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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

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Parts of the U.S. Government are closed. However, because the information this site provides is necessary to protect life and property, it will be updated and maintained during the Federal Government shutdown. For critical weather information, please visit www.weather.gov. To learn more, see www.commerce.gov.

Friday, January 18, 2019 08:16:50

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NOAA Scales mini

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Space Weather Conditions
24-Hour Observed Maximums
R
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S
no data
G
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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

G1 (Minor) Geomagnetic Storm Warning Vaild Through 18/0900 UTC

G1 (Minor) Geomagnetic Storm Warning Vaild Through 18/0900 UTC
published: Saturday, February 18, 2017 20:24 UTC

A G1 (Minor) geomagnetic storm warning is in effect from 18/0357 - 18/0900 UTC due to influence from a positive-polarity coronal hole high-speed stream. Visit our website for further information and updates.