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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, March 11, 2026 15:02:23

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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
G1 Storm Watch for 01 March 2019 Tuesday, February 26, 2019 - 21:53
CH70 & RGN 2733 CH 70 and RGN 2733 Updates Monday, January 28, 2019 - 19:34
2023 Space Weather Workshop - April 17-21, 2023 Banner 2023 Space Weather Workshop - April 17-21, 2023 Tuesday, January 22, 2019 - 17:39
New JSON Data Now Available Monday, December 3, 2018 - 20:44
G1 (Minor) Geomagnetic Storm Watch Issued (01-02 Dec) Tuesday, November 6, 2018 - 20:59

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