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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, April 19, 2026 09:49:03

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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

G2 - Moderate geomagnetic storm levels reached

G2 Storm Alert explanation with current Ovation model
G2 - Moderate geomagnetic storm levels reached
published: Sunday, April 19, 2026 09:43 UTC

G2 (Moderate) geomagnetic storm levels reached following persistent coronal hole high speed stream influences. Monitor our webpage for updates.

DAP - temp Head Section