Official Space Weather Advisory issued by NOAA Space Environment Center

Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #05- 25

2005 June 21 at 10:20 a.m. MDT (2005 June 21 1620 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For June 13-19

Category G1 – minor (13, 15, and 16 June) and category G2 – moderate (13 and 16 June) geomagnetic storm periods were observed due to clouds of magnetic material from activity on the Sun impacting Earth. A category S1 – minor (16 and 17 June) solar radiation storm was observed following solar flare activity from active sunspot region 775.

Outlook For June 22-28

Category G1 – minor geomagnetic storming is possible on 25 – 26 June due to high speed solar winds from a coronal hole on the Sun.

For current space weather conditions please refer to:

http://www.sec.noaa.gov/SWN/

http://www.sec.noaa.gov/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. More information is available at SEC's Web site http://sec.noaa.gov