Pennsylvania, 1999

Flash Flooding and Damaging Winds in Pennsylvania, September 29, 1999

September 29, 1999 · NWS CLE · 4 events in 2 counties and zones

2 thunderstorm wind, 2 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
$150,000
Crop damage
None recorded
Events
4

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.

The radar

The Buffalo radar (KBUF), 151 km away, was scanning. The volume nearest the first event began at 21:13 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 2 flash flood. Local standard time, as filed.

Thunderstorm Wind, Erie

When
September 29, 4:15 PM EST to 4:45 PM EST
Where
Erie County, Countywide
Property damage
$70,000
Reported by
LAW ENFORCEMENT
Coordinates
42.050, -80.120

Thunderstorm winds estimated at 65 to 75 mph downed trees and large limbs throughout the county. At least 20 trees were downed in Corry. A house in Corry was slightly damaged by a tree and two cars were crushed by fallen trees.

Flash Flood, Erie

When
September 29, 5:00 PM EST to 5:30 PM EST
Where
Erie County, Erie
Property damage
$20,000
Reported by
LAW ENFORCEMENT
Coordinates
42.118, -80.098 (the zone’s center; the record gives no point)

Up to three inches of rain fell early in the evening causing flooding on roadways and in low lying areas. Two cars were trapped in four feet of water underneath a railroad viaduct near the intersection of East 15th Street and Paradise Street on Erie's east side. Two people inside one of the vehicles had to be rescued by firefighters. Officially, 2.99 inches of rain fell at Erie International Airport on the 29th.

Flash Flood, Crawford

When
September 29, 5:00 PM EST to 6:00 PM EST
Where
Crawford County, Meadville
Property damage
$10,000
Reported by
NEWSPAPER
Coordinates
41.685, -80.106 (the zone’s center; the record gives no point)

Thunderstorms dumped up to two inches of rain in less than an hour. Flooding was reported on many streets in Meadville with water up to two feet deep in some locations. Several cars were briefly stranded by the high water.

Thunderstorm Wind, Crawford

When
September 29, 5:30 PM EST
Where
Crawford County, Countywide
Property damage
$50,000
Reported by
TRAINED SPOTTER
Coordinates
41.670, -80.070

Thunderstorm winds estimated at 65 to 75 mph downed trees throughout the county. A house in Corry was slightly damaged by a fallen tree and cars in Corry and Titusville were destroyed by 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.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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, September 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: 5717207, 5717208, 5717210, 5717209.