NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, December 22, 2023 18:03:02

Main menu

NOAA Scales

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

Space Weather Summary

  • Solar Wind Speed: km/sec
  • Solar Wind Magnetic Fields: Bt nT, Bz nT
  • Noon 10.7cm Radio Flux: sfu

Slider

New Space Weather Implementation Plan Released
Signing of the Memorandum of Agreement for Space Weather Research-to-Operations-to-Research Collaboration, Eisenhower Executive Office Building, Washington, D.C., Dec. 7, 2023.
Solar Cycle Progression Plots Available
Testbed at SWPC 2023
Friday, December 22, 2023 17:59 UTC

On 20 December, 2023, at a meeting of the National Space Council, the White House Office of Science and Technology Policy (OSTP) released the new

Friday, December 08, 2023 20:42 UTC

Space weather scientists at NOAA and experts across the government celebrated a new collaborative effort to improve space weather forecasts and services to mitigate impacts of space weather.

Monday, December 04, 2023 15:15 UTC

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

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

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)