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

SPACE WEATHER ADVISORY OUTLOOK #05- 29
2005 July 19 at 10:19 a.m. MDT (2005 July 19 1619 UTC)

**** SPACE WEATHER OUTLOOK ****

 

Summary For July 11-17

Category R1 – (minor) on 12, 13, 14, and 16 July, category R2 –(moderate) on 13 and 14 July, and category R3 (strong) on 14 July radio blackouts occurred due to solar flare activity from NOAA sunspot Regions 786 and 790. Category G1 – (minor) on 11, 12, 13, and 17 July and category G2 – (moderate) on 12 July geomagnetic storm periods were observed due to clouds of magnetic material from activity on the Sun impacting Earth.

Outlook For July 20-26
Category G1 – (minor) and G2 – (moderate) geomagnetic storming is possible on 20 - 22 July 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