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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, July 09, 2020 05:26:53

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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
Tuesday, June 02, 2020 21:15 UTC

New solar cycle progression plots and JSON files will per

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.

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