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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, October 22, 2017 19:08:39

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NOAA Scales mini

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Space Weather Conditions
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
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

sort ascending Originally Posted
Change Ahead! Website Change Ahead! (UPDATED 10/21/2014) Thursday, October 9, 2014 - 22:07
US-TEC Model Upgrade US-TEC Model Upgrade Wednesday, August 17, 2016 - 17:56
UPDATED - R2 (Moderate) Radio Blackout Tuesday, January 13, 2015 - 11:27
Update: S1-S2 Warning Extended to 8 September/2359 UTC Tuesday, September 5, 2017 - 15:10
UPDATE: S1 Solar Radiation Storm In Progress But Trending Down Thursday, October 29, 2015 - 14:28

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