...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 this evening to Thursday evening. * IMPACTS...At 10.0 feet, Flood waters approach residences along the river in Mount Air, between Olentangy River Road and the river itself. * ADDITIONAL DETAILS... - At 10:15 PM EDT Wednesday the stage was 7.5 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet just after midnight tonight. - Action stage is 8.0 feet. - Flood stage is 11.0 feet.