Slow moving thunderstorms along a nearly stationary cold front produced locally heavy rainfall in a short duration, resulting in flash flooding across portions of the Lower Susquehanna Valley. Rainfall amounts ranged from three to six inches in less than three hours with the highest amounts over eastern Cumberland, eastern Franklin and northern York Counties.

Flood in YORK, PENNSYLVANIA
From 24-JUL-09 04:00:00 to 24-JUL-09 07:30:00 (EST-5)
Location: NEW MARKET
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rain caused Yellow Breeches Creek at Camp Hill to exceed flood stage. A number of homes in the Green Lane Farms development were affected by flood waters.

Flood in CUMBERLAND, PENNSYLVANIA
From 24-JUL-09 04:00:00 to 24-JUL-09 07:30:00 (EST-5)
Location: EBERLEYS MILL
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rain caused Yellow Breeches Creek at Camp Hill to exceed flood stage. Moderate flooding was reported along Creekwood Drive in the Allendale section of Camp Hill, where reports of several flooded vehicles were received. Also, Cedar Cliff Drive was inundated by flood waters from the Creek.

Flash Flood in YORK, PENNSYLVANIA
From 23-JUL-09 17:45:00 to 23-JUL-09 19:00:00 (EST-5)
Location: YOCUMTOWN
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced significant flash flooding across northern York County. Flooding closed numerous roads in Carrol Township. A water rescue was performed at the intersection of the Gettysburg Pike and Chestnut Street on the Rosegarden underpass, where two vehicles with 4-5 occupants were stranded. Junction Road bridge over the Dogwood Creek was jammed with debris, causing water to spill over the bridge and damage the road/bridge structure. West Siddonsburg Road between Route 15 and Orebank Road was closed due to flooding. A rock slide occurred on Mt. Airy and Ridge Road in Monaghan Township. Significant damage was reported on Guilbert Road between West Siddonsburg Road and Stony Run Road along the Cumberland County line. Route 74 was closed between Campground Road and Williams Grove Road. Fairview and Monaghan Townships each issued disaster declarations for the aftermath of the flooding.

Flood in LYCOMING, PENNSYLVANIA
From 23-JUL-09 20:26:00 to 23-JUL-09 22:15:00 (EST-5)
Location: JERSEY SHR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced flash flooding across southwest Lycoming County. The flooding washed out a portion of Route 44 in Watson Township. A rock slide occurred on Route 973 in Watson and Mifflin Townships. The Salladasburg Borough also reported flooding.
The flash flooding persisted into the late evening on the 23rd and transitioned into areal county flooding.

Flood in CLINTON, PENNSYLVANIA
From 23-JUL-09 20:26:00 to 23-JUL-09 22:15:00 (EST-5)
Location: SWISSDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced flash flooding throughout south-central Clinton County. Numerous small streams were flooded causing road and bridge closures in Woolrich, McElhatten and Avis. Flash flooding caused a washout along Coudersport Pike/Route 664 and Middle Hill Road in Woodward Township. Lusk Run, Fairport Road and Orner Road were flooded in Bald Eagle Township. Flooding was also reported on Spong Hollow Road in Dunnstable Township and on Little Plum Road, Gravel Hill Road, Owl Hollow Road, Park Avenue, Sulfur Run Road and Steward Road in Pine Creek Township.
The flash flooding persisted into the late evening on the 23rd and transitioned into areal county flooding.

Flash Flood in CUMBERLAND, PENNSYLVANIA
From 23-JUL-09 16:30:00 to 23-JUL-09 19:00:00 (EST-5)
Location: GETTYSBURG JCT
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain caused flash flooding just north of Carlisle in North Middletown Township. Three to five feet of water inundated several homes along Echo Road. Water was over the top of resident mailboxes in some areas. Several municipal roads were also closed due to the flooding.

Flash Flood in FRANKLIN, PENNSYLVANIA
From 23-JUL-09 16:22:00 to 23-JUL-09 19:00:00 (EST-5)
Location: GRINDSTONE HILL
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain produced flash flooding just south of Chambersburg along Interstate 81 between mile markers 10 and 13. The northbound lane at the Lighthouse Road overpass was covered by four inches of water. Eight residents were displaced due to flooding in Chambersburg Borough along Falling Spring Road. A partial foundation collapse occurred to a home on Country Road in Guilford Township. Nearly five inches of rainfall was reported in Scotland between 330 and 600 pm EDT.

Flash Flood in CUMBERLAND, PENNSYLVANIA
From 23-JUL-09 16:45:00 to 23-JUL-09 19:00:00 (EST-5)
Location: NEWBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain produced flash flooding along the Pennsylvania Turnpike near Newville.

Flash Flood in CLINTON, PENNSYLVANIA
From 23-JUL-09 18:15:00 to 23-JUL-09 20:26:00 (EST-5)
Location: SWISSDALE
Flood cause: Heavy Rain
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced flash flooding throughout south-central Clinton County. Numerous small streams were flooded causing road and bridge closures in Woolrich, McElhatten and Avis. Flash flooding caused a washout along Coudersport Pike/Route 664 and Middle Hill Road in Woodward Township. Lusk Run, Fairport Road and Orner Road were flooded in Bald Eagle Township. Flooding was also reported on Spong Hollow Road in Dunnstable Township and on Little Plum Road, Gravel Hill Road, Owl Hollow Road, Park Avenue, Sulfur Run Road and Steward Road in Pine Creek Township. Chatham Run was out of its banks at Gravel Hill Road.

Flash Flood in CUMBERLAND, PENNSYLVANIA
From 23-JUL-09 17:25:00 to 23-JUL-09 19:00:00 (EST-5)
Location: MECHANICSBURG
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain produced flash flooding just southeast of Mechanicsburg in Upper Allen Township. Several residents were evacuated from flooded homes.

Flash Flood in LYCOMING, PENNSYLVANIA
From 23-JUL-09 18:20:00 to 23-JUL-09 20:26:00 (EST-5)
Location: JERSEY SHR
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced flash flooding across southwest Lycoming County. The flooding washed out a portion of Route 44 in Watson Township. A rock slide occurred on Route 973 in Watson and Mifflin Townships. The Salladasburg Borough also reported flooding.

Flood in CUMBERLAND, PENNSYLVANIA
From 23-JUL-09 19:00:00 to 23-JUL-09 21:45:00 (EST-5)
Location: MECHANICSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced flash flooding just southeast of Mechanicsburg in Upper Allen Township. Several residents were evacuated from flooded homes.
The flash flooding persisted late into the evening on the 23rd and transitioned into areal county flooding.

Flood in YORK, PENNSYLVANIA
From 23-JUL-09 19:00:00 to 24-JUL-09 00:45:00 (EST-5)
Location: YOCUMTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain produced significant flash flooding across northern York County. Flooding closed numerous roads in Carrol Township. Junction Road bridge over the Dogwood Creek was jammed with debris, causing water to spill over the bridge and damage the road/bridge structure. West Siddonsburg Road between Route 15 and Orebank Road was closed due to flooding. A rock slide occurred on Mt. Airy and Ridge Road in Monaghan Township. Significant damage was reported on Guilbert Road between West Siddonsburg Road and Stony Run Road along the Cumberland County line. Route 74 was closed between Campground Road and Williams Grove Road. Fairview and Monaghan Townships each issued disaster declarations for the aftermath of the flooding.
The flash flooding persisted into the overnight hours on the 24th and transitioned into areal county flooding.