Flash Flood Warning 79, NWS Philadelphia/Mount Holly

Issued

Aug 7, 2019, 4:39 PM EDT (20:39 UTC)

Expired

Aug 7, 2019, 10:45 PM EDT

In force

6 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 20:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

213 
WGUS51 KPHI 072039
FFWPHI
NJC021-023-035-080245-
/O.NEW.KPHI.FF.W.0079.190807T2039Z-190808T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
439 PM EDT Wed Aug 7 2019

The National Weather Service in Mount Holly NJ has issued a

* Flash Flood Warning for...
  Northeastern Mercer County in central New Jersey...
  Somerset County in northern New Jersey...
  Middlesex County in northern New Jersey...

* Until 1045 PM EDT Wednesday.

* At 438 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to one inch of rain has
  already fallen. Flash flooding is expected to begin shortly in the
  areas of heaviest rain.

* Some locations that could experience flooding include...
  New Brunswick, Perth Amboy, Somerville, Somerset, Edison, Old
  Bridge, East Brunswick, Bridgewater, South Brunswick, Sayreville,
  North Brunswick, Carteret, Middlesex, Princeton, Bound Brook,
  Manville, Jamesburg, Hightstown, Cranbury and Hopewell.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

This includes the following highways...
 Garden State Parkway between mile markers 122 and 133.
 Interstate 287 in New Jersey between mile markers 0 and 20.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4045 7424 4040 7433 4036 7432 4023 7450
      4038 7481 4042 7480 4043 7475 4046 7477
      4066 7463 4067 7453 4065 7451 4067 7448
      4066 7441 4063 7442 4060 7446 4059 7420

$$

Iovino

714 
WGUS71 KPHI 080049
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
849 PM EDT Wed Aug 7 2019

NJC021-035-080055-
/O.CAN.KPHI.FF.W.0079.000000T0000Z-190808T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer NJ-Somerset NJ-
849 PM EDT Wed Aug 7 2019

...THE FLASH FLOOD WARNING FOR NORTHEASTERN MERCER AND SOMERSET
COUNTIES IS CANCELLED...

Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4045 7424 4040 7433 4036 7432 4025 7447
      4028 7449 4029 7456 4033 7463 4037 7462
      4042 7458 4049 7446 4056 7453 4060 7447
      4059 7421

$$

NJC023-080245-
/O.CON.KPHI.FF.W.0079.000000T0000Z-190808T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Middlesex NJ-
849 PM EDT Wed Aug 7 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT FOR
MIDDLESEX COUNTY...

At 845 PM EDT, emergency management reported continued flash 
flooding with road closures in portions of Middlesex County 
including: South Brunswick, Edison, and Perth Amboy. This flooding 
is due to the 2-4 inches of rain which fell over the area earlier 
this afternoon. 

Some locations that could experience flooding include...
New Brunswick, Perth Amboy, Somerset, Edison, Old Bridge, East
Brunswick, South Brunswick, Sayreville, North Brunswick, Carteret,
Middlesex, Bound Brook, Jamesburg, Cranbury, Princeton Meadows,
Colonia, Kingston, Dayton, Plainsboro Center and North Brunswick
Township.

This includes the following highways...
 Garden State Parkway between mile markers 122 and 133.
 Interstate 287 in New Jersey between mile markers 0 and 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

&&

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4045 7424 4040 7433 4036 7432 4025 7447
      4028 7449 4029 7456 4033 7463 4037 7462
      4042 7458 4049 7446 4056 7453 4060 7447
      4059 7421

$$

NC

Flash Flood Warnings in New Jersey, 2019Every flash flood warning in 2019

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.