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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, February 01, 2023 18:49:40

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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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Comet 96P Machholz in SOHO
Comet Nights Feb 2023
SWAG Meeting at DOC
Wednesday, February 01, 2023 18:05 UTC

Comet 96P Machholz reached perihelion (closest point to the Sun) on 31 January, 2023.

Tuesday, January 31, 2023 22:11 UTC

Now is the time to look up to the northern night sky!

Wednesday, January 18, 2023 19:50 UTC

The Space Weather Advisory Group (SWAG) is meeting at the Department of Commerce.

Wednesday, January 04, 2023 23:26 UTC

On January 4, 2023, NOAA's National Environmental Satellite Data Service (NESDIS) transitioned the GOES-18 satellite into operations as

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)