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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, June 01, 2023 00:51:54

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NOAA Scales

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Space Weather Conditions
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
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R
no data
S
no data
G
no data
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: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu

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The aviation session at Space Weather Workshop.
Wednesday, May 31, 2023 23:55 UTC

A slow-rising, long-lasting R1 (Minor HF Radio Blackout) event took place on 31 May, 2023.

Tuesday, May 30, 2023 20:47 UTC

SWPC has a vacancy that it is currently accepting applications for.  The SWPC Forecast Operations Lead is open from May 23 to June 5, 2023 and the

Thursday, April 27, 2023 21:14 UTC

April 27, 2023 – Space weather scientists, academia, industry, and end-users from across the world

Monday, April 24, 2023 17:24 UTC

FEMA has developed a training module that introduces both space weather and space weather impacts.  It also provides excellent background on the US

Serving Essential Space Weather Communities

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES Proton Flux

Updated Time:
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)