Space Weather Advisory Outlook #02-12 — 19 Mar 2002

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

SPACE WEATHER ADVISORY OUTLOOK #02- 12

2002 March 19 at 10:43 a.m. MST (2002 March 19 1743 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For March 11-17

Space weather was at minor to moderate levels. Isolated category R1
(minor) radio blackouts occurred during most days due to moderate-sized
solar flares. Space weather increased to moderate levels on March 14 by
virtue of a category R2 (moderate) radio blackout at 6:50 p.m. MST
(2002 March 14 0150 UTC) due to a major solar flare. NOAA GOES
spacecraft detected a brief category S1 (minor) solar radiation storm
on March 17. For a list of adverse system effects related to space
weather storms, please refer to the NOAA Space Weather Scales.

Outlook For March 20-26

Space weather is expected to be at minor levels. Isolated category R1
(minor) radio blackouts are expected during the period. There is a
chance for a category G1 (minor) geomagnetic storm on March 20. There
is a chance for a category S1 (minor) solar radiation storm early in
the period

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 or
(303) 497-5127. The NOAA Public Affairs contact is Barbara McGehan
at bmcgehan@boulder.noaa.gov or (303) 497-6288.