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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, July 20, 2018 01:01:12

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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
Output from SWPC/UMich Geospace Model USAF Wing Kp Model Removed from SWPC Website Wednesday, June 27, 2018 - 19:22
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

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