Heavy rain affected most of New Jersey on the 11th and 12th and caused poor drainage, field and river flooding. The subsequent river and stream flooding started on the 11th and persisted through the 15th in Morris County. Rain began during the afternoon of the 10th and continued through the 11th into the early morning on the 12th. Rain fell at its heaviest from the afternoon of the 11th until just after Midnight EST on the 12th. Event precipitation totals average three to five inches.
The heavy rain and flooding were caused by a low pressure system that developed along the Gulf Coast States on the 10th. This intensifying low pressure system moved northeast from Alabama on the morning of the 11th, to central North Carolina early in the evening on the 11th to near Bridgeport, Connecticut at 7 a.m. EST on the 12th.

Flood in MORRIS, NEW JERSEY
From 12-DEC-08 04:20:00 to 15-DEC-08 21:15:00 (EST-5)
Location: MOUNTAIN LAKES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Streets in Hanover Township were flooded.
The main stem of the  Passaic River at Pine Brook  was above its 19 foot flood stage from 900 a.m. EST on the 13th through 915 p.m. EST on the 15th. It crested at 19.41 feet at 430 a.m. EST on the 14th. The Rockaway River above the Boonton Reservoir was above its 5 foot flood stage from 854 a.m. EST on the 12th  through 1230 a.m. EST on the 13th. It crested at 5.42 feet at 215 p.m. EST on the 12th. The Rockaway River below the Boonton Reservoir was above its 5 foot flood stage from 1045 a.m. EST on the 12th  through 707 p.m. EST on the 13th. It crested at 6.11 feet at 9 p.m. EST on the 12th. The East Ditch at Beaver Brook Road was above its 3.9 foot flood stage from 420 a.m. EST through 459 p.m. EST on the 12th. It crested at 4.3 feet at 9 a.m. EST.
Event precipitation totals included 3.75 inches in Rockaway, 3.62 inches in Roxbury, 3.45 inches in Mendham and 3.34 inches in Long Hill.

Heavy Rain in CUMBERLAND, NEW JERSEY
From 11-DEC-08 16:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: DEERFIELD STREET
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 3.29 inches in Leesburg, 2.92 inches in Millville and 2.49 inches in Bridgeton.

Heavy Rain in HUNTERDON, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: ANTHONY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 3.61 inches in Bethlehem, 3.55 inches in Flemington, 3.43 inches in Readington and 3.24 inches in High Bridge.

Flood in OCEAN, NEW JERSEY
From 12-DEC-08 04:30:00 to 13-DEC-08 08:15:00 (EST-5)
Location: LAKEWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The North Branch of the Metedeconk River at Lakewood was above its 7 foot flood stage from 430 a.m. EST on the 12th through 815 a.m. EST on the 13th. It crested at 7.86 feet at 1045 a.m. EST on the 12th. There was also minor tidal flooding at the time of the morning high tide along the ocean front.
Event precipitation totals included 5.05 inches in Lavallette, 4.98 inches in Stafford Forge, 4.69 inches in Brick and 4.34 inches in Little Egg Harbor.

Flood in SOMERSET, NEW JERSEY
From 11-DEC-08 23:10:00 to 14-DEC-08 06:56:00 (EST-5)
Location: LAMINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Street flooding was reported in Bound Brook from the Raritan River. Roadways were closed in Hillsborough and Montgomery Townships. Numerous rivers and creeks flooded in the county.
The North Branch of the Raritan River at the village of North Branch was above its 12.3 foot flood stage from 315 a.m. EST through 1134 a.m. EST on the 12th. It crested at 13.38 feet at 715 a.m. EST. Farther downstream, the North Branch of the Raritan River at Raritan was above its 10 foot flood stage through 1223 p.m. EST on the 12th. It crested at 10.58 feet at 9 a.m. EST on the 12th. Farther downstream, the North Branch of the Raritan River at the village of South Branch  was above its 7 foot flood stage from 1110 p.m. EST on the 11th through 550 p.m. EST on the 12th. It crested at 11.09 feet at 930 a.m. EST on the 12th.
The main stem of the Raritan River at Manville was above its 12 foot flood stage from 1023 a.m. EST through 1049 p.m. EST on the 12th. It crested at 16.01 feet at 615 p.m. EST. Farther downstream the Raritan River at Bound Brook was above its 28 foot flood stage from 1005 a.m. EST on the 12th through 1243 a.m. EST on the 13th. It crested at 30.35 feet at 530 p.m. EST on the 12th.
The Millstone River at Griggstown was above its 10 foot flood stage from 1228 a.m. EST on the 12th through 656 a.m. EST on the 14th. It crested at 15.11  feet at 345 p.m. EST on the 12th. Farther downstream the Millstone River at Blackwells Mills was above its 9 foot flood stage from 840 a.m. EST on the 12th through 445 p.m. EST on the 13th. It crested at 11.88 feet at 745 p.m. EST on the 12th. Farther downstream the Millstone River at Weston was above its 12.4 foot flood stage from 1214 p.m. EST through 950 p.m. EST on the 12th. It crested at 13.27 feet at 5 p.m. EST.
Pike Run at Belle Mead was above its 7 foot flood stage from 1219 a.m. EST through 531 a.m. EST on the 12th. It crested at 7.66 feet at 2 a.m. EST. The Lamington River at Burnt Mills was above its 9.5 foot flood stage from 1130 p.m. EST on the 11th through 1109 a.m. EST on the 12th. It crested at 11.1 feet at 6 a.m. EST.
Event precipitation totals included 3.31 inches in Franklin, 3.18 inches in Bridgewater, 2.88 inches in Hillsborough and 2.85 inches in Bernardsville.

Heavy Rain in SUSSEX, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: CULVERS LAKE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

In valley locations, heavy plain rain fell.  Event precipitation totals included 3.75 inches in Newton, 3.49 inches in Andover and 3.43 inches in Wantage.

Flood in CAMDEN, NEW JERSEY
From 11-DEC-08 22:03:00 to 12-DEC-08 10:00:00 (EST-5)
Location: PAVONIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Cooper River at Haddonfield  was above its 2.8 foot flood stage from 1003 p.m. EST on the 11th through 1000 a.m. EST on the 12th. It crested at 3.24  feet at 330 a.m. EST on the 12th. There was also minor tidal flooding at the time of the early afternoon high tide along the Delaware River and its tidal tributaries on the 12th. The afternoon high tide in Philadelphia reached 8.44 feet above mean lower low water. Minor tidal flooding starts at 8.2 feet above mean lower low water.
Event precipitation totals included 3.70 inches in Winslow, 2.90 inches in Somerdale and 2.79 inches in Merchantville.

Heavy Rain in MERCER, NEW JERSEY
From 11-DEC-08 16:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: ETRA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 3.26 inches in Princeton, 3.11 inches in Ewing and 2.77 inches in Trenton.

Heavy Rain in WARREN, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: FINESVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 4.09 inches in Blairstown, 3.57 inches in Liberty and 3.51 inches in Greenwich.

Heavy Rain in SALEM, NEW JERSEY
From 11-DEC-08 14:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: CANTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy Rain in MIDDLESEX, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: WOODBRIDGE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Poor drainage flooding occurred in the Ideal Mobile Home off of Rahway Avenue in Woodbridge. Many people evacuated and spent the night of the 11th elsewhere.  Trash cans were floating away and water levels reached the tail pipes of vehicles. Event precipitation totals included 3.68 inches in New Brunswick. 3.42 inches in North Brunswick and 3.34 inches in Cranbury.

Flood in MONMOUTH, NEW JERSEY
From 12-DEC-08 06:46:00 to 12-DEC-08 19:49:00 (EST-5)
Location: ALLENWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Roadway flooding caused road closures in Millstone Township. The Manasquan River at Squankum was above its 7.5 foot flood stage from 646 a.m. EST through 749 p.m. EST on the 12th. It crested at 11.09 feet at 930 a.m. EST. There was also some moderate tidal flooding at the time of the morning high tide along the ocean front on the 12th.
Event precipitation totals included 4.42 inches in Lake Cuomo. 4.41 inches in Asbury Park, 4.31 inches in Manasquan and 3.96 inches in Holmdel.

Heavy Rain in ATLANTIC, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: BUENA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Poor drainage flooding affected the Stoney Field Estates Mobile Home Park in Egg Harbor Township. There was also minor tidal flooding at the time of the morning high tide along the ocean front.  The morning high tide at the Cape May Ferry Terminal reached 6.94 feet above mean lower low water. Minor tidal flooding starts at 6.7 feet above mean lower low water.

Event precipitation totals included 4.99 inches in Atlantic City, 4.96 inches at the Atlantic City International Airport and 3.19 inches in Hammonton.

Heavy Rain in CAPE MAY, NEW JERSEY
From 11-DEC-08 17:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: CAPE MAY PT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

In addition to the heavy rain, there was also minor tidal flooding at the time of the morning high tide along the ocean front on the 12th.  The morning high tide at the Cape May Ferry Terminal reached 6.94 feet above mean lower low water. Minor tidal flooding starts at 6.7 feet above mean lower low water.
Event precipitation totals included 5.27 inches in West Cape May, 4.89 inches in Wildwood, 4.81 inches in Erma and 4.30 inches in Woodbine.

Heavy Rain in GLOUCESTER, NEW JERSEY
From 11-DEC-08 14:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: BRIDGEPORT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 3.68 inches in Swedesboro, 3.46 inches in Franklinville and 3.20 inches in West Deptford.

Heavy Rain in BURLINGTON, NEW JERSEY
From 11-DEC-08 14:00:00 to 12-DEC-08 01:00:00 (EST-5)
Location: BORDENTOWN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Event precipitation totals included 3.89 inches in Southampton, 3.74 inches in Delran, 3.58 inches in Mount Laurel and 3.28 inches in Mount Holly.