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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, February 09, 2024 23:26:59

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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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S1-S2 Event 9 February, 2024
PCA Event on 9 February 2024
S1-S2 Level Storm in Progress, Beginning 9 February, 2024
Friday, February 09, 2024 23:24 UTC

An S1 (Minor) event began on 9 February, 2024 at 1530 UTC (9/1030 EST) and is expected to last until at least 10/0600 UTC (10/0100 EST).

PCA Event in Progress on 9 February 2024
Friday, February 09, 2024 23:24 UTC

A Polar Cap Absorption Event (PCA) is in progress. The PCA began at 1210 EST (1710 UTC) on 9 February, 2024.

R3 Event (X3 Flare) on 9 Feb 2024
Friday, February 09, 2024 23:23 UTC

An R3 (Strong) event took place early on 9 February, 2024.

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The Sun (EUV)

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The Aurora

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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)