39.4' - The levee and floodwall will begin to overtop.<br><br>37' - Floodwall is threatened. Full evacuation of the Williamsburg downtown area is necessary.<br><br>36' - Overtopping or failure of levee and floodwall is possible.<br><br>35.03' - Flooding will exceed the highest flood on record.<br><br>31' - Flooding threatens many homes and businesses. Roads begin to flood, severing evacuation routes. Major flooding threatens downtown area.<br><br>25' - Low lying areas along George Hayes Road flood.<br><br>21' - Flooding threatens low lying roads and structures.<br><br>