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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, August 27, 2025 02:29:36

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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

Originally Posted
Speedy CME Erupts from the Far-Side of the Sun on 21 Aug Speedy CME Erupts from the Far-Side of the Sun on 21 Aug Thursday, August 21, 2025 - 19:00
G2 Moderate storm Key messages and current aurora forecast image G2 (Moderate) Geomagnetic Storm levels reached Saturday, August 9, 2025 - 18:32
G1-G2 (Minor-Moderate) Watch Issued for 08-09 Aug 2025 Wednesday, August 6, 2025 - 18:59
SWPC is Hiring! SWPC is Hiring! Tuesday, August 5, 2025 - 15:50
SWFO-L1 Arrives in Florida for Final Launch Prep Monday, July 21, 2025 - 20:06

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