NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, April 16, 2024 06:12:30

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) Storming Conditions met at 20/0259 UTC (19/2259 ET)

G1 Alert
G1 (Minor) Storming Conditions met at 20/0259 UTC (19/2259 ET)
published: Wednesday, September 21, 2016 00:26 UTC

G1 (Minor) storming conditions first met at 20/0259 UTC. Conditions are in response to elevated solar wind speeds and favorable interplanetary magnetic field orientation from a coronal hole high speed stream.