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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
23:39------
23:38------
23:37---2.30---
23:36---2.93---
23:351.61523.2-1.80---
23:341.41524.1-1.22---
23:331.39528.0-1.27---
23:321.39527.1-0.57---
23:311.25527.2-0.64---
23:301.14511.7-0.43---
23:291.37517.3-0.48---
23:281.48522.4-0.751.5522.4-0.8
23:271.43514.5-0.771.4514.5-0.8
23:261.49515.1-0.931.5515.1-0.9
23:251.61515.5-0.771.6515.5-0.8
23:241.62514.8-0.311.6514.8-0.3
23:231.54514.5-1.021.5514.5-1.0
23:221.54509.5-0.151.5509.5-0.2
23:211.25491.80.431.2491.80.4
23:201.67515.90.171.7515.90.2
23:191.53514.3-0.521.5514.3-0.5
23:181.55517.9-0.381.6517.9-0.4
23:171.56517.7-0.951.6517.7-1.0
23:161.58515.90.011.6515.90.0
23:151.59515.90.641.6515.90.6
23:141.60516.00.741.6516.00.7
23:131.52517.90.431.5517.90.4
23:121.53518.1-0.201.5518.1-0.2
23:111.54518.5-0.211.5518.5-0.2
23:101.59517.4-0.301.6517.4-0.3
23:091.64515.5-0.121.6515.5-0.1
23:081.61514.70.131.6514.70.1
23:071.61514.10.471.6514.10.5
23:061.64516.50.371.6516.50.4
23:051.63512.0-0.061.6512.0-0.1
23:041.18490.7-0.251.2490.7-0.2
23:031.65515.6-0.831.7515.6-0.8
23:021.43520.5-0.771.4520.5-0.8
23:011.60518.9-1.621.6518.9-1.6
23:001.13498.0-1.391.1498.0-1.4
22:591.19491.2-0.59---0.6
22:581.48510.61.061.5510.61.1
22:571.59514.10.461.6514.10.5
22:561.18501.0-0.311.2501.0-0.3
22:550.92493.7-1.340.9493.7-1.3
22:541.37525.2-2.021.4525.2-2.0
22:531.26512.2-2.381.3512.2-2.4
22:521.12494.2-2.141.1494.2-2.1
22:511.30502.1-1.811.3502.1-1.8
22:501.63521.4-2.151.6521.4-2.1
22:491.52518.0-2.411.5518.0-2.4
22:481.02497.1-2.251.0497.1-2.2
22:471.50520.4-2.221.5520.4-2.2
22:461.44527.1-2.471.4527.1-2.5
22:451.16516.4-2.661.2516.4-2.7
22:441.31532.4-3.341.3532.4-3.3
22:431.36531.6-4.051.4531.6-4.1
22:421.37533.8-3.821.4533.8-3.8
22:411.32527.4-3.941.3527.4-3.9
22:401.15506.6-2.851.1506.6-2.9
22:391.11514.8-2.501.1514.8-2.5
22:381.20534.8-2.961.2534.8-3.0
22:370.96512.6-3.921.0512.6-3.9
22:360.82495.0-2.880.8495.0-2.9
22:351.34533.4-3.141.3533.4-3.1
22:341.25536.7-4.211.2536.7-4.2
22:331.20535.5-4.151.2535.5-4.1
22:321.26537.0-3.991.3537.0-4.0
22:310.99552.5-3.841.0552.5-3.8
22:300.73503.0-4.550.7503.0-4.5
22:291.17538.5-1.631.2538.5-1.6
22:281.25534.5-2.281.3534.5-2.3
22:271.17517.8-2.641.2517.8-2.6
22:261.09515.0-2.941.1515.0-2.9
22:251.11524.6-3.031.1524.6-3.0
22:241.17539.2-3.801.2539.2-3.8
22:231.18542.2-4.521.2542.2-4.5
22:221.17539.4-4.821.2539.4-4.8
22:210.46483.7-4.730.5483.7-4.7
22:200.82506.1-4.430.8506.1-4.4
22:191.43545.3-4.001.4545.3-4.0
22:181.29538.8-4.061.3538.8-4.1
22:171.40538.4-4.091.4538.4-4.1
22:161.72535.1-3.391.7535.1-3.4
22:152.15499.7-2.252.1499.7-2.2
22:141.36527.8-0.221.4527.8-0.2
22:131.27522.72.541.3522.72.5
22:121.65536.32.161.6536.32.2
22:111.03509.81.551.0509.81.6
22:102.34516.40.632.3516.40.6
22:091.89507.60.481.9507.60.5
22:081.10506.10.181.1506.10.2
22:071.02499.2-0.061.0499.2-0.1
22:061.27500.2-0.421.3500.2-0.4
22:052.40523.0-1.712.4523.0-1.7
22:042.70527.0-3.122.7527.0-3.1
22:030.87506.7-3.120.9506.7-3.1
22:021.31521.1-2.881.3521.1-2.9
22:011.22515.3-3.001.2515.3-3.0
22:001.05509.1-3.391.1509.1-3.4
21:590.86496.8-0.9496.8-
21:580.63478.8-3.040.6478.8-3.0
21:571.30524.1-2.831.3524.1-2.8
21:560.85500.1-3.510.8500.1-3.5
21:551.27533.8-3.881.3533.8-3.9
21:541.00508.0-3.511.0508.0-3.5
21:530.97505.7-3.181.0505.7-3.2
21:520.76503.5-2.900.8503.5-2.9
21:510.87514.3-2.700.9514.3-2.7
21:501.26536.3-3.231.3536.3-3.2
21:491.47546.9-3.741.5546.9-3.7
21:481.15518.3-4.261.1518.3-4.3
21:470.93506.4-3.550.9506.4-3.5
21:460.58490.7-3.320.6490.7-3.3
21:451.23535.8-3.321.2535.8-3.3
21:440.62500.4-3.290.6500.4-3.3
21:431.02511.3-2.731.0511.3-2.7
21:420.99510.1-2.611.0510.1-2.6
21:411.01510.5-2.901.0510.5-2.9
21:401.22526.6-3.241.2526.6-3.2
Built 2026-02-06 23:40 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-4.51.1-1.5
velocity [km/s]490.7552.5515.7
density [cm-3]0.71.71.4
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)17132388
Maasi (MAS)15432427
Kilpisjärvi (KIL)14230421
Ivalo (IVA)13718416
Muonio (MUO)-18394
Sodankylä (SOD)10414390
Pello (PEL)7712348
Oulujärvi (OUJ)267226
Mekrijärvi (MEK)13453
Hankasalmi (HAN)8581
Nurmijärvi (NUR)-554
Tartu (TAR)4437
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-02-06 23:32 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-02-06 17:44 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-06 17:44 UTC
Valid To: 2026-02-06 23:59 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: 2026-02-06 15:01 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-02-06 14:59 UTC
Synoptic Period: 1200-1500 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: 2026-02-06 12:54 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-02-06 12:53 UTC
Valid To: 2026-02-06 23:59 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: 2026-02-05 15:51 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Feb 06: G1 (Minor) Feb 07: None (Below G1) Feb 08: 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: 2026-02-05 08:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5245
Valid From: 2026-02-04 15:15 UTC
Now Valid Until: 2026-02-05 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: 2026-02-05 08:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2186
Valid From: 2026-02-05 03:00 UTC
Now Valid Until: 2026-02-05 15:00 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: 2026-02-05 04:33 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-02-05 04:26 UTC
Synoptic Period: 0300-0600 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: 2026-02-05 02:59 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-05 03:00 UTC
Valid To: 2026-02-05 09:00 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: 2026-02-04 23:12 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5244
Valid From: 2026-02-04 15:15 UTC
Now Valid Until: 2026-02-05 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: 2026-02-04 17:00 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-02-03 17:00 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: 2026-02-04 15:35 UTC
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2026-02-04 15:06 UTC
Deviation: 16 nT
Station: BOU

Issue Time: 2026-02-04 15:08 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-02-04 15:15 UTC
Valid To: 2026-02-04 23:59 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: 2026-02-04 14:33 UTC
WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2026-02-04 15:05 UTC
Valid To: 2026-02-04 15:35 UTC
IP Shock Passage Observed: 2026-02-04 14:21 UTC

Issue Time: 2026-02-04 12:39 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: 2026-02-04 12:02 UTC
Maximum Time: 2026-02-04 12:13 UTC
End Time: 2026-02-04 12:18 UTC
X-ray Class: X4.2
Optical Class: na
Location: N14E04
NOAA Scale: R3 - Strong
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.

Issue Time: 2026-02-04 12:12 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026-02-04 12:09 UTC
NOAA Scale: R2 - Moderate

Issue Time: 2026-02-04 09:27 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3619
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 10480 pfu

Built 2026-02-06 17:46 from source