NOAA SEC Space Weather Outlook #01-47 — 20 Nov 2001

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

SPACE WEATHER OUTLOOK #01- 47

2001 November 20 at 11:27 a.m. MST (2001 November 20 1827 UT)

**** SPACE WEATHER OUTLOOK ****

Summary For November 12-18

Space weather reached category R1 levels on the NOAA Space Weather
Scales. Radio blackouts reached category R1 (minor) levels on November
12-14, and 17th. For a list of adverse system effects related to space
weather storms, please refer to the NOAA Space Weather Scales.

Outlook For November 21-27

Space weather is expected to range from minor to moderate levels.
Category R1 (minor) to R2 (moderate) radio blackouts are possible
during 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.