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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
20:52------
20:51------
20:50------
20:49------
20:48------
20:47---4.7483.6-
20:46---4.7484.10.5
20:45---4.4481.80.4
20:44---6.2484.30.2
20:43-----0.3
20:42-----0.2
20:41---6.1486.20.3
20:40---6.3486.50.4
20:39---6.3487.00.2
20:38---6.4486.50.1
20:37---3.9478.70.0
20:36---2.7478.10.2
20:35---6.3490.60.4
20:34---8.1495.40.5
20:33---5.8489.30.2
20:32---2.5471.40.2
20:31---8.9492.60.2
20:30---2.4477.00.4
20:29---9.2494.30.5
20:28---1.5469.70.3
20:27---6.3486.10.3
20:26---7.2490.20.1
20:25---5.8485.90.1
20:24---6.4489.00.2
20:23---8.3494.50.2
20:22---7.9500.00.1
20:21---4.1485.40.1
20:20---3.9477.20.1
20:19---7.4490.30.0
20:18---7.1488.1-0.0
20:17---7.3489.3-0.1
20:16---7.6488.50.1
20:15---4.4490.11.7
20:14---6.2486.92.8
20:13---7.4487.02.8
20:12---7.8483.42.8
20:11---7.6486.52.9
20:10---7.9482.93.0
20:09---7.9481.93.6
20:08---7.8481.83.6
20:07---8.3481.82.9
20:06---7.2484.71.7
20:05---6.9486.41.5
20:04---7.5486.92.1
20:03---7.5487.62.0
20:02---7.8486.42.5
20:01---7.3488.21.2
20:00---8.5488.51.5
19:59---7.8492.71.0
19:58---14.2507.02.7
19:57---10.4496.33.3
19:56---1.2471.51.9
19:55---7.0493.80.6
19:54---8.1492.60.7
19:53---8.9496.50.5
19:52---4.1482.80.8
19:51---5.6486.30.5
19:50---6.1487.40.3
19:49---6.6490.40.6
19:48---7.0492.20.5
19:47---6.3488.80.2
19:46---9.3499.10.2
19:45---8.4496.60.2
19:44---4.2483.80.1
19:43---6.5488.6-0.0
19:42---10.7499.7-0.0
19:41---8.0504.0-0.1
19:40---7.3492.5-0.1
19:39---7.3490.4-0.8
19:38---7.6491.8-0.0
19:37---7.1491.60.5
19:36---6.9491.40.8
19:35---6.4492.70.9
19:34---6.5492.11.0
19:33---6.5492.41.0
19:32---6.3492.61.2
19:31---6.0492.31.1
19:30---6.2492.70.9
19:29---6.2492.01.1
19:28---6.5493.01.1
19:27---6.3491.91.1
19:26---6.6493.91.4
19:25---5.9492.31.2
19:24---6.4493.81.1
19:23---6.7492.31.0
19:22---7.0494.71.0
19:21---6.8493.41.0
19:20---6.7494.11.1
19:19---7.6502.11.1
19:18---8.0502.31.2
19:17---8.4506.31.0
19:16---5.8495.70.9
19:15---3.8482.80.1
19:14---7.3503.50.2
19:13---5.5497.40.4
19:12---6.5505.30.3
19:11---1.9482.90.3
19:10---5.8499.70.3
19:09---6.3485.30.8
19:08---8.1503.71.0
19:07---4.2490.90.2
19:06---5.8496.40.5
19:05---6.5497.10.5
19:04---5.4493.20.5
19:03---4.9491.60.1
19:02---8.5505.80.2
19:01---7.5501.40.3
19:00---6.1496.10.3
18:59---5.8496.1-
18:58---6.1497.10.3
18:57---6.1496.20.3
18:56---6.6497.50.2
18:55---5.9496.40.1
18:54---5.5497.60.0
18:53---5.5498.20.0
Built 2026-07-12 20:53 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-0.73.40.7
velocity [km/s]470.7478.1475.0
density [cm-3]4.45.85.0
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)12012321
Maasi (MAS)10911318
Kilpisjärvi (KIL)-10321
Ivalo (IVA)1007264
Muonio (MUO)637242
Sodankylä (SOD)516221
Pello (PEL)336217
Oulujärvi (OUJ)24587
Mekrijärvi (MEK)24335
Hankasalmi (HAN)-444
Nurmijärvi (NUR)28441
Tartu (TAR)23330
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-07-12 20:47 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-07-12 15:03 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-07-12 14:59 UTC
Synoptic Period: 1200-1500
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: 2026-07-12 14:11 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-07-12 14:10 UTC
Valid To: 2026-07-13 21:00 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: 2026-07-12 05:32 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3714
Begin Time: 2026-07-10 11:26 UTC
Yesterday Maximum 2MeV Flux: 4620 pfu
Yesterday's max: 4,620 pfu

Issue Time: 2026-07-12 03:46 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-07-12 02:59 UTC
Synoptic Period: 0000-0300
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: 2026-07-12 02:12 UTC
ALERT: Type IV Radio Emission
Begin Time: 2026-07-12 00:53 UTC
Comment

Issue Time: 2026-07-12 02:11 UTC
ALERT: Type II Radio Emission
Begin Time: 2026-07-12 01:35 UTC
Estimate Velocity: 678 km/s
Comment

Issue Time: 2026-07-12 01:34 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-07-12 01:35 UTC
Valid To: 2026-07-12 23:59 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: 2026-07-11 05:01 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3713
Begin Time: 2026-07-10 11:26 UTC
Yesterday Maximum 2MeV Flux: 2029 pfu
Yesterday's max: 2,030 pfu

Issue Time: 2026-07-10 19:46 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Jul 11: None (Below G1) Jul 12: G1 (Minor) Jul 13: None (Below G1)
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: 2026-07-10 11:51 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5381
Valid From: 2026-07-09 11:19 UTC
Now Valid Until: 2026-07-11 03:00 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: 2026-07-10 11:26 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2026-07-10 11:26 UTC
Station: GOES-19
Comment: Yesterday's max: 767 pfu
Yesterday's max: 767 pfu

Built 2026-07-12 15:04 from source