Space Weather Outlook October 17, 2016 at 12:23AM

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #16-42 2016 October 16 at 10:06 p.m. MDT (2016 October 17 0406 UTC) **** SPACE WEATHER OUTLOOK **** Summary For October 10-16 Occasional G1-G2 (Minor-Moderate) geomagnetic storms were observed on 13-14 Oct from CME effects. An isolated period of G1 (Minor) storming was observed on 16 Oct due to influence from a negative polarity coronal hole. No other significant space weather was observed during the summary period. Outlook For October 17-23 G1-G2 (Minor-Moderate) geomagnetic storms are likely on 16 Oct due to effects from a recurrent, negative polarity CH HSS. G1 (Minor) geomagnetic storms are likely on 23 Oct due to the anticipated onset of a recurrent, positive polarity CH HSS. No other significant space weather is 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.