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

SPACE WEATHER ADVISORY OUTLOOK #11- 29
2011 June 21 at 11:02 a.m. MDT (2011 June 21 1702 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For June 13-19
No space weather storms were observed.

Outlook For June 22-28
A category G1 (Minor) geomagnetic storm is expected on 24 June with a
chance for isolated  G2 (Moderate) periods due to the arrival of a halo
CME observed early on 21 June.

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. More 
information is available at SWPC's Web site http://swpc.noaa.gov

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