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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, May 21, 2025 02:50:03

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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

Artemis II Testbed Event at SWPC

Artemis II Testbed Event at SWPC
published: Thursday, May 01, 2025 13:18 UTC

Two scenarios are being used over the course of the 3-day exercise involving the Artemis II mission - assumed to be in progress and significant space weather events unfold. This is what it takes to be sure the best support is provided when the Artemis II mission launches in 2026!