Coastal Flood Advisory

* WHAT...Up to one and a half feet of inundation above ground level expected in low lying areas due to tidal flooding.

* WHERE...Shoreline in the City of Alexandria and Arlington County.

* WHEN...From 3 AM to 8 PM EDT Thursday, especially around the time of high tide.

* IMPACTS...At 3.0 feet, water is expected to reach backyards near 9th Street in North Beach, and could approach 9th Street. At 3.0 feet, parking lots near Charles Street in Solomons begin to flood, with several inches of water covering low- lying portions of Charles Street and Williams Street.

* ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Alexandria is at 5:56 AM and 6:20 PM.