SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 03:17 | - | - | - | - | - | - |
| 03:16 | - | - | - | - | - | - |
| 03:15 | - | - | - | - | - | 3.0 |
| 03:14 | 8.16 | 542.3 | 2.96 | 2.3 | 542.2 | 3.7 |
| 03:13 | 8.09 | 545.8 | 2.93 | 2.2 | 533.4 | 3.6 |
| 03:12 | 8.20 | 543.9 | 3.10 | 2.1 | 533.1 | 2.6 |
| 03:11 | 8.15 | 544.1 | 3.26 | 2.1 | 532.3 | -0.5 |
| 03:10 | 8.17 | 546.6 | 3.81 | 2.0 | 527.0 | 0.5 |
| 03:09 | 8.19 | 548.4 | 3.98 | 2.4 | 535.1 | 0.3 |
| 03:08 | 8.16 | 546.2 | 3.83 | 2.3 | 532.6 | 1.7 |
| 03:07 | 8.19 | 545.3 | 3.41 | 2.4 | 531.3 | 1.9 |
| 03:06 | 7.98 | 540.6 | 2.39 | 2.4 | 534.3 | 2.5 |
| 03:05 | 8.19 | 544.0 | 2.90 | 2.1 | 535.8 | 1.6 |
| 03:04 | 8.18 | 550.0 | 3.38 | 2.1 | 534.8 | -0.2 |
| 03:03 | 7.63 | 539.6 | 2.18 | 2.1 | 535.9 | -0.8 |
| 03:02 | 7.85 | 538.8 | -0.12 | 2.1 | 537.2 | -1.1 |
| 03:01 | 7.98 | 539.3 | 0.71 | 2.2 | 539.1 | -0.6 |
| 03:00 | 8.04 | 542.2 | -0.45 | 2.2 | 536.6 | -2.3 |
| 02:59 | 8.07 | 541.3 | -0.04 | 2.1 | 531.7 | -0.3 |
| 02:58 | 7.11 | 533.0 | 0.00 | 2.1 | 530.2 | -0.3 |
| 02:57 | 7.38 | 535.8 | -0.22 | 2.2 | 529.0 | -0.4 |
| 02:56 | 6.82 | 528.5 | 0.27 | 2.2 | 529.1 | -0.8 |
| 02:55 | 6.46 | 525.6 | 0.31 | 2.3 | 531.8 | -1.6 |
| 02:54 | 6.85 | 528.3 | -0.51 | 1.6 | 535.7 | -2.0 |
| 02:53 | 7.19 | 529.9 | 0.28 | 1.7 | 539.1 | -2.7 |
| 02:52 | 7.07 | 528.8 | -1.48 | 1.8 | 541.7 | -3.3 |
| 02:51 | 7.30 | 534.4 | -2.46 | 1.7 | 550.5 | -3.6 |
| 02:50 | 7.83 | 536.3 | -2.32 | 1.7 | 543.9 | -3.4 |
| 02:49 | 7.03 | 530.7 | -2.04 | 1.7 | 537.9 | -3.2 |
| 02:48 | 7.03 | 528.0 | -2.38 | 1.6 | 533.4 | -2.3 |
| 02:47 | 7.02 | 529.4 | -2.74 | 1.6 | 532.7 | -2.9 |
| 02:46 | 6.93 | 528.8 | -2.73 | 1.7 | 529.2 | -3.0 |
| 02:45 | 6.84 | 526.0 | -2.77 | 2.0 | 525.1 | -2.1 |
| 02:44 | 6.82 | 527.0 | -2.48 | 2.0 | 524.3 | -2.0 |
| 02:43 | 6.91 | 527.0 | -1.96 | 1.9 | 521.3 | -2.0 |
| 02:42 | 7.06 | 524.0 | -2.27 | 2.2 | 517.9 | -1.6 |
| 02:41 | 7.18 | 523.8 | -2.65 | 2.3 | 517.7 | -1.3 |
| 02:40 | 7.06 | 526.2 | -2.27 | 2.2 | 518.0 | -1.0 |
| 02:39 | 6.96 | 526.9 | -1.95 | 2.1 | 516.1 | -0.7 |
| 02:38 | 6.95 | 527.1 | -1.25 | 1.7 | 522.0 | -0.6 |
| 02:37 | 7.00 | 528.1 | -1.48 | 2.1 | 519.6 | -0.4 |
| 02:36 | 7.11 | 527.0 | -1.43 | 2.1 | 521.2 | -0.2 |
| 02:35 | 7.31 | 522.4 | -0.84 | 2.5 | 509.5 | 0.0 |
| 02:34 | 7.15 | 519.1 | -0.35 | 2.3 | 525.7 | 2.6 |
| 02:33 | 7.51 | 528.0 | -0.15 | 2.3 | 534.0 | 4.5 |
| 02:32 | 7.34 | 530.4 | 1.35 | 2.2 | 531.9 | 4.4 |
| 02:31 | 6.94 | 528.4 | 2.98 | 2.3 | 522.3 | 4.4 |
| 02:30 | 8.00 | 530.7 | 4.04 | 2.5 | 511.3 | 3.3 |
| 02:29 | 7.41 | 525.3 | 4.43 | 2.7 | 506.2 | 2.6 |
| 02:28 | 7.38 | 527.1 | 4.47 | 2.3 | 522.2 | 4.4 |
| 02:27 | 7.66 | 531.5 | 4.00 | 2.3 | 518.6 | 4.6 |
| 02:26 | 8.11 | 534.2 | 4.61 | 2.3 | 510.2 | 2.1 |
| 02:25 | 7.91 | 531.1 | 4.13 | 2.4 | 510.7 | 2.0 |
| 02:24 | 7.28 | 525.2 | 2.44 | 2.3 | 516.7 | 2.5 |
| 02:23 | 7.06 | 525.0 | 1.12 | 2.3 | 513.0 | 2.9 |
| 02:22 | 6.90 | 527.0 | 1.38 | 2.1 | 512.7 | 2.1 |
| 02:21 | 7.15 | 524.4 | 3.77 | 2.4 | 507.9 | 0.6 |
| 02:20 | 7.05 | 521.1 | 4.28 | 2.6 | 510.6 | 0.1 |
| 02:19 | 7.22 | 516.6 | 3.38 | 2.5 | 510.2 | 0.5 |
| 02:18 | 7.28 | 519.3 | 1.51 | 2.2 | 509.1 | 0.8 |
| 02:17 | 7.10 | 522.1 | 1.06 | 2.5 | 508.1 | 0.4 |
| 02:16 | 7.16 | 520.7 | 1.49 | 2.3 | 507.1 | 0.3 |
| 02:15 | 7.27 | 520.4 | 1.37 | 2.2 | 506.2 | 2.9 |
| 02:14 | 7.20 | 520.2 | 1.81 | 2.3 | 503.6 | 2.9 |
| 02:13 | 7.13 | 520.6 | 1.81 | 2.3 | 504.9 | 2.3 |
| 02:12 | 7.16 | 522.1 | 1.81 | 2.3 | 508.2 | 1.7 |
| 02:11 | 7.18 | 519.5 | 1.36 | 2.4 | 506.8 | 2.2 |
| 02:10 | 7.23 | 521.1 | 1.21 | 2.3 | 508.1 | 2.5 |
| 02:09 | 7.33 | 520.5 | 0.94 | 2.1 | 508.2 | 2.4 |
| 02:08 | 6.95 | 514.2 | 1.11 | 2.4 | 505.4 | 2.8 |
| 02:07 | 6.98 | 517.4 | 0.93 | 2.2 | 510.5 | 2.9 |
| 02:06 | 7.23 | 514.9 | 0.72 | 2.4 | 532.1 | 0.6 |
| 02:05 | 7.03 | 510.9 | 1.29 | 2.3 | 527.8 | -0.8 |
| 02:04 | 6.97 | 510.8 | 1.61 | 2.4 | 532.0 | -0.9 |
| 02:03 | 7.18 | 509.0 | 1.77 | 2.4 | 527.2 | -0.7 |
| 02:02 | 7.04 | 506.4 | 1.91 | 2.3 | 523.9 | -0.3 |
| 02:01 | 7.24 | 506.4 | 1.04 | 2.3 | 525.0 | -0.5 |
| 02:00 | 7.50 | 507.4 | 0.11 | 2.4 | 528.0 | -0.8 |
| 01:59 | 7.34 | 513.4 | -1.02 | - | - | -1.1 |
| 01:58 | 7.17 | 521.5 | -2.29 | 2.4 | 528.7 | -1.5 |
| 01:57 | 7.16 | 521.5 | -1.85 | 2.6 | 528.6 | -2.2 |
| 01:56 | 6.93 | 520.9 | -0.85 | 2.8 | 527.3 | -2.6 |
| 01:55 | 7.38 | 514.7 | 0.92 | 2.7 | 514.5 | -1.8 |
| 01:54 | 7.40 | 511.8 | 1.27 | 2.7 | 513.8 | -0.4 |
| 01:53 | 7.49 | 514.2 | 0.62 | 2.8 | 509.8 | 0.7 |
| 01:52 | 7.89 | 512.4 | 0.41 | 2.7 | 502.6 | 1.5 |
| 01:51 | 7.51 | 513.7 | 0.41 | 2.7 | 511.4 | 0.9 |
| 01:50 | 7.58 | 514.9 | 0.78 | 2.6 | 506.7 | 2.4 |
| 01:49 | 7.58 | 511.9 | 1.06 | 2.5 | 506.8 | 1.8 |
| 01:48 | 7.43 | 511.6 | 1.09 | 2.9 | 497.6 | 1.4 |
| 01:47 | 7.45 | 511.2 | 1.27 | 2.8 | 504.5 | 0.4 |
| 01:46 | 7.50 | 511.8 | 1.16 | 2.4 | 505.4 | -0.5 |
| 01:45 | 7.55 | 511.9 | 1.01 | 2.5 | 505.2 | 0.1 |
| 01:44 | 7.48 | 514.0 | 0.76 | 2.7 | 504.8 | 0.6 |
| 01:43 | 7.32 | 516.1 | 0.55 | 2.8 | 509.2 | -0.3 |
| 01:42 | 7.61 | 517.0 | 1.61 | 2.6 | 511.5 | -1.7 |
| 01:41 | 7.31 | 515.3 | 0.50 | 2.6 | 508.5 | -1.2 |
| 01:40 | 7.22 | 517.3 | 0.17 | 2.5 | 508.9 | -0.4 |
| 01:39 | 7.17 | 520.0 | -0.55 | 2.2 | 511.1 | -1.0 |
| 01:38 | 7.39 | 518.7 | -1.41 | 2.5 | 504.9 | -2.1 |
| 01:37 | 7.67 | 521.8 | -1.52 | 2.6 | 504.3 | -1.7 |
| 01:36 | 7.36 | 521.3 | -1.40 | 2.7 | 507.4 | -2.1 |
| 01:35 | 7.44 | 522.8 | -0.70 | 2.7 | 504.6 | -1.8 |
| 01:34 | 7.44 | 521.5 | -0.46 | 2.9 | 502.6 | -1.2 |
| 01:33 | 7.48 | 520.4 | -2.54 | 2.8 | 500.1 | -1.5 |
| 01:32 | 7.09 | 518.8 | -1.40 | 2.9 | 501.8 | -1.7 |
| 01:31 | 7.37 | 517.5 | -1.90 | 3.2 | 498.0 | -2.0 |
| 01:30 | 7.60 | 517.9 | -1.65 | 3.0 | 500.2 | -2.0 |
| 01:29 | 7.11 | 516.7 | -1.54 | 2.8 | 501.4 | -1.8 |
| 01:28 | 7.27 | 513.7 | -1.56 | 2.8 | 501.6 | -1.4 |
| 01:27 | 7.11 | 516.2 | -0.76 | 2.8 | 501.2 | -1.5 |
| 01:26 | 7.46 | 514.2 | -3.57 | 2.6 | 499.0 | -3.4 |
| 01:25 | 7.31 | 510.7 | -2.48 | 2.7 | 500.3 | -3.3 |
| 01:24 | 7.11 | 514.9 | -2.32 | 3.0 | 504.3 | -2.9 |
| 01:23 | 7.21 | 516.9 | -2.69 | 3.1 | 503.9 | -2.7 |
| 01:22 | 7.36 | 515.0 | -3.69 | 2.4 | 501.3 | -2.2 |
| 01:21 | 7.30 | 514.8 | -3.62 | 2.5 | 500.9 | -1.5 |
| 01:20 | 7.22 | 516.6 | -3.62 | 2.9 | 499.4 | -3.6 |
| 01:19 | 7.15 | 513.4 | -2.45 | 2.8 | 499.3 | -2.5 |
| 01:18 | 7.09 | 510.8 | -1.16 | 2.7 | 501.5 | -2.2 |
Built 2021-09-25 03:18 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -2.8 | 4.6 | 0.8 |
| velocity [km/s] | 516.6 | 550.0 | 530.3 |
| density [cm-3] | 6.5 | 8.2 | 7.4 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 43 | 8 | 221 |
| Maasi (MAS) | 45 | 8 | 220 |
| Kilpisjärvi (KIL) | 50 | 7 | 223 |
| Ivalo (IVA) | 27 | 5 | 201 |
| Muonio (MUO) | 25 | 5 | 163 |
| Sodankylä (SOD) | 20 | 5 | 143 |
| Pello (PEL) | 19 | 5 | 137 |
| Oulujärvi (OUJ) | 12 | 4 | 65 |
| Mekrijärvi (MEK) | 7 | 2 | 26 |
| Hankasalmi (HAN) | 7 | 3 | 32 |
| Nurmijärvi (NUR) | 8 | 3 | 28 |
| Tartu (TAR) | - | 2 | 20 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2021-09-25 03:17 from source
Issue Time: 2021-09-23 17:08 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 24: None (Below G1) Sep 25: None (Below G1) Sep 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
Sep 24: None (Below G1) Sep 25: None (Below G1) Sep 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: 2021-09-23 08:12 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-09-23 08:12 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: 2021-09-23 08:12 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: 2021-09-23 08:10 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-09-23 08:05 UTC
Valid To: 2021-09-23 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: 2021-09-23 08:05 UTC
Valid To: 2021-09-23 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: 2021-09-23 05:21 UTC
ALERT: Type IV Radio Emission
Begin Time: 2021-09-23 04:54 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
ALERT: Type IV Radio Emission
Begin Time: 2021-09-23 04:54 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
Issue Time: 2021-09-23 05:10 UTC
ALERT: Type II Radio Emission
Begin Time: 2021-09-23 04:44 UTC
Estimated Velocity: 966 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
ALERT: Type II Radio Emission
Begin Time: 2021-09-23 04:44 UTC
Estimated Velocity: 966 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Issue Time: 2021-09-22 08:43 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021-09-22 08:40 UTC
Valid To: 2021-09-22 12:00 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: 2021-09-22 08:40 UTC
Valid To: 2021-09-22 12:00 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: 2021-09-22 08:28 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3934
Valid From: 2021-09-21 22:23 UTC
Now Valid Until: 2021-09-22 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.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3934
Valid From: 2021-09-21 22:23 UTC
Now Valid Until: 2021-09-22 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: 2021-09-22 02:59 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-09-22 02:59 UTC
Synoptic Period: 0000-0300 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: 2021-09-22 02:59 UTC
Synoptic Period: 0000-0300 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: 2021-09-21 22:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-09-21 22:23 UTC
Valid To: 2021-09-22 09:00 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: 2021-09-21 22:23 UTC
Valid To: 2021-09-22 09:00 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.
Built 2021-09-23 17:10 from source
