An intense low pressure system that moved through the Great Lakes on the 9th produced a strong southerly flow of moist air from the Gulf of Mexico and Atlantic Ocean. Rain, with some snow at the start, began falling during the late evening of the 8th and ended by Noon EST on the 9th across central and southern New Jersey. The rain fell heavy at times between 5 a.m. EST and 10 a.m. EST on the 9th. Event precipitation totals averaged 1.5 to 3.0 inches. The concentration of the heavy rain and some headwater snow melt in a relatively short period of time produced poor drainage flooding as well as flooding of some of the streams and creeks in central and southern New Jersey.

Heavy Rain in MIDDLESEX, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: CARTERET
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Event precipitation totals included 2.15 inches in North Brunswick, 2.11 inches in New Brusnwick, 2.05 inches in South Brunswick, 1.77 inches in Cranbury, 1.71 inches in Monroe Township and 1.56 inches in Piscataway.

Flood in OCEAN, NEW JERSEY
From 09-DEC-09 19:09:00 to 10-DEC-09 01:07:00 (EST-5)
Location: GREENVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The runoff from the heavy rain produced flooding along sections of the North Branch of the Metedeconk River during the night of the 9th. The North Branch of the Metedeconk River near Lakewood was above its 7 foot flood stage from 709 p.m. EST on the 9th through 107 a.m. EDT on the 10th. It crested at 7.2 feet at 915 p.m. EST. Event precipitation totals included 3.09 inches in Bayville, 2.75 inches in Stafford Township, 2.43 inches in Barnegat Township, 2.32 inches in Little Egg Harbor Township, 2.25 inches in Berkeley Township, 2.05 inches in Brick Township, 2.02 inches in Toms River and 1.95 inches in Point Pleasant.

Heavy Rain in CAPE MAY, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: CAPE MAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Event precipitation totals included 3.17 inches in Woodbine, 2.67 inches in Upper Township, 2.22 inches in Lower Township and 2.14 inches in Sea Isle City.

Flood in SOMERSET, NEW JERSEY
From 09-DEC-09 09:15:00 to 11-DEC-09 07:30:00 (EST-5)
Location: NORTH PLAINFIELD
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The runoff from the heavy rain and melting snow produced flooding along several creeks and rivers within Somerset County. The Millstone River at Griggstown was above its 10 foot flood stage from 1101 a.m. EST on the 9th through 730 a.m. EST on the 11th. It crested at 13.84 feet at 115 a.m. EST on the 10th. Farther downstream, the Millstone River at Blackwells Mills was above its 9 foot flood stage from 703 p.m. EST on the 9th through 430 p.m. EST on the 10th. It crested at 10.3 feet at 5 a.m. EST on the 10th. The North Branch of the Raritan River at South Branch was above its 7 foot flood stage from 1019 a.m. EST through 1005 p.m. EST on the 9th. It crested at 9.0 feet at 430 p.m. EST. Pike Run at Belle Mead was above its 7 foot flood stage from 944 a.m. EST through 101 p.m. EST on the 9th. It crested at 7.51 feet at 1115 a.m. EST. The Green Brook at Rock Avenue near Plainfield was above its 8 foot flood stage from 915 a.m. EST through 110 p.m. EST on the 9th. It crested at 8.97 feet at 1115 a.m. EST.
Event precipitation totals included 2.32 inches in Franklin Township, 2.10 inches in Blackwells Mills, 2.09 inches in Belle Mead, 2.01 inches in Basking Ridge, 1.96 inches in Bridgewater Township, 1.87 inches in Montgomery Township, 1.72 inches in Somerville, 1.70 inches in Hillsborough Township and 1.53 inches in Bernards Township.

Heavy Rain in BURLINGTON, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: BATSTO
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Event precipitation totals included 2.36 inches in Eastampton Township, 2.15 inches in Mount Laurel Township, 2.12 inches in Medford Township, 2.08 inches in Moorestown Township and 1.57 inches in Pemberton.

Heavy Rain in ATLANTIC, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: CORBIN CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Event precipitation totals included 2.51 inches at the Atlantic City International Airport, 2.34 inches in Hamilton Township, 2.31 inches in Linwood, 2.24 inches in Estell Manor, 2.07 inches in Buena Vista Township and 1.97 inches in Folsom.

Flood in MERCER, NEW JERSEY
From 09-DEC-09 11:45:00 to 09-DEC-09 15:17:00 (EST-5)
Location: EAST TRENTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The runoff from the heavy rain produced flooding along sections of the Assunpink Creek during the daytime hours of the 9th. The Assunpink Creek at Trenton was above its 8.5 foot flood stage from 1145 a.m. EST through 317 p.m. EST on the 9th. It crested at 8.82 feet at 145 p.m. EST. Event precipitation totals included 2.12 inches in Lawrence Township, 1.98 inches in Treenton, 1.85 inches in Ewing Township, 1.74 inches in Robbinsville Township, 1.68 inches in Hamilton Township and 1.49 inches in Princeton Township.

Heavy Rain in MIDDLESEX, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: CARTERET
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Event precipitation totals included 2.15 inches in North Brunswick, 2.05 inches in South Brunswick, 1.77 inches in Cranbury, 1.71 inches in Monroe Township and 1.56 inches in Piscataway.

Flood in SALEM, NEW JERSEY
From 09-DEC-09 07:30:00 to 09-DEC-09 18:00:00 (EST-5)
Location: ELMER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The combination of heavy rain inland and high runoff coinciding with high tide along the coast caused field and roadway flooding in Salem County. Along the Delaware River, flooding was reported in Penns Grove and Elsinboro. Inland, flooding was reported on Woodstown-Daretown Road, Porchtown Road, Jericho Road, Daretown-Aldine Road, and Daretown Road between Daretown and Pole Tavern. In Elmer, stream flooding was reported on Front and Broad Streets and Elmer Lake overflowed onto Centerton Road.

Heavy Rain in MONMOUTH, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: ATLANTIC HIGHLANDS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

U.S. Route 9 in Freehold was closed due to the heavy rain. Event precipitation totals included 3.04 inches in Eatontown, 2.35 inches in Fair Haven, 2.21 inches in Belmar, 2.20 inches in Sea Girt, 1.97 inches in Asbury Park, 1.91 inches in Shrewsbury Township, 1.85 inches in Freehold, 1.84 inches in Wall Township, 1.83 inches in Holmdel Township, 1.79 inches in Lake Como, 1.75 inches in Howell Township and 1.74 inches in Red Bank.

Flood in GLOUCESTER, NEW JERSEY
From 09-DEC-09 12:36:00 to 09-DEC-09 20:30:00 (EST-5)
Location: SWEDESBORO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The runoff from the heavy rain produced flooding along sections of the Raccoon Creek during the afternoon and evening of the 9th in the county. The Raccoon Creek near Swedesboro was above its 13 foot flood stage from 1236 p.m. EDT through 830 p.m. EST on the 9th. It crested at 13.67 feet at 345 p.m. EST. Several basements across the county were flooded. Event precipitation totals included 2.55 inches in Franklin, 2.12 inches in South Harrison, 1.96 inches in West Deptford and 1.74 inches in Woolwich Township.

Flood in CAMDEN, NEW JERSEY
From 09-DEC-09 08:08:00 to 09-DEC-09 17:46:00 (EST-5)
Location: HADDONFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The runoff from the heavy rain produced flooding along sections of the Cooper River during the day on the 9th. The Cooper River near Haddonfield was above its 2.8 foot flood stage from 808 a.m. EST through 546 p.m. EST on the 9th. It crested at 3.32 feet at 1215 p.m. EST. In Camden one vehicle became stuck in high water. Event precipitation totals included 2.25 inches in Winslow Township, 2.23 inches in Somerdale, 1.95 inches in Pennsauken, 1.94 inches in Sicklerville and 1.79 inches in Cherry Hill.

Heavy Rain in CUMBERLAND, NEW JERSEY
From 09-DEC-09 01:00:00 to 09-DEC-09 08:00:00 (EST-5)
Location: SHILOH
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Roadway flooding was reported in Vineland. Event precipitation totals included 2.54 inches in Upper Deerfield Township, 2.51 inches in Vineland, 2.19 inches in Millville and 1.82 inches in Bridgeton.