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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 04:16:04

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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

Originally Posted
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
CME passage depicted in shaded area Anticipated CME Passes Quietly By The Earth Sunday, June 28, 2015 - 14:50
The Sun produces yet another Earth-directed event Thursday, June 25, 2015 - 18:28
Yet another R2 flare from NOAA Region 12371 Thursday, June 25, 2015 - 13:46

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