A warm front extending through the Tri-State Area from a low pressure system moving across the northern Mid-Atlantic States acted as the focus for heavy rain and training thunderstorms in Queens and Nassau Counties.  Slow moving showers with embedded thunderstorms produced heavy rain which led to flash flooding on Long Island.  In addition, a woman driving in Orange County lost control of her car in a heavy shower, killing both herself and her unborn child.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 20:30:00 to 22-AUG-10 21:05:00 (EST-5)
Location: ROCKVILLE CENTRE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A car became stuck in high flood waters at the intersection of North Main St. and Stevens St. in Freeport.  The local fire department responded to rescue the three occupants of the vehicle.

Flash Flood in QUEENS, NEW YORK
From 22-AUG-10 21:25:00 to 22-AUG-10 22:32:00 (EST-5)
Location: ROSEDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several vehicles became stuck in flood waters with occupants rescued by the local fire department on 147th Ave., 225 St. and 144th Ave. in Brookville.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 22:15:00 to 22-AUG-10 22:32:00 (EST-5)
Location: ROOSEVELT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A vehicle became stuck in flood waters and the occupant was rescued by the local fire department on Long Beach Rd. at the Southern State underpass in South Hempstead.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 22:17:00 to 22-AUG-10 22:32:00 (EST-5)
Location: BALDWIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A vehicle became stuck in flood waters on Long Beach Rd. between Sunrise Hwy. and Merrick Rd. in Rockville Centre.  The occupant of the vehicle was rescued by the local fire department.

Heavy Rain in ORANGE, NEW YORK
From 22-AUG-10 17:40:00 to 22-AUG-10 17:40:00 (EST-5)
Location: HIGHLAND FALLS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A car traveling on Route 9W in Highland Falls hydroplaned from the heavy rain, spun off the road, hit a rock and then hit the guard rail.  A passenger in the back seat, who was pregnant, was ejected from the vehicle and pronounced dead at Cornwall Hospital. Two other passengers also sustained minor injuries.  A Cocorahs observer in Cold Spring, 4 miles NE of the accident in Putnam County, reported 5.29 inches of total rainfall.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 21:20:00 to 22-AUG-10 22:32:00 (EST-5)
Location: GREENVALE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

All lanes were closed in both directions on Interstate 495 in Roslyn Heights from Searingtown Rd. to Glen Cove Rd. with motorists being rescued from high water by the local fire department.  In the Herricks section of New Hyde Park, torrential rain caused severe flooding on Allen Street.  Four to five feet of water accumulated on parts of the street causing a foundation wall of one house to collapse, rupturing the gas main.  Approximately 30 homes had to be evacuated as a result of this.  Three homes on Allen St. were condemned as unsafe to inhabit due to cracks or partial collapse of their foundation walls.  Property damage amounts are estimated.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 20:50:00 to 23-AUG-10 21:05:00 (EST-5)
Location: ROCKVILLE CENTRE
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Several homes on Independence Ave. in Freeport had significant amounts of water in their basements.  One home had approximately 4 ft. of water damaging the oil burner and electric.  Damage amounts are estimated.

Flash Flood in QUEENS, NEW YORK
From 22-AUG-10 21:30:00 to 22-AUG-10 21:32:00 (EST-5)
Location: QUEENS VLG
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

In Springfield Gardens, Springfield Blvd. became impassable due to flood waters.  A bus became submerged in high water on Springfield Blvd. near 140th St. and its occupants were rescued by the local fire department.  Water accumulated under the underpasses on the Belt Parkway, causing the road to be closed in both directions.  Multiple people were trapped in vehicles, which local fire departments responded to in addition to flooding of many residential homes.  A resident on Edgewood Ave. needed assistance escaping the deluge of water entering her basement apartment.

Flash Flood in NASSAU, NEW YORK
From 22-AUG-10 21:00:00 to 22-AUG-10 22:32:00 (EST-5)
Location: BELLEROSE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two to three feet of water accumulated at the intersection of Floral Blvd. and Daisy Ave. in Floral Park, making the road impassable.  A Skywarn Spotter in Floral Park reported 3.82 inches of total rainfall.