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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, July 24, 2025 06:52:51 UTC

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NOAA Scales

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Space Weather Conditions
24-Hour Observed Maximums
R
none
S
none
G1
minor
Latest Observed
R
none
S
none
G
none
Predicted 2025-07-24 UTC
R1-R2 30%
R3-R5 5%
S1 or greater 1%
G1
minor
Predicted 2025-07-25 UTC
R1-R2 30%
R3-R5 5%
S1 or greater 1%
G
none
Predicted 2025-07-26 UTC
R1-R2 30%
R3-R5 5%
S1 or greater 1%
G
none
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R
none
S
none
G
none
Current Space Weather Conditions
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

Space Weather Summary

  • Solar Wind Speed: 674 km/sec
  • Solar Wind Magnetic Fields: Bt 6 nT, Bz 6 nT
  • Noon 10.7cm Radio Flux: 150 sfu

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D Region Absorption Prediction

global absorption predictions at 1 dB

GOES Proton Flux

Created with Highcharts 8.0.4SWPC 10 MeV Warning ThresholdChart context menuUpdated 2025-07-24 06:40UTCZoom6 Hour1 Day3 Day7 DayJul 22Jul 24

Ovation Auroral Forecast

Aurora ovation plot

Solar Visible Light

Solar Visible Light Image

WSA-Enlil Solar Wind Prediction

ENLIL Image
Created with Highcharts 8.0.4Universal TimeKp indexChart context menuEstimated Planetary K index (3 hour data)Jul 22Jul 23Jul 2403:0006:0009:0012:0015:0018:0021:0003:0006:0009:0012:0015:0018:0021:0003:0006:0009:0012:0015:0018:0021:00Jul 2501234567890123456789Space Weather Prediction CenterBegin: Tue, 22 Jul 2025 00:00:00 GMT
Updated Time: 2025-07-24T03:00:00.000Z
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)

Total Electron Content

Total Electron Content