NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

SPACE WEATHER ADVISORY OUTLOOK #13-15
2013 April 14 at 11:47 p.m. MDT (2013 April 15 0547 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For April 8-14

A category R2 (Moderate) radio blackout was observed on 11 April due to flare activity from active sunspot Region 1719. A category R1 (Minor) radio blackout was observed on 12 April due to flare activity from active sunspot Region 1718. A category S1 to S2 (Minor to Moderate) solar radiation storm was observed on 11 - 12 April due to solar activity from active sunspot Region 1719.

Outlook For April 15-21

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 http://swpc.noaa.gov/advisories or (303) 497-5127.


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