NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, November 21, 2024 11:22:32

Main menu

NOAA Scales mini

minimize icon
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
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
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

USAF 45-Day Ap and F10.7cm Flux Forecast

45-day forecast of Ap and F10.7 prepared by the U.S. Air Force. Retransmitted by the Dept. of Commerce, NOAA, Space Weather Prediction Center

45-day forecast of Ap and F10.7 prepared by the U.S. Air Force. Retransmitted by the Dept. of Commerce, NOAA, Space Weather Prediction Center

The current day Ap forecast text file is available, as well as previous data text files.