Space Weather Outlook June 21, 2015 at 11:42PM

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #15-25 2015 June 21 at 9:30 p.m. MDT (2015 June 22 0330 UTC) **** SPACE WEATHER OUTLOOK **** Summary For June 15-21 Several R1 (minor) radio blackouts were observed on 18, 20 and 21 June from Regions 2365, 2367 and 2371. S1 (minor) solar radiation storms were observed on 18-19 June and again on 21 June as a result of significant flare activity from Regions 2365 and 2367 respectively. Outlook For June 22-28 R1-R2 (minor to moderate) radio blackouts are expected from complex Regions 2367 and 2371. S1-S2 (minor to moderate) solar radiation storms are expected from 22-24 June. G1-G3 (minor to strong) geomagnetic storms are expected on 22-23 June as effects from 3 coronal mass ejections impact Earth. 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.