Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 458 PM EDT Wed Sep 20 2017 Valid 00Z Thu Sep 21 2017 - 00Z Sat Sep 23 2017 ...Tropical Storm Jose will produce dangerous surf conditions and rip currents along with heavy rain over parts of Southern New England Coast... ...There is a slight risk of severe thunderstorms over parts of the Upper Great Lakes/Upper Mississippi Valley... ...Heavy snow possible in the higher elevations of the Northern Rockies... Tropical Storm Jose will continue to weaken as it moves northeastward then returns southwestward while remaining off the Northeast coast. The storm will produce rain with embedded thunderstorms over parts of Southern New England Coast through Friday. For more information on Jose, please refer to the National Hurricane Center (www.hurricanes.gov). Meanwhile, a front extending from the Upper Great Lakes/Upper Mississippi Valley southwestward to the Southern Plains will move eastward into the Great Lakes/Middle Mississippi Valley and dissipates on Thursday afternoon into evening. Showers and thunderstorms will develop over parts of the Upper Great Lakes/Middle Mississippi Valley that will move into the Great Lakes/Middle Mississippi Valley overnight Wednesday while dissipating over the Middle Mississippi Valley by Thursday afternoon. The showers and thunderstorms will continue over parts of Northern Michigan through Friday. Another front over the Northern Rockies/Northern High Plains into parts of the Great Basin/Northern California will move to the Upper Mississippi Valley and the Northern/Central Plains into the Central Rockies/Great Basin by Friday. The system will produce rain with embedded thunderstorms with snow at the highest elevations over the Northern Rockies and rain over the Pacific Northwest that will wane over the Northwest by Thursday morning. The rain with higher elevations snow over the Northern Rockies will continue through Friday. Rain with areas of isolated snow at highest elevations will move into the Great Basin/interior Central California overnight Wednesday into Friday. In addition, showers and thunderstorms will develop over parts of the Upper/Middle Mississippi Valley expanding into the Upper Great Lakes overnight Thursday into Friday. Elsewhere, upper-level energy and moisture over Western Gulf Coast to Southeast/Mid-Atlantic will aid in producing showers and thunderstorms over the region through Friday. The areal coverage will be greatest during the late afternoon into the late evening on Wednesday into Friday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php