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

SPACE WEATHER ADVISORY OUTLOOK #12-45
2012 September 30 at 11:45 p.m. MDT (2012 October 1 0545 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For September 24-30

A category S1 (Minor) solar radiation storm was observed on 28 September due to solar activity from active sunspot Region 1577.

Category R1 (Minor) radio blackouts were observed on 30 September due to flare activity from active sunspot Region 1583.

Outlook For October 1-7

A category G3 (Strong) geomagnetic storm is expected on 1 October due the effects of the CME that arrived at Earth on 30 September.

No proton events are expected at geosynchronous orbit.

R1 (Minor) with possible R2 (Moderate) Radio Blackouts are expected on 1 and 2 October.

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