Space Weather Advisory Outlook #02-20 — 14 May 2002

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

SPACE WEATHER ADVISORY OUTLOOK #02- 20

2002 May 14 at 01:46 p.m. MDT (2002 May 14 1946 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 6-12

Space weather reached moderate levels. Category G1 (minor) to G2
(moderate) geomagnetic storms occurred on May 11 – 12 due to a coronal
mass ejection (CME) passage. Isolated category R1 (minor) radio
blackouts were detected on May 7 and 11 due to moderate-sized solar
flares. There were no solar radiation storms during the period. For a
list of adverse system effects related to space weather storms, please
refer to the NOAA Space Weather Scales.

Outlook For May 15-21

Space weather is expected to be at minor levels. There is a chance for
isolated category R1 (minor) radio blackouts. There will be a slight
chance for category G1 (minor) geomagnetic storm conditions on May 15.
No solar radiation storms are expected..

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.