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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 26, 2018 17:22:16

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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

G1 (Minor) Storm Warning Extended. G1 Conditions Observed at 22/2359 UTC.

G1 Warning
G1 (Minor) Storm Warning Extended. G1 Conditions Observed at 22/2359 UTC.
published: Thursday, March 23, 2017 07:19 UTC

G1 (Minor) storm warning conditions remain favorable, therefore the G1 Warning has been extended through 23/0300 UTC (22/2300 ET). Elevated solar wind speeds associated with a coronal hole high speed stream (CH HSS) continue at speeds around 700 km/s. G1 storm conditions were observed at 22/2359 UTC. Stay tuned to the SWPC webpage for updates.