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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 23, 2024 21:01:33

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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

G1-Minor Storm Warning issued for 19 April, 2017

Ovation Aurora model/G1 Warning
G1-Minor Storm Warning issued for 19 April, 2017
published: Thursday, April 20, 2017 01:48 UTC

A G1-Minor geomagnetic Storm Warning was issued at 19/0526 UTC (19 April, 0126 EDT). The elevated conditions are a reflection of enhanced solar wind parameters from the influence of a positive polarity coronal hole high speed stream. An Alert will be issued as conditions warrant.

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