SettingsLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 05:13 | - | - | - | - | - | - |
| 05:12 | - | - | - | - | - | - |
| 05:11 | - | - | -1.21 | - | - | - |
| 05:10 | 3.66 | 398.0 | -1.43 | - | - | - |
| 05:09 | 3.27 | 389.9 | -1.48 | - | - | - |
| 05:08 | 2.89 | 386.4 | -1.43 | 2.9 | 386.4 | -1.4 |
| 05:07 | 3.15 | 394.6 | -1.49 | 3.2 | 394.6 | -1.5 |
| 05:06 | 2.61 | 385.1 | -1.28 | 2.6 | 385.1 | -1.3 |
| 05:05 | 2.37 | 379.5 | -1.64 | 2.4 | 379.5 | -1.6 |
| 05:04 | 2.81 | 389.8 | -1.52 | 2.8 | 389.8 | -1.5 |
| 05:03 | 2.66 | 393.5 | -1.59 | 2.7 | 393.5 | -1.6 |
| 05:02 | 3.16 | 402.6 | -1.83 | 3.2 | 402.6 | -1.8 |
| 05:01 | 3.52 | 397.7 | -1.94 | 3.5 | 397.7 | -1.9 |
| 05:00 | 3.38 | 395.1 | -1.72 | 3.4 | 395.1 | -1.7 |
| 04:59 | 2.44 | 383.7 | -1.73 | 2.4 | 383.7 | -1.7 |
| 04:58 | 3.18 | 396.7 | -1.76 | 3.2 | 396.7 | -1.8 |
| 04:57 | 3.60 | 401.4 | -2.05 | 3.6 | 401.4 | -2.0 |
| 04:56 | 3.61 | 399.5 | -2.03 | 3.6 | 399.5 | -2.0 |
| 04:55 | 2.76 | 388.6 | -2.02 | 2.8 | 388.6 | -2.0 |
| 04:54 | 3.06 | 393.5 | -1.98 | 3.1 | 393.5 | -2.0 |
| 04:53 | 3.01 | 385.6 | -1.63 | 3.0 | 385.6 | -1.6 |
| 04:52 | 3.12 | 389.8 | -1.49 | 3.1 | 389.8 | -1.5 |
| 04:51 | 3.20 | 392.0 | -1.43 | 3.2 | 392.0 | -1.4 |
| 04:50 | 3.29 | 393.1 | -1.34 | 3.3 | 393.1 | -1.3 |
| 04:49 | 2.81 | 389.2 | -1.61 | 2.8 | 389.2 | -1.6 |
| 04:48 | 3.20 | 392.3 | -2.38 | 3.2 | 392.3 | -2.4 |
| 04:47 | 4.37 | 404.2 | -2.56 | 4.4 | 404.2 | -2.6 |
| 04:46 | 3.13 | 391.8 | -1.51 | 3.1 | 391.8 | -1.5 |
| 04:45 | 1.96 | 375.9 | -0.14 | 2.0 | 375.9 | -0.1 |
| 04:44 | 2.06 | 377.2 | -0.11 | 2.1 | 377.2 | -0.1 |
| 04:43 | 2.89 | 387.8 | -0.38 | 2.9 | 387.8 | -0.4 |
| 04:42 | 4.30 | 399.6 | -0.38 | 4.3 | 399.6 | -0.4 |
| 04:41 | 5.55 | 408.1 | -0.94 | 5.6 | 408.1 | -0.9 |
| 04:40 | 3.26 | 390.3 | -0.98 | 3.3 | 390.3 | -1.0 |
| 04:39 | 2.51 | 381.9 | -1.62 | 2.5 | 381.9 | -1.6 |
| 04:38 | 3.78 | 396.6 | -1.23 | 3.8 | 396.6 | -1.2 |
| 04:37 | 5.21 | 406.8 | -1.13 | 5.2 | 406.8 | -1.1 |
| 04:36 | 4.06 | 393.9 | -1.33 | 4.1 | 393.9 | -1.3 |
| 04:35 | 2.81 | 382.7 | -1.26 | 2.8 | 382.7 | -1.3 |
| 04:34 | 3.28 | 389.7 | -1.45 | 3.3 | 389.7 | -1.4 |
| 04:33 | 4.47 | 401.3 | -1.37 | 4.5 | 401.3 | -1.4 |
| 04:32 | 5.14 | 406.5 | -0.98 | 5.1 | 406.5 | -1.0 |
| 04:31 | 4.49 | 402.0 | -0.79 | 4.5 | 402.0 | -0.8 |
| 04:30 | 3.08 | 391.2 | -0.04 | 3.1 | 391.2 | -0.0 |
| 04:29 | 3.80 | 396.3 | 0.04 | 3.8 | 396.3 | 0.0 |
| 04:28 | 2.53 | 376.0 | -0.08 | 2.5 | 376.0 | -0.1 |
| 04:27 | 4.76 | 401.0 | 0.14 | 4.8 | 401.0 | 0.1 |
| 04:26 | 4.15 | 396.3 | 0.11 | 4.2 | 396.3 | 0.1 |
| 04:25 | 4.47 | 400.3 | -0.15 | 4.5 | 400.3 | -0.1 |
| 04:24 | 4.64 | 400.1 | -0.20 | 4.6 | 400.1 | -0.2 |
| 04:23 | 4.43 | 398.0 | -0.34 | 4.4 | 398.0 | -0.3 |
| 04:22 | 4.18 | 397.4 | -0.34 | 4.2 | 397.4 | -0.3 |
| 04:21 | 4.34 | 400.0 | -0.07 | 4.3 | 400.0 | -0.1 |
| 04:20 | 4.77 | 404.3 | 0.17 | 4.8 | 404.3 | 0.2 |
| 04:19 | 4.41 | 401.5 | -0.02 | 4.4 | 401.5 | -0.0 |
| 04:18 | 4.24 | 398.9 | 0.23 | 4.2 | 398.9 | 0.2 |
| 04:17 | 4.62 | 401.7 | 0.21 | 4.6 | 401.7 | 0.2 |
| 04:16 | 4.93 | 404.9 | -0.39 | 4.9 | 404.9 | -0.4 |
| 04:15 | 4.96 | 405.9 | -2.15 | 5.0 | 405.9 | -2.2 |
| 04:14 | 4.48 | 402.3 | -2.87 | 4.5 | 402.3 | -2.9 |
| 04:13 | 3.64 | 388.9 | -2.82 | 3.6 | 388.9 | -2.8 |
| 04:12 | 4.49 | 415.9 | -3.03 | 4.5 | 415.9 | -3.0 |
| 04:11 | 4.46 | 415.0 | -2.98 | 4.5 | 415.0 | -3.0 |
| 04:10 | 3.77 | 397.8 | -3.55 | 3.8 | 397.8 | -3.6 |
| 04:09 | 4.09 | 402.6 | -3.51 | 4.1 | 402.6 | -3.5 |
| 04:08 | 4.37 | 404.5 | -3.34 | 4.4 | 404.5 | -3.3 |
| 04:07 | 4.23 | 402.8 | -3.45 | 4.2 | 402.8 | -3.4 |
| 04:06 | 3.64 | 398.2 | -3.19 | 3.6 | 398.2 | -3.2 |
| 04:05 | 3.72 | 403.7 | -3.44 | 3.7 | 403.7 | -3.4 |
| 04:04 | 4.39 | 404.3 | -2.67 | 4.4 | 404.3 | -2.7 |
| 04:03 | 3.64 | 395.2 | -2.74 | 3.6 | 395.2 | -2.7 |
| 04:02 | 3.43 | 393.9 | -3.10 | 3.4 | 393.9 | -3.1 |
| 04:01 | 3.62 | 398.8 | -2.88 | 3.6 | 398.8 | -2.9 |
| 04:00 | 3.22 | 399.6 | -3.03 | 3.2 | 399.6 | -3.0 |
| 03:59 | 4.18 | 421.8 | -3.08 | 4.2 | 421.8 | -3.1 |
| 03:58 | 3.87 | 414.4 | -4.40 | 3.9 | 414.4 | -4.4 |
| 03:57 | 3.12 | 390.7 | -4.09 | 3.1 | 390.7 | -4.1 |
| 03:56 | 3.73 | 406.8 | -4.03 | 3.7 | 406.8 | -4.0 |
| 03:55 | 4.05 | 402.5 | -3.72 | 4.0 | 402.5 | -3.7 |
| 03:54 | 4.53 | 403.8 | -3.62 | 4.5 | 403.8 | -3.6 |
| 03:53 | 2.56 | 384.8 | -3.19 | 2.6 | 384.8 | -3.2 |
| 03:52 | 4.54 | 409.3 | -2.77 | 4.5 | 409.3 | -2.8 |
| 03:51 | 5.34 | 420.1 | -3.73 | 5.3 | 420.1 | -3.7 |
| 03:50 | 3.75 | 404.2 | -3.68 | 3.8 | 404.2 | -3.7 |
| 03:49 | 3.38 | 399.4 | -3.38 | 3.4 | 399.4 | -3.4 |
| 03:48 | 4.39 | 410.2 | -3.19 | 4.4 | 410.2 | -3.2 |
| 03:47 | 4.91 | 416.0 | -2.87 | 4.9 | 416.0 | -2.9 |
| 03:46 | 3.12 | 397.6 | -3.07 | 3.1 | 397.6 | -3.1 |
| 03:45 | 3.18 | 397.9 | -2.66 | 3.2 | 397.9 | -2.7 |
| 03:44 | 3.61 | 403.0 | -2.08 | 3.6 | 403.0 | -2.1 |
| 03:43 | 4.08 | 408.4 | -1.79 | 4.1 | 408.4 | -1.8 |
| 03:42 | 3.23 | 395.4 | -1.83 | 3.2 | 395.4 | -1.8 |
| 03:41 | 1.69 | 375.2 | -1.73 | 1.7 | 375.2 | -1.7 |
| 03:40 | 3.01 | 394.3 | -1.94 | 3.0 | 394.3 | -1.9 |
| 03:39 | 4.22 | - | -1.53 | 4.2 | - | -1.5 |
| 03:38 | 4.22 | 401.6 | -1.44 | 4.2 | 401.6 | -1.4 |
| 03:37 | 3.03 | 387.6 | -1.64 | 3.0 | 387.6 | -1.6 |
| 03:36 | 3.42 | 400.6 | -1.89 | 3.4 | 400.6 | -1.9 |
| 03:35 | 3.90 | 406.1 | -2.00 | 3.9 | 406.1 | -2.0 |
| 03:34 | 4.34 | 413.6 | -1.55 | 4.3 | 413.6 | -1.5 |
| 03:33 | 2.94 | 398.9 | -0.85 | 2.9 | 398.9 | -0.9 |
| 03:32 | 2.52 | 388.2 | -0.27 | 2.5 | 388.2 | -0.3 |
| 03:31 | 2.86 | 384.6 | -1.09 | 2.9 | 384.6 | -1.1 |
| 03:30 | 4.00 | 394.3 | -0.76 | 4.0 | 394.3 | -0.8 |
| 03:29 | 3.94 | 400.5 | 0.26 | 3.9 | 400.5 | 0.3 |
| 03:28 | 3.01 | 401.9 | 1.88 | 3.0 | 401.9 | 1.9 |
| 03:27 | 3.39 | 410.9 | 1.95 | 3.4 | 410.9 | 2.0 |
| 03:26 | 3.19 | 407.5 | 1.90 | 3.2 | 407.5 | 1.9 |
| 03:25 | 2.85 | 402.2 | 2.03 | 2.9 | 402.2 | 2.0 |
| 03:24 | 3.32 | 399.3 | 1.48 | 3.3 | 399.3 | 1.5 |
| 03:23 | 3.90 | 407.3 | 0.77 | 3.9 | 407.3 | 0.8 |
| 03:22 | 3.65 | 412.1 | 0.60 | 3.7 | 412.1 | 0.6 |
| 03:21 | 4.43 | 410.7 | 1.07 | 4.4 | 410.7 | 1.1 |
| 03:20 | 4.03 | 400.9 | -0.15 | 4.0 | 400.9 | -0.1 |
| 03:19 | 3.78 | 405.0 | 0.56 | 3.8 | 405.0 | 0.6 |
| 03:18 | 4.53 | 408.0 | 0.28 | 4.5 | 408.0 | 0.3 |
| 03:17 | 3.98 | 408.4 | 0.45 | 4.0 | 408.4 | 0.4 |
| 03:16 | 3.71 | 404.9 | 0.63 | 3.7 | 404.9 | 0.6 |
| 03:15 | 3.83 | 405.6 | 0.84 | 3.8 | 405.6 | 0.8 |
| 03:14 | 4.11 | 410.3 | 0.72 | 4.1 | 410.3 | 0.7 |
Built 2025-05-11 05:14 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -4.4 | 0.2 | -1.6 |
| velocity [km/s] | 375.9 | 421.8 | 397.4 |
| density [cm-3] | 2.0 | 5.5 | 3.8 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 278 | 6 | 87 |
| Maasi (MAS) | 313 | 6 | 85 |
| Kilpisjärvi (KIL) | 313 | 6 | 87 |
| Ivalo (IVA) | 157 | 5 | 66 |
| Muonio (MUO) | 166 | 5 | 70 |
| Sodankylä (SOD) | 89 | 5 | 52 |
| Pello (PEL) | - | 5 | 50 |
| Oulujärvi (OUJ) | 20 | 4 | 27 |
| Mekrijärvi (MEK) | 8 | 3 | 16 |
| Hankasalmi (HAN) | 12 | 3 | 21 |
| Nurmijärvi (NUR) | 7 | 3 | 20 |
| Tartu (TAR) | 8 | 2 | 17 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-05-11 05:02 from source
Issue Time: 2025-05-11 04:20 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-05-11 04:20 UTC
Valid To: 2025-05-11 15:00 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: 2025-05-11 04:20 UTC
Valid To: 2025-05-11 15:00 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: 2025-05-10 10:26 UTC
CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 2039
Original Issue Time: 2025-05-09 23:48 UTC
Comment: Geomagnetic K-index of 5 no longer expected.
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.
CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 2039
Original Issue Time: 2025-05-09 23:48 UTC
Comment: Geomagnetic K-index of 5 no longer expected.
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: 2025-05-10 06:06 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4958
Valid From: 2025-05-09 19:53 UTC
Now Valid Until: 2025-05-10 18:00 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: 4958
Valid From: 2025-05-09 19:53 UTC
Now Valid Until: 2025-05-10 18:00 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: 2025-05-10 05:59 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2038
Valid From: 2025-05-09 23:48 UTC
Now Valid Until: 2025-05-10 12:00 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: 2038
Valid From: 2025-05-09 23:48 UTC
Now Valid Until: 2025-05-10 12:00 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: 2025-05-09 23:48 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-05-09 23:48 UTC
Valid To: 2025-05-10 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: 2025-05-09 23:48 UTC
Valid To: 2025-05-10 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: 2025-05-09 19:57 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-05-09 19:56 UTC
Synoptic Period: 1800-2100 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: 2025-05-09 19:56 UTC
Synoptic Period: 1800-2100 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: 2025-05-09 19:56 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-05-09 19:53 UTC
Valid To: 2025-05-10 12:00 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: 2025-05-09 19:53 UTC
Valid To: 2025-05-10 12:00 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: 2025-05-09 06:42 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3462
Begin Time: 2025-05-02 13:30 UTC
Yesterday Maximum 2MeV Flux: 15854 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3462
Begin Time: 2025-05-02 13:30 UTC
Yesterday Maximum 2MeV Flux: 15854 pfu
Issue Time: 2025-05-08 22:34 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-05-08 22:34 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: 2025-05-08 22:34 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: 2025-05-08 22:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-05-08 22:24 UTC
Valid To: 2025-05-09 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: 2025-05-08 22:24 UTC
Valid To: 2025-05-09 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.
Built 2025-05-11 05:02 from source
