Pennsylvania, 1999

Damaging Wind in Pennsylvania, August 13, 1999

August 13, 1999 · NWS PHI · 1 event in 1 county or zone

A severe thunderstorm knocked down several trees in Lehighton, at least one fell on a vehicle. The wind also blew an air-conditioning unit into a house and knocked down a chimney of another house.

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
None recorded
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 PHI wrote it up.

A severe thunderstorm knocked down several trees in Lehighton, at least one fell on a vehicle. The wind also blew an air-conditioning unit into a house and knocked down a chimney of another house. A SKYWARN Spotter estimated wind gusts of between 60 and 65 mph. Just west of Lehighton in Mahoning Township, the severe thunderstorm tore apart a barn. Debris from the barn closed Pennsylvania State Route 902 for an hour. Marble size hail was also reported with the storm. Pennsylvania Power and Light reported 31,000 homes and businesses without power from Lancaster (Lancaster County) to Lehighton (Carbon County).

The radar

The Philadelphia radar (KDIX), 148 km away, was scanning. The volume nearest the first event began at 01:36 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Carbon

When
August 13, 8:38 PM EST
Where
Carbon County, Lehighton
Measured
56 kt (64 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.830, -75.720

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 1999Every state in 1999This day in weather historyWarnings in Pennsylvania, August 1999

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: 5717846.