Pennsylvania, 1997

Damaging Wind in Pennsylvania, August 16, 1997

August 16, 1997 · NWS PBZ · 1 event in 1 county or zone

An extremely unstable, moist air mass formed ahead of a cold front. The lifted index, a measure of instability, was near minus 11 and the Convective Available Potential Energy values approached 5000 joules/kilogram across southwest Pennsylvania.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$2,000
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS PBZ wrote it up.

An extremely unstable, moist air mass formed ahead of a cold front. The lifted index, a measure of instability, was near minus 11 and the Convective Available Potential Energy values approached 5000 joules/kilogram across southwest Pennsylvania. Widespread severe weather was reported throughout western Pennsylvania, much of East Central Ohio and Northern West Virginia throughout the afternoon and evening hours.

The radar

The Pittsburgh radar (KPBZ), 101 km away, was scanning. The volume nearest the first event began at 21:12 UTC.

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Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Venango

When
August 16, 4:14 PM EST
Where
Venango County, Utica
Property damage
$2,000
Coordinates
41.420, -79.950

Thunderstorm winds downed trees.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 1997Every state in 1997This day in weather historyWarnings in Pennsylvania, August 1997

Sources

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: 5622970.