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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, December 03, 2018 20:15:10

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NOAA Scales

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Space Weather Conditions
on NOAA Scales
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
on NOAA Scales
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 News Announcement
NWS Fall 2018 Safety Campaign
2019 Space Weather Workshop Banner
SWPC Website only to Support HTTPS Protocol Beginning September 17
Monday, September 10, 2018 14:34 UTC

Beginning September 17, 2018, at approximately 1200 UTC (0800 ET), the SWPC website will no longer support HTTP format for its data service.

NWS Fall 2018 Safety Campaign is On!
Tuesday, September 04, 2018 04:17 UTC

Autumn is rapidly approaching!

2019 Space Weather Workshop - 1-5 April, 2019
Tuesday, July 03, 2018 00:25 UTC

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

NWS Summer Weather Safety Campaign is on!
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