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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 19, 2024 19:10:04

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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-G2 Watches 31 Aug-1 Sep, 2019 G1 Watch 31 Aug & G2 Watch 1 Sep, 2019 UTC-Days Thursday, August 29, 2019 - 20:43
G1 Watch 4-5 Nov G1 Watch 4 - 5 Nov due to CH HSS Effects Thursday, November 3, 2022 - 18:40
G1 Watch Expanded Tuesday, December 6, 2016 - 23:10
G1 Watch 1-2 Aug 2023 G1 Watch for 1-2 August, 2023 Monday, July 31, 2023 - 18:09
G1 Watch Image G1 Watch for 15 March, 2018 UTC Monday, March 12, 2018 - 19:20

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