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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, December 20, 2024 22:08:24

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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

Global Positioning System (GPS) Community Dashboard

U.S. Total Electron Content

U.S. Total Electron Content plot

WSA-Enlil Solar Wind Prediction

ENLIL Image

Ovation Auroral Forecast

Aurora ovation plot

Space Weather Overview

Space Weather Overview plot

GOES Solar Ultraviolet Imager

Solar Ultraviolet Image
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