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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 22, 2026 03:24:05

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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.

DAP - temp Head Section

News Archive

Originally Posted
G2 Storm Alert explanation with current Ovation model G2 - Moderate geomagnetic storm levels reached Sunday, April 19, 2026 - 09:43
G2 (Moderate) geomagnetic storm watches for 17-18 April. Thursday, April 16, 2026 - 02:25
CCOR-1 Captures Comet C/2026 A1 CCOR-1 Captures Comet C/2026 A1 Tuesday, April 7, 2026 - 13:31
SCN for Upcoming JSON Modifications and Changes SCN for Upcoming JSON Modifications and Changes Tuesday, March 3, 2026 - 16:48
G2 Key Messages and Aurora Forecast Ovation Model G2 (Moderate) levels reached Thursday, April 2, 2026 - 19:35

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