NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, October 21, 2018 11:07:12

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
G2 (Moderate) Watch Issued for 02 August Saturday, July 30, 2016 - 21:14
G2 (Moderate) Watch Issued for 03 January Saturday, January 2, 2016 - 19:03
Aurora visibility information chart G2 (Moderate) watch issued for 17, 18, and 19 May Saturday, May 13, 2017 - 20:05
G2 Conditions Return Wednesday, September 9, 2015 - 05:23
G2 Conditions Observed 11 Sep G2 Storm Conditions Observed 11 September, 2018 Tuesday, September 11, 2018 - 19:47

Pages