Flash Flood Warning 11, NWS Philadelphia/Mount Holly

Issued

Jun 30, 2024, 4:53 PM EDT (20:53 UTC)

Expired

Jun 30, 2024, 7:45 PM EDT

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ

The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 20:56 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.

023 
WGUS51 KPHI 302053
FFWPHI
NJC019-023-027-035-302345-
/O.NEW.KPHI.FF.W.0011.240630T2053Z-240630T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
453 PM EDT Sun Jun 30 2024

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Northeastern Middlesex County in northern New Jersey...
  South Central Morris County in northern New Jersey...
  Central Somerset County in northern New Jersey...
  Central Hunterdon County in northwestern New Jersey...

* Until 745 PM EDT.

* At 453 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1.5 inches of 
  rain have fallen. The expected rainfall rate is 0.5 to 1.5 inches 
  in 1 hour. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  New Brunswick, Somerville, Somerset, Edison, Bridgewater, 
  Carteret, Middlesex, Bound Brook, Manville, High Bridge, Clinton 
  and Peapack And Gladstone.

This includes the following highways...
	New Jersey Turnpike near exit 13.
	Interstate 287 in New Jersey between mile markers 1 and 28.
	Interstate 78 in New Jersey between mile markers 12 and 42.
	Garden State Parkway between mile markers 130 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4057 7512 4059 7510 4067 7496 4071 7474
      4071 7441 4067 7446 4066 7445 4066 7441
      4063 7442 4060 7446 4061 7431 4059 7429
      4060 7426 4059 7421 4050 7440 4053 7486
      4052 7503

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR

$$

SFJ

388 
WGUS71 KPHI 302146
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
546 PM EDT Sun Jun 30 2024

NJC019-023-027-035-302345-
/O.CON.KPHI.FF.W.0011.000000T0000Z-240630T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-Middlesex NJ-Morris NJ-Somerset NJ-
546 PM EDT Sun Jun 30 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT THIS 
EVENING FOR NORTHEASTERN MIDDLESEX, SOUTH CENTRAL MORRIS, CENTRAL 
SOMERSET AND NORTHEASTERN HUNTERDON COUNTIES...

At 546 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 1 
and 2.5 inches of rain have fallen. The expected rainfall rate is 
0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 
inch are possible in the warned area. Flash flooding is ongoing or 
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets, and underpasses as well as other
         drainage and low lying areas.

Some locations that may experience flash flooding include...
  New Brunswick, Somerville, Somerset, Edison, Bridgewater, 
  Carteret, Middlesex, Bound Brook, Manville, High Bridge, Clinton 
  and Peapack And Gladstone.

This includes the following highways...
	New Jersey Turnpike near exit 13.
	Interstate 287 in New Jersey between mile markers 1 and 28.
	Interstate 78 in New Jersey between mile markers 16 and 42.
	Garden State Parkway between mile markers 130 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4071 7441 4067 7446 4066 7445 4066 7441
      4063 7442 4060 7446 4061 7431 4059 7429
      4060 7426 4059 7421 4050 7440 4053 7486
      4052 7503 4055 7503 4063 7495 4069 7484
      4071 7474

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...0.5-1.5 INCHES IN 1 HOUR

$$

SFJ

170 
WGUS71 KPHI 302339
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
739 PM EDT Sun Jun 30 2024

NJC019-023-027-035-302349-
/O.EXP.KPHI.FF.W.0011.000000T0000Z-240630T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hunterdon NJ-Middlesex NJ-Morris NJ-Somerset NJ-
739 PM EDT Sun Jun 30 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 745 PM EDT THIS EVENING FOR 
NORTHEASTERN MIDDLESEX, SOUTH CENTRAL MORRIS, CENTRAL SOMERSET AND 
NORTHEASTERN HUNTERDON COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4071 7441 4067 7446 4066 7445 4066 7441
      4063 7442 4060 7446 4061 7431 4059 7429
      4060 7426 4059 7421 4050 7440 4053 7486
      4052 7503 4055 7503 4063 7495 4069 7484
      4071 7474

$$

SFJ

Flash Flood Warnings in New Jersey, 2024Every flash flood warning in 2024

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.