NOAA SEC Space Weather Advisory Outlook #02-34

2002 August 20 at 12:41 p.m. MDT (2002 August 20 1841 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For August 12-18
Space weather reached moderate levels. A category R2 (moderate) radio
blackout occurred at 6:32 a.m. MDT on August 16 (2002 August 16 1232
UTC). Isolated category R1 (minor) radio blackouts occurred during
August 13 – 18. A category S1 (minor) solar radiation storm occurred on
August 14. Brief category G1 (minor) geomagnetic storm conditions
occurred during August 15, 16, and 18. For a list of adverse system
effects due to space weather storms, please refer to the NOAA Space
Weather Scales.

Outlook For August 21-27

Space weather is expected to be at minor to moderate levels. Isolated
category R2 (moderate) radio blackouts are possible through August 25.
Isolated category R1 (minor) radio blackouts are likely throughout the
period. There is a chance for a category S1 (minor) solar radiation
storm through August 25.

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. For more
information, including email services, see SEC’s Space Weather
Advisories Web site http://sec.noaa.gov/advisories or (303) 497-5127.
The NOAA Public Affairs contact is Barbara McGehan at
Barbara.McGehan@noaa.gov or (303) 497-6288.