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New Jersey, Mercer

Flash Flood Watch

Statement as of 12:19 PM EDT on August 18, 2017


... Flash Flood Watch remains in effect until midnight EDT
tonight...

The Flash Flood Watch continues for

* portions of Delaware, northeast Maryland, New Jersey, and
Pennsylvania, including the following areas, in Delaware, Kent
and New Castle. In northeast Maryland, Caroline, Cecil, Kent
MD, Queen Annes, and Talbot. In New Jersey, Camden,
Gloucester, Hunterdon, Mercer, Middlesex, Morris, northwestern
Burlington, Salem, Somerset, Sussex, Warren, and western
Monmouth. In Pennsylvania, Berks, Delaware, eastern Chester,
eastern Montgomery, Lehigh, lower Bucks, Northampton,
Philadelphia, upper Bucks, western Chester, and western
Montgomery.

* Until midnight EDT tonight

* multiple rounds of showers and thunderstorms can be expected
through tonight. Torrential downpours with storms that develop
this afternoon and evening could produce rainfall rates greater
than 2 inches per hour. While the entire area will not receive
heavy rain, isolated rainfall totals of 3 to 6 inches are
possible where storms track over the same locations.

* Torrential rain falling in a short period of time will result
in rapidly rising water levels along streams and creeks and in
areas of poor drainage. Significant roadway flooding is
possible in isolated areas.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




Public Information Statement

Statement as of 10:09 AM EDT on August 18, 2017

Expires 10:09 PM EDT on August 18, 2017


The following are unofficial rainfall observations taken this
morning. Appreciation is extended to Highway
departments... cooperative observers... Skywarn spotters and social
media for these reports. This summary is also available on our home
Page at weather.Gov/phi

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

New Jersey

... Burlington County...
   Tabernacle 1.10 1002 am 8/18 mesonet

... Ocean County...
   Pine Beach 1.70 1003 am 8/18 mesonet
   Manchester TWP 1.18 1002 am 8/18 mesonet
   Toms River 1.11 1003 am 8/18 mesonet

Pennsylvania

... Lehigh County...
   Schnecksville 2.60 958 am 8/18 mesonet
   Catasauqua 2.50 1000 am 8/18 mesonet
   Lehigh Valley Intl a 2.32 1001 am 8/18 ASOS
   Orefield 2.24 959 am 8/18 mesonet
   Whitehall TWP 2.09 958 am 8/18 mesonet

... Northampton County...
   Bethlehem 1.86 957 am 8/18 mesonet
   Easton 1.41 1002 am 8/18 mesonet


**********************24 hour rainfall**********************

Location 24 hour time/date comments
                     rainfall of
                     /inches/ measurement

Pennsylvania

... Lehigh County...
   3 SW Schnecksville 2.63 700 am 8/18 cocorahs
   Lehigh Valley Intl a 2.32 751 am 8/18 ASOS
   6 SSW Beersville 2.09 755 am 8/18 cwop
   2 ENE Schnecksville 1.70 812 am 8/18 cocorahs
   3 W Bethlehem 1.07 700 am 8/18 cocorahs

... Northampton County...
   2 NW Bethlehem 1.46 800 am 8/18 cocorahs
   1 WNW Wilson 1.41 800 am 8/18 cwop
   5 NNE Bethlehem 1.41 640 am 8/18 cocorahs
   1 ENE Steuben 1.22 800 am 8/18 cwop
   2 NE Wilson 1.01 800 am 8/18 cwop


*****metadata*****
:8/18/2017, 1002 am, NJ, Burlington, Tabernacle, , , 39.84400, -74.71016, rain, 1.10, inch, mesonet,
:8/18/2017, 1003 am, NJ, ocean, Pine Beach, , , 39.93550, -74.17010, rain, 1.70, inch, mesonet,
:8/18/2017, 1002 am, NJ, ocean, Manchester TWP, , , 39.95000, -74.40000, rain, 1.18, inch, mesonet,
:8/18/2017, 1003 am, NJ, ocean, Toms River, , , 39.95373, -74.19792, rain, 1.11, inch, mesonet,
:8/18/2017, 958 am, PA, Lehigh, Schnecksville, , , 40.67820, -75.61960, rain, 2.60, inch, mesonet,
:8/18/2017, 1000 am, PA, Lehigh, Catasauqua, , , 40.65210, -75.46470, rain, 2.50, inch, mesonet,
:8/18/2017, 1001 am, PA, Lehigh, Lehigh Valley Intl Airport, , , 40.65200, -75.44000, rain, 2.32, inch, ASOS,
:8/18/2017, 959 am, PA, Lehigh, Orefield, , , 40.63482, -75.58435, rain, 2.24, inch, mesonet,
:8/18/2017, 958 am, PA, Lehigh, Whitehall TWP, , , 40.66000, -75.51000, rain, 2.09, inch, mesonet,
:8/18/2017, 957 am, PA, Northampton, Bethlehem, , , 40.62593, -75.37046, rain, 1.86, inch, mesonet,
:8/18/2017, 1002 am, PA, Northampton, Easton, , , 40.69000, -75.22000, rain, 1.41, inch, mesonet,
:8/18/2017, 700 am, PA, Lehigh, Schnecksville, 3, SW, 40.64739, -75.65051, rain_24, 2.63, inch, cocorahs,
:8/18/2017, 751 am, PA, Lehigh, Lehigh Valley Intl Airport, , , 40.65236, -75.44042, rain_24, 2.32, inch, ASOS,
:8/18/2017, 755 am, PA, Lehigh, Beersville, 6, SSW, 40.65583, -75.49283, rain_24, 2.09, inch, cwop,
:8/18/2017, 812 am, PA, Lehigh, Schnecksville, 2, ENE, 40.68480, -75.58870, rain_24, 1.70, inch, cocorahs,
:8/18/2017, 700 am, PA, Lehigh, Bethlehem, 3, W, 40.63109, -75.41491, rain_24, 1.07, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Bethlehem, 2, NW, 40.64611, -75.39222, rain_24, 1.46, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Wilson, 1, WNW, 40.69200, -75.26567, rain_24, 1.41, inch, cwop,
:8/18/2017, 640 am, PA, Northampton, Bethlehem, 5, NNE, 40.69844, -75.33812, rain_24, 1.41, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Steuben, 1, ENE, 40.70217, -75.33467, rain_24, 1.22, inch, cwop,
:8/18/2017, 800 am, PA, Northampton, Wilson, 2, NE, 40.71883, -75.21850, rain_24, 1.01, inch, cwop,


Gaines


1009 am EDT Fri Aug 18 2017

The following are unofficial rainfall observations taken this
morning. Appreciation is extended to Highway
departments... cooperative observers... Skywarn spotters and social
media for these reports. This summary is also available on our home
Page at weather.Gov/phi

********************storm total rainfall********************

Location storm total time/date comments
                     rainfall of
                     /inches/ measurement

New Jersey

... Burlington County...
   Tabernacle 1.10 1002 am 8/18 mesonet

... Ocean County...
   Pine Beach 1.70 1003 am 8/18 mesonet
   Manchester TWP 1.18 1002 am 8/18 mesonet
   Toms River 1.11 1003 am 8/18 mesonet

Pennsylvania

... Lehigh County...
   Schnecksville 2.60 958 am 8/18 mesonet
   Catasauqua 2.50 1000 am 8/18 mesonet
   Lehigh Valley Intl a 2.32 1001 am 8/18 ASOS
   Orefield 2.24 959 am 8/18 mesonet
   Whitehall TWP 2.09 958 am 8/18 mesonet

... Northampton County...
   Bethlehem 1.86 957 am 8/18 mesonet
   Easton 1.41 1002 am 8/18 mesonet


**********************24 hour rainfall**********************

Location 24 hour time/date comments
                     rainfall of
                     /inches/ measurement

Pennsylvania

... Lehigh County...
   3 SW Schnecksville 2.63 700 am 8/18 cocorahs
   Lehigh Valley Intl a 2.32 751 am 8/18 ASOS
   6 SSW Beersville 2.09 755 am 8/18 cwop
   2 ENE Schnecksville 1.70 812 am 8/18 cocorahs
   3 W Bethlehem 1.07 700 am 8/18 cocorahs

... Northampton County...
   2 NW Bethlehem 1.46 800 am 8/18 cocorahs
   1 WNW Wilson 1.41 800 am 8/18 cwop
   5 NNE Bethlehem 1.41 640 am 8/18 cocorahs
   1 ENE Steuben 1.22 800 am 8/18 cwop
   2 NE Wilson 1.01 800 am 8/18 cwop


*****metadata*****
:8/18/2017, 1002 am, NJ, Burlington, Tabernacle, , , 39.84400, -74.71016, rain, 1.10, inch, mesonet,
:8/18/2017, 1003 am, NJ, ocean, Pine Beach, , , 39.93550, -74.17010, rain, 1.70, inch, mesonet,
:8/18/2017, 1002 am, NJ, ocean, Manchester TWP, , , 39.95000, -74.40000, rain, 1.18, inch, mesonet,
:8/18/2017, 1003 am, NJ, ocean, Toms River, , , 39.95373, -74.19792, rain, 1.11, inch, mesonet,
:8/18/2017, 958 am, PA, Lehigh, Schnecksville, , , 40.67820, -75.61960, rain, 2.60, inch, mesonet,
:8/18/2017, 1000 am, PA, Lehigh, Catasauqua, , , 40.65210, -75.46470, rain, 2.50, inch, mesonet,
:8/18/2017, 1001 am, PA, Lehigh, Lehigh Valley Intl Airport, , , 40.65200, -75.44000, rain, 2.32, inch, ASOS,
:8/18/2017, 959 am, PA, Lehigh, Orefield, , , 40.63482, -75.58435, rain, 2.24, inch, mesonet,
:8/18/2017, 958 am, PA, Lehigh, Whitehall TWP, , , 40.66000, -75.51000, rain, 2.09, inch, mesonet,
:8/18/2017, 957 am, PA, Northampton, Bethlehem, , , 40.62593, -75.37046, rain, 1.86, inch, mesonet,
:8/18/2017, 1002 am, PA, Northampton, Easton, , , 40.69000, -75.22000, rain, 1.41, inch, mesonet,
:8/18/2017, 700 am, PA, Lehigh, Schnecksville, 3, SW, 40.64739, -75.65051, rain_24, 2.63, inch, cocorahs,
:8/18/2017, 751 am, PA, Lehigh, Lehigh Valley Intl Airport, , , 40.65236, -75.44042, rain_24, 2.32, inch, ASOS,
:8/18/2017, 755 am, PA, Lehigh, Beersville, 6, SSW, 40.65583, -75.49283, rain_24, 2.09, inch, cwop,
:8/18/2017, 812 am, PA, Lehigh, Schnecksville, 2, ENE, 40.68480, -75.58870, rain_24, 1.70, inch, cocorahs,
:8/18/2017, 700 am, PA, Lehigh, Bethlehem, 3, W, 40.63109, -75.41491, rain_24, 1.07, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Bethlehem, 2, NW, 40.64611, -75.39222, rain_24, 1.46, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Wilson, 1, WNW, 40.69200, -75.26567, rain_24, 1.41, inch, cwop,
:8/18/2017, 640 am, PA, Northampton, Bethlehem, 5, NNE, 40.69844, -75.33812, rain_24, 1.41, inch, cocorahs,
:8/18/2017, 800 am, PA, Northampton, Steuben, 1, ENE, 40.70217, -75.33467, rain_24, 1.22, inch, cwop,
:8/18/2017, 800 am, PA, Northampton, Wilson, 2, NE, 40.71883, -75.21850, rain_24, 1.01, inch, cwop,


Gaines

Flash Flood Watch

Statement as of 12:19 PM EDT on August 18, 2017


... Flash Flood Watch remains in effect until midnight EDT
tonight...

The Flash Flood Watch continues for

* portions of Delaware, northeast Maryland, New Jersey, and
Pennsylvania, including the following areas, in Delaware, Kent
and New Castle. In northeast Maryland, Caroline, Cecil, Kent
MD, Queen Annes, and Talbot. In New Jersey, Camden,
Gloucester, Hunterdon, Mercer, Middlesex, Morris, northwestern
Burlington, Salem, Somerset, Sussex, Warren, and western
Monmouth. In Pennsylvania, Berks, Delaware, eastern Chester,
eastern Montgomery, Lehigh, lower Bucks, Northampton,
Philadelphia, upper Bucks, western Chester, and western
Montgomery.

* Until midnight EDT tonight

* multiple rounds of showers and thunderstorms can be expected
through tonight. Torrential downpours with storms that develop
this afternoon and evening could produce rainfall rates greater
than 2 inches per hour. While the entire area will not receive
heavy rain, isolated rainfall totals of 3 to 6 inches are
possible where storms track over the same locations.

* Torrential rain falling in a short period of time will result
in rapidly rising water levels along streams and creeks and in
areas of poor drainage. Significant roadway flooding is
possible in isolated areas.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.




Weather Severe Map
Alaska - Areal Flood Advisory , Record Report
Arizona - Air Quality Alert
Arkansas - Flood Warning , Record Report , Public Information Statement
California - Record Report
Colorado - Public Information Statement
Delaware - Flash Flood Watch , Public Information Statement
District of Columbia - Heat Advisory , Public Information Statement
Florida - Coastal Hazard Statement , Areal Flood Advisory , Record Report
Georgia - Record Report
Hawaii - Special Statement , Record Report
Idaho - Fire Weather Watch
Illinois - Public Information Statement
Indiana - Beach Hazard Statement , Record Report
Iowa - Public Information Statement
Louisiana - Flood Warning , Heat Advisory , Record Report
Maryland - Coastal Flood Advisory , Flash Flood Watch , Heat Advisory , Public Information Statement
Michigan - Beach Hazard Statement , Record Report
Minnesota - Public Information Statement
Mississippi - Flood Warning
Missouri - Public Information Statement
Montana - Fire Weather Warning , Air Quality Alert
Nebraska - Areal Flood Warning
Nevada -
New Jersey - Flash Flood Watch , Areal Flood Advisory , Flash Flood Watch, Areal Flood Advisory , Public Information Statement
New Mexico -
New York - Areal Flood Advisory , Beach Hazard Statement , Public Information Statement
North Carolina - Heat Advisory , Record Report
North Dakota - Fire Weather Watch
Ohio - Beach Hazard Statement
Oklahoma - Flood Warning , Public Information Statement
Oregon - Air Quality Alert
Pennsylvania - Flash Flood Watch , Beach Hazard Statement , Public Information Statement
South Carolina - Heat Advisory
Texas - Flood Warning , Heat Advisory , Special Statement , Record Report
Virgin Islands - Coastal Hazard Statement
Virginia - Heat Advisory , Public Information Statement
Washington - Fire Weather Warning
West Virginia - Public Information Statement
- Small Craft Advisory

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