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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, September 30, 2022 08:56:35

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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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Experimental Aurora Dashboard Available
Planetary K-Index Plot Changes
What is a CME?
Thursday, September 29, 2022 19:22 UTC

On September 29, SWPC deployed a new experimental Aurora Dashboard.

Tuesday, September 06, 2022 14:07 UTC

iPhone and users of the Safari web browser on Macs users have reported issues with this new product.  We have temporarily rolled back this change w

Friday, August 26, 2022 18:20 UTC
Thursday, December 09, 2021 17:13 UTC

Coronal Mass Ejections (CMEs) are large expulsions of plasma and magnetic field from the Sun’s corona.

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

Estimated Planetary K-Index

Planetary K Index plot