Extreme rain: 108 mm (4.27 inches) within 1 hour floods Harrisburg, Pennsylvania
Weather station located at Harrisburg International Airport in Middletown, Pennsylvania recorded a staggering 108 mm (4.27 inches) of rain within just one hour on Sunday, July 23, 2017. NWS reported visibility dropped to 800 m (0.5 miles) during the storm….

