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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, February 13, 2016 15:35:35

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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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SOHO/LASCO C2 coronagraph imagery
An image depicting the characters Q & A
Monday, February 08, 2016 20:13 UTC

The 2016 Space Weather Workshop is around the corner.  Registration is now available!  In addition, support for students is available for qualifyin

Thursday, October 29, 2015 21:59 UTC

Today, OSTP Director John Holdren announced the release of the

Wednesday, September 23, 2015 14:01 UTC

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

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