Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #17-51 2017 December 17 at 8:43 p.m. MST (2017 December 18 0343 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For December 11-17
G1 (Minor) geomagnetic storm conditions were observed on 17 Dec due to coronal hole influence.
No other space weather storms were observed.
Outlook For December 18-24
G1 (Minor) storm levels are likely on 18-19 Dec due to continued coronal hole influence.
No other space weather storms are expected.
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