NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2012 February 21 at 3:20 p.m. MST (2012 February 21 2220 UTC)


Summary For February 13-19

Category G1 (Minor) geomagnetic storms occurred on 15 and 19 February. The first occurrence was the result of a CME arrival.The second was the result of coronal hole high speed stream effects.

Outlook For February 22-28

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.