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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 24, 2024 15:14:08

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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

S1 (Minor Solar Radiation Storm) on 28 March, 2022

S1 Event on 28 March, 2022
S1 (Minor Solar Radiation Storm) on 28 March, 2022
published: Tuesday, March 29, 2022 19:19 UTC

An S1 (Minor) solar radiation storm began on 28 March, 2022, at 9:25 am EDT (1325 UTC). This event was associated with an M4 flare nearly 2 hours earlier at 7:29 am EDT (1129 UTC). An S1 Warning was issued at 28/1203 UTC in anticipation of reaching this activity level and currently remains in effect until 29/0600 UTC. Please continue to follow our SWPC webpage for any additional information and updates.