NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Saturday, November 23, 2024 17:58:35

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) Geomagnetic Storming Observed

Potential Aurora Borealis Viewing Locations
G1 (Minor) Geomagnetic Storming Observed
published: Friday, March 18, 2016 06:08 UTC

G1 (Minor) geomagnetic storm levels were observed at 16/2246 UTC (6:46 PM Eastern), at 17/0222 UTC (10:22 PM Eastern), and again at 17/0549 UTC (1:49 AM Eastern) due to continued coronal hole high-speed stream influence. There is a G1 Warning valid until 17/0900 UTC (5:00 AM Eastern) as activity is expected to persist overnight in the North American night time sector.