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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, February 20, 2024 19:30:15

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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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What to Expect in Solar Cycle 25
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.
Tuesday, January 30, 2024 20:47 UTC

The workshop will be held in person along with a virtual component, April 15-19, 2024 in Boulder, CO

Friday, January 19, 2024 16:49 UTC

Solar Cycle 25 progression continues and the peak of solar maximum is approaching.

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.

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)