SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 00:25 | - | - | - | - | - | - |
| 00:24 | - | - | - | - | - | - |
| 00:23 | - | - | - | - | - | - |
| 00:22 | - | - | - | - | - | - |
| 00:21 | - | - | 3.87 | - | - | - |
| 00:20 | 2.14 | 635.1 | 3.18 | - | - | - |
| 00:19 | 1.85 | 633.0 | 3.05 | - | - | - |
| 00:18 | 1.81 | 637.3 | 3.97 | - | - | - |
| 00:17 | 1.88 | 636.1 | 3.93 | - | - | - |
| 00:16 | 1.83 | 636.9 | 3.57 | - | - | - |
| 00:15 | 1.84 | 636.3 | 3.38 | - | - | - |
| 00:14 | 1.76 | 638.6 | 3.40 | - | - | - |
| 00:13 | 1.64 | 644.4 | 3.27 | - | - | - |
| 00:12 | 1.73 | 641.9 | 3.29 | - | - | - |
| 00:11 | 1.69 | 640.0 | 3.23 | - | - | - |
| 00:10 | 1.54 | 654.8 | 2.80 | - | - | - |
| 00:09 | 1.58 | 649.1 | 2.63 | - | - | - |
| 00:08 | 1.27 | 658.7 | 1.78 | - | - | - |
| 00:07 | 1.96 | 644.2 | 2.08 | 2.0 | 644.2 | 2.1 |
| 00:06 | 1.39 | 646.9 | 3.30 | 1.4 | 646.9 | 3.3 |
| 00:05 | 1.70 | 637.8 | 2.22 | 1.7 | 637.8 | 2.2 |
| 00:04 | 1.38 | 635.2 | 2.93 | 1.4 | 635.2 | 2.9 |
| 00:03 | 1.31 | 635.4 | 2.32 | 1.3 | 635.4 | 2.3 |
| 00:02 | 1.34 | 637.3 | 1.10 | 1.3 | 637.3 | 1.1 |
| 00:01 | 1.30 | 638.6 | 2.62 | 1.3 | 638.6 | 2.6 |
| 00:00 | 1.33 | 637.2 | 1.59 | 1.3 | 637.2 | 1.6 |
| 23:59 | 1.25 | 638.1 | -0.59 | 1.3 | 638.1 | -0.6 |
| 23:58 | 1.20 | 638.6 | -0.06 | 1.2 | 638.6 | -0.1 |
| 23:57 | 1.27 | 637.0 | 0.34 | 1.3 | 637.0 | 0.3 |
| 23:56 | 1.37 | 637.3 | 0.84 | 1.4 | 637.3 | 0.8 |
| 23:55 | 1.52 | 636.6 | 1.45 | 1.5 | 636.6 | 1.5 |
| 23:54 | 1.43 | 632.9 | 1.26 | 1.4 | 632.9 | 1.3 |
| 23:53 | 1.56 | 635.4 | 3.32 | 1.6 | 635.4 | 3.3 |
| 23:52 | 1.17 | 637.7 | 2.21 | 1.2 | 637.7 | 2.2 |
| 23:51 | 1.58 | 639.5 | 2.57 | 1.6 | 639.5 | 2.6 |
| 23:50 | 1.37 | 636.6 | 1.52 | 1.4 | 636.6 | 1.5 |
| 23:49 | 1.37 | 636.6 | 0.98 | 1.4 | 636.6 | 1.0 |
| 23:48 | 1.38 | 632.4 | 0.89 | 1.4 | 632.4 | 0.9 |
| 23:47 | 1.33 | 637.9 | 0.81 | 1.3 | 637.9 | 0.8 |
| 23:46 | 1.65 | 636.8 | 2.04 | 1.7 | 636.8 | 2.0 |
| 23:45 | 1.38 | 643.2 | 2.11 | 1.4 | 643.2 | 2.1 |
| 23:44 | 1.11 | 647.9 | 0.41 | 1.1 | 647.9 | 0.4 |
| 23:43 | 1.18 | 651.2 | 1.04 | 1.2 | 651.2 | 1.0 |
| 23:42 | 1.19 | 647.5 | 2.82 | 1.2 | 647.5 | 2.8 |
| 23:41 | 1.09 | 646.1 | 0.83 | 1.1 | 646.1 | 0.8 |
| 23:40 | 1.16 | 653.1 | 0.98 | 1.2 | 653.1 | 1.0 |
| 23:39 | 1.18 | 650.2 | 0.71 | 1.2 | 650.2 | 0.7 |
| 23:38 | 1.18 | 649.1 | 0.40 | 1.2 | 649.1 | 0.4 |
| 23:37 | 1.46 | 661.0 | 1.85 | 1.5 | 661.0 | 1.9 |
| 23:36 | 0.34 | 677.8 | -2.99 | 0.3 | 677.8 | -3.0 |
| 23:35 | 0.61 | 649.3 | -2.38 | 0.6 | 649.3 | -2.4 |
| 23:34 | 1.03 | 655.6 | -1.42 | 1.0 | 655.6 | -1.4 |
| 23:33 | 0.34 | 678.1 | 0.52 | 0.3 | 678.1 | 0.5 |
| 23:32 | 0.24 | 663.4 | -2.67 | 0.2 | 663.4 | -2.7 |
| 23:31 | 0.38 | 657.9 | -2.75 | 0.4 | 657.9 | -2.8 |
| 23:30 | 0.47 | 648.8 | -2.79 | 0.5 | 648.8 | -2.8 |
| 23:29 | 0.49 | 639.0 | -1.25 | 0.5 | 639.0 | -1.2 |
| 23:28 | 0.78 | 642.7 | -0.73 | 0.8 | 642.7 | -0.7 |
| 23:27 | 1.23 | 649.0 | 0.59 | 1.2 | 649.0 | 0.6 |
| 23:26 | 1.36 | 647.2 | 1.95 | 1.4 | 647.2 | 1.9 |
| 23:25 | 1.26 | 642.7 | 0.95 | 1.3 | 642.7 | 1.0 |
| 23:24 | 1.28 | 643.1 | 0.95 | 1.3 | 643.1 | 1.0 |
| 23:23 | 1.38 | 644.8 | 1.04 | 1.4 | 644.8 | 1.0 |
| 23:22 | 1.76 | 640.5 | 1.69 | 1.8 | 640.5 | 1.7 |
| 23:21 | 2.07 | 642.3 | 2.60 | 2.1 | 642.3 | 2.6 |
| 23:20 | 1.97 | 650.3 | 3.09 | 2.0 | 650.3 | 3.1 |
| 23:19 | 2.21 | 646.7 | 3.39 | 2.2 | 646.7 | 3.4 |
| 23:18 | 2.42 | 649.0 | 3.64 | 2.4 | 649.0 | 3.6 |
| 23:17 | 2.26 | 650.3 | 3.95 | 2.3 | 650.3 | 3.9 |
| 23:16 | 2.25 | 650.4 | 4.22 | 2.3 | 650.4 | 4.2 |
| 23:15 | 2.25 | 650.9 | 4.15 | 2.3 | 650.9 | 4.1 |
| 23:14 | 2.23 | 649.9 | 4.29 | 2.2 | 649.9 | 4.3 |
| 23:13 | 2.20 | 652.5 | 4.32 | 2.2 | 652.5 | 4.3 |
| 23:12 | 2.16 | 657.3 | 3.74 | 2.2 | 657.3 | 3.7 |
| 23:11 | 2.21 | 660.7 | 4.43 | 2.2 | 660.7 | 4.4 |
| 23:10 | 1.22 | 608.9 | 3.50 | 1.2 | 608.9 | 3.5 |
| 23:09 | 0.43 | 595.5 | -0.92 | 0.4 | 595.5 | -0.9 |
| 23:08 | 1.13 | 667.0 | 0.35 | 1.1 | 667.0 | 0.3 |
| 23:07 | 1.28 | 661.1 | 0.88 | 1.3 | 661.1 | 0.9 |
| 23:06 | 1.40 | 637.6 | 2.40 | 1.4 | 637.6 | 2.4 |
| 23:05 | 1.56 | 633.6 | 2.64 | 1.6 | 633.6 | 2.6 |
| 23:04 | 1.57 | 640.1 | 2.71 | 1.6 | 640.1 | 2.7 |
| 23:03 | 1.82 | 648.8 | 3.51 | 1.8 | 648.8 | 3.5 |
| 23:02 | 2.06 | 642.4 | 3.84 | 2.1 | 642.4 | 3.8 |
| 23:01 | 2.17 | 643.8 | 3.98 | 2.2 | 643.8 | 4.0 |
| 23:00 | 2.16 | 641.7 | 3.67 | 2.2 | 641.7 | 3.7 |
| 22:59 | 2.15 | 641.8 | 3.74 | 2.2 | 641.8 | 3.7 |
| 22:58 | 2.17 | 642.1 | 3.52 | 2.2 | 642.1 | 3.5 |
| 22:57 | 2.22 | 654.0 | 4.18 | 2.2 | 654.0 | 4.2 |
| 22:56 | 2.16 | 649.1 | 4.60 | 2.2 | 649.1 | 4.6 |
| 22:55 | 2.08 | 641.6 | 4.11 | 2.1 | 641.6 | 4.1 |
| 22:54 | 2.09 | 643.2 | 3.88 | 2.1 | 643.2 | 3.9 |
| 22:53 | 2.02 | 641.8 | 3.93 | 2.0 | 641.8 | 3.9 |
| 22:52 | 1.84 | 637.6 | 2.64 | 1.8 | 637.6 | 2.6 |
| 22:51 | 1.97 | 641.3 | 2.72 | 2.0 | 641.3 | 2.7 |
| 22:50 | 2.15 | 645.6 | 3.55 | 2.2 | 645.6 | 3.5 |
| 22:49 | 1.58 | 647.2 | 2.81 | 1.6 | 647.2 | 2.8 |
| 22:48 | 1.91 | 646.9 | 2.93 | 1.9 | 646.9 | 2.9 |
| 22:47 | 1.77 | 647.3 | 3.38 | 1.8 | 647.3 | 3.4 |
| 22:46 | 1.90 | 657.6 | 3.36 | 1.9 | 657.6 | 3.4 |
| 22:45 | 1.49 | 656.6 | 4.00 | 1.5 | 656.6 | 4.0 |
| 22:44 | 2.07 | 654.8 | 4.65 | 2.1 | 654.8 | 4.6 |
| 22:43 | 2.17 | 654.6 | 4.13 | 2.2 | 654.6 | 4.1 |
| 22:42 | 1.73 | 682.5 | 4.89 | 1.7 | 682.5 | 4.9 |
| 22:41 | 2.12 | 665.0 | 4.87 | 2.1 | 665.0 | 4.9 |
| 22:40 | 2.31 | 657.9 | 5.10 | 2.3 | 657.9 | 5.1 |
| 22:39 | 2.30 | 662.7 | 5.06 | 2.3 | 662.7 | 5.1 |
| 22:38 | 2.02 | 665.0 | 4.87 | 2.0 | 665.0 | 4.9 |
| 22:37 | 1.90 | 667.6 | 4.86 | 1.9 | 667.6 | 4.9 |
| 22:36 | 2.24 | 669.7 | 4.54 | 2.2 | 669.7 | 4.5 |
| 22:35 | 2.29 | 662.0 | 5.02 | 2.3 | 662.0 | 5.0 |
| 22:34 | 2.11 | 662.2 | 4.61 | 2.1 | 662.2 | 4.6 |
| 22:33 | 2.11 | 667.3 | 5.31 | 2.1 | 667.3 | 5.3 |
| 22:32 | 2.26 | 662.9 | 5.34 | 2.3 | 662.9 | 5.3 |
| 22:31 | 2.22 | 670.8 | 5.28 | 2.2 | 670.8 | 5.3 |
| 22:30 | 2.06 | 673.9 | 4.75 | 2.1 | 673.9 | 4.7 |
| 22:29 | 1.54 | 641.6 | 3.84 | 1.5 | 641.6 | 3.8 |
| 22:28 | 1.98 | 662.5 | 4.01 | 2.0 | 662.5 | 4.0 |
| 22:27 | 2.11 | 657.7 | 4.10 | 2.1 | 657.7 | 4.1 |
| 22:26 | 1.43 | 683.7 | 4.23 | 1.4 | 683.7 | 4.2 |
Built 2026-02-17 00:26 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -3.0 | 4.2 | 1.3 |
| velocity [km/s] | 632.4 | 678.1 | 645.6 |
| density [cm-3] | 0.2 | 2.4 | 1.3 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 70 | 13 | 324 |
| Maasi (MAS) | 75 | 14 | 341 |
| Kilpisjärvi (KIL) | 86 | 18 | 345 |
| Ivalo (IVA) | 80 | 11 | 285 |
| Muonio (MUO) | 111 | 10 | 320 |
| Sodankylä (SOD) | 140 | 8 | 317 |
| Pello (PEL) | 131 | 8 | 296 |
| Oulujärvi (OUJ) | 57 | 5 | 160 |
| Mekrijärvi (MEK) | 21 | 3 | 40 |
| Hankasalmi (HAN) | 21 | 3 | 60 |
| Nurmijärvi (NUR) | - | 4 | 41 |
| Tartu (TAR) | 16 | 3 | 20 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2026-02-17 00:17 from source
Issue Time: 2026-02-16 20:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2194
Valid From: 2026-02-16 17:00 UTC
Now Valid Until: 2026-02-17 09:00 UTC
Warning Condition: Onset
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: 2194
Valid From: 2026-02-16 17:00 UTC
Now Valid Until: 2026-02-17 09:00 UTC
Warning Condition: Onset
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: 2026-02-16 20:52 UTC
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 640
Valid From: 2026-02-16 18:40 UTC
Now Valid Until: 2026-02-17 03:00 UTC
Warning Condition: Onset
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.
EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Extension to Serial Number: 640
Valid From: 2026-02-16 18:40 UTC
Now Valid Until: 2026-02-17 03:00 UTC
Warning Condition: Onset
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: 2026-02-16 20:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5260
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-17 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: 5260
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-17 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: 2026-02-16 20:00 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-02-16 20:00 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
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.
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-02-16 20:00 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
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: 2026-02-16 18:39 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2026-02-16 18:40 UTC
Valid To: 2026-02-16 21:00 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: 2026-02-16 18:40 UTC
Valid To: 2026-02-16 21:00 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: 2026-02-16 18:36 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-02-16 18:36 UTC
Synoptic Period: 1800-2100 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: 2026-02-16 18:36 UTC
Synoptic Period: 1800-2100 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: 2026-02-16 17:01 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5259
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-17 03:00 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: 5259
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-17 03:00 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: 2026-02-16 17:01 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-16 17:00 UTC
Valid To: 2026-02-16 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: 2026-02-16 17:00 UTC
Valid To: 2026-02-16 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.
Issue Time: 2026-02-16 16:51 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2026-02-16 16:35 UTC
Station: GOES19
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2026-02-16 16:35 UTC
Station: GOES19
Issue Time: 2026-02-16 05:57 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5258
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-16 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: 5258
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-16 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: 2026-02-16 05:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2192
Valid From: 2026-02-16 01:40 UTC
Now Valid Until: 2026-02-16 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: 2192
Valid From: 2026-02-16 01:40 UTC
Now Valid Until: 2026-02-16 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: 2026-02-16 01:42 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-16 01:40 UTC
Valid To: 2026-02-16 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: 2026-02-16 01:40 UTC
Valid To: 2026-02-16 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.
Issue Time: 2026-02-15 23:38 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5257
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-16 09:00 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: 5257
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-16 09:00 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: 2026-02-15 05:14 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2026-02-15 05:15 UTC
Valid To: 2026-02-15 15:00 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: 2026-02-15 05:15 UTC
Valid To: 2026-02-15 15:00 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: 2026-02-15 05:14 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5256
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-15 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: 5256
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-15 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: 2026-02-15 05:14 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2190
Valid From: 2026-02-14 21:35 UTC
Now Valid Until: 2026-02-15 21:00 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: 2190
Valid From: 2026-02-14 21:35 UTC
Now Valid Until: 2026-02-15 21:00 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: 2026-02-15 04:35 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-02-15 04:29 UTC
Synoptic Period: 0300-0600 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: 2026-02-15 04:29 UTC
Synoptic Period: 0300-0600 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: 2026-02-15 02:13 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-02-15 02:04 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: 2026-02-15 02:04 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: 2026-02-14 21:35 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-14 21:35 UTC
Valid To: 2026-02-15 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: 2026-02-14 21:35 UTC
Valid To: 2026-02-15 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.
Issue Time: 2026-02-14 21:35 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5255
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-15 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.
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5255
Valid From: 2026-02-14 20:00 UTC
Now Valid Until: 2026-02-15 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.
Issue Time: 2026-02-14 21:33 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-02-14 21:33 UTC
Synoptic Period: 2100-2400 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: 2026-02-14 21:33 UTC
Synoptic Period: 2100-2400 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: 2026-02-14 19:59 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-02-14 20:00 UTC
Valid To: 2026-02-15 03:00 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: 2026-02-14 20:00 UTC
Valid To: 2026-02-15 03:00 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 2026-02-16 22:38 from source
