NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Wednesday, April 17, 2024 14:04:44

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

Minor-Moderate (G1-G2) Geomagnetic Storms Continue - Strong (G3) Storms Expected

Minor-Moderate (G1-G2) Geomagnetic Storms Continue - Strong (G3) Storms Expected
published: Tuesday, May 10, 2016 06:06 UTC

A warning for G3 (Strong) geomagnetic storms is in effect until 09/0400 UTC and warnings for G1-G2 (Minor-Moderate) storms is valid until 09/0600 UTC.