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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, May 29, 2024 15:25:36

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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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R3 Flare from Region 3697 (former Region 3664 of early May)
Request for Communications Impacts from May 2024 G5 Storm
R3 Flare from Region 3697 (former Region 3664 of early May)
Wednesday, May 29, 2024 15:22 UTC

Region 3697 (old region 3664 from early May) has survived solar rotation and produced a long-duration X1 (R3; Strong) flare the morning of 29 May.

Official Request for Communications Impacts from May 2024 G5 Storm
Tuesday, May 28, 2024 20:26 UTC

The Federal Communications Commission’s Public Safety and Homeland Security Bureau (PSHSB or Bureau) seeks comment on any observed impacts to commu

Space Weather Can Impact the Power Grid
Friday, May 24, 2024 18:35 UTC

Did you know that space weather can actually cause power outages? How is this possible?

Space Weather Impacts
Tuesday, May 21, 2024 20:43 UTC

Space weather is a two-sided coin: it creates beautiful auroras, but it can also jeopardize the technologies we rely on daily.

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)