SeadedLast update:
| Time UTC | DSCOVR | ACE | ||||
|---|---|---|---|---|---|---|
| Solar Wind | GSM | Solar Wind | GSM | |||
| Proton Density | Bulk Speed | Bz | Proton Density | Bulk Speed | Bz | |
| 19:11 | - | - | - | - | - | - |
| 19:10 | - | - | - | - | - | - |
| 19:09 | - | - | - | - | - | - |
| 19:08 | - | - | - | - | - | 1.0 |
| 19:07 | - | - | 0.83 | 1.1 | 486.9 | 0.8 |
| 19:06 | 1.00 | 490.8 | 1.17 | 1.0 | 490.8 | 1.2 |
| 19:05 | 0.95 | 491.2 | 1.51 | 0.9 | 491.2 | 1.5 |
| 19:04 | - | - | 1.66 | - | - | 1.7 |
| 19:03 | - | - | 1.48 | - | - | 1.5 |
| 19:02 | 0.90 | 489.9 | 1.21 | 0.9 | 489.9 | 1.2 |
| 19:01 | 1.04 | 490.8 | 1.37 | 1.0 | 490.8 | 1.4 |
| 19:00 | 1.28 | 493.1 | 1.55 | 1.3 | 493.1 | 1.5 |
| 18:59 | 1.10 | 495.5 | 1.77 | 1.1 | 495.5 | - |
| 18:58 | 1.35 | 502.6 | 1.70 | 1.3 | 502.6 | 1.7 |
| 18:57 | 1.85 | 507.7 | 1.09 | 1.9 | 507.7 | 1.1 |
| 18:56 | 1.49 | 504.8 | 1.29 | 1.5 | 504.8 | 1.3 |
| 18:55 | 0.75 | 486.2 | 1.78 | 0.7 | 486.2 | 1.8 |
| 18:54 | 0.82 | 501.8 | 1.77 | 0.8 | 501.8 | 1.8 |
| 18:53 | 1.42 | 516.2 | 2.04 | 1.4 | 516.2 | 2.0 |
| 18:52 | 0.50 | 479.4 | 2.15 | 0.5 | 479.4 | 2.1 |
| 18:51 | 1.85 | 498.9 | 2.09 | 1.8 | 498.9 | 2.1 |
| 18:50 | 1.60 | 495.8 | 1.14 | 1.6 | 495.8 | 1.1 |
| 18:49 | 1.23 | 502.8 | 0.23 | 1.2 | 502.8 | 0.2 |
| 18:48 | 1.16 | 509.8 | 1.53 | 1.2 | 509.8 | 1.5 |
| 18:47 | 0.80 | 496.5 | 1.96 | 0.8 | 496.5 | 2.0 |
| 18:46 | 0.56 | 489.3 | 2.08 | 0.6 | 489.3 | 2.1 |
| 18:45 | 0.62 | 496.3 | 2.35 | 0.6 | 496.3 | 2.3 |
| 18:44 | 0.62 | 495.9 | 2.50 | 0.6 | 495.9 | 2.5 |
| 18:43 | 0.67 | 496.1 | 2.37 | 0.7 | 496.1 | 2.4 |
| 18:42 | 0.73 | 494.9 | 2.06 | 0.7 | 494.9 | 2.1 |
| 18:41 | 0.82 | 497.6 | 2.12 | 0.8 | 497.6 | 2.1 |
| 18:40 | 1.38 | 509.1 | 1.91 | 1.4 | 509.1 | 1.9 |
| 18:39 | 1.10 | 509.6 | 1.60 | 1.1 | 509.6 | 1.6 |
| 18:38 | 1.60 | 521.0 | 1.01 | 1.6 | 521.0 | 1.0 |
| 18:37 | 1.55 | 510.0 | 0.86 | 1.5 | 510.0 | 0.9 |
| 18:36 | 1.41 | 511.8 | 0.87 | 1.4 | 511.8 | 0.9 |
| 18:35 | 1.27 | 514.9 | 1.22 | 1.3 | 514.9 | 1.2 |
| 18:34 | 1.25 | 516.0 | 1.82 | 1.3 | 516.0 | 1.8 |
| 18:33 | 1.30 | 515.1 | 1.49 | 1.3 | 515.1 | 1.5 |
| 18:32 | 1.39 | 519.1 | 1.55 | 1.4 | 519.1 | 1.6 |
| 18:31 | 1.46 | 523.6 | 1.37 | 1.5 | 523.6 | 1.4 |
| 18:30 | - | - | 1.21 | - | - | 1.2 |
| 18:29 | 1.49 | 522.0 | 1.13 | 1.5 | 522.0 | 1.1 |
| 18:28 | 1.54 | 523.7 | 0.76 | 1.5 | 523.7 | 0.8 |
| 18:27 | 1.74 | 528.7 | 0.27 | 1.7 | 528.7 | 0.3 |
| 18:26 | 1.94 | 529.0 | -0.36 | 1.9 | 529.0 | -0.4 |
| 18:25 | 1.94 | 530.1 | -0.39 | 1.9 | 530.1 | -0.4 |
| 18:24 | 2.14 | 530.9 | -0.91 | 2.1 | 530.9 | -0.9 |
| 18:23 | 1.96 | 517.9 | -0.49 | 2.0 | 517.9 | -0.5 |
| 18:22 | 1.35 | 517.5 | 1.48 | 1.4 | 517.5 | 1.5 |
| 18:21 | 1.55 | 509.8 | 1.44 | 1.5 | 509.8 | 1.4 |
| 18:20 | 1.90 | 521.1 | 1.19 | 1.9 | 521.1 | 1.2 |
| 18:19 | 1.05 | 501.5 | 1.04 | 1.0 | 501.5 | 1.0 |
| 18:18 | 1.83 | 509.3 | 0.91 | 1.8 | 509.3 | 0.9 |
| 18:17 | 1.64 | 506.0 | 0.51 | 1.6 | 506.0 | 0.5 |
| 18:16 | 1.86 | 511.8 | 0.70 | 1.9 | 511.8 | 0.7 |
| 18:15 | 2.08 | 517.3 | 0.51 | 2.1 | 517.3 | 0.5 |
| 18:14 | 1.39 | 507.9 | 0.56 | 1.4 | 507.9 | 0.6 |
| 18:13 | 1.50 | 513.7 | 0.80 | 1.5 | 513.7 | 0.8 |
| 18:12 | 1.53 | 514.7 | 0.86 | 1.5 | 514.7 | 0.9 |
| 18:11 | 0.68 | 493.3 | 0.92 | 0.7 | 493.3 | 0.9 |
| 18:10 | 1.46 | 515.3 | 1.38 | 1.5 | 515.3 | 1.4 |
| 18:09 | 1.61 | 532.1 | 1.59 | 1.6 | 532.1 | 1.6 |
| 18:08 | 1.37 | 510.6 | 1.82 | 1.4 | 510.6 | 1.8 |
| 18:07 | 1.51 | 501.5 | 1.21 | 1.5 | 501.5 | 1.2 |
| 18:06 | 1.19 | 501.3 | 1.46 | 1.2 | 501.3 | 1.5 |
| 18:05 | 1.47 | 496.9 | 1.39 | 1.5 | 496.9 | 1.4 |
| 18:04 | 1.77 | 498.9 | 1.09 | 1.8 | 498.9 | 1.1 |
| 18:03 | 1.68 | 506.5 | 0.58 | 1.7 | 506.5 | 0.6 |
| 18:02 | 1.75 | 504.5 | 1.13 | 1.8 | 504.5 | 1.1 |
| 18:01 | 1.79 | 498.8 | 0.76 | 1.8 | 498.8 | 0.8 |
| 18:00 | 1.72 | 500.7 | 0.05 | 1.7 | 500.7 | 0.1 |
| 17:59 | 1.59 | 507.4 | 0.27 | 1.6 | 507.4 | 0.3 |
| 17:58 | 1.64 | 513.0 | 0.11 | 1.6 | 513.0 | 0.1 |
| 17:57 | 1.90 | 516.7 | -0.44 | 1.9 | 516.7 | -0.4 |
| 17:56 | 1.40 | 514.5 | -0.64 | 1.4 | 514.5 | -0.6 |
| 17:55 | 1.50 | 515.7 | -0.39 | 1.5 | 515.7 | -0.4 |
| 17:54 | 1.97 | 521.6 | -0.20 | 2.0 | 521.6 | -0.2 |
| 17:53 | 1.89 | 523.1 | -0.63 | 1.9 | 523.1 | -0.6 |
| 17:52 | 2.01 | 521.5 | -1.02 | 2.0 | 521.5 | -1.0 |
| 17:51 | 0.92 | 510.6 | 0.44 | 0.9 | 510.6 | 0.4 |
| 17:50 | 0.62 | 508.9 | 2.47 | 0.6 | 508.9 | 2.5 |
| 17:49 | 0.81 | 510.6 | 2.75 | 0.8 | 510.6 | 2.7 |
| 17:48 | 0.66 | 511.3 | 2.81 | 0.7 | 511.3 | 2.8 |
| 17:47 | 0.77 | 509.6 | 2.99 | 0.8 | 509.6 | 3.0 |
| 17:46 | 0.78 | 508.3 | 3.05 | 0.8 | 508.3 | 3.0 |
| 17:45 | 1.03 | 514.2 | 2.52 | 1.0 | 514.2 | 2.5 |
| 17:44 | 1.33 | 511.4 | 1.72 | 1.3 | 511.4 | 1.7 |
| 17:43 | 1.35 | 504.1 | 2.13 | 1.3 | 504.1 | 2.1 |
| 17:42 | 1.48 | 502.8 | 2.01 | 1.5 | 502.8 | 2.0 |
| 17:41 | 2.04 | 506.6 | 1.08 | 2.0 | 506.6 | 1.1 |
| 17:40 | 2.41 | 517.7 | 1.28 | 2.4 | 517.7 | 1.3 |
| 17:39 | 2.16 | 517.9 | -0.54 | 2.2 | 517.9 | -0.5 |
| 17:38 | 1.77 | 509.6 | 0.28 | 1.8 | 509.6 | 0.3 |
| 17:37 | 1.91 | 514.3 | 0.29 | 1.9 | 514.3 | 0.3 |
| 17:36 | 2.15 | 519.4 | 0.79 | 2.1 | 519.4 | 0.8 |
| 17:35 | 2.21 | 518.8 | 0.78 | 2.2 | 518.8 | 0.8 |
| 17:34 | 1.15 | 497.2 | 0.43 | 1.2 | 497.2 | 0.4 |
| 17:33 | 1.21 | 494.4 | 0.35 | 1.2 | 494.4 | 0.4 |
| 17:32 | 2.37 | 520.6 | 0.24 | 2.4 | 520.6 | 0.2 |
| 17:31 | 1.52 | 506.0 | 0.36 | 1.5 | 506.0 | 0.4 |
| 17:30 | 1.30 | 502.5 | 0.32 | 1.3 | 502.5 | 0.3 |
| 17:29 | 1.53 | 504.2 | 0.83 | 1.5 | 504.2 | 0.8 |
| 17:28 | 1.58 | 507.6 | 0.85 | 1.6 | 507.6 | 0.9 |
| 17:27 | 1.66 | 511.3 | 0.87 | 1.7 | 511.3 | 0.9 |
| 17:26 | 1.70 | 510.9 | 0.70 | 1.7 | 510.9 | 0.7 |
| 17:25 | 1.64 | 510.5 | 0.80 | 1.6 | 510.5 | 0.8 |
| 17:24 | 1.81 | 510.7 | 0.71 | 1.8 | 510.7 | 0.7 |
| 17:23 | 1.32 | 524.6 | 0.89 | 1.3 | 524.6 | 0.9 |
| 17:22 | 1.41 | 524.2 | 0.63 | 1.4 | 524.2 | 0.6 |
| 17:21 | 2.07 | 521.1 | -0.44 | 2.1 | 521.1 | -0.4 |
| 17:20 | 1.67 | 519.2 | 0.35 | 1.7 | 519.2 | 0.4 |
| 17:19 | 1.72 | 520.4 | 0.71 | 1.7 | 520.4 | 0.7 |
| 17:18 | 1.53 | 513.1 | 0.60 | 1.5 | 513.1 | 0.6 |
| 17:17 | 1.70 | 509.7 | 0.72 | 1.7 | 509.7 | 0.7 |
| 17:16 | 1.68 | 510.7 | 0.89 | 1.7 | 510.7 | 0.9 |
| 17:15 | 1.54 | 510.2 | 0.93 | 1.5 | 510.2 | 0.9 |
| 17:14 | 1.39 | 509.7 | 1.57 | 1.4 | 509.7 | 1.6 |
| 17:13 | 1.61 | 512.9 | 1.22 | 1.6 | 512.9 | 1.2 |
| 17:12 | 1.89 | 519.1 | 0.66 | 1.9 | 519.1 | 0.7 |
Built 2025-09-18 19:12 from source
| Solar wind parameters of the latest hour by NOAA | |||
|---|---|---|---|
| parameter | min | max | mean |
| IMF Bz [nT] | -0.9 | 2.5 | 1.2 |
| velocity [km/s] | 479.4 | 532.1 | 508.8 |
| density [cm-3] | 0.5 | 2.1 | 1.4 |
| Geomagnetic activity (RX [nT]) | ||
|---|---|---|
| site | latest hour | next hour (RXmin, RXmax) |
| Kevo (KEV) | 28 | 5 | 263 |
| Maasi (MAS) | 26 | 5 | 235 |
| Kilpisjärvi (KIL) | - | 5 | 227 |
| Ivalo (IVA) | 14 | 4 | 233 |
| Muonio (MUO) | - | 4 | 191 |
| Sodankylä (SOD) | 7 | 5 | 258 |
| Pello (PEL) | 6 | 4 | 199 |
| Oulujärvi (OUJ) | 6 | 4 | 65 |
| Mekrijärvi (MEK) | 4 | 3 | 30 |
| Hankasalmi (HAN) | 4 | 3 | 39 |
| Nurmijärvi (NUR) | 5 | 3 | 36 |
| Tartu (TAR) | 5 | 3 | 24 |
| low | increased | moderate | high | very high |
Short explanation of the method
AurorasNow! (Finnish Meteorological Institute)Built 2025-09-18 19:02 from source
Issue Time: 2025-09-18 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3526
Begin Time: 2025-09-16 11:00 UTC
Yesterday Maximum 2MeV Flux: 4335 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3526
Begin Time: 2025-09-16 11:00 UTC
Yesterday Maximum 2MeV Flux: 4335 pfu
Issue Time: 2025-09-17 14:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5082
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-14 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: 5082
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-14 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: 2025-09-17 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3525
Begin Time: 2025-09-16 11:00 UTC
Yesterday Maximum 2MeV Flux: 3347 pfu
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3525
Begin Time: 2025-09-16 11:00 UTC
Yesterday Maximum 2MeV Flux: 3347 pfu
Issue Time: 2025-09-16 20:40 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5081
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-17 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: 5081
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-17 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: 2025-09-16 11:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5080
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-16 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: 5080
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-16 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: 2025-09-16 11:20 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-09-16 11:00 UTC
Station: GOES19
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2025-09-16 11:00 UTC
Station: GOES19
Issue Time: 2025-09-16 02:39 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2025-09-16 02:35 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: 2025-09-16 02:35 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: 2025-09-15 22:41 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5079
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-16 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: 5079
Valid From: 2025-09-14 20:15 UTC
Now Valid Until: 2025-09-16 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: 2025-09-15 22:05 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2101
Valid From: 2025-09-14 23:30 UTC
Now Valid Until: 2025-09-16 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: 2101
Valid From: 2025-09-14 23:30 UTC
Now Valid Until: 2025-09-16 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: 2025-09-15 20:58 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 16: G1 (Minor) Sep 17: None (Below G1) Sep 18: None (Below G1)
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
Sep 16: G1 (Minor) Sep 17: None (Below G1) Sep 18: None (Below G1)
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.
Built 2025-09-18 18:31 from source
