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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, August 11, 2020 09:41:26

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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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Predicted Kp Data File Change
GOES-14 & 15 now in storage mode
Monday, June 01, 2020 20:04 UTC

For the first time since 20 Oct 2017, an M1 (R1-Minor) X-ray flare was observed from the Sun.

Monday, June 01, 2020 20:02 UTC

We are now transitioning from spring to summer weather patterns, are you ready?

Monday, May 04, 2020 17:30 UTC

SWPC is changing its Kp JSON product to include only 3 days of predictions.

Wednesday, March 11, 2020 19:49 UTC
GOES-14 and GOES-15 have now been placed into storage mode. GOES-16 is now the primary and exclusive GOES source for space weather data.

Serving Essential Space Weather Communities

The Sun (EUV)

Solar Ultraviolet Image

Coronal Mass Ejections

LASCO C3 Coronagraph Image

The Aurora

Aurora ovation plot

GOES X-Ray Flux

GOES Proton Flux

Estimated Planetary K-Index

Planetary K Index plot