Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #17-48 2017 November 26 at 8:21 p.m. MST (2017 November 27 0321 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For November 20-26
G1 (Minor) geomagnetic storm levels were observed on 21 Nov due to CH HSS effects.
No other significant space weather was observed during the summary period.
Outlook For November 27-December 3
G1 (Minor) geomagnetic storm conditions are likely on 29 Nov due to recurrent CH HSS influence coupled with effects from a CME observed on 25 Nov.
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