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Inside Thorofare at Atlantic City (IN MLLW)

National Weather Service gauge ALCN4 · New Jersey · Atlantic County · 39.3536, -74.4569 · USGS 01410560

Stage at this gauge is reported IN MLLW.

Flood levels

Official flood levels at this gauge: minor flooding begins at 5.9 ft; moderate flooding begins at 6.9 ft; major flooding begins at 7.9 ft.

Minor flooding5.9 ft
Moderate flooding6.9 ft
Major flooding7.9 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

5.7 ft(MLLW) Flooding begins at the most susceptible locations in West Atlantic City.
5.9 ft(MLLW) MINOR FLOODING.
6.1 ft(MLLW) Flooding begins along the back bays in Atlantic City and Ventnor. Flooding begins on the Black Horse Pike (US Routes 40 and 322) in West Atlantic City.
6.2 ft(MLLW) COASTAL FLOOD ADVISORY LEVEL.
6.7 ft(MLLW) Flooding begins in Pleasantville.
6.9 ft(MLLW) MODERATE FLOODING. At this level, widespread flooding of roadways begins with many roads becoming impassable in Pleasantville, Egg Harbor Township, Atlantic City and Ventnor. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.
7.9 ft(MLLW) MAJOR FLOODING. At this level, flooding starts to become severe enough to begin causing structural damage along with widespread flooding of roadways in Pleasantville, Egg Harbor Township, Atlantic City and Ventnor. Vulnerable homes and businesses may be severely damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle.
8.9 ft(MLLW) The level reached on March 6, 1962.
10.0 ft(Mean Lower Low Water (MLLW)) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.

Forecast office: NWS Mount Holly · River Forecast Center: Middle Atlantic River Forecast Center.

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