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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, June 21, 2021 04:57:36

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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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SWPC and the National Solar Observatory (NSO) have operationalized the near-real-time processing of GONG space weather data.
An image of a Senate Hearing in progress
Image advertising the Space Weather Workshop
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!

Thursday, May 06, 2021 19:27 UTC

"Pursuant to the Promoting Research and Observations of Space Weather to Improve the Forecasting of Tomorrow (PROSWIFT) Act of 2020...

Wednesday, February 24, 2021 18:01 UTC

Space Weather Workshop is an annual conference that brings industry, academia, and government agencies together in a lively dialog about space weat

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