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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, July 30, 2021 15:20:17

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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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Four panel visualization of WAM-IPE model output.
SWPC and the National Solar Observatory (NSO) have operationalized the near-real-time processing of GONG space weather data.
Geospace Model Version 2.0 Begins Operations in Support of Power Grids
Wednesday, July 21, 2021 16:03 UTC

The first of its kind model will allow us to issue new forecast products.

Tuesday, May 25, 2021 19:57 UTC

SWPC and the National Solar Observatory (NSO) have operationalized the near-real-time processing of GONG space weather data.

Thursday, May 20, 2021 21:14 UTC

Just like we experience weather on Earth, there’s weather in space!

Tuesday, February 02, 2021 17:15 UTC

On February 3, 2021*, Geospace Model Version 2.0, which is part of the University of Michigan’s Space Weather Modeling Framework, will commence ope

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