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Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, April 18, 2024 11:51:48

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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 Postedsort descending
An image depicting the characters Q & A New Website Q&A Tuesday, December 16, 2014 - 09:08
Potential minor impacts from the R2 Moderate radio blackout event Thursday, December 18, 2014 - 04:36
Enlil model depiction Possible G1/G2 Geomagnetic Storms Friday, December 19, 2014 - 14:18
ACE SWEPAM plot showing interplanetary shock arrival. Interplanetary Shock Arrived at ACE - Geomagnetic Disturbance in Progress Sunday, December 21, 2014 - 21:26
Additional CME Activity Tuesday, December 23, 2014 - 14:39

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