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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, June 30, 2025 22:27:21

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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 descending Originally Posted
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
What Are Northern Lights? Wednesday, November 2, 2016 - 18:57
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 is a geomagnetic storm? Tuesday, March 17, 2015 - 15:08
What to Expect in Solar Cycle 25 What to Expect from the Peak of Solar Cycle 25 Friday, January 19, 2024 - 16:49

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