Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 257 PM EST Wed Feb 27 2019 Valid 00Z Thu Feb 28 2019 - 00Z Sat Mar 02 2019 ...Heavy snow continues for higher elevations of the West... ...Snow will taper off across the Great Lakes and New England by tomorrow... ...Showers and thunderstorms expected for the Southeast through Friday... ...Below average temperatures will continue for the foreseeable future in the Northern Plains... A closed upper-level low will sit just off the Pacific Northwest Coast and will a slow moving frontal boundary that will move from the West Coast into the Intermountain West and Great Basin. A surface low will also linger off the Washington/British Columbia coast through most of the short term period. As this front pushes eastward, precipitation will follow--with higher elevation snow and rain impacting the Pacific Northwest and California through Thursday. In fact, with cold air in place, lower elevation cities such as Portland and Seattle can expect a mix of rain/snow overnight and into Friday morning. The Sierra Nevada can expect up to 10 inches through Thursday morning. By Friday, most of the prepication will be light and concentrate along the northern and central Rockies. A mix of light showers and snow can also be expected through Friday morning mostly for coastal Oregon and northern California. Heavy snow continues to impact mostly the lower Great Lakes portions of New England as an occluded system passes this evening. By Thursday morning, the surface low will be off the New England coast and snow will taper off with some remnant snow showers along the lee side of Lake Michigan and Lake Erie. By Thursday afternoon, surface high pressure builds in and tranquil conditions will prevail--with the next incoming system approaching the Upper Midwest by Friday. This is expected to bring light snow across the Great Lakes through the weekend. Reinhart Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php