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National Oceanic and Atmospheric Administration

Friday, August 09, 2024 18:30:07

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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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Solar Cycle 25 Likely Reached the Highest Sunspot Number in over 20 Years
G2 (Moderate) Geomagnetic Storm Watch 09-11 Aug
Space Weather Weekend Outlook Forecast for 9-11 August
Solar Cycle 25 Likely Reached the Highest Sunspot Number in over 20 Years
Friday, August 09, 2024 18:27 UTC

Solar Cycle 25 likely reached the highest sunspot number yet - a value of at least 299.

R3 (Strong) Radio Blackout Observed 08 Aug
Thursday, August 08, 2024 20:42 UTC

AR 3774 produced a X1.3 flare at 08/1935 UTC.

G2 (Moderate) Geomagnetic Storm Watch for 09-11 Aug
Thursday, August 08, 2024 19:31 UTC

A G2 (Moderate) geomagnetic storm watch is in place for 09-11 August in response to CME event's that left the sun on 07-08 Aug.

Space Weather Weekend Outlook Forecast for 9-11 August
Thursday, August 08, 2024 19:30 UTC

Highlights include continuing R1-R2 (Minor-Moderate) events and likelihood of G2 (Moderate) levels.

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)