Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #15-15 2015 April 13 at 12:24 a.m. MDT (2015 April 13 0624 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 6-12 G2 (Moderate) geomagnetic storms were observed on 10 April. R1 (Minor) radio blackouts were observed on 08 and 12 April. No S1 or greater solar radiation storms were observed. Outlook For April 13-19 G1 (Minor) geomagnetic storms are expected on 17 April. R1 (Minor) radio blackouts are likely throughout the outlook period. No S1 or greater solar radiation storms are expected during the outlook 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 Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact SWPC Help.