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| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 10:50 | - | - | - | - | - | - |
| 10:49 | - | - | - | - | - | - |
| 10:48 | - | - | - | - | - | - |
| 10:47 | 1.22 | 381.8 | 0.10 | - | - | - |
| 10:46 | 1.24 | 381.9 | - | - | - | - |
| 10:45 | - | - | - | - | - | - |
| 10:44 | - | - | - | - | - | - |
| 10:43 | - | - | - | - | - | - |
| 10:42 | 1.53 | 383.5 | - | - | - | - |
| 10:41 | 1.78 | 395.5 | 0.35 | 1.8 | 395.5 | 0.3 |
| 10:40 | 2.27 | 419.4 | 0.45 | 2.3 | 419.4 | 0.4 |
| 10:39 | 1.41 | 382.8 | 0.41 | 1.4 | 382.8 | 0.4 |
| 10:38 | 1.20 | 382.2 | 0.48 | 1.2 | 382.2 | 0.5 |
| 10:37 | 1.20 | 382.2 | 0.44 | 1.2 | 382.2 | 0.4 |
| 10:36 | 1.39 | 382.6 | 0.56 | 1.4 | 382.6 | 0.6 |
| 10:35 | 1.51 | 384.5 | 0.81 | 1.5 | 384.5 | 0.8 |
| 10:34 | 1.60 | 384.0 | 0.88 | 1.6 | 384.0 | 0.9 |
| 10:33 | 1.61 | 385.1 | 0.86 | 1.6 | 385.1 | 0.9 |
| 10:32 | 1.41 | 384.4 | 0.84 | 1.4 | 384.4 | 0.8 |
| 10:31 | 1.28 | 383.9 | 0.52 | 1.3 | 383.9 | 0.5 |
| 10:30 | 1.26 | 383.3 | 0.53 | 1.3 | 383.3 | 0.5 |
| 10:29 | 1.17 | 383.2 | 0.30 | 1.2 | 383.2 | 0.3 |
| 10:28 | 1.17 | 382.9 | 0.17 | 1.2 | 382.9 | 0.2 |
| 10:27 | 1.24 | 383.2 | 0.29 | 1.2 | 383.2 | 0.3 |
| 10:26 | 1.17 | 383.8 | 0.35 | 1.2 | 383.8 | 0.3 |
| 10:25 | 1.19 | 382.5 | 0.31 | 1.2 | 382.5 | 0.3 |
| 10:24 | 1.26 | 382.9 | 0.18 | 1.3 | 382.9 | 0.2 |
| 10:23 | 1.24 | 383.4 | 0.11 | 1.2 | 383.4 | 0.1 |
| 10:22 | 1.27 | 384.7 | 0.24 | 1.3 | 384.7 | 0.2 |
| 10:21 | 1.21 | 384.3 | 0.24 | 1.2 | 384.3 | 0.2 |
| 10:20 | 1.21 | 385.1 | 0.26 | 1.2 | 385.1 | 0.3 |
| 10:19 | 1.23 | 384.3 | 0.21 | 1.2 | 384.3 | 0.2 |
| 10:18 | 1.29 | 383.4 | 0.13 | 1.3 | 383.4 | 0.1 |
| 10:17 | 1.05 | 385.2 | 0.03 | 1.0 | 385.2 | 0.0 |
| 10:16 | 1.14 | 384.3 | 0.06 | 1.1 | 384.3 | 0.1 |
| 10:15 | 1.26 | 384.1 | -0.04 | 1.3 | 384.1 | -0.0 |
| 10:14 | 1.26 | 384.5 | -0.05 | 1.3 | 384.5 | -0.1 |
| 10:13 | 1.25 | 384.6 | -0.13 | 1.3 | 384.6 | -0.1 |
| 10:12 | 1.25 | 383.9 | -0.26 | 1.3 | 383.9 | -0.3 |
| 10:11 | 1.22 | 383.5 | -0.18 | 1.2 | 383.5 | -0.2 |
| 10:10 | 1.15 | 383.7 | -0.18 | 1.2 | 383.7 | -0.2 |
| 10:09 | 1.10 | 383.3 | -0.15 | 1.1 | 383.3 | -0.2 |
| 10:08 | 1.15 | 384.5 | -0.31 | 1.1 | 384.5 | -0.3 |
| 10:07 | 1.13 | 385.3 | -0.03 | 1.1 | 385.3 | -0.0 |
| 10:06 | 1.17 | 386.0 | -0.23 | 1.2 | 386.0 | -0.2 |
| 10:05 | - | - | -0.54 | - | - | -0.5 |
| 10:04 | 1.10 | 385.0 | -0.37 | 1.1 | 385.0 | -0.4 |
| 10:03 | 1.19 | 383.9 | -0.50 | 1.2 | 383.9 | -0.5 |
| 10:02 | 1.11 | 384.4 | -0.47 | 1.1 | 384.4 | -0.5 |
| 10:01 | 1.10 | 384.5 | -0.59 | 1.1 | 384.5 | -0.6 |
| 10:00 | - | - | - | - | - | - |
| 09:59 | - | - | - | - | - | - |
| 09:58 | 1.06 | 381.9 | -0.49 | 1.1 | 381.9 | -0.5 |
| 09:57 | 0.97 | 383.7 | -0.39 | 1.0 | 383.7 | -0.4 |
| 09:56 | 1.01 | 388.8 | -0.53 | 1.0 | 388.8 | -0.5 |
| 09:55 | 1.02 | 387.0 | -0.49 | 1.0 | 387.0 | -0.5 |
| 09:54 | 0.95 | 380.3 | 0.42 | 1.0 | 380.3 | 0.4 |
| 09:53 | 1.12 | 385.4 | 0.27 | 1.1 | 385.4 | 0.3 |
| 09:52 | 1.23 | 384.9 | 0.33 | 1.2 | 384.9 | 0.3 |
| 09:51 | 0.97 | 383.2 | 0.55 | 1.0 | 383.2 | 0.6 |
| 09:50 | 0.98 | 383.1 | 0.60 | 1.0 | 383.1 | 0.6 |
| 09:49 | 0.99 | 385.6 | 0.42 | 1.0 | 385.6 | 0.4 |
| 09:48 | 1.25 | 391.7 | 0.53 | 1.3 | 391.7 | 0.5 |
| 09:47 | 0.61 | 376.6 | 0.17 | 0.6 | 376.6 | 0.2 |
| 09:46 | 0.96 | 384.7 | 0.51 | 1.0 | 384.7 | 0.5 |
| 09:45 | 1.17 | 387.8 | 0.57 | 1.2 | 387.8 | 0.6 |
| 09:44 | 1.09 | 386.6 | 0.67 | 1.1 | 386.6 | 0.7 |
| 09:43 | 0.89 | 381.5 | 0.17 | 0.9 | 381.5 | 0.2 |
| 09:42 | 0.97 | 384.1 | -0.65 | 1.0 | 384.1 | -0.6 |
| 09:41 | 1.14 | 388.6 | -0.70 | 1.1 | 388.6 | -0.7 |
| 09:40 | 0.88 | 382.0 | -0.73 | 0.9 | 382.0 | -0.7 |
| 09:39 | 0.85 | 381.1 | -0.71 | 0.9 | 381.1 | -0.7 |
| 09:38 | 1.22 | 390.0 | -0.75 | 1.2 | 390.0 | -0.8 |
| 09:37 | 1.08 | 385.2 | -0.88 | 1.1 | 385.2 | -0.9 |
| 09:36 | 1.16 | 386.5 | -0.88 | 1.2 | 386.5 | -0.9 |
| 09:35 | 0.81 | 378.3 | -0.63 | 0.8 | 378.3 | -0.6 |
| 09:34 | 1.35 | 392.2 | -0.17 | 1.3 | 392.2 | -0.2 |
| 09:33 | 1.08 | 381.9 | -0.74 | 1.1 | 381.9 | -0.7 |
| 09:32 | - | - | -0.57 | - | - | -0.6 |
| 09:31 | 0.99 | 380.8 | 0.25 | 1.0 | 380.8 | 0.2 |
| 09:30 | 1.16 | 388.9 | -0.28 | 1.2 | 388.9 | -0.3 |
| 09:29 | 1.10 | 387.2 | -0.01 | 1.1 | 387.2 | -0.0 |
| 09:28 | 0.76 | 380.8 | 0.62 | 0.8 | 380.8 | 0.6 |
| 09:27 | 0.82 | 384.1 | 0.77 | 0.8 | 384.1 | 0.8 |
| 09:26 | 0.98 | 387.2 | 0.65 | 1.0 | 387.2 | 0.7 |
| 09:25 | 1.05 | 386.8 | 0.32 | 1.1 | 386.8 | 0.3 |
| 09:24 | 0.86 | 382.9 | 0.42 | 0.9 | 382.9 | 0.4 |
| 09:23 | 0.72 | 381.8 | 0.42 | 0.7 | 381.8 | 0.4 |
| 09:22 | 0.88 | 385.5 | 0.24 | 0.9 | 385.5 | 0.2 |
| 09:21 | 0.75 | 382.3 | 0.15 | 0.7 | 382.3 | 0.1 |
| 09:20 | 0.58 | 376.8 | 0.20 | 0.6 | 376.8 | 0.2 |
| 09:19 | 1.03 | 386.8 | 0.16 | 1.0 | 386.8 | 0.2 |
| 09:18 | 1.33 | 385.8 | 0.05 | 1.3 | 385.8 | 0.0 |
| 09:17 | 1.25 | 385.2 | 0.01 | 1.3 | 385.2 | 0.0 |
| 09:16 | 0.66 | 374.5 | -0.09 | 0.7 | 374.5 | -0.1 |
| 09:15 | 1.24 | 386.3 | -0.19 | 1.2 | 386.3 | -0.2 |
| 09:14 | 1.43 | 387.2 | -0.27 | 1.4 | 387.2 | -0.3 |
| 09:13 | 1.32 | 386.5 | -0.30 | 1.3 | 386.5 | -0.3 |
| 09:12 | 1.25 | 383.8 | -0.35 | 1.3 | 383.8 | -0.3 |
| 09:11 | 1.36 | 386.0 | -0.36 | 1.4 | 386.0 | -0.4 |
| 09:10 | 1.59 | 389.8 | -0.26 | 1.6 | 389.8 | -0.3 |
| 09:09 | 1.18 | 382.9 | -0.27 | 1.2 | 382.9 | -0.3 |
| 09:08 | 1.08 | 382.3 | -0.34 | 1.1 | 382.3 | -0.3 |
| 09:07 | 1.40 | 387.7 | -0.49 | 1.4 | 387.7 | -0.5 |
| 09:06 | 1.30 | 384.6 | -0.50 | 1.3 | 384.6 | -0.5 |
| 09:05 | 1.15 | 382.7 | -0.46 | 1.2 | 382.7 | -0.5 |
| 09:04 | 0.78 | 377.3 | -0.75 | 0.8 | 377.3 | -0.7 |
| 09:03 | 1.22 | 386.8 | -0.73 | 1.2 | 386.8 | -0.7 |
| 09:02 | 1.16 | 388.7 | -0.74 | 1.2 | 388.7 | -0.7 |
| 09:01 | 1.19 | 385.7 | -0.81 | 1.2 | 385.7 | -0.8 |
| 09:00 | 1.28 | 385.6 | -0.88 | 1.3 | 385.6 | -0.9 |
| 08:59 | 1.28 | 385.6 | -1.00 | 1.3 | 385.6 | -1.0 |
| 08:58 | 1.54 | 391.6 | -0.74 | 1.5 | 391.6 | -0.7 |
| 08:57 | 1.27 | 387.0 | -0.97 | 1.3 | 387.0 | -1.0 |
| 08:56 | 1.27 | 391.5 | -0.83 | 1.3 | 391.5 | -0.8 |
| 08:55 | 1.22 | 387.2 | -1.06 | 1.2 | 387.2 | -1.1 |
| 08:54 | 1.34 | 387.4 | -1.37 | 1.3 | 387.4 | -1.4 |
| 08:53 | 1.18 | 384.1 | -1.14 | 1.2 | 384.1 | -1.1 |
| 08:52 | 1.06 | 382.1 | -0.88 | 1.1 | 382.1 | -0.9 |
| 08:51 | 1.32 | 387.8 | -0.87 | 1.3 | 387.8 | -0.9 |
Built 2025-07-10 10:51 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -0.7 | 0.9 | 0.1 |
| velocity [km/s] | 376.6 | 419.4 | 384.8 |
| density [cm-3] | 0.6 | 2.3 | 1.2 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 14 | 5 | 63 |
| Maasi (MAS) | 14 | 5 | 61 |
| Kilpisjärvi (KIL) | 12 | 5 | 59 |
| Ivalo (IVA) | 13 | 5 | 52 |
| Muonio (MUO) | 9 | 5 | 52 |
| Sodankylä (SOD) | 8 | 5 | 50 |
| Pello (PEL) | 8 | 5 | 46 |
| Oulujärvi (OUJ) | 7 | 4 | 38 |
| Mekrijärvi (MEK) | 6 | 3 | 22 |
| Hankasalmi (HAN) | 7 | 3 | 28 |
| Nurmijärvi (NUR) | 5 | 3 | 28 |
| Tartu (TAR) | 4 | 3 | 20 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-07-10 10:47 from source
Issue Time: 2025-07-09 14:33 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-07-09 14:25 UTC
Station: GOES-19
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-07-09 14:25 UTC
Station: GOES-19
Issue Time: 2025-07-08 06:03 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-07-08 05:59 UTC
Synoptic Period: 0300-0600 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: 2025-07-08 05:59 UTC
Synoptic Period: 0300-0600 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: 2025-07-08 05:43 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5026
Valid From: 2025-07-07 23:21 UTC
Now Valid Until: 2025-07-08 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: 5026
Valid From: 2025-07-07 23:21 UTC
Now Valid Until: 2025-07-08 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: 2025-07-07 23:21 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-07-07 23:21 UTC
Valid To: 2025-07-08 06:00 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: 2025-07-07 23:21 UTC
Valid To: 2025-07-08 06:00 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: 2025-07-07 05:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5024
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 18:00 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: 5024
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 18:00 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: 2025-07-07 05:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2073
Valid From: 2025-07-06 23:20 UTC
Now Valid Until: 2025-07-07 12:00 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: 2073
Valid From: 2025-07-06 23:20 UTC
Now Valid Until: 2025-07-07 12:00 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: 2025-07-07 01:51 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2025-07-07 01:50 UTC
Valid To: 2025-07-07 06:00 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: 2025-07-07 01:50 UTC
Valid To: 2025-07-07 06:00 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: 2025-07-07 01:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-07 01:24 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: 2025-07-07 01:24 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: 2025-07-06 23:53 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-06 23:50 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: 2025-07-06 23:50 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: 2025-07-06 23:41 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5023
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 5023
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 2025-07-06 23:21 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-07-06 23:20 UTC
Valid To: 2025-07-07 06:00 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: 2025-07-06 23:20 UTC
Valid To: 2025-07-07 06:00 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.
Built 2025-07-09 14:36 from source
