NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Friday, April 19, 2024 09:30:21

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) Warning in effect through 23/0600 UTC

G1 Warning Auroral Oval Forecast
G1 (Minor) Warning in effect through 23/0600 UTC
published: Wednesday, November 23, 2016 06:05 UTC

G1 (Minor) geomagnetic storm warning now in effect through 23/0600 UTC (23/0100 ET) due to elevated solar wind speeds from anticipated coronal hole high speed stream (CH HSS) influences. The solar wind environment has turned favorable for escalated levels of geomagnetic response to the G1 level. Keep checking our SWPC webpage for the most recent forecasts, alerts and warnings.