Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #12-49
2012 October 21 at 9:04 p.m. MDT (2012 October 22 0304 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For October 15-21
A Category R2 (Moderate) Radio Blackout occurred on 20 October and a Category R1 (Minor) Radio Blackout occurred on 21 October. Both Radio Blackouts were due to solar flares from a sunspot region near the southeast limb.
Outlook For October 22-28
Category R1 (Minor) Radio Blackouts are likely throughout 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 SWPC's Web site http://swpc.noaa.gov
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