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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, July 17, 2025 04:48:25

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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
Aurora three day forecast A G1 Warning is in effect from 02/2005-03/0600 UTC Tuesday, August 2, 2016 - 21:02
G3 Storm for New Year's Eve Day A New Year's Eve Day Geomagnetic Storm is Anticipated - G3 Watch Monday, December 30, 2024 - 17:07
WSA Enlil model run A pair of CMEs Thursday, September 11, 2014 - 05:45
Activity from Region 2158... Tuesday, September 9, 2014 - 04:56
Additional CME Activity Tuesday, December 23, 2014 - 14:39

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