NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Tuesday, November 30, 2021 11:21:51

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

News Archive

Previous SWPC news items.

News Archive

sort descending Originally Posted
Change Ahead! Website Change Ahead! (UPDATED 10/21/2014) Thursday, October 9, 2014 - 22:07
What Are Northern Lights? Wednesday, November 2, 2016 - 18:57
What is a CME? What is a Coronal Mass Ejection (CME)? Tuesday, December 8, 2020 - 21:24
What is a geomagnetic storm? Tuesday, March 17, 2015 - 15:08
Wing Kp Model Output to Change Wing Kp Model Output to Change Friday, August 28, 2015 - 01:34

Pages