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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, May 27, 2015 03:09:39

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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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Executive Office of the President Seal
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A picture of the aurora over top of a dome structure in the snow
Thursday, May 07, 2015 20:01 UTC

The Office of Science and Technology Policy (OSTP), within the Executive Office of the President of the United States, released for public comment

Saturday, March 28, 2015 01:55 UTC

A general interest story on DSCOVR in the American Geophysical Union's EOS magazine.  

Wednesday, January 14, 2015 00:42 UTC

If you have questions about the new website, we likely answer them here.

Thursday, October 09, 2014 22:31 UTC

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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