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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, March 23, 2025 17:50:45

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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.

News Archive

sort ascending Originally Posted
What to Expect in Solar Cycle 25 What to Expect from the Peak of Solar Cycle 25 Friday, January 19, 2024 - 16:49
What is a geomagnetic storm? Tuesday, March 17, 2015 - 15:08
Earth-directed CME as viewed at 21 Apr 1848 UTC by the LASCO Coronagraph aboard NASA's Solar and Heliospheric Observatory spacecraft. What is a Coronal Mass Ejection (CME)? Tuesday, December 8, 2020 - 21:24
What Are Northern Lights? Wednesday, November 2, 2016 - 18:57
Weekend Forecast Outlook (15-18 Aug) Weekend Forecast Outlook (15-18 Aug) - G1 Watch on 18 Aug UTC-Day Thursday, August 15, 2024 - 16:04

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