NOAA SEC Space Weather Advisory Outlook #04- 17
Official Space Weather Advisory issued by NOAA Space Environment Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #04- 17
2004 April 27 at 8:59 a.m. MDT (2004 April 27 1459 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For April 19-25
Categories R1 (minor) radio blackouts occurred on 22, 23 and 25 April
due to flare activity from active sunspot Regions 596, 597 and 599
respectively. Category G1 (minor) radio blackouts occurred on 23 April
due to high-speed solar winds from a coronal hole on the Sun. For a
list of adverse system effects related to space weather storms, please
refer to the NOAA Space Weather Scales.
Outlook For April 28-May 4
Space weather for the next week is expected to reach minor levels.
There is a chance for Category R1 (minor) radio blackouts due to flare
activity from Regions 596 and 599. Category R1 (minor) geomagnetic
activity is expected due to high-speed solar winds from a coronal
hole.
For current space weather conditions please refer to:
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.
