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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 12, 2025 18:56:37 UTC

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NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

Planetary K-Index Dashboard Test

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

Created with Highcharts 8.0.4SWPC Warning ThresholdABCMXChart context menuUpdated 2025-04-1218:53 UTCZoom6 Hour1 Day3 Day7 DayApr 10Apr 12

GOES Proton Flux

Created with Highcharts 8.0.4SWPC 10 MeV Warning ThresholdChart context menuUpdated 2025-04-1218:45 UTCZoom6 Hour1 Day3 Day7 DayApr 10Apr 12
Created with Highcharts 8.0.4Universal TimeKp indexChart context menuEstimated Planetary K index (3 hour data)Apr 10Apr 11Apr 1203:0006:0009:0012:0015:0018:0021:0003:0006:0009:0012:0015:0018:0021:0003:0006:0009:0012:0015:0018:0021:00Apr 1301234567890123456789Space Weather Prediction CenterBegin: Thu, 10 Apr 2025 00:00:00 GMT
Updated Time: 2025-04-12T15:00:00.000Z
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)

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