A significant winter storm affected much of Central Pennsylvania on December 13th, producing a wintry mix of snow, sleet and freezing rain. Moderate to heavy snow fell across the North Central Mountains north and east of Interstate 80 and Route 219. Further south across the Central Mountains, snow mixed with sleet and freezing rain. Freezing rain was the dominant precipitation type from the Laurel Highlands eastward into the Susquehanna Valley with over a quarter inch of ice build up on trees and wires.
The storm resulted in a wide range of of emergencies including several vehicle accidents, road closures, and downed utility lines. The downed lines lead to sporadic power outages statewide.

Winter Storm in POTTER, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Pennsylvania Department of Transportation (PENNDOT) reported a widespread eight to ten inch snow and sleet accumulation across much of Potter County. COOP reports from Coudersport and Roulette were both in excess of six inches.

Winter Storm in SOMERSET, PENNSYLVANIA
From 13-DEC-07 06:00:00 to 13-DEC-07 16:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A significant ice build-up was reported by the COOP observer at Laurel Summit, with nearly one-inch of ice accretion on trees and wires. The heavy coating of ice brought limbs down and uprooted a few small trees. Trained spotters in Somerset County also indicated moderate to heavy ice. There was some sleet at the onset, but the ice build-up was primarily due to a prolonged period of freezing rain.

Winter Storm in TIOGA, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer in Wellsboro reported over seven inches of snow and sleet accumulation.

Winter Storm in MCKEAN, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

COOP observations from Kane, Bradford and Smethport indicated that four to eight inches of snow and sleet fell across McKean County.

Winter Storm in CAMERON, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

COOP observations from Emporium and Sinnemahoning indicated four to eight inches of snow and sleet fell across Cameron County.

Winter Storm in ADAMS, PENNSYLVANIA
From 13-DEC-07 06:00:00 to 13-DEC-07 16:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A mixture of sleet and freezing rain fell across the Lower Susquehanna Valley. Spotters in Adams County reported approximately a quarter inch of ice build-up on trees, which were bent over nearly halfway toward the ground.

Winter Storm in NORTHERN CLINTON, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Snow and sleet accumulations ranged from four to eight inches across Northern Clinton County.

Winter Storm in NORTHERN LYCOMING, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Snow and sleet accumulations ranged from four to eight inches across Northern Lycoming County.

Winter Storm in YORK, PENNSYLVANIA
From 13-DEC-07 06:00:00 to 13-DEC-07 16:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mixture of sleet and freezing rain resulted in significant ice accretions across York County. The ice produced very slick roads, which lead to several vehicle accidents. There were no injuries.

Winter Storm in CUMBERLAND, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mixture of sleet and freezing rain lead to significant ice accretion across Cumberland County. The ice build-up lead to very slick roads which contributed to several vehicle accidents. One injury was reported.

Winter Storm in LANCASTER, PENNSYLVANIA
From 13-DEC-07 06:00:00 to 13-DEC-07 16:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mixture of sleet and freezing rain lead to significant ice accretion across Lancaster County. A small plane slide off the runway at the Lancaster Airport in Manheim Township. One injury was reported. The aircraft incident was relayed via the Pennslvyana Emergency Management Agency (PEMA).

Winter Storm in CAMBRIA, PENNSYLVANIA
From 13-DEC-07 09:00:00 to 13-DEC-07 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A mixture of sleet and freezing rain fell across Cambria County, with significant ice accretions of over one-quarter inch on trees and wires. A vehicle accident closed State Route 36 in Allegheny Township. One injury was reported.