Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 249 AM EST Tue Feb 04 2014 Valid 12Z Tue Feb 04 2014 - 12Z Thu Feb 06 2014 ...Heavy rain over the Tennessee Valley... ...A swatch of snow will extend from the Central Plains to Southern New England... ...A narrow swatch of rain/freezing rain will extend from parts of the Lower Mississippi Valley to the Mid-Atlantic... ...Temperatures will be 30 to 40 degrees below average over the Central/Northern High Plains... Upper-level energy over the Rockies will move eastward to New England by Wednesday evening. The energy will induce a wave of low pressure over the Western Gulf Coast that will move northward to the Ohio Valley by Wednesday morning before moving off the Northeast Coast by Wednesday evening. The upper-level energy will trigger light snow over parts of the Northern/Central Rockies and Plains through Tuesday evening. Moisture from the Western Gulf of Mexico will move northward extending into the Ohio Valley/Mid-Atlantic by Wednesday. The moisture will overrun the boundary along the Gulf Coast producing showers and thunderstorms over the Central Gulf Coast that will extending into the Southeast by Wednesday. Rain will also develop over parts of Eastern Texas and become moderate to heavy rain over parts of the Tennessee Valley by Tuesday evening, moving into the Northern Mid-Atlantic by Wednesday morning. Snow will develop over the Southern Plains too, while increasing in intensity to moderate snow and moving into the Middle Mississippi Valley/Ohio Valley by Tuesday evening then into the Northern Mid-Atlantic by Wednesday morning before moving offshore by Wednesday evening. In addition, an area of rain/freezing rain will develop over parts of the Eastern Southern Plains and move into parts of the Tennessee Valley by Tuesday evening then into parts of the Mid-Atlantic by Wednesday morning. Meanwhile, residual upper-level energy and circulation around a very cold area of high pressure, over the Northern High Plains, will produce light snow over parts of the Northern Intermountain Region and parts of the Northern/Southern Rockies on Wednesday. Additionally, a plume of moisture from the Eastern Pacific will intersect the Northern California Coast producing light rain and higher elevation snow on Wednesday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php