SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 04:35 | - | - | - | - | - | - |
| 04:34 | - | - | - | - | - | - |
| 04:33 | - | - | - | - | - | - |
| 04:32 | - | - | - | - | - | - |
| 04:31 | - | - | - | - | - | - |
| 04:30 | - | - | - | - | - | - |
| 04:29 | - | - | - | - | - | - |
| 04:28 | - | - | - | - | - | - |
| 04:27 | - | - | - | - | - | -2.3 |
| 04:26 | - | - | - | - | - | -0.7 |
| 04:25 | - | - | - | 1.4 | 515.2 | -0.3 |
| 04:24 | - | - | - | 1.3 | 503.7 | -1.8 |
| 04:23 | - | - | - | 2.0 | 517.3 | -2.5 |
| 04:22 | - | - | - | 2.4 | 524.1 | -2.8 |
| 04:21 | - | - | - | 1.8 | 508.5 | -2.9 |
| 04:20 | - | - | - | 1.8 | 508.5 | -3.5 |
| 04:19 | - | - | - | 2.1 | 508.4 | -3.5 |
| 04:18 | - | - | - | 2.1 | - | -3.3 |
| 04:17 | - | - | - | 2.2 | 516.0 | -3.3 |
| 04:16 | - | - | - | 2.2 | 516.0 | -3.4 |
| 04:15 | - | - | - | 2.4 | 535.0 | -3.7 |
| 04:14 | - | - | - | 2.4 | 535.0 | -3.4 |
| 04:13 | - | - | - | 2.4 | 523.3 | -3.4 |
| 04:12 | - | - | - | 16.4 | 525.4 | -3.2 |
| 04:11 | - | - | - | 25.5 | 521.6 | -3.1 |
| 04:10 | - | - | - | 24.6 | 516.6 | -3.4 |
| 04:09 | - | - | - | 2.1 | 500.1 | -3.5 |
| 04:08 | - | - | - | 2.1 | 501.1 | -2.6 |
| 04:07 | - | - | - | 2.1 | 504.4 | -2.4 |
| 04:06 | - | - | - | 2.3 | 509.1 | -2.6 |
| 04:05 | - | - | - | 2.3 | 513.3 | -2.1 |
| 04:04 | - | - | - | - | - | -2.0 |
| 04:03 | - | - | - | - | - | -1.9 |
| 04:02 | - | - | - | 2.3 | 520.6 | -2.1 |
| 04:01 | - | - | - | 1.9 | 511.6 | -2.5 |
| 04:00 | - | - | - | 1.9 | 510.7 | -2.1 |
| 03:59 | - | - | - | - | - | - |
| 03:58 | - | - | - | - | - | -1.9 |
| 03:57 | - | - | - | 2.3 | 517.7 | -2.0 |
| 03:56 | - | - | - | 2.1 | 510.4 | -2.5 |
| 03:55 | - | - | - | 1.8 | 503.3 | -2.4 |
| 03:54 | - | - | - | 2.6 | 531.8 | -2.3 |
| 03:53 | - | - | - | 2.6 | 531.8 | -2.3 |
| 03:52 | - | - | - | 2.1 | 513.9 | -2.5 |
| 03:51 | - | - | - | 2.2 | 519.1 | -2.5 |
| 03:50 | - | - | - | 2.2 | 527.9 | -2.5 |
| 03:49 | - | - | - | 1.4 | 496.5 | -2.3 |
| 03:48 | - | - | - | - | - | -2.5 |
| 03:47 | - | - | - | 2.0 | 513.9 | -2.3 |
| 03:46 | - | - | - | 2.2 | 520.1 | -2.3 |
| 03:45 | - | - | - | 1.9 | 509.7 | -2.4 |
| 03:44 | - | - | - | 2.1 | 514.4 | -2.3 |
| 03:43 | - | - | - | 2.4 | 522.7 | -2.6 |
| 03:42 | - | - | - | 1.6 | 506.5 | -2.6 |
| 03:41 | - | - | - | 2.0 | 520.5 | -2.5 |
| 03:40 | - | - | - | 2.4 | 529.2 | -2.0 |
| 03:39 | - | - | - | 1.9 | 504.7 | -2.2 |
| 03:38 | - | - | - | 1.7 | 497.0 | -2.0 |
| 03:37 | - | - | - | 1.8 | 509.8 | -2.4 |
| 03:36 | - | - | - | 1.6 | 504.1 | -2.5 |
| 03:35 | - | - | - | - | - | -2.0 |
| 03:34 | - | - | - | - | - | -1.8 |
| 03:33 | - | - | - | 2.1 | 530.1 | -3.0 |
| 03:32 | - | - | - | 2.2 | 540.8 | -3.1 |
| 03:31 | - | - | - | - | - | -3.1 |
| 03:30 | - | - | - | 2.0 | 545.6 | -2.8 |
| 03:29 | - | - | - | 2.0 | 545.6 | -2.7 |
| 03:28 | - | - | - | 1.0 | 502.5 | -2.5 |
| 03:27 | - | - | - | 1.5 | 536.4 | -2.0 |
| 03:26 | - | - | - | 1.4 | 535.3 | -2.6 |
| 03:25 | - | - | - | 1.7 | 539.1 | -2.6 |
| 03:24 | - | - | - | 1.4 | 537.1 | -2.1 |
| 03:23 | - | - | - | 2.0 | 582.4 | -2.8 |
| 03:22 | - | - | - | 2.8 | 628.9 | -2.5 |
| 03:21 | - | - | - | 1.4 | 511.5 | -2.3 |
| 03:20 | - | - | - | 1.5 | 533.2 | -2.2 |
| 03:19 | - | - | - | 1.7 | 579.8 | -2.2 |
| 03:18 | - | - | - | 1.6 | 570.3 | -1.8 |
| 03:17 | - | - | - | 1.4 | 536.6 | -1.9 |
| 03:16 | - | - | - | 1.7 | 559.4 | -2.5 |
| 03:15 | - | - | - | - | - | -2.7 |
| 03:14 | - | - | - | 1.7 | 581.8 | -2.7 |
| 03:13 | - | - | - | 7.8 | 725.3 | -2.5 |
| 03:12 | - | - | - | 2.6 | 588.6 | -2.7 |
| 03:11 | - | - | - | - | - | -2.7 |
| 03:10 | - | - | - | 1.7 | 550.3 | -2.3 |
| 03:09 | - | - | - | 1.8 | 560.6 | -3.2 |
| 03:08 | - | - | - | 1.9 | 564.1 | -3.1 |
| 03:07 | - | - | - | 1.6 | 529.0 | -3.3 |
| 03:06 | - | - | - | 1.4 | 513.3 | -3.1 |
| 03:05 | - | - | - | 1.7 | 545.9 | -3.5 |
| 03:04 | - | - | - | 2.1 | 567.4 | -3.0 |
| 03:03 | - | - | - | 2.0 | 564.9 | -2.9 |
| 03:02 | - | - | - | 1.2 | 555.9 | -2.4 |
| 03:01 | - | - | - | 1.4 | 550.1 | -2.7 |
| 03:00 | - | - | - | 1.7 | 544.6 | -2.3 |
| 02:59 | - | - | - | 0.8 | 490.1 | - |
| 02:58 | - | - | - | 1.5 | 511.0 | -1.2 |
| 02:57 | - | - | - | 2.3 | 525.8 | -1.3 |
| 02:56 | - | - | - | 1.2 | 493.4 | -2.0 |
| 02:55 | - | - | - | 1.4 | 515.7 | -2.2 |
| 02:54 | - | - | - | 2.0 | 560.6 | -2.1 |
| 02:53 | - | - | - | 3.9 | 577.7 | -3.1 |
| 02:52 | - | - | - | 3.3 | 580.3 | -2.9 |
| 02:51 | - | - | - | 2.2 | 578.1 | -2.5 |
| 02:50 | - | - | - | 2.0 | 567.1 | -2.5 |
| 02:49 | - | - | - | 1.8 | 557.3 | -2.5 |
| 02:48 | - | - | - | 2.1 | 590.0 | -3.0 |
| 02:47 | - | - | - | 2.1 | 589.9 | -3.3 |
| 02:46 | - | - | - | 2.0 | 577.7 | -4.2 |
| 02:45 | - | - | - | 1.7 | 532.1 | - |
| 02:44 | - | - | - | 2.1 | 594.5 | - |
| 02:43 | - | - | - | 1.9 | 577.5 | -1.9 |
| 02:42 | - | - | - | 2.0 | 589.7 | -0.8 |
| 02:41 | - | - | - | 1.7 | 567.4 | -0.8 |
| 02:40 | - | - | - | 1.8 | 587.2 | -2.0 |
| 02:39 | - | - | - | 1.7 | 577.3 | -2.3 |
| 02:38 | - | - | - | 1.6 | 536.0 | -1.7 |
| 02:37 | - | - | - | 1.8 | 572.3 | -1.5 |
| 02:36 | - | - | - | 1.8 | 595.5 | -2.0 |
Built 2026-11-01 04:36 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -3.5 | -1.9 | -2.5 |
| velocity [km/s] | 496.5 | 540.8 | 515.1 |
| density [cm-3] | 1.4 | 25.5 | 3.6 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 144 | 12 | 225 |
| Maasi (MAS) | - | 13 | 237 |
| Kilpisjärvi (KIL) | 185 | 13 | 250 |
| Ivalo (IVA) | 135 | 10 | 188 |
| Muonio (MUO) | 142 | 10 | 179 |
| Sodankylä (SOD) | 107 | 9 | 127 |
| Pello (PEL) | 96 | 9 | 120 |
| Oulujärvi (OUJ) | 35 | 7 | 71 |
| Mekrijärvi (MEK) | 11 | 4 | 33 |
| Hankasalmi (HAN) | 15 | 5 | 34 |
| Nurmijärvi (NUR) | 10 | 5 | 33 |
| Tartu (TAR) | 10 | 4 | 24 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2026-11-01 04:32 from source
Issue Time: 2026-11-01 01:17 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-11-01 01:17 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
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: 2026-11-01 01:17 UTC
Synoptic Period: 0000-0300
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
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: 2026-11-01 00:08 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-11-01 00:07 UTC
Valid To: 2026-11-01 09:00 UTC
Warning Conditions: Persistence
Noaa Scale: G1 - Minor
Comment: Re-issued due to technical issues with end date of previous warning.
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: 2026-11-01 00:07 UTC
Valid To: 2026-11-01 09:00 UTC
Warning Conditions: Persistence
Noaa Scale: G1 - Minor
Comment: Re-issued due to technical issues with end date of previous warning.
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: 2026-10-31 19:14 UTC
ALERT: Geomagnetic K-index of 6
Threshold Reached: 2026-10-31 19:14 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment
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: 2026-10-31 19:14 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G2 - Moderate
Comment
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: 2026-10-31 19:08 UTC
WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026-10-31 19:08 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment
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: 2026-10-31 19:08 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment
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: 2026-10-31 19:07 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-10-31 19:07 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
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: 2026-10-31 19:07 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Noaa Scale: G1 - Minor
Comment
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: 2026-10-31 19:04 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-31 19:01 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
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: 2026-10-31 19:01 UTC
Valid To: 2026-10-31 23:59 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
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: 2026-10-31 18:47 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-31 18:45 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment
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: 2026-10-31 18:45 UTC
Synoptic Period: 1800-2100
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-31 12:20 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-31 12:35 UTC
Valid To: 2026-11-01 15:00 UTC
Warning Conditions: Onset
Comment
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: 2026-10-31 12:35 UTC
Valid To: 2026-11-01 15:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 23:11 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-10-30 23:10 UTC
Valid To: 2026-10-31 06:00 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
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: 2026-10-30 23:10 UTC
Valid To: 2026-10-31 06:00 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment
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: 2026-10-30 22:40 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-10-30 22:35 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Comment
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: 2026-10-30 22:35 UTC
Synoptic Period: 2100-2400
Active Warning: YES
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 22:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-10-30 22:23 UTC
Valid To: 2026-10-31 12:00 UTC
Warning Conditions: Onset
Comment
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: 2026-10-30 22:23 UTC
Valid To: 2026-10-31 12:00 UTC
Warning Conditions: Onset
Comment
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Issue Time: 2026-10-30 14:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3761
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026-10-29 16:30 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3761
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 1228 pfu
Max time: 2026-10-29 16:30 UTC
Issue Time: 2026-10-29 19:10 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Oct 30: None (Below G1) Oct 31: G1 (Minor) Nov 01: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment
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
Oct 30: None (Below G1) Oct 31: G1 (Minor) Nov 01: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment
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: 2026-10-29 16:14 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3760
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 2493 pfu
Max time: 2026-10-28 18:05 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
Continuation of Serial Number: 3760
Begin Time: 2026-10-23 11:40 UTC
Yesterday Maximum 2MeV Flux: 2493 pfu
Max time: 2026-10-28 18:05 UTC
Built 2026-11-01 01:18 from source
