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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, May 28, 2017 06:33:15

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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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Sunday, May 28, 2017 04:49 UTC

UPDATE: A G3 (Strong) geomagnetic storm alert was issued at 28/0419 UTC due to activity associated with the 23 May CME.  Although the solar wind sp

Saturday, May 27, 2017 23:09 UTC

A G1 (Minor) geomagnetic storm alert was issued at 2255 UTC on 27 May due to activity associated with the 23 May CME.

Saturday, May 27, 2017 22:43 UTC

A G1 (Minor) geomagnetic storm warning has been issued from 2204 UTC on 27 May to 0600 UTC on 28 May due to activity associated with the 23 May CME

Tuesday, May 09, 2017 15:03 UTC

SWPC is pleased to announce that we have transitioned the entire set of Geospace model derived products from experimental to fully operational in o

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