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Time UTC | DSCOVR | ACE | ||||
---|---|---|---|---|---|---|
Solar Wind | GSM | Solar Wind | GSM | |||
Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
14:18 | - | - | - | - | - | - |
14:17 | - | - | - | - | - | - |
14:16 | - | - | - | - | - | - |
14:15 | - | - | 0.19 | - | - | - |
14:14 | 11.80 | 530.5 | 0.70 | - | - | - |
14:13 | 11.77 | 530.1 | 0.73 | - | - | - |
14:12 | 11.62 | 527.9 | 0.62 | - | - | - |
14:11 | 9.31 | 516.7 | 0.83 | - | - | - |
14:10 | 11.49 | 526.1 | 1.06 | - | - | - |
14:09 | 11.69 | 530.8 | 1.04 | - | - | - |
14:08 | 8.63 | 507.1 | 0.74 | - | - | - |
14:07 | 8.32 | 502.6 | 1.04 | - | - | - |
14:06 | 7.46 | 503.4 | 1.33 | - | - | - |
14:05 | 8.08 | 501.1 | 1.04 | - | - | - |
14:04 | 8.01 | 502.8 | 0.71 | - | - | - |
14:03 | 6.46 | 505.2 | 1.40 | - | - | - |
14:02 | 5.82 | 510.6 | 1.78 | - | - | - |
14:01 | 8.27 | 505.3 | 2.28 | - | - | - |
14:00 | 7.93 | 503.5 | 1.88 | - | - | - |
13:59 | 7.73 | 503.0 | 1.01 | - | - | - |
13:58 | 7.75 | 504.8 | 0.29 | - | - | - |
13:57 | 9.03 | 504.0 | 0.32 | - | - | - |
13:56 | 7.97 | 502.5 | -0.07 | - | - | - |
13:55 | 9.53 | 505.8 | -0.65 | - | - | - |
13:54 | 7.91 | 504.1 | -0.77 | - | - | - |
13:53 | 9.15 | 504.7 | -0.57 | - | - | - |
13:52 | 8.56 | 504.0 | -0.58 | - | - | - |
13:51 | 8.76 | 504.7 | 0.61 | - | - | - |
13:50 | 8.58 | 507.1 | 1.00 | - | - | - |
13:49 | 8.77 | 503.8 | 1.29 | - | - | - |
13:48 | 7.84 | 505.1 | 1.55 | - | - | - |
13:47 | 9.03 | 504.3 | 1.94 | - | - | - |
13:46 | 7.97 | 504.0 | 1.67 | - | - | - |
13:45 | 8.90 | 504.9 | 1.25 | - | - | - |
13:44 | 8.43 | 503.6 | 0.93 | - | - | - |
13:43 | 8.97 | 503.8 | 0.33 | - | - | - |
13:42 | 8.68 | 504.2 | 0.75 | - | - | - |
13:41 | 8.10 | 504.9 | 0.95 | - | - | - |
13:40 | 7.58 | 504.4 | -1.45 | - | - | - |
13:39 | 9.03 | 504.3 | 0.39 | - | - | - |
13:38 | 8.35 | 503.5 | 1.01 | - | - | - |
13:37 | 9.40 | 504.3 | 0.67 | - | - | - |
13:36 | 8.26 | 503.9 | 1.74 | - | - | - |
13:35 | 8.72 | 503.9 | 2.43 | - | - | - |
13:34 | 7.58 | 503.8 | 2.41 | - | - | - |
13:33 | 8.90 | 503.1 | 0.96 | - | - | - |
13:32 | 8.71 | 504.9 | 0.60 | - | - | - |
13:31 | 8.73 | 503.1 | 0.72 | - | - | - |
13:30 | 8.17 | 504.8 | 0.01 | - | - | - |
13:29 | 9.77 | 513.6 | 1.82 | - | - | - |
13:28 | 11.87 | 532.7 | 2.30 | - | - | - |
13:27 | 9.65 | 514.0 | 1.79 | - | - | - |
13:26 | 7.71 | 505.2 | 1.06 | - | - | - |
13:25 | 9.57 | 508.3 | 0.67 | - | - | - |
13:24 | 9.32 | 506.3 | 0.46 | - | - | - |
13:23 | 7.73 | 500.2 | 0.15 | - | - | - |
13:22 | 8.87 | 504.3 | -0.24 | - | - | - |
13:21 | 8.08 | 505.6 | -0.32 | - | - | - |
13:20 | 9.56 | 507.3 | -0.16 | - | - | - |
13:19 | 11.30 | 529.4 | -0.23 | - | - | - |
13:18 | 9.84 | 512.4 | 0.36 | - | - | - |
13:17 | 9.01 | 504.5 | -0.07 | - | - | - |
13:16 | 9.92 | 509.3 | 0.09 | - | - | - |
13:15 | 11.39 | 529.9 | -0.61 | - | - | - |
13:14 | 8.07 | 504.2 | -0.81 | - | - | - |
13:13 | 8.75 | 508.1 | -1.62 | - | - | - |
13:12 | 9.58 | 516.3 | -0.73 | - | - | - |
13:11 | 11.00 | 518.2 | 0.16 | - | - | - |
13:10 | 9.56 | 508.9 | -0.33 | - | - | - |
13:09 | 11.34 | 529.5 | -0.17 | - | - | - |
13:08 | 10.03 | 523.9 | 0.39 | - | - | - |
13:07 | 11.47 | 532.3 | 1.42 | - | - | - |
13:06 | 11.61 | 529.9 | 2.22 | - | - | - |
13:05 | 8.61 | 519.8 | 2.26 | - | - | - |
13:04 | 10.91 | 532.8 | 0.41 | - | - | - |
13:03 | 12.44 | 545.0 | -3.16 | - | - | - |
13:02 | 12.32 | 550.7 | -2.81 | - | - | - |
13:01 | 11.72 | 544.7 | -1.95 | - | - | - |
13:00 | 12.14 | 545.6 | -0.39 | - | - | - |
12:59 | 11.85 | 552.5 | 1.16 | - | - | - |
12:58 | 11.86 | 538.8 | 2.48 | - | - | - |
12:57 | 12.12 | 543.5 | 3.62 | - | - | - |
12:56 | 11.81 | 551.4 | 3.99 | - | - | - |
12:55 | 11.88 | 538.1 | 4.86 | - | - | - |
12:54 | 11.96 | 546.9 | 4.89 | - | - | - |
12:53 | 11.54 | 527.1 | 4.97 | - | - | - |
12:52 | 11.83 | 525.8 | 4.74 | - | - | - |
12:51 | 12.01 | 526.1 | 5.16 | - | - | - |
12:50 | 11.80 | 527.6 | 4.81 | - | - | - |
12:49 | 12.01 | 527.6 | 4.40 | - | - | - |
12:48 | 11.75 | 529.8 | 5.16 | - | - | - |
12:47 | 11.67 | 529.1 | 3.25 | - | - | - |
12:46 | 9.78 | 512.9 | 2.73 | - | - | - |
12:45 | 11.21 | 532.5 | 2.34 | - | - | - |
12:44 | 11.85 | 531.3 | 0.83 | - | - | - |
12:43 | 11.73 | 523.9 | 2.09 | - | - | - |
12:42 | 11.84 | 525.2 | 2.67 | - | - | - |
12:41 | 9.94 | 526.3 | 0.34 | - | - | - |
12:40 | 10.03 | 531.7 | -0.65 | - | - | - |
12:39 | 8.20 | 517.1 | -0.30 | - | - | - |
12:38 | 7.55 | 507.7 | 0.90 | - | - | - |
12:37 | 10.31 | 514.2 | 0.36 | - | - | - |
12:36 | 7.43 | 510.2 | 0.75 | - | - | - |
12:35 | 7.27 | 513.3 | 0.58 | - | - | - |
12:34 | 11.50 | 531.5 | 1.29 | - | - | - |
12:33 | 9.49 | 508.6 | 1.54 | - | - | - |
12:32 | 9.54 | 507.6 | 1.13 | - | - | - |
12:31 | 10.41 | 515.4 | 0.57 | - | - | - |
12:30 | 11.85 | 522.4 | 0.19 | - | - | - |
12:29 | 12.07 | 526.2 | -0.14 | - | - | - |
12:28 | 11.85 | 529.6 | -0.46 | - | - | - |
12:27 | 9.60 | 516.7 | 0.48 | - | - | - |
12:26 | 12.10 | 530.5 | 0.36 | - | - | - |
12:25 | 9.37 | 517.6 | 0.11 | - | - | - |
12:24 | 9.09 | 508.2 | 0.24 | - | - | - |
12:23 | 9.07 | 506.7 | -0.25 | - | - | - |
12:22 | 11.07 | 521.5 | 0.01 | - | - | - |
12:21 | 12.20 | 525.3 | 1.85 | - | - | - |
12:20 | 12.04 | 525.6 | 1.00 | - | - | - |
12:19 | 11.94 | 531.3 | 1.16 | - | - | - |
Built 2023-03-25 14:19 from source
Solar wind parameters of the latest hour by NOAA | |||
---|---|---|---|
parameter | min | max | mean |
IMF Bz [nT] | -1.6 | 2.4 | 0.7 |
velocity [km/s] | 500.2 | 532.7 | 507.6 |
density [cm-3] | 5.8 | 11.9 | 8.8 |
Geomagnetic activity (RX [nT]) | ||
---|---|---|
site | latest hour | next hour (RXmin, RXmax) |
Kevo (KEV) | 98 | 9 | 120 |
Maasi (MAS) | 93 | 10 | 124 |
Kilpisjärvi (KIL) | 81 | 10 | 119 |
Ivalo (IVA) | 76 | 8 | 94 |
Muonio (MUO) | 58 | 9 | 108 |
Sodankylä (SOD) | 52 | 8 | 99 |
Pello (PEL) | 49 | 7 | 92 |
Oulujärvi (OUJ) | 35 | 6 | 67 |
Mekrijärvi (MEK) | 18 | 4 | 38 |
Hankasalmi (HAN) | 18 | 4 | 47 |
Nurmijärvi (NUR) | 20 | 5 | 44 |
Tartu (TAR) | 18 | 3 | 34 |
low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2023-03-25 14:17 from source
Issue Time: 2023-03-25 11:01 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4324
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-25 21:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4324
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-25 21:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-24 20:05 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 20:04 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 20:04 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 17:19 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1759
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-25 06:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1759
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-25 06:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 17:18 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4323
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-25 12:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4323
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-25 12:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-24 09:01 UTC
EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 90
Valid From: 2023-03-23 22:50 UTC
Now Valid Until: 2023-03-24 12:00 UTC
Warning Condition: Persistence
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 90
Valid From: 2023-03-23 22:50 UTC
Now Valid Until: 2023-03-24 12:00 UTC
Warning Condition: Persistence
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-24 09:01 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 08:59 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 08:59 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-24 09:01 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 477
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 18:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 477
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 18:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-24 09:01 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1758
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 18:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1758
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 18:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 09:01 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4322
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-24 23:59 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4322
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-24 23:59 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-24 06:50 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 06:44 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 06:44 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-24 06:24 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 06:17 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 06:17 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 04:16 UTC
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2023-03-24 04:04 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Induced Currents - Possible widespread voltage control problems and some protective systems may mistakenly trip out key assets from the power grid. Induced pipeline currents intensify.
Spacecraft - Systems may experience surface charging; increased drag on low earth orbit satellites, and tracking and orientation problems may occur.
Navigation - Satellite navigation (GPS) degraded or inoperable for hours.
Radio - HF (high frequency) radio propagation sporadic or blacked out.
Aurora - Aurora may be seen as low as Alabama and northern California.
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2023-03-24 04:04 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Induced Currents - Possible widespread voltage control problems and some protective systems may mistakenly trip out key assets from the power grid. Induced pipeline currents intensify.
Spacecraft - Systems may experience surface charging; increased drag on low earth orbit satellites, and tracking and orientation problems may occur.
Navigation - Satellite navigation (GPS) degraded or inoperable for hours.
Radio - HF (high frequency) radio propagation sporadic or blacked out.
Aurora - Aurora may be seen as low as Alabama and northern California.
Issue Time: 2023-03-24 03:44 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 03:39 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 03:39 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-24 03:29 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 03:23 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 03:23 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-24 03:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 03:17 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 03:17 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 02:00 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 476
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 12:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 476
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 12:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-24 02:00 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1757
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 15:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1757
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 15:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-24 02:00 UTC
EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 89
Valid From: 2023-03-23 22:50 UTC
Now Valid Until: 2023-03-24 09:00 UTC
Warning Condition: Persistence
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 89
Valid From: 2023-03-23 22:50 UTC
Now Valid Until: 2023-03-24 09:00 UTC
Warning Condition: Persistence
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-24 01:57 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 01:55 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-24 01:55 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-24 00:27 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 00:25 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-24 00:25 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-24 00:15 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 00:14 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-24 00:14 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 23:55 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 23:54 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 23:54 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-23 22:51 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2023-03-23 22:50 UTC
Valid To: 2023-03-24 03:00 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2023-03-23 22:50 UTC
Valid To: 2023-03-24 03:00 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-23 21:48 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 21:46 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 21:46 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-23 21:36 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 21:33 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 21:33 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 21:22 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Mar 24: G2 (Moderate) Mar 25: G1 (Minor) Mar 26: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Mar 24: G2 (Moderate) Mar 25: G1 (Minor) Mar 26: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 20:06 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4321
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-24 15:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4321
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-24 15:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-23 19:50 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 475
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 03:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 475
Valid From: 2023-03-23 14:20 UTC
Now Valid Until: 2023-03-24 03:00 UTC
Warning Condition: Persistence
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-23 19:46 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 19:42 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 19:42 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-23 17:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 17:22 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 17:22 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 15:31 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 14:49 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Comment: This alert is a correction. G3 conditions were first observed at 1449 UTC and not 1446 UTC as previously alerted on 23 Mar 2023 at 1450 UTC. This alert supercedes all previous G3 alerts.
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 14:49 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Comment: This alert is a correction. G3 conditions were first observed at 1449 UTC and not 1446 UTC as previously alerted on 23 Mar 2023 at 1450 UTC. This alert supercedes all previous G3 alerts.
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-23 14:50 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 14:46 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023-03-23 14:46 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-23 14:47 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2023-03-23 14:47 UTC
Valid To: 2023-03-23 18:00 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2023-03-23 14:47 UTC
Valid To: 2023-03-23 18:00 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Issue Time: 2023-03-23 14:26 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 14:23 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023-03-23 14:23 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-23 14:21 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1756
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 06:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1756
Valid From: 2023-03-23 09:05 UTC
Now Valid Until: 2023-03-24 06:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 14:20 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2023-03-23 14:20 UTC
Valid To: 2023-03-23 21:00 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2023-03-23 14:20 UTC
Valid To: 2023-03-23 21:00 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Issue Time: 2023-03-23 12:36 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 12:34 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023-03-23 12:34 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 09:05 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2023-03-23 09:05 UTC
Valid To: 2023-03-23 15:00 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2023-03-23 09:05 UTC
Valid To: 2023-03-23 15:00 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Issue Time: 2023-03-23 09:05 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4320
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-23 21:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4320
Valid From: 2023-03-23 08:27 UTC
Now Valid Until: 2023-03-23 21:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-23 08:36 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2023-03-23 08:36 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2023-03-23 08:36 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-23 08:28 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2023-03-23 08:27 UTC
Valid To: 2023-03-23 15:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2023-03-23 08:27 UTC
Valid To: 2023-03-23 15:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2023-03-22 16:53 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Mar 23: G1 (Minor) Mar 24: G2 (Moderate) Mar 25: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Mar 23: G1 (Minor) Mar 24: G2 (Moderate) Mar 25: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Built 2023-03-25 12:48 from source