...The National Weather Service in Wilmington has issued a Flood Advisory for the following rivers... Olentangy River near Worthington. * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Olentangy River near Worthington. * WHEN...From early this morning to this evening. * IMPACTS...At 8.0 feet, Flooding of yards begins along the Olentangy River near Mount Air in northern Franklin County, only in low-lying areas between Olentangy River Road and the river. * ADDITIONAL DETAILS... - At 5:00 AM EDT Friday the stage was 7.3 feet. - Forecast...The river is expected to rise to a crest of 8.0 feet this morning. - Action stage is 8.0 feet. - Flood stage is 11.0 feet.