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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, July 09, 2025 16:53:44

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NOAA Scales mini

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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

News Archive

Previous SWPC news items.

News Archive

sort ascending Originally Posted
Output from SWPC/UMich Geospace Model USAF Wing Kp Model Removed from SWPC Website Wednesday, June 27, 2018 - 19:22
USAF Magnetometer Analysis Product No Longer Available USAF Magnetometer Analysis Product No Longer Available Tuesday, June 10, 2025 - 13:44
US-TEC Model Upgrade US-TEC Model Upgrade Wednesday, August 17, 2016 - 17:56
UPGRADE to G4 Watch for 1-2 June UPGRADE to G4 Watch for 1-2 June Saturday, May 31, 2025 - 20:43
UPDATED - R2 (Moderate) Radio Blackout Tuesday, January 13, 2015 - 11:27

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