Space Weather Outlook April 17, 2016 at 11:51PM

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #16-16 2016 April 17 at 9:37 p.m. MDT (2016 April 18 0337 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 11-17 Category G1 (Minor) geomagnetic storms were observed on 12-14 April due to effects from a negative polarity coronal hole high speed stream. Outlook For April 18-24 Category R1-R2 (Minor-Moderate) radio blackouts are possible on 18-19 April as active Region 2529 approaches and exits the west limb. 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.