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SeadedLast update:
Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
08:23------
08:22------
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08:20------
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08:12------
08:11------
08:10------
08:09------
08:08---0.4417.93.5
08:07---1.6475.13.6
08:06---0.3459.41.2
08:05---0.2470.2-0.9
08:04---0.1464.9-0.2
08:03---0.1469.11.3
08:02---0.1476.22.1
08:01---0.1467.52.4
08:00---0.1450.52.6
07:59---0.1447.02.1
07:58---0.1458.41.5
07:57---0.1469.22.6
07:56---0.1466.23.2
07:55---0.1442.31.7
07:54---0.1434.62.6
07:53---0.1434.53.5
07:52---0.1451.54.1
07:51---0.1-2.7
07:50---0.1439.60.8
07:49---0.1445.21.2
07:48---1.5455.21.8
07:47---1.1445.20.8
07:46---0.5436.4-2.7
07:45---0.7435.0-2.1
07:44---0.8418.2-1.3
07:43---0.9410.2-2.7
07:42---0.9424.1-2.7
07:41---0.2434.9-1.4
07:40---0.1448.61.5
07:39---0.2456.82.4
07:38---0.9442.12.9
07:37---0.5444.6-2.2
07:36---0.2464.60.3
07:35---0.2440.50.4
07:34---0.3453.20.0
07:33---0.2447.60.1
07:32---0.3418.6-0.1
07:31---0.4426.4-1.3
07:30---1.2432.8-1.6
07:29---1.4425.8-2.7
07:28---0.8416.0-2.7
07:27---0.4416.2-1.6
07:26---0.6432.1-1.6
07:25---0.9439.9-1.8
07:24---0.5420.5-1.1
07:23---0.4422.5-1.5
07:22---0.6440.1-1.3
07:21---0.4421.2-0.8
07:20---0.7435.4-0.2
07:19---0.2421.3-2.5
07:18---0.2421.1-1.2
07:17---0.3435.8-0.6
07:16---0.2451.5-0.9
07:15---0.1451.20.4
07:14---0.1465.62.4
07:13---0.1456.61.9
07:12---0.8444.60.9
07:11---1.1442.80.9
07:10---0.9440.1-0.7
07:09---1.0443.1-1.1
07:08---0.5454.0-0.7
07:07---0.6459.8-0.9
07:06---1.1419.30.9
07:05---1.2420.7-3.4
07:04---0.7427.6-3.4
07:03---0.2431.7-2.2
07:02---1.5420.0-1.3
07:01---0.3419.00.5
07:00---0.1436.30.7
06:59---0.6419.23.3
06:58---0.7430.83.6
06:57---0.4420.73.2
06:56---0.2405.92.9
06:55---0.4407.31.9
06:54---0.7413.0-0.1
06:53---1.0422.6-1.0
06:52---1.3429.1-2.8
06:51---1.1425.4-3.6
06:50---0.5406.4-3.1
06:49---0.7420.9-3.4
06:48---0.8441.4-3.6
06:47---1.0417.5-3.6
06:46---0.8436.6-3.1
06:45---0.8438.3-1.8
06:44---1.4438.01.7
06:43---0.9424.21.1
06:42---0.9435.60.1
06:41---0.5431.7-1.8
06:40---0.7412.4-0.3
06:39---1.0418.9-0.4
06:38---0.8440.1-2.0
06:37---0.7431.3-3.7
06:36---0.4406.5-2.3
06:35---0.9414.3-2.5
06:34---1.5436.8-4.0
06:33---1.0441.8-4.3
06:32---0.7413.6-3.7
06:31---1.0436.5-3.9
06:30---1.8449.6-3.9
06:29---1.7436.9-3.9
06:28---1.4434.5-1.4
06:27---1.3430.1-2.5
06:26---0.9433.2-3.0
06:25---0.6429.9-2.7
06:24---0.6425.2-2.6
Built 2026-03-12 08:24 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-2.74.10.4
velocity [km/s]410.2476.2441.8
density [cm-3]0.11.60.4
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)33439
Maasi (MAS)31439
Kilpisjärvi (KIL)32540
Ivalo (IVA)34433
Muonio (MUO)29434
Sodankylä (SOD)30433
Pello (PEL)28431
Oulujärvi (OUJ)26425
Mekrijärvi (MEK)20319
Hankasalmi (HAN)25320
Nurmijärvi (NUR)24421
Tartu (TAR)20217
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-03-12 08:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-03-11 21:52 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Mar 12: None (Below G1) Mar 13: G1 (Minor) Mar 14: G1 (Minor)
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.

Issue Time: 2026-03-11 10:04 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3643
Begin Time: 2026-03-08 15:10 UTC
Yesterday Maximum 2MeV Flux: 1726 pfu

Issue Time: 2026-03-11 02:57 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5281
Valid From: 2026-03-10 17:52 UTC
Now Valid Until: 2026-03-11 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: 2026-03-10 18:01 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-03-10 17:59 UTC
Synoptic Period: 1500-1800 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: 2026-03-10 17:52 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-03-10 17:52 UTC
Valid To: 2026-03-11 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.

Issue Time: 2026-03-10 17:16 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3642
Begin Time: 2026-03-08 15:10 UTC
Yesterday Maximum 2MeV Flux: 1358 pfu

Issue Time: 2026-03-10 01:09 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-03-10 01:10 UTC
Valid To: 2026-03-10 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: 2026-03-09 14:42 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3641
Begin Time: 2026-03-08 15:10 UTC
Yesterday Maximum 2MeV Flux: 2161 pfu

Built 2026-03-11 21:54 from source