THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 597 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL PENNSYLVANIA CAMERON CLEARFIELD CLINTON ELK LYCOMING MCKEAN POTTER SULLIVAN TIOGA WARREN THIS INCLUDES THE CITIES OF BRADFORD, CLEARFIELD, COUDERSPORT, DUBOIS, EMPORIUM, LAPORTE, LOCK HAVEN, MANSFIELD, RENOVO, RIDGWAY, ST. MARYS, WARREN, WELLSBORO, AND WILLIAMSPORT.