NEW : First tropical storm of the season ? Mississippi River breaches levee near confluence with Missouri River . Heavy rain heads to Florida with season 's first possible tropical depression . Comment: The river is rising, and the levees are being breached by water that has been pushed up from below. Thunderstorms may hit Oklahoma , but mercifully , more tornadoes are a long shot .
NEW : Mississippi River breaches levee near confluence with Missouri River . Heavy rain heads to Florida with season 's first possible tropical depression . Comment: The river is rising, and the levees are being breached by water that has been pushed up from below. Thunderstorms may hit Oklahoma , but mercifully , more tornadoes are a long shot .