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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, July 21, 2018 13:31:01

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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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2019 Space Weather Workshop Banner
Output from SWPC/UMich Geospace Model
Space Weather Enterprise Forum 2018
Tuesday, July 03, 2018 00:25 UTC

The date and location for the 2019 Space Weather Workshop have now been determined by UCAR.

Wednesday, June 27, 2018 19:22 UTC

Attention Wing Kp Model Users - In mid June 2018, the US Air Force made a change to its Wing Kp model process which caused SWPC to cease ingesting

Tuesday, June 05, 2018 15:59 UTC

Registration is now open for the 2018 Space Weather Enterprise Forum!

Wednesday, May 30, 2018 19:50 UTC

It's time to think about summer weather safety.

Serving Essential Space Weather Communities

The Sun's X-Rays

Solar X-Ray Imager Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES X-Ray flux plot

GOES Proton Flux

GOES Proton Flux plot

Estimated Planetary K-Index

Planetary K Index plot