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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, November 28, 2021 20:34:24

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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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Image of GOES-R series satellite with instruments labeled.
Four panel visualization of WAM-IPE model output.
Thursday, October 28, 2021 15:25 UTC
The NWS is accepting public comments until October 30, 2021, on a proposal to terminate the legacy Wang Sheeley Arge (WSA) website at the Space W
Friday, September 17, 2021 17:00 UTC

GOES-17 operational data were implemented in SWPC operations on August 24. 

Tuesday, September 14, 2021 20:15 UTC

September 14, 2021 -- NOAA is pleased to announce the appointment of 15 non-government members to the new Space Weather Advisory Group (SWAG).

Wednesday, July 21, 2021 16:03 UTC

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

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