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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, July 02, 2024 13:40:39

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NOAA Scales

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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
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R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
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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G1 Watch for 3 July
Monday, July 01, 2024 18:51 UTC

A Minor Geomagnetic Storm (G1) Watch is in effect for Wednesday July 3, 2024. 

GOES-U Satellite Successfully Launched!
Wednesday, June 26, 2024 13:41 UTC

GOES-U, which will be renamed GOES-19 once in orbit, successfully launched from Florida on June 25.

Request for Information on Space Weather Scales
Thursday, June 13, 2024 17:44 UTC

SWPC is seeking information from interested parties regarding a possible revision to the Space Weather Scales (SWS).

New Path for Space Weather Collaboration Among Federal Agencies
Tuesday, June 04, 2024 21:13 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)