Space Weather Outlook August 23, 2015 at 09:33PM

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #15-34 2015 August 23 at 7:18 p.m. MDT (2015 August 24 0118 UTC) **** SPACE WEATHER OUTLOOK **** Summary For August 17-23 G1 (minor) geomagnetic storms were observed on 17 and 23 August. G2 (moderate) geomagnetic storms were also observed on 23 August. This activity was due to effects from a pair of separate positive polarity coronal hole high speed streams. R1 (minor) radio blackouts were observed on 21 and 22 August due to flare activity from active Region 2403. Outlook For August 24-30 G1 (minor) geomagnetic storms are likely on 24 August due to effects from a pair of coronal mass ejections that left the Sun on 21 and 22 August. R1 (minor) radio blackouts are likely on 24-29 August due to the flare potential from Region 2403. 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 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.

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