6 thunderstorm wind, 3 hail, 1 tornado, as filed by the National Weather Service.
Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
6 thunderstorm wind, 3 hail, 1 tornado. Local standard time, as filed.
Small hail was measured to three inches deep near Wexford. It remained on the ground for nearly 12 hours. Trees were downed and roads closed.
Small hail was measured to three inches deep near Wexford. It remained on the ground for nearly 12 hours. Trees were downed and roads closed.
In Middlesex Township, a tornado downed approximately 500 trees, path length, about three miles. Route 8 was closed for several hours. Many of the trees were twisted from their bases. The tornado destroyed one barn and tore large sections of roof off two others. Approximately 10 homes had damage to their chimneys. An additional 30 homes had minor damage to roofs, gutters, etc. A section of one of the barn roofs was blown about 500 yards through the picture window of a neighboring house. Pea- to quarter-size hail, up to 18 inches deep, was reported in a 1.25 mile wide, 12 mile long path through Middlesex Township. Extensive damage occurred to Corn, Soybean, and Oat Crops. Most of the corn stalks were stripped of their leaves. Between 35 and 40 farms incurred up to $300,000 in crop damage. A local garden center sustained $50,000 in damage to plants, and $25,000 to buildings. Over 10,000 mums were destroyed. A storm survey was conducted by the National Weather Service Office at Pittsburgh.
In Middlesex Township, a tornado downed approximately 500 trees, path length, about three miles. Route 8 was closed for several hours. Many of the trees were twisted from their bases. The tornado destroyed one barn and tore large sections of roof off two others. Approximately 10 homes had damage to their chimneys. An additional 30 homes had minor damage to roofs, gutters, etc. A section of one of the barn roofs was blown about 500 yards through the picture window of a neighboring house. Pea- to quarter-size hail, up to 18 inches deep, was reported in a 1.25 mile wide, 12 mile long path through Middlesex Township. Extensive damage occurred to Corn, Soybean, and Oat Crops. Most of the corn stalks were stripped of their leaves. Between 35 and 40 farms incurred up to $300,000 in crop damage. A local garden center sustained $50,000 in damage to plants, and $25,000 to buildings. Over 10,000 mums were destroyed. A storm survey was conducted by the National Weather Service Office at Pittsburgh.
Trees and powerlines were downed. Street flooding stranded several motorist. Water was up to the seats of one vehicle. Some streets were temporarily closed.
Trees and powerlines were downed. Street flooding stranded several motorist. Water was up to the seats of one vehicle. Some streets were temporarily closed.
Large trees down.
Trees were downed at Ben Avon and Bellevue. A car was damaged by a fallen tree at Bellevue.
A mobile home overturned at Chicora, injuring a woman and one of her two children. The trailer was lifted into the air about 25 feet. Damage pattern resembled that of a microburst.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 1994Every state in 1994This day in weather historyThe tornado archive for Pennsylvania, 1994Warnings in Pennsylvania, July 1994
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10343845, 10343846, 10343924, 10343925, 10345271, 10343926, 10345272, 10345273, 10343847, 10343927.