NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Thursday, January 18, 2018 21:45:20

Main menu

NOAA Scales mini

minimize icon
Space Weather Conditions
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
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

G2-Moderate Geomagnetic Storm Watch issued

G2 storming effects and Auroral oval forecast
G2-Moderate Geomagnetic Storm Watch issued
published: Sunday, April 03, 2016 05:45 UTC

A G2-Moderate geomagnetic storm watch has been issued for 2 April in anticipation of the arrival of a negative polarity coronal hole high speed stream (CH HSS). This recurrent CH HSS was responsible for G3-Strong conditions the previous rotation. The G2 Watch upgrades the previous G1-Minor storm watch that was valid for the same period. In addition, a G1-Minor storm watch has been issued for 3 April, due to the the influence from the same CH HSS influence.

Stay tuned here for updates.