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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
09:28------
09:27------
09:26--1.55---
09:250.62524.71.72---
09:240.49539.90.66---
09:230.44539.22.32---
09:220.55535.02.64---
09:210.63537.72.38---
09:200.79544.42.35---
09:190.91547.52.21---
09:180.89542.81.90---
09:171.03541.71.24---
09:160.79535.31.28---
09:15--0.38---
09:14------
09:131.14549.10.60---
09:120.67506.61.07---
09:110.65504.4----
09:100.85542.31.45---
09:090.33524.21.90---
09:080.15506.22.86---
09:070.19504.83.030.2504.83.0
09:060.21507.32.030.2507.32.0
09:050.32517.82.120.3517.82.1
09:040.30514.82.920.3514.82.9
09:030.23513.53.490.2513.53.5
09:020.13515.63.720.1515.63.7
09:010.12506.93.550.1506.93.6
09:00--3.00--3.0
08:590.20522.63.380.2522.63.4
08:580.08489.43.070.1489.43.1
08:570.10510.42.560.1510.42.6
08:560.47534.73.130.5534.73.1
08:550.58566.03.330.6566.03.3
08:540.42503.73.520.4503.73.5
08:530.72513.13.430.7513.13.4
08:520.76509.62.960.8509.63.0
08:510.91530.11.950.9530.12.0
08:501.08527.91.721.1527.91.7
08:491.39515.71.141.4515.71.1
08:481.53512.50.801.5512.50.8
08:471.24502.10.271.2502.10.3
08:461.23500.70.071.2500.70.1
08:451.48503.9-0.181.5503.9-0.2
08:441.07495.8-0.711.3496.8-0.7
08:431.56502.1-1.011.6502.1-1.0
08:421.22498.1-1.161.2498.1-1.2
08:411.33501.4-0.461.3501.4-0.5
08:400.93481.6-0.800.9481.6-0.8
08:392.11507.5-1.022.1507.5-1.0
08:381.65502.8-1.981.7502.8-2.0
08:372.12516.0-1.152.1516.0-1.2
08:361.37496.2-1.111.4496.2-1.1
08:351.16490.0-1.141.2490.0-1.1
08:341.58498.1-1.501.6498.1-1.5
08:331.81502.1-1.531.8502.1-1.5
08:321.30500.0-1.841.3500.0-1.8
08:311.36504.2-1.771.4504.2-1.8
08:301.60512.9-2.081.6512.9-2.1
08:292.05517.0-2.472.1517.0-2.5
08:282.34525.9-2.582.3525.9-2.6
08:272.01536.4-2.292.2533.1-2.3
08:262.00497.4-2.182.0497.4-2.2
08:252.05514.4-2.452.0514.4-2.5
08:242.08526.0-3.382.1526.0-3.4
08:231.88535.50.111.9535.50.1
08:221.32502.9-1.081.3502.9-1.1
08:211.12509.2-1.251.1509.2-1.2
08:201.48517.3-1.061.5517.3-1.1
08:191.93525.7-0.261.9525.7-0.3
08:181.84520.3-0.621.8520.3-0.6
08:171.75519.8-0.321.8519.8-0.3
08:161.94529.20.741.9529.20.7
08:152.00532.4-1.462.0532.4-1.5
08:142.20538.5-2.682.0532.6-2.7
08:132.51542.7-2.801.9526.1-2.8
08:121.61524.3-3.141.6524.3-3.1
08:112.01542.7-3.042.0542.7-3.0
08:102.57545.1-3.362.6545.2-3.4
08:092.36552.5-3.182.4552.5-3.2
08:081.38512.2-3.391.4512.2-3.4
08:072.16537.6-3.642.2537.6-3.6
08:061.92532.7-3.171.9532.7-3.2
08:052.08537.3-3.052.1537.3-3.0
08:042.11529.5-3.332.1529.5-3.3
08:032.07550.2-2.962.1550.2-3.0
08:021.99557.5-2.692.0557.5-2.7
08:012.23545.0-2.072.2545.0-2.1
08:002.54538.9-1.172.5538.9-1.2
07:592.54524.6-2.252.5524.6-2.3
07:582.45530.3-2.722.4528.4-2.7
07:572.20547.3-2.772.2542.2-2.8
07:562.14559.6-2.842.1559.6-2.8
07:552.08566.6-2.462.1566.6-2.5
07:541.76491.9-3.331.8491.9-3.3
07:532.71513.4-2.962.9513.8-3.0
07:522.37519.8-2.552.4519.8-2.6
07:512.42538.6-2.842.4538.6-2.8
07:502.12522.5-2.712.1522.5-2.7
07:492.65532.4-2.522.6532.4-2.5
07:482.74534.8-2.812.7534.8-2.8
07:472.45547.1-3.442.5547.1-3.4
07:462.19540.3-3.322.2540.3-3.3
07:451.94522.0-3.771.9522.0-3.8
07:441.03515.6-1.291.9514.0-1.3
07:432.45521.8-1.252.4521.8-1.2
07:423.00537.1-2.443.0537.1-2.4
07:412.60528.4-3.302.6528.4-3.3
07:402.33526.8-3.482.3526.8-3.5
07:392.26526.2-3.742.3526.2-3.7
07:382.28528.9-3.702.3528.9-3.7
07:372.42533.0-3.752.4533.0-3.7
07:361.34499.6-3.571.3499.6-3.6
07:352.59528.9-3.582.6528.9-3.6
07:342.25532.7-3.492.2532.7-3.5
07:332.13532.4-3.422.1532.4-3.4
07:321.14500.4-3.131.1500.4-3.1
07:311.78516.2-3.401.8516.2-3.4
07:302.17530.7-2.802.2530.7-2.8
07:292.23523.8-2.672.2523.8-2.7
Built 2026-04-12 09:29 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.43.70.4
velocity [km/s]481.6566.0512.8
density [cm-3]0.12.31.2
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)31984
Maasi (MAS)301085
Kilpisjärvi (KIL)26990
Ivalo (IVA)30873
Muonio (MUO)25871
Sodankylä (SOD)29863
Pello (PEL)27758
Oulujärvi (OUJ)26643
Mekrijärvi (MEK)23427
Hankasalmi (HAN)24432
Nurmijärvi (NUR)23532
Tartu (TAR)17423
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-04-12 09:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-04-11 17:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5315
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-12 15:00 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: 2026-04-11 13:06 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3671
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 1714 pfu

Issue Time: 2026-04-10 14:26 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-04-10 14:25 UTC
Valid To: 2026-04-11 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: 2026-04-10 14:07 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3670
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 10680 pfu

Issue Time: 2026-04-10 13:50 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5314
Valid From: 2026-04-10 01:45 UTC
Now Valid Until: 2026-04-11 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: 2026-04-10 02:08 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-04-10 02:05 UTC
Synoptic Period: 0000-0300 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: 2026-04-10 01:43 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-04-10 01:45 UTC
Valid To: 2026-04-10 15:00 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: 2026-04-09 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3669
Begin Time: 2026-04-03 09:20 UTC
Yesterday Maximum 2MeV Flux: 7322 pfu

Built 2026-04-12 04:55 from source