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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, April 20, 2024 03:46:14

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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
R3 (Strong) Radio Blackout Region 2192 with another R3 (Strong) Radio Blackout Friday, October 24, 2014 - 21:34
Region 12192 Biggest Since 1990 Region 12192 Biggest in 2 Solar Cycles (Updated) Friday, October 24, 2014 - 19:45
Region 12192 Biggest in 2 Solar Cycles (Updated) Tuesday, October 28, 2014 - 14:03
DRAP image Recent R3 (NOAA Scale - Strong) Solar Flare Wednesday, September 10, 2014 - 18:02
Recent activity Monday, September 29, 2014 - 21:44

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