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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, March 11, 2026 16:59:27

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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
DSCOVR Is Once Again Operational Tuesday, March 3, 2020 - 04:17
NWS Spring Safety Campaign NWS Spring Safety Campaign Tuesday, February 25, 2020 - 16:44
Solar Cycle 25 Forecast Solar Cycle 25 Forecast Update Monday, December 9, 2019 - 22:30
NWS Winter Safety Campaign NWS Winter Safety Campaign Monday, December 2, 2019 - 19:51
Mercury Transits the Sun on Monday, November 11th, 2019 Friday, November 8, 2019 - 05:42

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