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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, March 12, 2026 02:00:16

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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
Comet 96P Machholz in SOHO Comet 96P Machholz Observed by NASA/SOHO Instrument Wednesday, February 1, 2023 - 18:05
Comet Nights Feb 2023 The "Green Comet" is Racing up the Northern Sky at Night! Tuesday, January 31, 2023 - 22:11
Space Weather Advisory Group Meeting at Dept. of Commerce Wednesday, January 18, 2023 - 19:50
Test Thursday, January 12, 2023 - 13:44
R3 Strong radio blackout/ D-rap/GOES SUVI imagery Another X1 flare (R3 (Strong) radio blackout Wednesday, January 11, 2023 - 05:49

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