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SeadedLast update:
Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
07:18------
07:17------
07:163.67537.9-3.69---
07:153.60530.0-3.57---
07:143.01514.2-3.46---
07:133.21517.0-3.52---
07:123.42524.2-3.50---
07:113.34528.3-5.08---
07:103.18530.0-5.16---
07:093.06531.1-4.48---
07:083.04532.8-5.22---
07:073.75527.4-2.33---2.3
07:063.73526.4-2.533.7526.4-2.5
07:053.63521.8-2.443.6521.8-2.4
07:043.54522.8-3.073.5522.8-3.1
07:033.74526.5-4.473.7526.5-4.5
07:023.71530.5-5.903.7530.5-5.9
07:013.54528.1-4.543.5528.1-4.5
07:003.42528.7-5.193.4528.7-5.2
06:593.33527.3-3.98---4.0
06:583.34534.0-3.533.3534.0-3.5
06:573.53536.0-3.583.5536.0-3.6
06:563.60535.8-4.133.6535.8-4.1
06:553.49535.1-2.393.5535.1-2.4
06:543.49531.7-2.123.5531.7-2.1
06:533.43516.9-2.333.4516.9-2.3
06:523.25504.6-1.783.3504.6-1.8
06:513.56518.8-0.903.6518.8-0.9
06:503.73520.30.193.7520.30.2
06:493.18515.20.343.2515.20.3
06:482.39479.50.122.4479.50.1
06:473.63523.81.973.6523.82.0
06:461.52467.91.881.5467.91.9
06:453.12521.81.903.1521.81.9
06:443.16530.92.943.2530.92.9
06:433.31526.44.083.3526.44.1
06:423.41526.04.443.4526.04.4
06:413.30525.74.953.3525.75.0
06:403.18521.95.323.2521.95.3
06:393.11519.44.953.1519.45.0
06:382.59502.72.732.6502.72.7
06:372.50497.41.172.5497.41.2
06:363.38522.2-1.383.4522.2-1.4
06:353.59523.1-0.383.6523.1-0.4
06:343.37526.3-1.583.4526.3-1.6
06:333.15519.1-0.363.2519.1-0.4
06:321.58467.5-0.051.6467.5-0.1
06:313.42523.6-0.983.4523.6-1.0
06:303.24528.2-0.913.2528.2-0.9
06:293.32518.9-0.353.3518.9-0.3
06:283.04513.7-2.733.0513.7-2.7
06:273.26523.2-1.343.3523.2-1.3
06:263.36522.40.263.4522.40.3
06:253.12530.4-2.893.1530.4-2.9
06:243.29537.6-0.803.3537.6-0.8
06:233.36540.6-0.163.4540.6-0.2
06:223.45544.8-2.413.4544.8-2.4
06:213.60547.3-2.693.6547.3-2.7
06:203.47545.2-2.493.5545.2-2.5
06:193.45542.7-1.663.4542.7-1.7
06:183.17538.8-1.753.2538.8-1.7
06:173.72541.8-2.103.7541.8-2.1
06:163.31545.0-2.043.3545.0-2.0
06:152.81536.21.302.8536.21.3
06:143.21534.1-0.733.2534.1-0.7
06:133.41544.2-0.113.4544.2-0.1
06:123.24544.0-1.893.2544.0-1.9
06:113.44544.2-1.223.4544.2-1.2
06:103.61538.8-2.143.6538.8-2.1
06:093.54531.9-2.833.5531.9-2.8
06:083.68534.9-6.163.7534.9-6.2
06:073.74536.6-6.613.7536.6-6.6
06:063.81533.5-8.273.8533.5-8.3
06:053.90533.6-7.643.9533.6-7.6
06:043.71536.8-7.293.7536.8-7.3
06:033.67540.1-7.033.7540.1-7.0
06:023.88542.0-7.303.9542.0-7.3
06:014.00539.8-7.574.0539.8-7.6
06:003.97539.3-7.344.0539.3-7.3
05:593.49529.4-7.123.5529.4-7.1
05:584.08531.9-7.084.1531.9-7.1
05:573.67531.3-7.093.7531.3-7.1
05:563.51528.8-5.593.5528.8-5.6
05:553.46532.2-6.253.5532.2-6.3
05:543.46535.2-6.853.5535.2-6.8
05:533.54535.9-6.633.5535.9-6.6
05:523.65532.1-6.283.7532.1-6.3
05:513.72528.3-6.743.7528.3-6.7
05:503.81528.8-6.363.8528.8-6.4
05:493.84531.6-6.283.8531.6-6.3
05:483.68532.5-6.783.7532.5-6.8
05:473.51530.5-6.633.5530.5-6.6
05:463.48527.7-6.273.5527.7-6.3
05:453.44525.6-3.373.4525.6-3.4
05:443.18532.2-3.863.2532.2-3.9
05:432.78543.4-4.202.8543.4-4.2
05:423.40531.2-4.343.4531.2-4.3
05:413.62527.1-5.763.6527.1-5.8
05:403.76529.7-5.973.8529.7-6.0
05:393.83524.4-6.103.8524.4-6.1
05:383.45523.0-6.973.5523.0-7.0
05:373.53524.1-7.143.5524.1-7.1
05:363.06535.6-7.033.1535.6-7.0
05:353.19536.1-4.373.2536.1-4.4
05:343.65526.9-6.003.6526.9-6.0
05:333.60525.1-7.053.6525.1-7.1
05:323.63526.8-6.693.6526.8-6.7
05:313.70526.4-6.933.7526.4-6.9
05:303.85524.9-6.863.9524.9-6.9
05:293.85521.6-6.463.9521.6-6.5
05:283.48--6.023.5--6.0
05:273.48533.3-7.273.5533.3-7.3
05:263.63536.5-8.853.6536.5-8.8
05:253.35540.6-8.933.4540.6-8.9
05:243.08536.0-8.853.1536.0-8.8
05:233.30542.7-8.043.3542.7-8.0
05:223.64543.5-7.693.6543.5-7.7
05:213.64543.5-6.113.6543.5-6.1
05:203.39546.2-6.433.4546.2-6.4
05:193.67552.5-7.293.7552.5-7.3
Built 2026-02-22 07:19 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-5.95.3-1.2
velocity [km/s]467.5547.3524.4
density [cm-3]1.53.83.3
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)831297
Maasi (MAS)7911100
Kilpisjärvi (KIL)10012106
Ivalo (IVA)831082
Muonio (MUO)1021182
Sodankylä (SOD)821068
Pello (PEL)841064
Oulujärvi (OUJ)42841
Mekrijärvi (MEK)29530
Hankasalmi (HAN)29633
Nurmijärvi (NUR)29634
Tartu (TAR)27528
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-02-22 07:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-02-22 05:03 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-02-22 05:02 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: 2026-02-22 04:25 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-02-22 04:25 UTC
Valid To: 2026-02-22 12:00 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: 2026-02-21 22:43 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-02-21 22:42 UTC
Synoptic Period: 2100-2400 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: 2026-02-21 22:30 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-02-21 22:30 UTC
Valid To: 2026-02-22 12:00 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: 2026-02-21 09:53 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Feb 21: None (Below G1) Feb 22: None (Below G1) Feb 23: 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: 2026-02-20 23:40 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-02-20 23:40 UTC
Synoptic Period: 2100-2400 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: 2026-02-20 23:27 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-02-20 23:27 UTC
Valid To: 2026-02-21 12:00 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: 2026-02-20 07:16 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3630
Begin Time: 2026-02-16 16:35 UTC
Yesterday Maximum 2MeV Flux: 3261 pfu

Issue Time: 2026-02-19 12:06 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3629
Begin Time: 2026-02-16 16:35 UTC
Yesterday Maximum 2MeV Flux: 3801 pfu

Issue Time: 2026-02-19 08:55 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5262
Valid From: 2026-02-19 02:05 UTC
Now Valid Until: 2026-02-19 18:00 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.

Built 2026-02-22 05:05 from source