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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 01, 2026 20:13:38

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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
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Latest Observed
R
no data
S
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G
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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
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G
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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
A G2 Watch is in effect for March 31 due to the anticipated arrival of a CME, and a G1 Watch is in effect for April 1st and 2nd due to the anticipated arrival of a coronal hole high speed stream. G2-G1 Watches for Mar 31-Apr 02 UTC-Day Tuesday, March 31, 2026 - 13:57
R3 Event Late on 29 Mar Monday, March 30, 2026 - 04:24
G2 (Moderate) Geomagnetic Storm Watch Extended into 23 Mar Sunday, March 22, 2026 - 21:14
UPDATED: G3 (Strong) Geomagnetic Storming Observed 22 Mar Sunday, March 22, 2026 - 12:54
G2 (Moderate) Geomagnetic Storm Watch for 22 Mar Saturday, March 21, 2026 - 20:18

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