ZCZC ALBAFDBGM FXUS61 KBGM 042005 AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 305 PM EST SUN NOV 4 2001 VIGOROUS UPPER SHORTWAVE DIGGING TOWARDS WRN NY...WITH RAIN BREAKING OUT AHEAD OF IT. THIS AREA OF RAIN SHOULD CONTINUE TO EXPAND OVERNIGHT AS THE UPPER SYSTEM MOVES SOUTHEAST AND CLOSES OFF OVER ERN NY. MID-LEVEL LAPSE RATES WILL BE STEEP OVERNIGHT...AND THE LINE OF STORMS DEVELOPING NEAR ROCHESTER IS EVIDENCE OF THIS INSTABILITY. WILL GO WITH LIKELY WORDING IN ALL ZONES...WITH HIGHER POPS IN ERN ZONES. WILL ALSO MENTION THE POSSIBILITY OF TSTORMS THIS EVENING. CORE OF COLDEST AIR WILL MOVE THROUGH CENTRAL AND WRN NY OVERNIGHT INTO PENNSYLVANIA. 1000/850 THICKNESSES WILL FALL TO NEAR 1300M BY MORNING...SO WILL KEEP MENTION OF RAIN MIXING WITH SNOW. THE RAIN MAY CHANGEOVER TO SNOW ON THE HILLTOPS. NO ACCUMULATION EXPECTED......  NNNN