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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, March 16, 2026 21:21:22

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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
G2 Moderate Geomagnetic Storm Watch Issued Monday, March 16, 2026 - 21:15
R1 Event Early on 16 March 2026 R1 Event Early on 16 March 2026 Monday, March 16, 2026 - 14:07
CH HSS begin Friday, 13 March CH HSS Influences Expected Going into the Weekend (13-15 March) Wednesday, March 11, 2026 - 15:42
Eclipse Season for GOES Satellites is Here Eclipse Season for GOES Satellites is Here Tuesday, March 10, 2026 - 14:54
Low Solar Activity Anticipated During the Week (9 - 13 March) Low Solar Activity Anticipated During the Week (9 - 13 March) Monday, March 9, 2026 - 14:45

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