Space Weather Advisory Outlook #02-16 — 16 Apr 2002

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

SPACE WEATHER ADVISORY OUTLOOK #02- 16

2002 April 16 at 01:29 p.m. MDT (2002 April 16 1929 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For April 8-14
Space weather was at minor to moderate levels. A category R2 (moderate)
radio blackout occurred at 6:31 a.m. MDT on April 10 (2002 April 10
1231 UTC) due to a short-lived major flare. Isolated category R1
(minor) radio blackouts occurred on April 10, 12, and 14 due to
moderate-sized solar flares. No geomagnetic storms or solar radiation
storms were detected. For a list of adverse system effects related to
space weather storms, please refer to the NOAA Space Weather Scales.

Outlook For April 17-23

Space weather is expected to be at minor to moderate levels. Isolated
category R1 (minor) radio blackouts are expected. There will also be a
chance for an isolated category R2 (moderate) radio blackout until
April 21. There will be a slight chance for category G1 (minor)
geomagnetic storm conditions during April 17 – 18. There will be a
slight chance for a category S1 (minor) solar radiation storm until
April 21.

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.