NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA

2011 August 16 at 9:45 a.m. MDT (2011 August 16 1545 UTC)


Summary For August 8-14 Category R1 (minor) radio blackouts occurred on 08 August and early on 09 August from Region 1263. Region 1263 also produced a category R3 (strong) radio blackout at 0805 UTC on 09 August. A radiation storm reaching the S1 category (minor) occurred on 09 August.

Outlook For August 17-23 No space weather storms are expected.

For current space weather conditions see: Space Weather Now, Today's Space Weather and Space Weather Alerts

Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, the International Space Environment Services and other observatories, universities, and institutions. For more information, including email services, see SWPC's Space Weather Advisories Web site or (303) 497-5127.

NOAA Space Weather Scales - Description of catagories used in Outlooks.