From: LARRY KLAES (ljk4_at_msn.com)
Date: Tue Sep 23 2003 - 22:02:08 PDT
----- Original Message -----
From: Space Environment Center
Sent: Tuesday, September 23, 2003 7:44 PM
To: advisory-list-send_at_dawn.sec.noaa.gov
Subject: Space-Weather-Outlook
Official Space Weather Advisory issued by NOAA Space Environment Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #03- 38
2003 September 23 at 7:40 a.m. MDT (2003 September 23 1340 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For September 15-21
Space weather during the past week reached strong levels. A Category G3
(strong) geomagnetic storm occurred on September 17th. By September
18th, the storm decreased to a category G2 (moderate) and on September
19th 21st was a category G1(minor). The intensity of this storm was
due to the high speed solar winds associated with a large coronal hole
and the southward oriented component of the solar winds magnetic
field. A category R1 (minor) radio blackout also occurred during the
week due to an energetic solar flare on September 16th at 4:24 P.M. MDT
(2224 UTC). For a list of adverse system effects related to space
weather storms, please refer to the NOAA Space Weather Scales.
Outlook For September 24-30
Space weather for the next week may reach minor levels. Early in the
week, a category G1 storm is possible due to continuing effects from
the high speed solar winds associated with the large coronal hole.
There is also a slight chance of a category R1 radio blackout from a
moderately sized active sunspot region that has just rotated onto the
visible side of 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.
The NOAA Public Affairs contact is Barbara McGehan at
Barbara.McGehan_at_noaa.gov or (303) 497-6288.
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