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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, December 13, 2018 02:35:08

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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
Negative Polarity Coronal Hole High Speed Streams G1 (Minor) Geomagnetic Storms Likely on 31 July and 01 August Thursday, July 30, 2015 - 22:30
Power Interuption at SWPC Thursday, July 30, 2015 - 01:45
21st Century Blue Marble Tuesday, July 21, 2015 - 16:56
Ovation Aurora Forecast Model G1 Minor geomagnetic activity Saturday, July 11, 2015 - 07:02
A coronal hole is now in a geoeffective position and G1-Minor geomagnetic storms commenced at 1935 UTC (3:35pm ET) on this 4th of July G1-Minor Geomagnetic Storms In Progress Saturday, July 4, 2015 - 20:20

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