NOAA / Space Weather Prediction Center
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #13-17
2013 April 28 at 6:36 p.m. MDT (2013 April 29 0036 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For April 22-28
A category R1 (Minor) radio black out was observed on 22 April due to flare activity from active sunspot Region 1726.
A category G1 (Minor) geomagnetic storm occurred on 26 April due to a coronal hole high speed stream.
Outlook For April 29-May 5
There is a chance for R1 (Minor) radio blackouts throughout the forecast period.
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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