NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2012 January 31 at 9:58 a.m. MST (2012 January 31 1658 UTC)


Summary For January 23-29

Category R2 (Moderate) radio blackouts were observed on 23 and 27 January due to flare activity from active sunspot Region 1402. A category S1 (Minor) solar radiation storm was observed on 23 January to the end of the summary period, a category S2 (Moderate) was observed on 23-25 and 27-29 January, and a category S3 (Strong) was observed on 23-24 January due to solar activity from active sunspot Region 1402. A category G1 (Minor) geomagnetic storm occurred on 24 January due to a coronal mass ejection.

Outlook For February 1-7

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.