Pennsylvania, 1997

Tornado in Pennsylvania, September 11, 1997

September 11, 1997 · NWS PHI · 1 event in 1 county or zone

A weak (F0 on the Fujita Scale) tornado briefly touched down in Bucks County between Silverdale and Perkasie. It crossed Callowhill Road between South Perkasie Road and Pennsylvania State Route 113.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
$5,000
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 PHI wrote it up.

A weak (F0 on the Fujita Scale) tornado briefly touched down in Bucks County between Silverdale and Perkasie. It crossed Callowhill Road between South Perkasie Road and Pennsylvania State Route 113. Damage was minimal as it was on the ground for less than half a mile and passed over mainly open fields. Several homes did lose some shingles, the top of a well pump was blown from its base and a few trees and limbs were knocked down.

The radar

The Philadelphia radar (KDIX), 85 km away, was scanning. The volume nearest the first event began at 23:29 UTC.

Open the radar archive at this moment

Event by event

1 tornado. Local standard time, as filed.

Tornado, Bucks

When
September 11, 6:30 PM EST
Where
Bucks County, 1 mi NE of Silverdale
Rating
F0
Path length
0.2 mi
Path width
17 yd
Property damage
$5,000
Coordinates
40.370, -75.250

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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 historyThe tornado archive for Pennsylvania, 1997Warnings in Pennsylvania, September 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: 5620189.