Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 457 PM EDT Thu Sep 18 2014 Valid 00Z Fri Sep 19 2014 - 00Z Sun Sep 21 2014 ...Flash flood threat will continue in portions of the Desert Southwest and southern Plains.. ...The Pacific Northwest and northern California finally sees precipitation... Remnant moisture from Odile is still fueling heavy rains in New Mexico and Texas. A stationary front will remained draped over southeast and central Texas over the next few days and this will continue to fire off rounds of convection. The more widespread heavy rainfall will occur through the end of Thursday night. In fact, WPC has issued a high risk for flash flooding for southern New Mexico and small portions of the Big Bend through Friday evening. By Friday, showers and thunderstorms will be more scattered with the heavier activity concentrating in the Texas Panhandle. Regardless, much of the southern Plains will have a stormy few days. A mid-level trough will continue to move over the West Coast through Thursday night and into Friday. This will bring showers from northern California and into British Columbia. The precipitation in northern California will diminish by Friday morning, however the Pacific Northwest could still see some showers on Friday but will dry out by the evening. High pressure is beginning to build into the Northeast and New England on Thursday night in the wake of the cold front pushing offshore. Clear skies and light winds will settle over the area, bringing cold temperatures overnight. A frost advisory and freeze warning have been issued for the Northeast and New England tonight. Behind a front moving toward the Great Lakes on Friday night will bring cooler, fall-like conditions to the area. Fanning Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php