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National Oceanic and Atmospheric Administration

Friday, April 19, 2024 20:55:50

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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

43 Years of Solar Synoptic Maps featured in video on Slate.com

43 Years of Solar Synoptic Maps featured in video on Slate.com
published: Monday, September 21, 2015 20:41 UTC

Slate.com posted a video showcasing each hand-drawn Solar Synoptic Analysis completed by NOAA Space Weather Forecasters during the past 43 years. The video compiles approximately 15,000 images and animates sunspots, coronal holes and other notable features from June, 1972 through June, 2015. Watch the video here!