SeadedLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 21:29 | - | - | - | - | - | - |
| 21:28 | - | - | - | - | - | - |
| 21:27 | - | - | - | - | - | - |
| 21:26 | - | - | - | - | - | - |
| 21:25 | - | - | - | - | - | - |
| 21:24 | - | - | - | - | - | - |
| 21:23 | - | - | - | - | - | - |
| 21:22 | - | - | - | - | - | - |
| 21:21 | - | - | - | - | - | - |
| 21:20 | - | - | - | - | - | - |
| 21:19 | - | - | - | - | - | - |
| 21:18 | - | - | - | - | - | - |
| 21:17 | - | - | - | - | - | - |
| 21:16 | - | - | - | - | - | - |
| 21:15 | - | - | - | - | - | - |
| 21:14 | - | - | - | - | - | - |
| 21:13 | - | - | - | - | - | - |
| 21:12 | - | - | - | - | - | - |
| 21:11 | - | - | - | - | - | - |
| 21:10 | - | - | - | - | - | - |
| 21:09 | - | - | - | - | - | - |
| 21:08 | - | - | - | - | - | - |
| 21:07 | - | - | - | - | - | - |
| 21:06 | - | - | - | - | - | - |
| 21:05 | - | - | - | - | - | - |
| 21:04 | - | - | - | - | - | - |
| 21:03 | - | - | - | - | - | - |
| 21:02 | - | - | - | - | - | - |
| 21:01 | - | - | - | - | - | - |
| 21:00 | - | - | - | - | - | - |
| 20:59 | - | - | - | - | - | - |
| 20:58 | - | - | - | - | - | - |
| 20:57 | - | - | - | - | - | - |
| 20:56 | - | - | - | - | - | - |
| 20:55 | - | - | - | - | - | - |
| 20:54 | - | - | - | - | - | - |
| 20:53 | - | - | - | - | - | - |
| 20:52 | - | - | - | - | - | - |
| 20:51 | - | - | - | - | - | - |
| 20:50 | - | - | - | - | - | - |
| 20:49 | - | - | - | - | - | - |
| 20:48 | - | - | - | - | - | - |
| 20:47 | - | - | - | - | - | - |
| 20:46 | - | - | - | - | - | - |
| 20:45 | - | - | - | - | - | - |
| 20:44 | - | - | - | - | - | - |
| 20:43 | - | - | - | - | - | - |
| 20:42 | - | - | - | - | - | - |
| 20:41 | - | - | - | - | - | - |
| 20:40 | - | - | - | - | - | - |
| 20:39 | - | - | - | - | - | - |
| 20:38 | - | - | - | - | - | - |
| 20:37 | - | - | - | - | - | - |
| 20:36 | - | - | - | - | - | - |
| 20:35 | - | - | - | - | - | - |
| 20:34 | - | - | - | - | - | - |
| 20:33 | - | - | - | - | - | - |
| 20:32 | - | - | - | - | - | - |
| 20:31 | - | - | - | - | - | - |
| 20:30 | - | - | - | - | - | - |
| 20:29 | - | - | - | - | - | - |
| 20:28 | - | - | - | - | - | - |
| 20:27 | - | - | - | - | - | - |
| 20:26 | - | - | - | - | - | - |
| 20:25 | - | - | - | - | - | - |
| 20:24 | - | - | - | - | - | - |
| 20:23 | - | - | - | - | - | - |
| 20:22 | - | - | - | - | - | - |
| 20:21 | - | - | - | - | - | - |
| 20:20 | - | - | - | - | - | - |
| 20:19 | - | - | - | - | - | - |
| 20:18 | - | - | - | - | - | - |
| 20:17 | - | - | - | - | - | - |
| 20:16 | - | - | - | - | - | - |
| 20:15 | - | - | - | - | - | - |
| 20:14 | - | - | - | - | - | - |
| 20:13 | - | - | - | - | - | - |
| 20:12 | - | - | - | - | - | - |
| 20:11 | - | - | - | - | - | - |
| 20:10 | - | - | - | - | - | - |
| 20:09 | - | - | - | - | - | - |
| 20:08 | - | - | - | - | - | - |
| 20:07 | - | - | - | - | - | - |
| 20:06 | - | - | - | - | - | - |
| 20:05 | - | - | - | - | - | - |
| 20:04 | - | - | - | - | - | - |
| 20:03 | - | - | - | - | - | - |
| 20:02 | - | - | - | - | - | - |
| 20:01 | - | - | - | - | - | - |
| 20:00 | - | - | - | - | - | - |
| 19:59 | - | - | - | - | - | - |
| 19:58 | - | - | - | - | - | - |
| 19:57 | - | - | - | - | - | - |
| 19:56 | - | - | - | - | - | - |
| 19:55 | - | - | - | - | - | - |
| 19:54 | - | - | - | - | - | - |
| 19:53 | - | - | - | - | - | - |
| 19:52 | - | - | - | - | - | - |
| 19:51 | 2.50 | 596.0 | 0.45 | 2.5 | 596.0 | 0.4 |
| 19:50 | 1.44 | 549.8 | 1.27 | 1.4 | 549.8 | 1.3 |
| 19:49 | 2.16 | 587.0 | -1.06 | 2.2 | 587.0 | -1.1 |
| 19:48 | 2.08 | 582.7 | -0.18 | 2.1 | 582.7 | -0.2 |
| 19:47 | 2.56 | 605.1 | -0.52 | 2.6 | 605.1 | -0.5 |
| 19:46 | 1.70 | 555.6 | 0.06 | 1.7 | 555.6 | 0.1 |
| 19:45 | 2.14 | 584.5 | -0.55 | 2.1 | 584.5 | -0.6 |
| 19:44 | 2.23 | 588.9 | -0.24 | 2.2 | 588.9 | -0.2 |
| 19:43 | 1.83 | 589.6 | -2.34 | 1.8 | 589.6 | -2.3 |
| 19:42 | 1.53 | 569.5 | -1.72 | 1.5 | 569.5 | -1.7 |
| 19:41 | 1.75 | 576.6 | -2.40 | 1.7 | 576.6 | -2.4 |
| 19:40 | 1.51 | 567.1 | -2.33 | 1.5 | 567.1 | -2.3 |
| 19:39 | 1.67 | 568.9 | -2.16 | 1.7 | 568.9 | -2.2 |
| 19:38 | 2.04 | 587.0 | -2.00 | 2.0 | 587.0 | -2.0 |
| 19:37 | 1.50 | 571.4 | -0.13 | 1.5 | 571.4 | -0.1 |
| 19:36 | 1.82 | 617.6 | -0.19 | 1.8 | 617.6 | -0.2 |
| 19:35 | 1.82 | 618.0 | -0.91 | 1.8 | 618.0 | -0.9 |
| 19:34 | 1.78 | 615.6 | -0.93 | 1.8 | 615.6 | -0.9 |
| 19:33 | 1.64 | 582.5 | -0.70 | 1.6 | 582.5 | -0.7 |
| 19:32 | 1.70 | 583.9 | 0.06 | 1.7 | 583.9 | 0.1 |
| 19:31 | 1.83 | 603.3 | 0.13 | 1.8 | 603.3 | 0.1 |
| 19:30 | 1.58 | 625.5 | 0.34 | 1.6 | 625.5 | 0.3 |
Built 2025-12-16 21:30 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) | 77 | - | - |
| Maasi (MAS) | 75 | - | - |
| Kilpisjärvi (KIL) | 84 | - | - |
| Ivalo (IVA) | 77 | - | - |
| Muonio (MUO) | 64 | - | - |
| Sodankylä (SOD) | 35 | - | - |
| Pello (PEL) | 40 | - | - |
| Oulujärvi (OUJ) | 12 | - | - |
| Mekrijärvi (MEK) | 12 | - | - |
| Hankasalmi (HAN) | 10 | - | - |
| Nurmijärvi (NUR) | 13 | - | - |
| Tartu (TAR) | 11 | - | - |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-12-16 21:17 from source
Issue Time: 2025-12-16 01:11 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-12-16 01:10 UTC
Valid To: 2025-12-16 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: 2025-12-16 01:10 UTC
Valid To: 2025-12-16 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: 2025-12-15 22:45 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Dec 16: None (Below G1) Dec 17: None (Below G1) Dec 18: 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
Dec 16: None (Below G1) Dec 17: None (Below G1) Dec 18: 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: 2025-12-14 09:32 UTC
ALERT: Type II Radio Emission
Begin Time: 2025-12-14 07:44 UTC
Estimated Velocity: 585 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: 2025-12-14 07:44 UTC
Estimated Velocity: 585 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: 2025-12-13 14:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5183
Valid From: 2025-12-10 20:40 UTC
Now Valid Until: 2025-12-14 06:00 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: 5183
Valid From: 2025-12-10 20:40 UTC
Now Valid Until: 2025-12-14 06:00 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: 2025-12-13 11:06 UTC
ALERT: Type II Radio Emission
Begin Time: 2025-12-13 10:49 UTC
Estimated Velocity: 778 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: 2025-12-13 10:49 UTC
Estimated Velocity: 778 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.
Built 2025-12-16 03:06 from source
