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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, February 20, 2017 08:38:46

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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

Originally Posted
Brief Outages 21-22 February Brief Outages Expected on February 21 and 22 Wednesday, February 15, 2017 - 17:41
G1 Watch for 1 and 2 February G1 (Minor) Storm Watch Continues for 1-2 February Thursday, February 2, 2017 - 01:05
G1 Warning and Geospace delta B plot G1 (Minor) Storm Warning Extended until 02/0600 UTC Wednesday, February 1, 2017 - 20:00
G1 Warning and Auroral Oval Forecast G1 (Minor) Warning in Effect through 01 Feb 0600 UTC Wednesday, February 1, 2017 - 00:26
Aurora oval forecast 5 Jan 2017 G1-Minor geomagnetic Storm Warning Thursday, January 5, 2017 - 23:48

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