NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 24, 2024 07:11:26

Main menu

NOAA Scales mini

minimize icon
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
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
close
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 Conditions Reached late 12 April and early 13 April

Ovation Auroral Model Forecast 13 April at 0245 UTC
G1-Minor Storm Conditions Reached late 12 April and early 13 April
published: Thursday, April 14, 2016 04:30 UTC

G1-Minor Geomagnetic Storm Conditions were reached on 12 April between 2100-2359 UTC (1700-1959 ET) and again on 13 April between 0000-0300 UTC (12/2000-12/2300 ET).  The minor geomagnetic storming was likely the result of expected coronal hole high speed stream effects.