Pennsylvania, 1999

High Wind in Pennsylvania, September 16, 1999

September 16, 1999 · NWS CTP · 13 events in 13 counties and zones

13 high wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 13 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
$100,000
Crop damage
None recorded
Events
13

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 national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

13 high wind. Local standard time, as filed.

High Wind, Northern Lycoming

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Northern Lycoming forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.343, -77.064 (the zone’s center; the record gives no point)

Strong northeast winds from Floyd, combined with waterlogged soils, brought down thousands of trees across parts of the middle and lower Susquehanna region. High Knob in Sullivan County had hundreds of trees downed across the mountaintop, and Ricketts Glen State Park had many trees down. In the Harrisburg area alone, more than 50,000 were without power. Wind caused a Conrail freight train's cars to shift on the Rockville Bridge north of Harrisburg. Several cars actually tipped over, but their contents did not spill into the Susquehanna River. Utility poles were also downed in a number of areas due to the winds and wet soils.

High Wind, Adams

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Adams forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
39.872, -77.218 (the zone’s center; the record gives no point)

High Wind, Columbia

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Columbia forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.049, -76.405 (the zone’s center; the record gives no point)

High Wind, Cumberland

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Cumberland forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.164, -77.266 (the zone’s center; the record gives no point)

High Wind, Dauphin

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Dauphin forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.415, -76.779 (the zone’s center; the record gives no point)

High Wind, Lancaster

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Lancaster forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.042, -76.248 (the zone’s center; the record gives no point)

High Wind, Lebanon

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Lebanon forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.367, -76.458 (the zone’s center; the record gives no point)

High Wind, Schuylkill

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Schuylkill forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.706, -76.216 (the zone’s center; the record gives no point)

High Wind, Snyder

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Snyder forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.770, -77.070 (the zone’s center; the record gives no point)

High Wind, Southern Lycoming

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Southern Lycoming forecast zone
Property damage
$100,000
Reported by
EMERGENCY MANAGER
Coordinates
41.343, -77.064 (the zone’s center; the record gives no point)

High Wind, Sullivan

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Sullivan forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
41.446, -76.512 (the zone’s center; the record gives no point)

High Wind, Union

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
Union forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
40.963, -77.062 (the zone’s center; the record gives no point)

High Wind, York

When
September 16, 4:00 PM EST to 10:00 PM EST
Where
York forecast zone
Measured
60 kt (69 mph)
Reported by
EMERGENCY MANAGER
Coordinates
39.920, -76.726 (the zone’s center; the record gives no point)

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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: 5722811, 5722812, 5722813, 5722814, 5722815, 5722816, 5722817, 5722818, 5722819, 5722820, 5722821, 5722822, 5722823.