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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, July 29, 2024 22:06:02

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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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Geomagnetic Storm Watches Now Continue Into 1 August
Geomagnetic Storm Watches in Effect 29-31 July
Geomagnetic Storm Watches Now Continue Into 1 August
Monday, July 29, 2024 22:02 UTC

Geomagnetic storm watches are out for July 30th to August 1st due to a number of CMEs (coronal mass ejections).

Geomagnetic Storm Watches in Effect 29-31 July (up to G3; Strong)
Monday, July 29, 2024 13:55 UTC

Geomagnetic storm watches are out for 29-31 July due to a number of coronal ma

Strong (R3) Flare Activity Observed - 29 July 2024
Monday, July 29, 2024 03:09 UTC

An impulsive X1.5 (R3-Strong) solar flare was observed at 29/0233 UTC from SWPC Region 3764 (S05W04).

Request for Information on Space Weather Scales by July 31
Friday, July 26, 2024 21:51 UTC

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

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)