NOAA SWPC Space Weather Outlook #12-345

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

SPACE WEATHER ADVISORY OUTLOOK #12-35
2012 July 29 at 6:37 p.m. MDT (2012 July 30 0037 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For July 23-29

Category R1 (Minor) and R2 (Moderate) Radio Blackout storms were observed on 27 and 29 July and 28 July respectfully, due to flare activity from active sunspot Region 1532.

Category S1 (Minor) Solar Radiation storms were observed from 23 – 24 July due to solar activity from around the west limb from active sunspot Region 1520.

Outlook For July 30-August 5

R1 (Minor) and R2 (Moderate) Radio Blackout storms are possible through 05 August as Region 1532 continues to evolve and grow and as old Region 1520 returns to the visible disk.

S1 (Minor) Solar Radiation storms are possible through 05 August as Region 1532 continues to grow and rotate into a more geoeffective position.

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