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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
15:21------
15:20------
15:19------
15:182.24566.3----
15:170.10477.3-8.73---
15:160.87551.5-7.94---
15:151.41579.6-9.46---
15:141.52581.9-8.27---
15:131.42572.6-7.62---
15:121.59574.8-6.50---
15:111.59551.6-6.86---
15:101.37537.9-6.66---
15:091.34554.8-7.35---
15:081.46569.8-6.61---
15:070.46555.5-7.37---7.4
15:060.42568.4-6.070.4568.4-6.1
15:050.33611.30.840.3611.30.8
15:041.55631.06.791.6631.06.8
15:039.55638.64.639.6638.64.6
15:020.67597.41.780.7597.41.8
15:010.26596.21.490.3596.21.5
15:000.36634.25.030.4634.25.0
14:590.20575.04.13---
14:580.27594.43.620.3594.43.6
14:570.68598.82.760.7598.82.8
14:560.96568.03.031.0568.03.0
14:550.89540.4-0.790.9540.4-0.8
14:540.85542.3-1.400.9542.3-1.4
14:530.76544.1-1.390.8544.1-1.4
14:520.58533.0-2.390.6533.0-2.4
14:510.62533.9-0.880.6533.9-0.9
14:500.79547.2-0.380.8547.2-0.4
14:490.85558.6-1.200.9558.6-1.2
14:480.61523.4-2.380.6523.4-2.4
14:470.69554.2-2.270.7554.2-2.3
14:460.70542.2-0.990.7542.2-1.0
14:451.01572.8-1.681.0572.8-1.7
14:440.63566.0-1.090.6566.0-1.1
14:430.98598.2-0.211.0598.2-0.2
14:421.20587.5-2.251.2587.5-2.3
14:411.38587.9-6.341.4587.9-6.3
14:401.44584.8-5.531.4584.8-5.5
14:391.26580.3-6.161.3580.3-6.2
14:380.56510.7-5.340.6510.7-5.3
14:370.47484.0-5.040.5484.0-5.0
14:361.02529.5-4.831.0529.5-4.8
14:35---4.14---4.1
14:340.92575.8-4.750.9575.8-4.8
14:330.79587.3-6.120.8587.3-6.1
14:320.25634.90.570.2634.90.6
14:310.29606.65.040.3606.65.0
14:300.37611.93.940.4611.93.9
14:290.41568.01.800.4568.01.8
14:280.33536.1-0.040.3536.1-0.0
14:271.28587.3-1.031.3587.3-1.0
14:261.35595.6-0.501.3595.6-0.5
14:250.82560.8-4.010.8560.8-4.0
14:240.58559.6-2.740.6559.6-2.7
14:230.25507.5-1.040.3507.5-1.0
14:220.15524.00.200.1524.00.2
14:210.61576.52.290.6576.52.3
14:201.01576.5-3.811.0576.5-3.8
14:190.90579.3-2.290.9579.3-2.3
14:180.85575.7-2.750.9575.7-2.8
14:171.04577.9-3.461.0577.9-3.5
14:161.24585.5-4.541.2585.5-4.5
14:151.18581.7-5.461.2581.7-5.5
14:141.62589.0-7.791.6589.0-7.8
14:131.56589.4-6.841.6589.4-6.8
14:121.34583.7-6.811.3583.7-6.8
14:111.18601.4-6.661.2601.4-6.7
14:101.57610.5-5.751.6610.5-5.8
14:091.21584.3-6.141.2584.3-6.1
14:081.24583.7-5.441.2583.7-5.4
14:071.56602.1-7.791.6602.1-7.8
14:061.66614.8-8.231.7614.8-8.2
14:051.60614.6-8.501.6614.6-8.5
14:041.58618.5-9.171.6618.5-9.2
14:031.56625.7-10.251.6625.7-10.2
14:021.47612.9-9.371.5612.9-9.4
14:011.62628.8-10.271.6628.8-10.3
14:001.59629.0-10.491.6629.0-10.5
13:591.38631.2-10.701.4631.2-10.7
13:581.63640.8-10.931.6640.8-10.9
13:571.99653.4-10.532.0653.4-10.5
13:562.15659.5-9.752.1659.5-9.7
13:551.71645.5-10.711.7645.5-10.7
13:541.53641.9-11.241.5641.9-11.2
13:531.58634.5-11.011.6634.5-11.0
13:521.58629.6-10.331.6629.6-10.3
13:511.54626.3-10.251.5626.3-10.2
13:501.74648.2-10.371.7648.2-10.4
13:491.58670.6-11.591.6670.6-11.6
13:481.53662.3-11.461.5662.3-11.5
13:471.94630.0-9.671.9630.0-9.7
13:461.44591.1-7.421.4591.1-7.4
13:451.39587.4-6.721.4587.4-6.7
13:441.12579.7-6.501.1579.7-6.5
13:431.56593.3-8.451.6593.3-8.4
13:421.47607.9-8.421.5607.9-8.4
13:411.45614.6-9.581.4614.6-9.6
13:401.64618.6-9.361.6618.6-9.4
13:391.40618.5-9.751.4618.5-9.8
13:381.68630.5-9.641.7630.5-9.6
13:371.72631.6-9.191.7631.6-9.2
13:361.60629.5-8.631.6629.5-8.6
13:351.51628.2-10.261.5628.2-10.3
13:341.68631.4-9.251.7631.4-9.2
13:331.93645.3-9.931.9645.3-9.9
13:321.93656.3-10.131.9656.3-10.1
13:311.67642.8-9.181.7642.8-9.2
13:301.31621.8-9.551.3621.8-9.6
13:291.13626.3-9.871.1626.3-9.9
13:28---10.45---10.5
13:27---10.84---10.8
13:261.46622.8-10.561.5622.8-10.6
13:251.25610.2-9.601.3610.2-9.6
13:241.13599.9-9.511.1599.9-9.5
13:231.25611.4-9.461.2611.4-9.5
13:221.38623.2-10.021.4623.2-10.0
Built 2026-01-28 15:22 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-7.46.8-1.7
velocity [km/s]484.0638.6569.9
density [cm-3]0.19.61.0
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)63730278
Maasi (MAS)61639283
Kilpisjärvi (KIL)49425260
Ivalo (IVA)47623225
Muonio (MUO)-23275
Sodankylä (SOD)14822268
Pello (PEL)14319245
Oulujärvi (OUJ)37015213
Mekrijärvi (MEK)2031164
Hankasalmi (HAN)1101183
Nurmijärvi (NUR)-1180
Tartu (TAR)24852
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-01-28 15:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-01-28 14:30 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-01-28 14:25 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: 2026-01-28 07:29 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3612
Begin Time: 2026-01-21 09:50 UTC
Yesterday Maximum 2MeV Flux: 13181 pfu

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.

Built 2026-01-28 14:32 from source