953 FXUS65 KBOI 070256 COR AFDBOI SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE BOISE IDAHO 855 PM MDT FRI AUG 6 1999 ...CORRECTED BKE AND TWF TEMPS AT BOTTOM... UPPER LOW CAME ONSHORE NRN CALIF THIS AFTERNOON. AT 02Z IR IMAGERY SHOWED WHAT LOOKS LIKE UPPER LEVEL COLD FRONT ALONG BNO-WMC-TPH LINE MOVING NEWD INTO OUR CWA. SURFACE COLD FRONT EVIDENTLY AHEAD OF THE UPPER FRONT PASSED THROUGH BOI AREA AROUND 02Z WITH WIND SHIFT TO NW AND SIGNIFICANT COOLING. LOW LEVELS STILL TOO DRY TO GENERATE RAIN THOUGH. WITH UPPER LOW PROGGED NEWD THROUGH OREGON LATER TONIGHT AND SATURDAY COLD FRONT WILL CONTINUE TO MOVE NEWD AHEAD OF IT WITH COOLER AIR ENTERING CWA FROM THE SW. WILL UPDATE MOST ZONES 3-5 DEGREES COOLER THAN IN AFTERNOON PACKAGE WHICH ALREADY INDICATED ABOUT 8 DEGS COOLING FROM TODAY. WILL ALSO ADJUST ZONE TEXT AND POPS SLIGHTLY. L COLIN ...TEMPERATURES AND POPS SHOWN BELOW ARE UNOFFICIAL AND FOR COORDINATION PURPOSES ONLY... BKE 53/73/49/73 3342 TWF 58/85/55/82 2211 .BOI...NONE.