SettingsLast update:
Time UTC | DSCOVR | ACE | ||||
---|---|---|---|---|---|---|
Solar Wind | GSM | Solar Wind | GSM | |||
Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
03:44 | - | - | - | - | - | - |
03:43 | 0.47 | 384.0 | - | - | - | - |
03:42 | 1.03 | 396.0 | - | - | - | - |
03:41 | 0.88 | 401.8 | - | - | - | - |
03:40 | 1.52 | 396.2 | 2.74 | - | - | - |
03:39 | 1.89 | 401.6 | 2.92 | - | - | - |
03:38 | 1.22 | 390.9 | 3.02 | - | - | - |
03:37 | 2.05 | 404.8 | 3.24 | - | - | - |
03:36 | 1.33 | 390.2 | 3.01 | - | - | - |
03:35 | 1.24 | 394.2 | 3.20 | - | - | - |
03:34 | 1.28 | 398.4 | 3.19 | - | - | - |
03:33 | 1.34 | 398.1 | 1.68 | - | - | - |
03:32 | 1.22 | 393.4 | -0.74 | - | - | - |
03:31 | 1.01 | 390.5 | 0.02 | - | - | - |
03:30 | 0.94 | 389.5 | 0.26 | - | - | - |
03:29 | 0.68 | 379.1 | -0.02 | - | - | - |
03:28 | 0.89 | 402.4 | 1.00 | - | - | - |
03:27 | 0.88 | 402.2 | 0.39 | 0.9 | 402.2 | 0.4 |
03:26 | 0.81 | 400.8 | 1.59 | 0.8 | 400.8 | 1.6 |
03:25 | 0.92 | 406.1 | 1.79 | 0.9 | 406.1 | 1.8 |
03:24 | 0.59 | 386.3 | 2.16 | 0.6 | 386.3 | 2.2 |
03:23 | 0.96 | 404.5 | 2.38 | 1.0 | 404.5 | 2.4 |
03:22 | 1.03 | 400.7 | 2.19 | 1.0 | 400.7 | 2.2 |
03:21 | 1.19 | 404.9 | 1.99 | 1.2 | 404.9 | 2.0 |
03:20 | 1.10 | 387.7 | 1.16 | 1.1 | 387.7 | 1.2 |
03:19 | 1.43 | 390.2 | -1.15 | 1.4 | 390.2 | -1.1 |
03:18 | 1.55 | 397.7 | -1.09 | 1.6 | 397.7 | -1.1 |
03:17 | 1.29 | 391.8 | -0.53 | 1.3 | 391.8 | -0.5 |
03:16 | 1.26 | 385.5 | -1.23 | 1.3 | 385.5 | -1.2 |
03:15 | 1.33 | 388.6 | -1.49 | 1.3 | 388.6 | -1.5 |
03:14 | 1.38 | 393.3 | -1.57 | 1.4 | 393.3 | -1.6 |
03:13 | 1.62 | 393.5 | -1.05 | 1.6 | 393.5 | -1.1 |
03:12 | 1.11 | 388.4 | -1.05 | 1.1 | 388.4 | -1.0 |
03:11 | 1.12 | 393.9 | -0.43 | 1.1 | 393.9 | -0.4 |
03:10 | 1.26 | 394.3 | -0.24 | 1.3 | 394.3 | -0.2 |
03:09 | 1.46 | 393.0 | -0.59 | 1.5 | 393.0 | -0.6 |
03:08 | 1.16 | 390.3 | 1.66 | 1.2 | 390.3 | 1.7 |
03:07 | 1.09 | 391.8 | -0.23 | 1.1 | 391.8 | -0.2 |
03:06 | 1.16 | 394.7 | 0.04 | 1.2 | 394.7 | 0.0 |
03:05 | 1.12 | 392.5 | 0.17 | 1.1 | 392.5 | 0.2 |
03:04 | 1.62 | 394.9 | -0.08 | 1.6 | 394.9 | -0.1 |
03:03 | 1.76 | 395.0 | -2.57 | 1.8 | 395.0 | -2.6 |
03:02 | 1.86 | 398.8 | -3.18 | 1.9 | 398.8 | -3.2 |
03:01 | 1.47 | 391.6 | -3.16 | 1.5 | 391.6 | -3.2 |
03:00 | 1.19 | 388.4 | -2.79 | 1.2 | 388.4 | -2.8 |
02:59 | 1.32 | 393.3 | -2.21 | 1.3 | 393.3 | -2.2 |
02:58 | 1.25 | 394.6 | -1.34 | 1.3 | 394.6 | -1.3 |
02:57 | 1.10 | 396.1 | -0.76 | 1.1 | 396.1 | -0.8 |
02:56 | 0.95 | 381.0 | -0.41 | 0.9 | 381.0 | -0.4 |
02:55 | 1.00 | 395.8 | 0.01 | 1.0 | 395.8 | 0.0 |
02:54 | 0.98 | 394.8 | 0.79 | 1.0 | 394.8 | 0.8 |
02:53 | 0.72 | 380.9 | 0.47 | 0.7 | 380.9 | 0.5 |
02:52 | 1.10 | 399.6 | -0.67 | 1.1 | 399.6 | -0.7 |
02:51 | 1.21 | 395.7 | 0.89 | 1.2 | 395.7 | 0.9 |
02:50 | 1.18 | 392.5 | 1.25 | 1.2 | 392.5 | 1.2 |
02:49 | 0.84 | 383.8 | 1.31 | 0.8 | 383.8 | 1.3 |
02:48 | 1.13 | 395.6 | 1.29 | 1.1 | 395.6 | 1.3 |
02:47 | 1.27 | 399.2 | 1.36 | 1.3 | 399.2 | 1.4 |
02:46 | 0.89 | 389.0 | 1.73 | 0.9 | 389.0 | 1.7 |
02:45 | 0.76 | 387.8 | 2.03 | 0.8 | 387.8 | 2.0 |
02:44 | 0.99 | 396.4 | 2.35 | 1.0 | 396.4 | 2.4 |
02:43 | 1.07 | 398.2 | 2.49 | 1.1 | 398.2 | 2.5 |
02:42 | 0.90 | 391.6 | 2.48 | 0.9 | 391.6 | 2.5 |
02:41 | 0.87 | 391.4 | 2.46 | 0.9 | 391.4 | 2.5 |
02:40 | 1.18 | 404.0 | 2.98 | 1.2 | 404.0 | 3.0 |
02:39 | 1.17 | 399.6 | 3.10 | 1.2 | 399.6 | 3.1 |
02:38 | 1.11 | 396.5 | 1.99 | 1.1 | 396.5 | 2.0 |
02:37 | 0.92 | 396.3 | 2.15 | 0.9 | 396.3 | 2.1 |
02:36 | 1.18 | 404.6 | 2.91 | 1.2 | 404.6 | 2.9 |
02:35 | 1.16 | 408.0 | 2.91 | 1.2 | 408.0 | 2.9 |
02:34 | 1.09 | 394.0 | 2.99 | 1.1 | 394.0 | 3.0 |
02:33 | 1.08 | 397.5 | 2.90 | 1.1 | 397.5 | 2.9 |
02:32 | 1.49 | 401.1 | 1.76 | 1.5 | 401.1 | 1.8 |
02:31 | 1.49 | 401.4 | -0.37 | 1.5 | 401.4 | -0.4 |
02:30 | 0.95 | 388.7 | 0.28 | 1.0 | 388.7 | 0.3 |
02:29 | 0.97 | 392.3 | 1.04 | 1.0 | 392.3 | 1.0 |
02:28 | 1.22 | 400.2 | 1.26 | 1.2 | 400.2 | 1.3 |
02:27 | 1.14 | 396.5 | 1.08 | 1.1 | 396.5 | 1.1 |
02:26 | 1.15 | 397.5 | 1.51 | 1.1 | 397.5 | 1.5 |
02:25 | 1.27 | 404.1 | 1.77 | 1.3 | 404.1 | 1.8 |
02:24 | 1.08 | 401.7 | 2.20 | 1.1 | 401.7 | 2.2 |
02:23 | 0.30 | 372.6 | 2.41 | 0.3 | 372.6 | 2.4 |
02:22 | 1.14 | 404.9 | 2.26 | 1.1 | 404.9 | 2.3 |
02:21 | 1.14 | 404.9 | 2.00 | 1.1 | 404.9 | 2.0 |
02:20 | 1.22 | 401.4 | 2.10 | 1.2 | 401.4 | 2.1 |
02:19 | 1.37 | 406.5 | 2.03 | 1.4 | 406.5 | 2.0 |
02:18 | 1.15 | 401.5 | 1.83 | 1.2 | 401.5 | 1.8 |
02:17 | 1.36 | 404.9 | 2.15 | 1.4 | 404.9 | 2.2 |
02:16 | 1.41 | 404.5 | 2.39 | 1.4 | 404.5 | 2.4 |
02:15 | 0.89 | 388.6 | 2.73 | 0.9 | 388.6 | 2.7 |
02:14 | 0.90 | 391.4 | 2.87 | 0.9 | 391.4 | 2.9 |
02:13 | 1.22 | 402.4 | 2.56 | 1.2 | 402.4 | 2.6 |
02:12 | 1.33 | 406.0 | 2.87 | 1.3 | 406.0 | 2.9 |
02:11 | 0.58 | 381.7 | 3.08 | 0.6 | 381.7 | 3.1 |
02:10 | 0.72 | 387.1 | - | 0.7 | 387.1 | - |
02:09 | 1.03 | 397.7 | 3.37 | 1.0 | 397.7 | 3.4 |
02:08 | 1.22 | 395.9 | 3.30 | 1.2 | 395.9 | 3.3 |
02:07 | 1.55 | 390.3 | 3.07 | 1.6 | 390.3 | 3.1 |
02:06 | 1.38 | 392.2 | 2.68 | 1.4 | 392.2 | 2.7 |
02:05 | 1.24 | 395.9 | 2.62 | 1.2 | 395.9 | 2.6 |
02:04 | 1.24 | 393.9 | 2.42 | 1.2 | 393.9 | 2.4 |
02:03 | 1.20 | 398.1 | 2.43 | 1.2 | 398.1 | 2.4 |
02:02 | 1.08 | 398.2 | 2.60 | 1.1 | 398.2 | 2.6 |
02:01 | 1.06 | 398.8 | 2.68 | 1.1 | 398.8 | 2.7 |
02:00 | 1.33 | 392.5 | 0.77 | 1.3 | 392.5 | 0.8 |
01:59 | 1.38 | 392.5 | -0.56 | 1.4 | 392.5 | -0.6 |
01:58 | 1.42 | 390.3 | -1.12 | 1.4 | 390.3 | -1.1 |
01:57 | 1.47 | 389.8 | -0.91 | 1.5 | 389.8 | -0.9 |
01:56 | 1.35 | 393.2 | -0.97 | 1.3 | 393.2 | -1.0 |
01:55 | 1.23 | 394.6 | -0.82 | 1.2 | 394.6 | -0.8 |
01:54 | 1.28 | 393.7 | 0.08 | 1.3 | 393.7 | 0.1 |
01:53 | 1.28 | 394.3 | -0.11 | 1.3 | 394.3 | -0.1 |
01:52 | 1.31 | 394.8 | -0.24 | 1.3 | 394.8 | -0.2 |
01:51 | 1.14 | 394.1 | -0.45 | 1.1 | 394.1 | -0.4 |
01:50 | 1.17 | 395.2 | -0.24 | 1.2 | 395.2 | -0.2 |
01:49 | - | - | 0.14 | - | - | 0.1 |
01:48 | - | - | -0.32 | - | - | -0.3 |
01:47 | 1.30 | 394.4 | -0.47 | 1.3 | 394.4 | -0.5 |
01:46 | 1.34 | 393.6 | -0.02 | 1.3 | 393.6 | -0.0 |
01:45 | 1.28 | 392.9 | -0.31 | 1.3 | 392.9 | -0.3 |
Built 2025-07-10 03:45 from source
Solar wind parameters of the latest hour by NOAA | |||
---|---|---|---|
parameter | min | max | mean |
IMF Bz [nT] | -3.2 | 3.1 | 0.6 |
velocity [km/s] | 380.9 | 408.0 | 394.7 |
density [cm-3] | 0.6 | 1.9 | 1.2 |
Geomagnetic activity (RX [nT]) | ||
---|---|---|
site | latest hour | next hour (RXmin, RXmax) |
Kevo (KEV) | 16 | 3 | 95 |
Maasi (MAS) | 17 | 3 | 94 |
Kilpisjärvi (KIL) | 20 | 3 | 100 |
Ivalo (IVA) | 13 | 3 | 59 |
Muonio (MUO) | 18 | 3 | 59 |
Sodankylä (SOD) | 16 | 3 | 46 |
Pello (PEL) | 16 | 3 | 44 |
Oulujärvi (OUJ) | 11 | 2 | 24 |
Mekrijärvi (MEK) | 6 | 2 | 12 |
Hankasalmi (HAN) | 7 | 2 | 16 |
Nurmijärvi (NUR) | 6 | 2 | 17 |
Tartu (TAR) | 5 | 1 | 11 |
low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-07-10 03:32 from source
Issue Time: 2025-07-09 14:33 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-07-09 14:25 UTC
Station: GOES-19
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-07-09 14:25 UTC
Station: GOES-19
Issue Time: 2025-07-08 06:03 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-07-08 05:59 UTC
Synoptic Period: 0300-0600 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: 2025-07-08 05:59 UTC
Synoptic Period: 0300-0600 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: 2025-07-08 05:43 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5026
Valid From: 2025-07-07 23:21 UTC
Now Valid Until: 2025-07-08 15:00 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: 5026
Valid From: 2025-07-07 23:21 UTC
Now Valid Until: 2025-07-08 15:00 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: 2025-07-07 23:21 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-07-07 23:21 UTC
Valid To: 2025-07-08 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: 2025-07-07 23:21 UTC
Valid To: 2025-07-08 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: 2025-07-07 05:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5024
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 5024
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 2025-07-07 05:49 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2073
Valid From: 2025-07-06 23:20 UTC
Now Valid Until: 2025-07-07 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: 2073
Valid From: 2025-07-06 23:20 UTC
Now Valid Until: 2025-07-07 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: 2025-07-07 01:51 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2025-07-07 01:50 UTC
Valid To: 2025-07-07 06:00 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: 2025-07-07 01:50 UTC
Valid To: 2025-07-07 06:00 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: 2025-07-07 01:25 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-07 01:24 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: 2025-07-07 01:24 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: 2025-07-06 23:53 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-07-06 23:50 UTC
Synoptic Period: 2100-2400 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: 2025-07-06 23:50 UTC
Synoptic Period: 2100-2400 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: 2025-07-06 23:41 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5023
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 5023
Valid From: 2025-07-04 22:48 UTC
Now Valid Until: 2025-07-07 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: 2025-07-06 23:21 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2025-07-06 23:20 UTC
Valid To: 2025-07-07 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: 2025-07-06 23:20 UTC
Valid To: 2025-07-07 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.
Built 2025-07-09 14:36 from source