* WHAT...Significant coastal flooding.
* WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany, Eastern Orleans and Lower Plaquemines Parishes. In Mississippi, Southern Hancock, Southern Harrison and Southern Jackson Counties.
* WHEN...Until 4 AM CDT Thursday.
* IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...Inundation is expected to be 2-4 feet along the coast in the warned area.