Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 235 PM EST Wed Feb 26 2020 Valid 00Z Thu Feb 27 2020 - 00Z Sat Feb 29 2020 ...Heavy snow across Northern New England on Thursday... ...Very heavy lake-effect snow event downwind from the Lower Great Lakes... ...Temperatures will be 10 to 15 degrees below average over the Upper Midwest, Ohio Valley into the Tennessee Valley and the Gulf Coast... Low pressure over the Northern Mid-Atlantic will move northward into Southeastern Canada. The system will produce an area of light snow over parts of the Upper Great Lakes into the Ohio Valley and parts of the Tennessee Valley and Middle Mississippi Valley that will move into the Central Appalachians overnight Wednesday and parts of Northern Mid-Atlantic and Northern New England on Thursday. Rain will also develop over parts of Southern New England into parts of the Ohio Valley to parts of the Central Gulf Coast on Wednesday evening. The rain over the Southeast and Southern Mid-Atlantic will move off the coast by Thursday morning. The rain ends over New England by Thursday afternoon. In the wake of the storm, a major lake-effect snow event is forecast to develop downwind from the Lower Great Lakes on Thursday where accumulations of over one foot are possible. In addition, blizzard warning are posted over parts of Western New York state downwind from Lake Erie and Lake Ontario. Over the Southwest, gusty Santa Ana winds today are expected to gradually subside on Thursday. Furthermore, temperatures will be 10 to 15 degrees below average over the Upper Midwest, Ohio Valley into the Tennessee Valley and the Gulf Coast on Thursday night into Friday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php