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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, March 27, 2015 03:36:04

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NOAA Scales

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Space Weather Conditions
R
no data
S
no data
G
no data
R
no data
S
no data
G
no data
Yesterday
R
no data
S
no data
G
no data
Today's Max Observed
R
no data
S
no data
G
no data
Now
R
no data
S
no data
G
no data
Predicted: Rest of Today
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
Tomorrow
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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2015 SWW - Registration Open
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A picture of the aurora over top of a dome structure in the snow
Friday, March 06, 2015 19:53 UTC

The 2015 Space Weather Workshop will be held April 14 - 17, in Boulder, Colorado.

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

Sign up for e-mail alerts via the Product Subscription Service.

Friday, November 14, 2014 23:04 UTC

The use of single and dual frequency radio navigation systems, like GPS, has grown dramatically in the last decade.

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