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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, May 08, 2024 05:56:05

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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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Increased Solar Flare Chances 8-10 May
POSTPONED
R3 (Strong) HF Radio Blackouts Observed 08 May
Wednesday, May 08, 2024 05:51 UTC

Both Regions 3663 and 3664 have produced X1 level flares as of early 08 May (UTC). The latest, pictured here, comes from Region 3664.

Large and Complex Sunspot Groups Lead to Increased Solar Flare Chances
Tuesday, May 07, 2024 16:14 UTC

Sunspot Region 3663's history of activity and the continued growth and complexity of Region 3664, are leading to increased solar flare risk.

Network Outage Rescheduled for 13 May 2024
Tuesday, April 23, 2024 20:25 UTC

The required Space Weather Prediction Center (SWPC) major network upgrade has been rescheduled for Monday, 13 May, 2024.

New Path for Space Weather Collaboration Among Federal Agencies
Monday, April 22, 2024 17:13 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)