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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, March 11, 2026 16:19:56

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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.

DAP - temp Head Section

News Archive

Originally Posted
Multiple M-class flares observed, GOES SUVI 094 imagery Multiple R1-R2 radio blackouts observed Monday, August 29, 2022 - 20:56
G1 (Minor) Geomagnetic Storm Watch for 28-29 August Saturday, August 27, 2022 - 17:15
A picture of the ionosphere reflecting radio waves R2 (Moderate) Flare from Region 3089 Friday, August 26, 2022 - 16:19
An image of the planetary K index (Kp) over the last 3 days. Blustery Solar Wind Continues Thursday, August 18, 2022 - 19:19
Short Term Aurora Forecast Short Term Aurora Forecast Tuesday, August 16, 2022 - 22:42

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