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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
01:47------
01:46------
01:45---2.00---
01:444.39455.6-1.27---
01:434.27452.3-1.83---
01:423.98452.0-1.90---
01:414.38452.9-1.64---
01:404.49452.9-1.59---
01:394.45453.3-1.59---
01:384.59450.5-1.43---
01:374.89447.1-1.39---
01:364.91447.0-1.29---
01:354.83446.6-1.29---
01:344.61449.1-1.26---
01:334.37451.6-1.35---
01:324.40451.9-1.43---
01:314.37453.3-1.44---
01:304.11453.7-1.29---
01:294.45453.6-1.25---
01:284.14454.2-1.24---
01:274.04456.1-1.284.0456.1-1.3
01:263.63454.8-1.373.6454.8-1.4
01:254.78453.0-1.184.8453.0-1.2
01:244.76454.1-1.054.8454.1-1.1
01:234.88453.8-1.104.9453.8-1.1
01:224.91451.6-1.254.9451.6-1.3
01:214.91451.0-1.414.9451.0-1.4
01:204.93451.2-1.324.9451.2-1.3
01:194.83449.9-1.344.8449.9-1.3
01:184.88449.1-1.184.9449.1-1.2
01:174.93449.5-1.134.9449.5-1.1
01:164.90450.0-1.134.9450.0-1.1
01:154.69450.4-1.154.7450.4-1.1
01:144.31449.7-1.234.3449.7-1.2
01:135.03447.7-1.395.0447.7-1.4
01:125.15448.9-1.605.1448.9-1.6
01:115.06448.7-1.605.1448.7-1.6
01:104.68446.3-1.584.7446.3-1.6
01:095.17447.5-1.705.2447.5-1.7
01:084.83446.8-1.744.8446.8-1.7
01:074.86447.0-1.554.9447.0-1.5
01:064.79447.1-1.534.8447.1-1.5
01:054.93447.7-1.264.9447.7-1.3
01:044.78447.5-1.394.8447.5-1.4
01:034.67448.9-1.364.7448.9-1.4
01:024.70448.9-1.354.7448.9-1.3
01:014.81448.7-1.244.8448.7-1.2
01:004.90449.2-1.214.9449.2-1.2
00:594.75447.9-1.314.8447.9-1.3
00:584.49446.8-1.204.5446.8-1.2
00:574.56447.0-1.284.6447.0-1.3
00:564.64446.5-1.404.6446.5-1.4
00:554.65446.4-1.464.7446.4-1.5
00:545.05447.0-1.675.1447.0-1.7
00:534.69447.0-1.564.7447.0-1.6
00:524.84447.0-1.274.8447.0-1.3
00:514.55446.4-1.124.6446.4-1.1
00:504.83447.2-1.314.8447.2-1.3
00:494.86447.5-1.334.9447.5-1.3
00:484.84447.5-1.374.8447.5-1.4
00:474.53448.6-1.274.5448.6-1.3
00:464.64448.7-1.304.6448.7-1.3
00:454.92448.6-1.384.9448.6-1.4
00:444.89448.3-1.264.9448.3-1.3
00:434.53448.1-1.214.5448.1-1.2
00:424.59447.8-1.294.6447.8-1.3
00:414.71447.7-1.284.7447.7-1.3
00:405.12448.5-1.165.1448.5-1.2
00:394.81448.0-1.094.8448.0-1.1
00:384.77449.3-1.274.8449.3-1.3
00:374.72448.3-1.414.7448.3-1.4
00:365.02449.5-1.775.0449.5-1.8
00:354.79448.7-1.624.8448.7-1.6
00:345.19450.3-1.775.2450.3-1.8
00:335.29450.4-1.945.3450.4-1.9
00:325.12449.3-1.375.1449.3-1.4
00:314.57447.4-1.524.6447.4-1.5
00:304.67447.7-1.634.7447.7-1.6
00:294.98449.2-1.605.0449.2-1.6
00:284.94449.5-1.864.9449.5-1.9
00:274.89448.8-1.864.9448.8-1.9
00:264.77448.1-1.784.8448.1-1.8
00:255.22449.5-1.815.2449.5-1.8
00:244.98449.3-1.625.0449.3-1.6
00:235.23452.2-1.875.2452.2-1.9
00:225.27451.4-1.865.3451.4-1.9
00:215.38451.8-2.005.4451.8-2.0
00:205.10450.5-1.835.1450.5-1.8
00:194.94450.2-1.664.9450.2-1.7
00:185.02450.0-1.125.0450.0-1.1
00:175.10450.0-1.095.1450.0-1.1
00:164.94449.5-1.104.9449.5-1.1
00:154.84449.2-0.734.8449.2-0.7
00:144.39455.9-0.244.4455.9-0.2
00:134.57456.8-0.304.6456.8-0.3
00:124.59457.1-0.264.6457.1-0.3
00:114.38455.1-0.334.4455.1-0.3
00:104.71453.8-1.014.7453.8-1.0
00:094.87454.0-0.544.9454.0-0.5
00:084.79454.3-0.784.8454.3-0.8
00:074.14454.9-0.544.1454.9-0.5
00:064.37460.8-0.414.4460.8-0.4
00:054.53454.8-0.574.5454.8-0.6
00:044.54454.6-0.754.5454.6-0.7
00:034.14452.4-0.974.1452.4-1.0
00:024.25457.9-1.134.2457.9-1.1
00:014.29458.0-1.154.3458.0-1.1
00:004.35457.8-1.064.3457.8-1.1
23:594.11459.8-1.184.1459.8-1.2
23:584.02460.5-1.134.0460.5-1.1
23:574.08457.9-1.304.1457.9-1.3
23:564.10457.3-1.264.1457.3-1.3
23:554.05459.9-1.194.1459.9-1.2
23:543.86459.5-1.043.9459.5-1.0
23:534.13462.3-0.994.1462.3-1.0
23:523.98462.9-0.884.0462.9-0.9
23:513.65463.1-0.863.7463.1-0.9
23:503.76463.0-0.913.8463.0-0.9
23:494.13462.9-1.674.1462.9-1.7
23:484.00462.7-1.794.0462.7-1.8
Built 2026-01-28 01:48 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-1.7-1.1-1.4
velocity [km/s]446.3456.1449.6
density [cm-3]3.65.24.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)459212
Maasi (MAS)499215
Kilpisjärvi (KIL)549222
Ivalo (IVA)396184
Muonio (MUO)-6204
Sodankylä (SOD)345170
Pello (PEL)245147
Oulujärvi (OUJ)11457
Mekrijärvi (MEK)7225
Hankasalmi (HAN)11225
Nurmijärvi (NUR)-324
Tartu (TAR)4220
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-01-28 01:47 from source
Issue Time: 2026-01-27 21:04 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-01-27 21:03 UTC
Valid To: 2026-01-28 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: 2026-01-27 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3611
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 8394 pfu

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.

Built 2026-01-27 22:57 from source