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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 19, 2024 12:12:14

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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) Geomagnetic Storm Watch Issued for 16 May

G1 (Minor) Geomagnetic Storm Watch Issued for 16 May
published: Tuesday, May 17, 2016 14:36 UTC

A G1 (Minor) geomagnetic storm Watch has been issued for 16 May in anticipation of the arrival of a positive polarity coronal hole high speed stream (CH HSS). This recurrent CH HSS was responsible for G1 (Minor) conditions on its the previous rotation.

Stay tuned here for updates.