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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, May 13, 2024 02:21:54

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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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POSTPONED
Geomagnetic Storming to Persist Tonight
Monday, May 13, 2024 01:28 UTC

Conditions are expected to gradually wane into Monday.

G3 Geomagnetic Storm WARNING in effect until 06 UTC on May 13
Monday, May 13, 2024 01:28 UTC

G3 conditions are expected once again.

Yet Another X-class Flare!
Monday, May 13, 2024 01:27 UTC

NOAA Sunspot Region 3664 just produced another X-class flare.

Network Outage Rescheduled for 14 May 2024
Monday, May 13, 2024 01:26 UTC

The required Space Weather Prediction Center (SWPC) major network upgrade has been rescheduled for Tuesday, May 14, 2024.

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)