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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
01:06------
01:05------
01:04---1.46---
01:033.12428.5-1.55---
01:022.84432.6-1.32---
01:012.86432.4-0.83---
01:002.95430.8-1.11---
00:592.75430.2-0.92---
00:582.99431.4-0.98---
00:572.61432.1-0.91---
00:562.62433.3-0.97---
00:553.19433.2-1.19---
00:543.23432.9-0.92---
00:532.94435.7-0.28---
00:523.00433.0-0.73---
00:513.33430.3-0.43---
00:503.05432.6-0.49---
00:492.30432.70.46---
00:482.86437.0-0.37---
00:473.59436.2-0.923.6436.2-0.9
00:463.92432.2-0.943.9432.2-0.9
00:453.99428.2-1.184.0428.2-1.2
00:443.83426.1-1.543.8426.1-1.5
00:433.78426.8-1.663.8426.8-1.7
00:423.89426.6-1.693.9426.6-1.7
00:413.68428.6-1.983.7428.6-2.0
00:403.93426.4-1.943.9426.4-1.9
00:393.73427.6-1.503.7427.6-1.5
00:383.61427.5-1.363.6427.5-1.4
00:373.53433.0-1.363.5433.0-1.4
00:363.32437.7-1.333.3437.7-1.3
00:353.23437.3-1.593.2437.3-1.6
00:343.02431.1-2.703.0431.1-2.7
00:332.96429.5-1.333.0429.5-1.3
00:322.92443.6-0.962.9443.6-1.0
00:312.92442.2-1.002.9442.2-1.0
00:303.23436.5-1.023.2436.5-1.0
00:293.62432.1-0.933.6432.1-0.9
00:283.86433.8-0.713.9433.8-0.7
00:273.91436.0-0.553.9436.0-0.5
00:263.44437.2-0.663.4437.2-0.7
00:253.18443.3-0.943.2443.3-0.9
00:242.94442.7-0.962.9442.7-1.0
00:233.29448.0-0.583.3448.0-0.6
00:223.34446.3-0.533.3446.3-0.5
00:213.02446.0-0.253.0446.0-0.3
00:203.21445.70.033.2445.70.0
00:192.33444.80.912.3444.80.9
00:183.05442.41.643.1442.41.6
00:173.00441.60.533.0441.60.5
00:163.10439.30.313.1439.30.3
00:153.07442.90.373.1442.90.4
00:143.19445.60.423.2445.60.4
00:133.38443.00.723.4443.00.7
00:123.34440.20.453.3440.20.5
00:113.37438.70.643.4438.70.6
00:103.42437.90.613.4437.90.6
00:093.17442.00.663.2442.00.7
00:083.02449.00.703.0449.00.7
00:072.95447.70.612.9447.70.6
00:063.01452.30.453.0452.30.5
00:052.40448.70.482.4448.70.5
00:043.08448.80.193.1448.80.2
00:033.02446.30.713.0446.30.7
00:022.99445.10.483.0445.10.5
00:012.83444.30.502.8444.30.5
00:002.77444.10.782.8444.10.8
23:592.79446.70.602.8446.70.6
23:582.81446.20.592.8446.20.6
23:573.04443.50.983.0443.51.0
23:563.31441.11.193.3441.11.2
23:553.23442.71.163.2442.71.2
23:542.97445.91.383.0445.91.4
23:532.76447.21.532.8447.21.5
23:523.08446.11.833.1446.11.8
23:513.09446.51.913.1446.51.9
23:503.19446.01.943.2446.01.9
23:492.94442.71.942.9442.71.9
23:483.22442.82.033.2442.82.0
23:473.12444.02.103.1444.02.1
23:463.43437.22.353.4437.22.4
23:453.40437.43.223.4437.43.2
23:443.32441.23.683.3441.23.7
23:433.21443.43.843.2443.43.8
23:422.99441.74.243.0441.74.2
23:413.08440.14.083.1440.14.1
23:403.22439.84.043.2439.84.0
23:392.97436.34.013.0436.34.0
23:382.90432.13.762.9432.13.8
23:373.04434.03.673.0434.03.7
23:362.96433.03.733.0433.03.7
23:352.71436.34.002.7436.34.0
23:342.70441.04.362.7441.04.4
23:333.19441.44.603.2441.44.6
23:323.16447.34.473.2447.34.5
23:313.05450.64.823.0450.64.8
23:302.87447.14.632.9447.14.6
23:293.01448.54.273.0448.54.3
23:282.93448.44.892.9448.44.9
23:272.84447.94.942.8447.94.9
23:262.66438.14.272.7438.14.3
23:252.76438.03.992.8438.04.0
23:242.92437.34.142.9437.34.1
23:232.96436.54.093.0436.54.1
23:222.81436.34.132.8436.34.1
23:212.62435.44.352.6435.44.4
23:202.80437.54.342.8437.54.3
23:192.87438.83.762.9438.83.8
23:182.78435.33.632.8435.33.6
23:173.15435.23.403.2435.23.4
23:162.66433.33.842.7433.33.8
23:152.52439.74.062.5439.74.1
23:142.46443.54.642.5443.54.6
23:132.79439.04.622.8439.04.6
23:122.53441.84.642.5441.84.6
23:112.34443.64.772.3443.64.8
23:102.11442.84.782.1442.84.8
23:092.04442.94.622.0442.94.6
23:082.44443.74.302.4443.74.3
23:072.54445.73.452.5445.73.4
Built 2026-01-27 01:07 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-2.71.6-0.4
velocity [km/s]426.1452.3438.0
density [cm-3]2.34.03.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)443174
Maasi (MAS)413188
Kilpisjärvi (KIL)403175
Ivalo (IVA)243134
Muonio (MUO)-3133
Sodankylä (SOD)222101
Pello (PEL)21285
Oulujärvi (OUJ)17235
Mekrijärvi (MEK)12116
Hankasalmi (HAN)9219
Nurmijärvi (NUR)-217
Tartu (TAR)10114
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-01-27 01:02 from source
Issue Time: 2026-01-26 09:06 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Jan 27: None (Below G1) Jan 28: G1 (Minor) Jan 29: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: Negative polarity CH influences will likely lead to isolated G1 (Minor) geomanetic storming periods on 28 Jan.
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: 2026-01-26 05:01 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3610
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 6155 pfu

Issue Time: 2026-01-25 17:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5238
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-26 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: 2026-01-25 11:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5237
Valid From: 2026-01-25 02:45 UTC
Now Valid Until: 2026-01-25 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.

Issue Time: 2026-01-25 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3609
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 5171 pfu

Issue Time: 2026-01-25 02:48 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-01-25 02:45 UTC
Valid To: 2026-01-25 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: 2026-01-24 17:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5235
Valid From: 2026-01-22 22:24 UTC
Now Valid Until: 2026-01-24 23:59 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: 2026-01-24 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3608
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 3392 pfu

Issue Time: 2026-01-24 02:57 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2182
Valid From: 2026-01-22 23:25 UTC
Now Valid Until: 2026-01-24 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: 2026-01-24 02:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5234
Valid From: 2026-01-22 22:24 UTC
Now Valid Until: 2026-01-24 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: 2026-01-23 20:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5233
Valid From: 2026-01-22 22:24 UTC
Now Valid Until: 2026-01-24 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: 2026-01-23 20:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2181
Valid From: 2026-01-22 23:25 UTC
Now Valid Until: 2026-01-24 03:00 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: 2026-01-23 14:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5232
Valid From: 2026-01-22 22:24 UTC
Now Valid Until: 2026-01-23 23:59 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: 2026-01-23 14:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 2180
Valid From: 2026-01-22 23:25 UTC
Now Valid Until: 2026-01-23 21:00 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.

Built 2026-01-26 09:08 from source