NOAA SEC Space Weather Advisory Outlook #07- 21
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #07- 21
2007 May 22 at 01:47 p.m. MDT (2007 May 22 1947 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For May 14-20
No space weather storms were observed during the summary period.
Outlook For May 23-29
Category G1 (minor) and G2 (moderate) geomagnetic storms are possible on 25 May due to a high speed stream from a coronal hole combined with possible effects from an eruption on the Sun from 22 May. Category G1 (minor) geomagnetic storms are possible on 26 May.
For current space weather conditions please refer to:
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
