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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, August 11, 2020 10:35:27

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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

sort ascending Originally Posted
What Are Northern Lights? Wednesday, November 2, 2016 - 18:57
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

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