NOAA SEC Space Weather Outlook #01-52 — 26 Dec 2001

SPACE WEATHER OUTLOOK #01- 52

2001 December 26 at 12:54 p.m. MST (2001 December 26 1954 UT)

**** SPACE WEATHER OUTLOOK ****

Summary For December 17-25

Space weather was at minor levels. Isolated category R1 (minor) radio
blackouts occurred on December 19 and December 23 – 25 due to
moderate-sized solar flares. A brief category G1 (minor) geomagnetic
storm occurred on December 24. 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 December 26-January 1

Space weather is expected to be at moderate levels. A category S2
(moderate) solar radiation storm began on December 26 and is expected
to continue for the next few days. Category R1 (minor) to R2 (moderate)
radio blackouts will be possible during the period. Category G1 (minor)
to G2 (moderate) geomagnetic storms will be possible during December 28
– 29.

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.