Complex sentence: In October 2008, KWCH became the first station in the market to upgrade its local newscasts to high definition, with the KSAS broadcasts included in the switch; although not initially included in the change, KWCH added HD weather forecast segments in March 2009.
Split into simpler sentences: In October 2008, that station was first in the market to upgrade local newscasts to high definition and the KSAS broadcasts were included. Although not initially included in the change, KWCH added HD weather forecast segments in March 2009.