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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, December 06, 2023 01:28:06

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NOAA Scales

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Space Weather Conditions
on NOAA Scales
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
on NOAA Scales
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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Solar Cycle Progression Plots Available
Testbed at SWPC 2023
Solar Cycle 25 Prediction from October 2023
New SWPC Solar Cycle Progression Plots Available for Feedback
Monday, December 04, 2023 15:15 UTC

SWPC has made our new experimental solar cycle 25 progression plot available for feedback.

G1-G2 (Minor-Moderate) Geomagnetic Storm Watches 04-05 Dec, 2023
Saturday, December 02, 2023 22:27 UTC

A coronal hole high speed stream is likely to cause G2 (Moderate) geomagnetic storming on 04 Dec (UTC Day) and G1 (Minor) storming on 05 Dec.

NOAA SWPC Satellite Environment Testbed Exercise 2023
Friday, October 27, 2023 22:49 UTC

Satellite orbital drag and energetic particles topped the list of space weather threats to low-Earth orbit satellites discussed at the Satellite En

NOAA forecasts quicker, stronger peak of solar activity
Wednesday, October 25, 2023 23:55 UTC

NOAA’s Space Weather Prediction Center (SWPC) issued a revised prediction for solar activity during Solar Cycle 25 that concludes solar activity wi

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
Updated Time:
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)