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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 17, 2024 18:16:18

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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.

News Archive

Originally Posted
G1 Minor storm level explanation. Enlil forecast model image. G1 Minor Storm levels likely on 24-26 Jan 2024 Tuesday, January 23, 2024 - 19:21
R2 (Moderate) Radio Blackout Observed Tuesday, January 23, 2024 - 05:11
G2 (Moderate) Geomagnetic Storm Watch for 22-23 Jan Sunday, January 21, 2024 - 07:56
What to Expect in Solar Cycle 25 What to Expect from the Peak of Solar Cycle 25 Friday, January 19, 2024 - 16:49
X5.0 Flare Closes Out the 2023 Year Sunday, December 31, 2023 - 22:20

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