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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, March 11, 2026 18:53:17

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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 Postedsort ascending
R2 (Moderate) Radio Blackout Observed on 01 Feb Sunday, February 1, 2026 - 10:56
SWPC Decision-Support for Artemis II SWPC Decision-Support for Artemis II Thursday, January 29, 2026 - 19:06
SCN Notice for Product UPDATE: Service Change Notice for 45-Day Ap and F10.7 Forecast Thursday, January 29, 2026 - 18:12
SOLAR-1 is new name for SWFO-L1 SOLAR-1 Is Now The New Designation for SWFO-L1 Tuesday, January 27, 2026 - 16:32
Update: G4 (Severe) Geomagnetic Storm Alert Issued Tuesday, January 20, 2026 - 08:52

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