531 ABUS30 KPHL 010300 CCA SWSPA STATE WEATHER SUMMARY FOR PENNSYLVANIA NATIONAL WEATHER SERVICE STATE COLLEGE PA 1100 PM EDT WED JUL 31 2002 ...AN EXCESSIVE HEAT WATCH IS IN EFFECT FOR THE SOUTHEAST URBAN AREAS... A WARM FRONT DEVELOPING OVER THE COMMONWEALTH TONIGHT TRIGGERED THUNDERSTORMS OVER NORTHWEST PENNSYLVANIA. THESE DRIFTED SOUTHEAST INTO CENTRAL AND SOUTHERN SECTIONS OF THE STATE BEFORE DYING OUT. THE REMAINDER OF THE STATE WILL HAVE PARTLY CLOUDY SKIES AND MILD TEMPERATURES OVERNIGHT. LOWS ARE EXPECTED TO BE IN THE 60S AND 70S. THURSDAY WILL FEATURE INCREASING HUMIDITY AND CONTINUED HOT TEMPERATURES. THERE IS AN INCREASING CHANCE OF THUNDERSTORMS THURSDAY AND FRIDAY. TEMPERATURES WILL BE IN THE UPPER 80S TO MID 90S BOTH DAYS. FOR THE UPCOMING WEEKEND...PARTLY CLOUDY AND COOLER WEATHER CAN BE EXPECTED. $$ HEAD