Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 323 AM EST Sun Nov 29 2015 Valid 12Z Sun Nov 29 2015 - 12Z Tue Dec 01 2015 ...Freezing rain possible from parts of Oklahoma/Central Plains into parts of the Middle Missouri Valley... ...Snow possible from parts of the Central High Plains to parts of the Middle Missouri Valley... ...Heavy rain possible for portions of the Lower Mississippi Valley and Tennessee Valley... ...Temperatures will be 10 to 20 degrees below average over the Central/Southern Plains and parts of the Northern Intermountain Region and the Great Basin... Widespread precipitation in association with a quasi-stationary front extending from the Mid-Atlantic to the Lower Mississippi Valley/Western Gulf Coast will persist over the next few days. Scattered to numerous rain showers is forecast northeast Texas to central Virginia where 3-day totals of 1 to 5 inches will be possible. Locally higher amounts may be observed in eastern Tennessee and western North Carolina. Periods of intense rainfall may lead to flash flooding for portions of the Tennessee Valley and Lower Mississippi Valley. On the north side of the front, a mix of freezing rain and rain will develop across parts of the Central Plains into Iowa through Monday. Numerous winter weather advisories and freezing rain advisories are in effect. Areas north of this region will likely have precipitation in the form of snow, with light accumulations over parts of the Great Basin into the Northern Rockies. The upper-level low that has been nearly stationary over the West will move across the Great Plains. A strong winter storm system will spin up and impact the Northern/Central Plains and Upper Midwest region. Mixed precipitation is expected initially, but will likely transition to mostly snow as the cold air surges into the region. Snow amounts of 2 to 6 inches will be common from Kansas to Wisconsin. The I-29 and I-90 areas of South Dakota and Minnesota could accumulations of 6 to 10 inches by early Wednesday morning. Meanwhile, easterly flow off the Atlantic will aid in producing scattered light rain along the east coast of Florida through Monday. Additionally, an approaching front will bring rain to parts of the Pacific Northwest Coast by Monday morning. Campbell Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php