Heavy rainfall developed across the area on the morning of April 16th ahead of a slow moving warm front. This rain developed in an environment with precipitable water values greater than 1.25 inches, well above normal for mid April. Rainfall totals generally ranged from 1.5 to 3.5 inches across much of New York City and the Lower Hudson Valley, with the majority of the rain falling in a 3-4 hour period. This resulted in flash flooding across the region.

Flood in ROCKLAND, NEW YORK
From 16-APR-18 10:00:00 to 17-APR-18 06:45:00 (EST-5)
Location: TALLMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mahwah River at Suffern rose above its flood stage of 4.0 feet at 11:00am EDT, crested at a height of 5.51 feet at 2:45pm EDT, and fell below flood stage at 7:15am EDT on April 17th.

Flood in BRONX, NEW YORK
From 16-APR-18 08:45:00 to 16-APR-18 21:00:00 (EST-5)
Location: FORDHAM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Bronx River at the New York Botanical Garden rose above its flood stage of 3.0 feet at 9:45am EDT, crested at a height of 4.24 feet at 4:00pm EDT, and fell below flood stage at 10:00pm EDT. The crest of 4.24 feet is above major flood stage.

Flash Flood in NEW YORK, NEW YORK
From 16-APR-18 08:47:00 to 16-APR-18 10:45:00 (EST-5)
Location: CENTRAL PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

The subway station at 145th Street and Broadway was flooded in Manhattan.

Flash Flood in WESTCHESTER, NEW YORK
From 16-APR-18 08:54:00 to 16-APR-18 10:45:00 (EST-5)
Location: BRONXVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

The northbound Sprain Brook Parkway was closed due to flooding in Yonkers.

Flash Flood in ROCKLAND, NEW YORK
From 16-APR-18 09:30:00 to 16-APR-18 10:45:00 (EST-5)
Location: SPRING VLY ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

South Pascack Road was closed in Nanuet due to flooding of the Pascack Brook.

Flash Flood in ROCKLAND, NEW YORK
From 16-APR-18 09:30:00 to 16-APR-18 10:45:00 (EST-5)
Location: SPRING VLY ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A vehicle was partially submerged at the intersection of South Pascack Road and Forman Drive in Spring Valley due to flooding.

Flash Flood in WESTCHESTER, NEW YORK
From 16-APR-18 10:00:00 to 16-APR-18 10:45:00 (EST-5)
Location: BRONXVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The Bronx River Parkway was closed at Exit 1 in Bronxville due to flooding.

Flash Flood in BRONX, NEW YORK
From 16-APR-18 06:23:00 to 16-APR-18 10:45:00 (EST-5)
Location: SPUYTEN DUYVIL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

The Henry Hudson Parkway was closed at West 237th Street in Riverdale due to flooding.

Flash Flood in RICHMOND, NEW YORK
From 16-APR-18 07:39:00 to 16-APR-18 10:45:00 (EST-5)
Location: RICHMOND VLY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Staten Island Railway service was suspended in both directions between Tottenville and Huguenot due to flooding at Richmond Valley.

Flash Flood in WESTCHESTER, NEW YORK
From 16-APR-18 08:54:00 to 16-APR-18 10:45:00 (EST-5)
Location: HASTINGS ON HUDSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flooding closed both lanes of the Bronx River Parkway at Exit 21 and NY119/Main Street in White Plains.

Flash Flood in NEW YORK, NEW YORK
From 16-APR-18 10:11:00 to 16-APR-18 10:45:00 (EST-5)
Location: CENTRAL PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The northbound lanes of the Henry Hudson Parkway were closed at 178th Street in Washington Heights due to flooding.

Flash Flood in NEW YORK, NEW YORK
From 16-APR-18 10:13:00 to 16-APR-18 10:45:00 (EST-5)
Location: CENTRAL PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The southbound lanes of the Henry Hudson Parkway were closed at West 96th Street in Bloomingdale due to flooding.

Flash Flood in QUEENS, NEW YORK
From 16-APR-18 10:27:00 to 16-APR-18 10:45:00 (EST-5)
Location: WOODSIDE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The Grand Central Parkway was closed in both directions at 48th Street in Astoria due to flooding.