NOAA SEC Space Weather Outlook #01-25 – 26 June 2001

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

2001 June 26 at 12:06 a.m. MDT (2001 June 26 0606 UT)

**** SPACE WEATHER OUTLOOK ****

Summary For June 18-24

Space weather reached category 3 (strong) levels on June 22. Category R2
(moderate) radio blackouts occurred at 4:22 p.m. MDT on June 22 (2001
June 22 2222 UTC) and 6:15 p.m. MDT on June 22 (2001 June 23 0015 UTC)
due to major solar flares. These were followed by an isolated category
R3 (strong) radio blackout at 10:08 p.m. MDT on June 22 (2001 June 23
0408 UTC). Category G1 (minor) to G2 (moderate) geomagnetic storm
conditions occurred on June 18. There were no solar radiation storms
during the period. For a complete list of adverse system effects
related to space weather activity, please refer to the NOAA Space
Weather Scales.

Outlook For June 27-July 3

Space weather is expected to be at minor levels. Category G1 (minor)
geomagnetic storm conditions will be possible during June 28 – 29 due
to an expected increase in solar wind velocities. Isolated category R1
(minor) radio blackouts will also be 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.