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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 09:25:41

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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
G1-Minor Storm Watch Issued for 16 Sep Wednesday, September 13, 2017 - 22:03
SDO Composite imagery/Geomagnetic Activity Forecast G1-Minor Storm Watch issued for 2 April, 2016 Wednesday, March 30, 2016 - 21:02
G1 Watch with potential impacts map G1-Minor Storm Watch issued for 22 March 2018 Tuesday, March 20, 2018 - 06:14
Aurora Forecast Model G2 (Moderate) - Geomagnetic Storm Conditions Monday, September 7, 2015 - 17:39
G2 (Moderate) Geomagnetic Storm Alert on 04 Sep Sunday, September 4, 2022 - 12:26

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