SeadedLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 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 | - | - | - | - |
| 19:50 | 1.44 | 549.8 | 1.27 | - | - | - |
| 19:49 | 2.16 | 587.0 | -1.06 | - | - | - |
| 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 |
| 19:29 | 2.02 | 676.1 | 0.73 | 2.0 | 676.1 | 0.7 |
| 19:28 | 1.63 | 619.0 | 0.74 | 1.6 | 619.0 | 0.7 |
| 19:27 | 0.77 | 550.0 | 1.43 | 0.8 | 550.0 | 1.4 |
| 19:26 | 1.21 | 568.8 | 1.15 | 1.2 | 568.8 | 1.2 |
| 19:25 | 1.90 | 591.0 | 0.25 | 1.9 | 591.0 | 0.2 |
| 19:24 | 2.31 | 625.8 | 1.51 | 2.3 | 625.8 | 1.5 |
| 19:23 | 2.50 | 649.2 | 2.04 | 2.5 | 649.2 | 2.0 |
| 19:22 | 2.15 | 609.7 | 2.45 | 2.1 | 609.7 | 2.5 |
| 19:21 | 1.55 | 562.4 | 1.60 | 1.6 | 562.4 | 1.6 |
| 19:20 | 1.80 | 606.5 | -0.24 | 1.8 | 606.5 | -0.2 |
| 19:19 | 1.76 | 609.6 | -0.67 | 1.8 | 609.6 | -0.7 |
| 19:18 | 1.59 | 616.7 | -0.56 | 1.6 | 616.7 | -0.6 |
| 19:17 | 1.58 | 565.1 | 0.07 | 1.6 | 565.1 | 0.1 |
| 19:16 | 1.90 | 600.1 | 2.03 | 1.9 | 600.1 | 2.0 |
| 19:15 | 1.95 | 610.3 | 2.12 | 1.9 | 610.3 | 2.1 |
| 19:14 | 0.22 | 523.9 | 1.42 | 0.2 | 523.9 | 1.4 |
| 19:13 | 1.57 | 579.1 | 2.18 | 1.6 | 579.1 | 2.2 |
| 19:12 | 2.00 | 614.1 | 2.16 | 2.0 | 614.1 | 2.2 |
| 19:11 | 2.18 | 617.4 | 2.68 | 2.2 | 617.4 | 2.7 |
| 19:10 | 2.28 | 620.1 | 2.37 | 2.3 | 620.1 | 2.4 |
| 19:09 | 2.17 | 605.1 | 2.31 | 2.2 | 605.1 | 2.3 |
| 19:08 | 1.98 | 583.6 | 2.40 | 2.0 | 583.6 | 2.4 |
| 19:07 | 2.45 | 595.9 | 2.40 | 2.4 | 595.9 | 2.4 |
| 19:06 | 2.85 | 620.0 | 2.53 | 2.9 | 620.0 | 2.5 |
| 19:05 | 2.42 | 617.7 | 2.56 | 2.4 | 617.7 | 2.6 |
| 19:04 | - | - | 1.85 | - | - | 1.9 |
| 19:03 | 2.35 | 617.1 | 1.88 | 2.4 | 617.1 | 1.9 |
| 19:02 | 2.22 | 614.3 | 1.62 | 2.2 | 614.3 | 1.6 |
| 19:01 | 1.20 | 592.5 | 1.99 | 1.2 | 592.5 | 2.0 |
| 19:00 | 1.15 | 576.9 | 0.76 | 1.2 | 576.9 | 0.8 |
| 18:59 | 2.31 | 592.7 | 0.29 | 2.3 | 592.7 | 0.3 |
| 18:58 | 2.53 | 600.8 | 0.95 | 2.5 | 600.8 | 0.9 |
| 18:57 | 2.39 | 628.4 | 1.31 | 2.4 | 628.4 | 1.3 |
| 18:56 | 1.98 | 587.4 | 0.94 | 2.0 | 587.4 | 0.9 |
| 18:55 | 2.23 | 607.7 | 0.82 | 2.2 | 607.7 | 0.8 |
| 18:54 | 2.10 | 604.7 | 2.56 | 2.1 | 604.7 | 2.6 |
| 18:53 | 1.70 | 622.7 | -1.39 | 1.7 | 622.7 | -1.4 |
| 18:52 | 1.43 | 630.4 | 0.32 | 1.4 | 630.4 | 0.3 |
| 18:51 | 1.30 | 621.8 | -2.95 | 1.3 | 621.8 | -2.9 |
| 18:50 | 1.34 | 621.3 | -2.65 | 1.3 | 621.3 | -2.7 |
| 18:49 | 1.05 | 584.3 | -1.79 | 1.1 | 584.3 | -1.8 |
| 18:48 | 0.47 | 538.6 | -1.29 | 0.5 | 538.6 | -1.3 |
| 18:47 | 1.44 | 611.3 | -1.39 | 1.4 | 611.3 | -1.4 |
| 18:46 | 1.09 | 602.4 | -0.42 | 1.1 | 602.4 | -0.4 |
| 18:45 | 0.10 | 522.3 | -1.40 | 0.1 | 522.3 | -1.4 |
| 18:44 | - | - | -2.06 | - | - | -2.1 |
| 18:43 | 1.15 | 615.9 | -3.29 | 1.2 | 615.9 | -3.3 |
| 18:42 | 1.52 | 621.8 | -3.46 | 1.5 | 621.8 | -3.5 |
| 18:41 | 1.51 | 658.7 | -2.41 | 1.5 | 658.7 | -2.4 |
| 18:40 | 1.74 | 680.8 | -0.55 | 1.7 | 680.8 | -0.6 |
| 18:39 | 1.64 | 648.0 | -0.66 | 1.6 | 648.0 | -0.7 |
| 18:38 | 1.64 | 635.5 | -0.75 | 1.6 | 635.5 | -0.8 |
| 18:37 | 1.36 | 656.6 | 0.09 | 1.4 | 656.6 | 0.1 |
| 18:36 | 1.14 | 645.0 | -0.12 | 1.1 | 645.0 | -0.1 |
| 18:35 | 1.16 | 626.2 | -2.04 | 1.2 | 626.2 | -2.0 |
| 18:34 | 1.35 | 626.1 | -2.52 | 1.3 | 626.1 | -2.5 |
| 18:33 | 1.57 | 619.4 | -2.58 | 1.6 | 619.4 | -2.6 |
| 18:32 | 1.47 | 627.8 | -1.84 | 1.5 | 627.8 | -1.8 |
| 18:31 | 1.34 | 627.8 | -3.18 | 1.3 | 627.8 | -3.2 |
| 18:30 | 2.07 | 629.5 | -4.01 | 2.1 | 629.5 | -4.0 |
| 18:29 | 2.08 | 629.3 | -4.02 | 2.1 | 629.3 | -4.0 |
| 18:28 | 2.11 | 624.2 | 1.36 | 2.1 | 624.2 | 1.4 |
| 18:27 | 1.53 | 571.6 | 1.65 | 1.5 | 571.6 | 1.7 |
| 18:26 | 1.56 | 595.3 | 0.91 | 1.6 | 595.3 | 0.9 |
| 18:25 | 2.47 | 629.1 | -1.12 | 2.5 | 629.1 | -1.1 |
| 18:24 | 2.39 | 626.2 | -0.13 | 2.4 | 626.2 | -0.1 |
| 18:23 | 1.66 | 619.4 | 2.00 | 1.7 | 619.4 | 2.0 |
| 18:22 | 1.57 | 649.0 | 0.73 | 1.6 | 649.0 | 0.7 |
| 18:21 | 1.55 | 657.9 | -0.88 | 1.6 | 657.9 | -0.9 |
| 18:20 | 1.57 | 657.5 | 0.95 | 1.6 | 657.5 | 0.9 |
| 18:19 | 1.55 | 623.3 | 1.33 | 1.5 | 623.3 | 1.3 |
| 18:18 | 1.53 | 607.7 | 0.29 | 1.5 | 607.7 | 0.3 |
| 18:17 | 1.60 | 652.0 | 0.04 | 1.6 | 652.0 | 0.0 |
| 18:16 | 1.45 | 637.2 | -0.12 | 1.4 | 637.2 | -0.1 |
| 18:15 | 1.61 | 641.8 | -0.89 | 1.6 | 641.8 | -0.9 |
| 18:14 | 1.52 | 652.5 | -0.93 | 1.5 | 652.5 | -0.9 |
| 18:13 | 2.02 | 700.5 | -1.58 | 2.0 | 700.5 | -1.6 |
| 18:12 | 1.84 | 675.6 | -0.75 | 1.8 | 675.6 | -0.7 |
| 18:11 | 2.81 | 677.0 | -0.77 | 2.8 | 677.0 | -0.8 |
| 18:10 | 1.87 | 613.1 | -0.22 | 1.9 | 613.1 | -0.2 |
| 18:09 | 0.49 | 560.2 | 0.54 | 0.5 | 560.2 | 0.5 |
| 18:08 | 0.14 | 548.0 | 0.97 | 0.1 | 548.0 | 1.0 |
| 18:07 | 1.49 | 611.7 | 0.23 | 1.5 | 611.7 | 0.2 |
Built 2025-12-16 20:07 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -3.0 | 2.7 | 0.5 |
| velocity [km/s] | 523.9 | 676.1 | 597.7 |
| density [cm-3] | 0.2 | 2.9 | 1.9 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 75 | 43 | 481 |
| Maasi (MAS) | 93 | 44 | 505 |
| Kilpisjärvi (KIL) | 112 | 38 | 489 |
| Ivalo (IVA) | 96 | 22 | 433 |
| Muonio (MUO) | 78 | 19 | 445 |
| Sodankylä (SOD) | 50 | 15 | 416 |
| Pello (PEL) | 43 | 13 | 326 |
| Oulujärvi (OUJ) | 12 | 9 | 164 |
| Mekrijärvi (MEK) | 7 | 5 | 56 |
| Hankasalmi (HAN) | 11 | 6 | 60 |
| Nurmijärvi (NUR) | 7 | 6 | 53 |
| Tartu (TAR) | 7 | 5 | 44 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-12-16 20:02 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
