Official Space Weather Advisory issued by NOAA Space Environment Center

Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #05- 17

2005 April 26 at 01:12 p.m. MDT (2005 April 26 1912 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For April 18-24

Category G1 - minor geomagnetic storming occurred on 20 April due to high speed solar winds from a coronal hole on the Sun.

Outlook For April 27-May 3

Category R1 - minor radio blackouts are possible from new active Region 756. Category G1 (minor) and Category G2 (major) - geomagnetic storming conditions are possible on 01 - 03 May 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. For more information, including email services, see SEC's Space Weather Advisories Web site http://sec.noaa.gov/advisories  or (303) 497-5127.