NOAA / Space Weather Prediction Center
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #12-53
2012 November 18 at 5:39 p.m. MST (2012 November 19 0039 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For November 12-18
Category G2 (Moderate) geomagnetic storms occurred on 14 November due to the residual effects of the 09 and 10 November CMEs that merged and arrived at Earth late on 12 November, combined with the onset of a coronal hole high speed stream.
Category R2 (Moderate) radio blackouts were observed on 13 November due to solar flare activity.
Outlook For November 19-25
Category R1 (Minor) radio blackouts are possible through 25 November due to solar flare activity.
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 http://swpc.noaa.gov/advisories or (303) 497-5127.
NOAA Space Weather Scales - Description of catagories used in Outlooks.
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