SeadedLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 02:28 | - | - | - | - | - | - |
| 02:27 | - | - | - | - | - | - |
| 02:26 | - | - | - | - | - | - |
| 02:25 | - | - | - | - | - | - |
| 02:24 | - | - | - | - | - | - |
| 02:23 | - | - | - | - | - | - |
| 02:22 | - | - | - | - | - | - |
| 02:21 | - | - | - | - | - | - |
| 02:20 | - | - | - | - | - | - |
| 02:19 | - | - | - | - | - | - |
| 02:18 | - | - | - | - | - | - |
| 02:17 | - | - | - | - | - | - |
| 02:16 | - | - | - | - | - | - |
| 02:15 | - | - | - | - | - | - |
| 02:14 | - | - | - | - | - | - |
| 02:13 | - | - | - | - | - | - |
| 02:12 | - | - | - | - | - | - |
| 02:11 | - | - | - | - | - | - |
| 02:10 | - | - | - | - | - | - |
| 02:09 | - | - | - | - | - | - |
| 02:08 | - | - | - | - | - | - |
| 02:07 | - | - | - | - | - | - |
| 02:06 | - | - | - | - | - | - |
| 02:05 | - | - | - | - | - | - |
| 02:04 | - | - | - | - | - | - |
| 02:03 | - | - | - | - | - | - |
| 02:02 | - | - | - | - | - | - |
| 02:01 | - | - | - | - | - | - |
| 02:00 | - | - | - | - | - | - |
| 01:59 | - | - | - | - | - | - |
| 01:58 | - | - | - | - | - | - |
| 01:57 | - | - | - | - | - | - |
| 01:56 | - | - | - | - | - | - |
| 01:55 | - | - | - | - | - | - |
| 01:54 | - | - | - | - | - | - |
| 01:53 | - | - | - | - | - | - |
| 01:52 | - | - | - | - | - | - |
| 01:51 | - | - | - | - | - | - |
| 01:50 | - | - | - | - | - | - |
| 01:49 | - | - | - | - | - | - |
| 01:48 | - | - | - | - | - | - |
| 01:47 | - | - | - | - | - | - |
| 01:46 | - | - | - | - | - | -1.3 |
| 01:45 | - | - | - | - | - | -1.3 |
| 01:44 | - | - | - | - | - | - |
| 01:43 | - | - | - | - | - | - |
| 01:42 | - | - | - | - | - | - |
| 01:41 | - | - | - | - | - | -1.0 |
| 01:40 | - | - | - | - | - | - |
| 01:39 | - | - | - | - | - | - |
| 01:38 | - | - | - | - | - | - |
| 01:37 | - | - | - | - | - | - |
| 01:36 | - | - | - | - | - | -0.7 |
| 01:35 | - | - | - | 2.7 | 594.1 | -0.3 |
| 01:34 | - | - | - | - | - | -1.1 |
| 01:33 | - | - | - | - | - | -0.8 |
| 01:32 | - | - | - | 1.5 | 595.3 | -0.9 |
| 01:31 | - | - | - | 1.5 | 595.3 | -0.7 |
| 01:30 | - | - | -0.23 | - | - | -0.2 |
| 01:29 | - | - | -0.57 | 1.5 | 624.6 | -0.6 |
| 01:28 | 1.53 | 624.6 | -0.71 | 1.5 | 624.6 | -0.7 |
| 01:27 | - | - | -0.64 | - | - | -0.6 |
| 01:26 | - | - | 0.14 | - | - | 0.1 |
| 01:25 | 5.16 | - | 0.16 | 5.2 | - | 0.2 |
| 01:24 | 5.16 | 609.6 | 0.09 | 5.2 | 609.6 | 0.1 |
| 01:23 | 5.16 | - | 0.00 | 5.2 | - | 0.0 |
| 01:22 | - | - | -0.74 | - | - | -0.7 |
| 01:21 | - | - | -1.06 | - | - | -1.1 |
| 01:20 | 1.61 | 613.2 | -0.93 | 1.6 | 613.2 | -0.9 |
| 01:19 | 1.61 | 613.2 | -0.75 | 1.6 | 613.2 | -0.8 |
| 01:18 | - | - | -1.06 | - | - | -1.1 |
| 01:17 | - | - | -1.04 | - | - | -1.0 |
| 01:16 | 1.69 | 600.4 | -0.97 | 1.7 | 600.4 | -1.0 |
| 01:15 | 1.69 | 600.4 | -0.97 | 1.7 | 600.4 | -1.0 |
| 01:14 | - | - | -0.96 | - | - | -1.0 |
| 01:13 | 4.41 | 618.9 | -1.29 | 4.4 | 618.9 | -1.3 |
| 01:12 | 4.41 | 618.9 | -1.22 | 4.4 | 618.9 | -1.2 |
| 01:11 | - | - | -1.35 | - | - | -1.3 |
| 01:10 | - | - | -1.58 | - | - | -1.6 |
| 01:09 | 2.02 | - | -1.28 | 2.0 | - | -1.3 |
| 01:08 | 2.02 | 625.6 | -1.04 | 2.0 | 625.6 | -1.0 |
| 01:07 | 2.02 | - | -0.93 | 2.0 | - | -0.9 |
| 01:06 | - | - | -1.19 | - | - | -1.2 |
| 01:05 | - | - | -0.72 | - | - | -0.7 |
| 01:04 | 2.51 | 614.7 | -0.71 | 2.5 | 614.7 | -0.7 |
| 01:03 | 2.51 | 614.7 | -0.37 | 2.5 | 614.7 | -0.4 |
| 01:02 | - | - | -0.18 | - | - | -0.2 |
| 01:01 | - | - | -0.49 | - | - | -0.5 |
| 01:00 | 2.24 | 604.6 | -0.42 | 2.2 | 604.6 | -0.4 |
| 00:59 | 2.24 | 604.6 | -0.90 | 2.2 | 604.6 | -0.9 |
| 00:58 | - | - | -0.67 | - | - | -0.7 |
| 00:57 | - | - | -1.31 | - | - | -1.3 |
| 00:56 | - | - | -0.97 | - | - | -1.0 |
| 00:55 | - | - | -0.56 | - | - | -0.6 |
| 00:54 | - | - | 0.42 | - | - | 0.4 |
| 00:53 | 1.93 | - | 0.17 | 1.9 | - | 0.2 |
| 00:52 | 1.93 | 633.6 | 0.41 | 1.9 | 633.6 | 0.4 |
| 00:51 | 1.93 | - | 0.25 | 1.9 | - | 0.2 |
| 00:50 | - | - | 0.39 | - | - | 0.4 |
| 00:49 | - | - | 0.39 | - | - | 0.4 |
| 00:48 | 3.37 | 641.4 | 0.46 | 3.4 | 641.4 | 0.5 |
| 00:47 | 3.37 | 641.4 | 0.72 | 3.4 | 641.4 | 0.7 |
| 00:46 | - | - | 0.59 | - | - | 0.6 |
| 00:45 | - | - | -0.16 | - | - | -0.2 |
| 00:44 | 1.61 | 637.9 | -0.95 | 1.6 | 637.9 | -0.9 |
| 00:43 | 1.61 | 637.9 | -1.36 | 1.6 | 637.9 | -1.4 |
| 00:42 | - | - | -1.41 | - | - | -1.4 |
| 00:41 | - | - | -1.53 | - | - | -1.5 |
| 00:40 | 1.89 | 630.0 | -1.31 | 1.9 | 630.0 | -1.3 |
| 00:39 | 1.89 | 630.0 | -1.39 | 1.9 | 630.0 | -1.4 |
| 00:38 | - | - | -1.55 | - | - | -1.5 |
| 00:37 | 1.54 | - | -1.64 | 1.5 | - | -1.6 |
| 00:36 | 1.54 | 622.9 | -1.70 | 1.5 | 622.9 | -1.7 |
| 00:35 | 1.54 | - | -1.27 | 1.5 | - | -1.3 |
| 00:34 | - | - | -0.73 | - | - | -0.7 |
| 00:33 | - | - | -0.60 | - | - | -0.6 |
| 00:32 | 1.76 | 632.3 | 0.29 | 1.8 | 632.3 | 0.3 |
| 00:31 | 1.76 | 632.3 | 0.17 | 1.8 | 632.3 | 0.2 |
| 00:30 | - | - | 0.25 | - | - | 0.2 |
| 00:29 | - | - | 0.21 | - | - | 0.2 |
Built 2025-12-25 02:29 from source
No recent solar wind parameters by NOAA available.
Forecast cannot be given.
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 179 | - | - |
| Maasi (MAS) | 181 | - | - |
| Kilpisjärvi (KIL) | 196 | - | - |
| Ivalo (IVA) | 154 | - | - |
| Muonio (MUO) | 151 | - | - |
| Sodankylä (SOD) | 99 | - | - |
| Pello (PEL) | 83 | - | - |
| Oulujärvi (OUJ) | 37 | - | - |
| Mekrijärvi (MEK) | 17 | - | - |
| Hankasalmi (HAN) | 19 | - | - |
| Nurmijärvi (NUR) | 16 | - | - |
| Tartu (TAR) | 10 | - | - |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-12-25 02:17 from source
Issue Time: 2025-12-24 20:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5196
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-25 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: 5196
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-25 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: 2025-12-24 08:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2163
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-24 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: 2163
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-24 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: 2025-12-24 08:48 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5195
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-24 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: 5195
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-24 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: 2025-12-24 05:06 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3582
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 5557 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3582
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 5557 pfu
Issue Time: 2025-12-23 23:08 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2162
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-24 09:00 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: 2162
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-24 09:00 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: 2025-12-23 23:07 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5194
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-24 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: 5194
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-24 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: 2025-12-23 14:09 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2161
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 23:59 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: 2161
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 23:59 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: 2025-12-23 09:02 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3581
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 1882 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3581
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 1882 pfu
Issue Time: 2025-12-23 05:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2160
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 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: 2160
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 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: 2025-12-22 23:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2159
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 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: 2159
Valid From: 2025-12-22 14:07 UTC
Now Valid Until: 2025-12-23 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: 2025-12-22 17:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5193
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-23 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: 5193
Valid From: 2025-12-21 02:40 UTC
Now Valid Until: 2025-12-23 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: 2025-12-22 15:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3580
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 1566 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3580
Begin Time: 2025-12-21 14:25 UTC
Yesterday Maximum 2MeV Flux: 1566 pfu
Issue Time: 2025-12-22 14:10 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-12-22 14:10 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: 2025-12-22 14:10 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: 2025-12-22 14:07 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-12-22 14:07 UTC
Valid To: 2025-12-22 23:59 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: 2025-12-22 14:07 UTC
Valid To: 2025-12-22 23:59 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 2025-12-25 02:27 from source
