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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, February 22, 2024 17:26:33

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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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Major Solar Flares on 21-22 Feb; Effects on Cellular Networks Unlikely
Thursday, February 22, 2024 17:23 UTC

The Sun emitted two strong solar flares (both R3 on the NOAA Space Weather Scales), the first one peaking at 6:07 p.m. EST on Feb.

Thursday, February 22, 2024 06:52 UTC

X1.8 and X1.7 flares from Region 3590 occurred at 21/2307 UTC and 22/0632 UTC.

Wednesday, February 21, 2024 20:24 UTC

The National Environmental Satellite, Data, and Information Service (NESDIS) has created an interactive map.

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

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)