1. Physical Scientist, Office of Hydrologic Development, National Oceanic and Atmospheric Administration (NOAA) National Weather Service, 1325 East–West Highway, Silver Spring, MD 20910 (corresponding author).
2. Meteorologist, Office of Hydrologic Development, National Oceanic and Atmospheric Administration (NOAA) National Weather Service, 1325 East–West Highway, Silver Spring, MD 20910.
3. Associate Professor, Dept of Civil Engineering, Univ. of Texas, P.O. Box 19308, Room 248E Nedderman Hall, 416 Yates St., Arlington, TX 76019-03083.
4. Physical Scientist, National Oceanic and Atmospheric Administration (NOAA) National Climatic Data Center, 151 Patton Ave., Asheville, NC 28801.
5. Meteorologist, National Oceanic and Atmospheric Administration (NOAA) Oceanic and Atmospheric Research, Earth System Research Laboratory, 325 Broadway, Boulder, CO 80305-3337.