NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Monday, April 20, 2026 21:32:19

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

News Archive

Previous SWPC news items.

DAP - temp Head Section

News Archive

Originally Posted
What is a geomagnetic storm? Tuesday, March 17, 2015 - 15:08
Planetary K-indices declining Geomagnetic Storm Subsiding - G1 (Minor) Storm still possible. Wednesday, March 18, 2015 - 11:25
Tutorial on electric power grid impacts Tuesday, March 17, 2015 - 15:04
enlil output G1 (minor) Geomagnetic Storm Watch for 18 March Monday, March 16, 2015 - 15:32
Falcon rocket carrying DSCOVR satellite DSCOVR headed to orbit! Wednesday, February 11, 2015 - 23:30

Pages