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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
on NOAA Scales
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
1
2
3
PrevNext
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R
none
S
none
G
none
Current Space Weather Conditions
on NOAA Scales
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

Aviation Community Dashboard

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

Visible Light images from GONG can be viewed on the Testbed website.

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