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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, March 31, 2015 06:36:02

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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
close
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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Backup test
2015 SWW - Registration Open
An image depicting the characters Q & A
Monday, March 30, 2015 15:42 UTC

On Wednesday, April 1, from 1500 UTC to 2100 UTC (1100am - 500pm EDT), SWPC plans to conduct a test of is backup processing system.  We expect ther

Saturday, March 28, 2015 01:55 UTC

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

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.

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