EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1021 AM EST SAT FEB 21 2015 VALID 12Z TUE FEB 24 2015 - 12Z SAT FEB 28 2015 THE MODELS CONTINUE TO INDICATE A CHANGE IN THE PATTERN ACROSS THE NATION AT THE MEDIUM RANGE, WITH HEIGHTS FALLING SUBSTANTIALLY IN THE FAR WEST AND THE EASTERN TROUGH BROADENING INTO THE ATLANTIC. USED A BLEND OF THE MOST RECENT ENSEMBLE MEANS THIS FORECAST PACKAGE, MITIGATING THE RATHER SUBSTANTIAL SPREAD IN THE TIMING AND POSITION OF SHORTWAVES AMONG THE INDIVIDUAL SOLUTIONS. THE COLD CONTINUES IN THE EAST, WITH A SHIFT IN THE SOUTHERN-STREAM STORM TRACK OFFSHORE. THE HEIGHT FALLS IN THE WEST WILL BE ACCOMPANIED BY A DROP IN TEMPERATURES AND A SIGNIFICANT UPTICK IN PRECIPITATION FROM THE SIERRA NEVADA NORTHWARD. CISCO