NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, October 09, 2025 01:24:48 UTC

Main menu

NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
close
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

Electric Power Community Dashboard - Experimental

Geoelectric Field Models - US CANADA 1D
GEOELECTRIC US-Canada 1D animation
Geoelectric Field Models - EMPIRICAL EMTF 3D MODEL
GEOELECTRIC EMPIRICAL EMTF - 3D MODEL animation
Updated Time:
NOAA Scales Geomagnetic Storms
Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)

WSA-Enlil Solar Wind Prediction

ENLIL Image

For more information about the Geoelectric Field Models, click here

For more information about the Geoelectric Field Models, click here