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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 25, 2024 17:31:01

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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 Postedsort descending
G2 Watch issued for 13 September; G1 Watch issued for 14 September G2 Watch issued for 13 September; G1 Watch issued for 14 September Monday, September 11, 2017 - 20:10
S1 Warning/D-Rap model chart S1 Radiation Storm Warning extended Wednesday, September 13, 2017 - 21:54
G1-Minor Storm Watch Issued for 16 Sep Wednesday, September 13, 2017 - 22:03
G1 (Minor) Geomagnetic Storm Warning Issued G1 (Minor) Geomagnetic Storm Warning Issued Thursday, September 14, 2017 - 14:59
G1 (Minor) Geomagnetic Storm Conditions Observed G1 (Minor) Geomagnetic Storm Conditions Observed Thursday, September 14, 2017 - 16:20

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