Thunderstorm Wind, Chester
- When
- September 2, 6:00 PM EST
- Where
- Chester County, Westtown
- Measured
- 50 kt (58 mph)
- Reported by
- NEWSPAPER
- Coordinates
- 39.930, -75.550
Hail and Damaging Wind in Pennsylvania, September 2, 1998
A severe thunderstorm knocked down several trees in eastern Chester County and produced quarter size hail in Westtown. The thunderstorm also produced a couple of funnel clouds that were observed by emergency and law enforcement personnel over Pocopson and Birmingham Townships.
Where it happened
Every event with a place to put it; 1 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
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 eastern Chester County and produced quarter size hail in Westtown. The thunderstorm also produced a couple of funnel clouds that were observed by emergency and law enforcement personnel over Pocopson and Birmingham Townships. The funnel cloud did not touch down until the thunderstorm reached Gloucester County, New Jersey.
The radar
The Philadelphia radar (KDIX), 97 km away, was scanning. The volume nearest the first event began at 23:00 UTC.
Event by event
1 thunderstorm wind, 1 hail, 1 funnel cloud. Local standard time, as filed.
Hail, Chester
- When
- September 2, 6:00 PM EST
- Where
- Chester County, Westtown
- Measured
- 1 in hail
- Reported by
- BROADCAST MEDIA
- Coordinates
- 39.930, -75.550
Funnel Cloud, Chester
- When
- September 2, 6:05 PM EST to 6:10 PM EST
- Where
- Chester County, Pocopson
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.973, -75.748 (the zone’s center; the record gives no point)
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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Funnel Cloud
- A rotating column of cloud extending from a thunderstorm that did not reach the ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hurricane in Florida, September 2 to 3, 1998
- Tornado and Damaging Wind in Florida, September 2, 1998
- Hurricane in Florida, September 2 to 3, 1998
- Tornadoes in Florida, September 2 to 30, 1998
- Tropical Storm in Alabama, September 2 to 3, 1998
- Tornado in Florida, September 2, 1998
- Damaging Wind and Lightning Strike in California, September 2, 1998
- Flash Flooding in Puerto Rico, September 2, 1998
- Damaging Wind in Pennsylvania, September 2, 1998
- Flash Flooding and Damaging Winds in California, September 2, 1998
- Tornado and Damaging Winds in New Jersey, September 2, 1998
- Tropical Storm in Louisiana, September 2, 1998
More
Every storm in Pennsylvania in 1998Every state in 1998This day in weather historyWarnings in Pennsylvania, September 1998
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: 5673271, 5673358, 5673270.