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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, December 08, 2024 14:09:02

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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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R3 Strong radio blackout/GOES SUVI imagery
NOAA Shares Imagery from GOES-19 CCOR-1
Joint Solar Maximum Announcement from NASA and NOAA
Sunday, December 08, 2024 14:05 UTC

Region 3912 produced an X2.2/2b X-ray flare (R3-Strong radio blackout) on 08 Dec at 0906 UTC (0206 ET).

Saturday, December 07, 2024 07:39 UTC

The 2025 Space Weather Workshop will be held in person along with a virtual component, March 17-21, 2025.

Tuesday, October 22, 2024 17:11 UTC

NOAA Shares Imagery From World’s First Operational Space-based Coronagraph

Wednesday, October 16, 2024 20:55 UTC

The Sun is officially in solar maximum of Solar Cycle 25.

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)