NOAA SEC Space Weather Advisory Bulletin #04- 51

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

SPACE WEATHER ADVISORY OUTLOOK #04- 51

2004 December 21 at 11:24 a.m. MST (2004 December 21 1824 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For December 13-19

There were no space weather storms meeting NOAA Space Weather Scale
criteria.

Outlook For December 22-28

Occasional minor (G1) geomagnetic storm periods are expected due to high
speed solar wind 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.