...Severe thunderstorms will be possible Christmas night into Wednesday morning... A strong storm system will be developing over the Lower Mississippi valley Tuesday bringing widespread rain and isolated to scattered thunderstorms to much of North and Central Georgia Christmas Day through Wednesday morning. Very strong surface low pressure will move into Northern Mississippi by late Christmas day...and into Northern Tennessee by Wednesday morning. An associated cold front will move from west to east across North and Central Georgia Christmas night. Instability and vertical wind shear will increase across the region Christmas Night and will be enough for isolated severe thunderstorms to develop...mainly across Western Georgia between 3 am late Tuesday night and 7 am Wednesday morning...and across Eastern Georgia between 7 am and noon Wednesday. At this time...the main concerns will be isolated tornadoes as well as strong damaging winds in excess of 60 mph. In addition...antecedent rainfall in combination with the Christmas night storm system could lead to a few rivers mainly over North Georgia reaching bank full. As this is a developing situation please stay tuned to the latest updates.