Alert archive / New Jersey / Flash Flood Warnings in 2019

Flash Flood Warning 9, NWS Philadelphia/Mount Holly

May 29, 20195 counties in New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at May 29, 2019, 6:06 PM EDT for 5 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 29, 2019, 6:06 PM EDT (22:06 UTC)
Expired
May 29, 2019, 9:50 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 22:06 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.

What was reported inside it

TimeReportWhereRemark
May 29, 8:00 PM EDTFLASH FLOOD1 Wnw Bristol, PASEVERAL REPORTS OF WATER RESCUES FROM THE AREAS OF BRISTOL, BENSALEM, AND MIDDLETOWN TOWNSHIP.

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.1 hours before the alert went out and 123 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
415 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-157 m²/s²
0-3 km storm-relative helicity
-76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

170 
WGUS51 KPHI 292206
FFWPHI
NJC005-021-023-025-029-PAC017-300200-
/O.NEW.KPHI.FF.W.0009.190529T2206Z-190530T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
606 PM EDT Wed May 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Flash Flood Warning for...
  Northern Ocean County in southern New Jersey...
  Southeastern Mercer County in central New Jersey...
  Northern Burlington County in southern New Jersey...
  Monmouth County in central New Jersey...
  Middlesex County in northern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...

* Until 1000 PM EDT.

* At 605 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across portions of the warned area. Flash flooding is 
  expected to begin shortly in the areas of heaviest rain.

* Some locations that could experience flooding include...
  Toms River, Trenton, New Brunswick, Perth Amboy, Long Branch,
  Asbury Park, Sandy Hook, Lakewood, Middletown, Old Bridge, Jackson,
  Howell, East Brunswick, Sayreville, Marlboro, Manalapan, Carteret,
  Tinton Falls, Holmdel and Red Bank.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4032 7397 4007 7404 4005 7408 4005 7405
      3995 7407 3999 7408 3995 7411 4007 7496
      4060 7424 4059 7420 4050 7428 4046 7426
      4042 7400 4048 7402 4048 7401 4047 7399
      4041 7398 4038 7401 4038 7397

$$

Kruzdlo
2 follow-up statements
418 
WGUS71 KPHI 300036
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
836 PM EDT Wed May 29 2019

NJC005-021-023-025-029-PAC017-300200-
/O.CON.KPHI.FF.W.0009.000000T0000Z-190530T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-Bucks PA-
836 PM EDT Wed May 29 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
NORTHWESTERN OCEAN...SOUTHEASTERN MERCER...NORTH CENTRAL
BURLINGTON...SOUTHWESTERN MONMOUTH...SOUTHWESTERN MIDDLESEX AND
SOUTHEASTERN BUCKS COUNTIES...

At 834 PM EDT, Doppler radar indicated light to moderate rain 
remained across the region. Although the heavy rain had ended, 
runoff will continue into the evening. The flash flood warning 
remains in effect until 1000 pm. 

Some locations that could experience flooding include...
Trenton, Howell, Manalapan, Florence, Burlington, Bristol, Jamesburg,
Hightstown, Bordentown, Cranbury, Beverly, Tullytown, Allentown,
Farmingdale, Roosevelt, Florence-Roebling, East Freehold, Six Flags
Theme Park, West Freehold and Georgetown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4014 7420 4008 7434 4007 7496 4040 7451
      4032 7433 4026 7415

$$

Kruzdlo
555 
WGUS71 KPHI 300150
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
950 PM EDT Wed May 29 2019

NJC005-021-023-025-029-PAC017-300159-
/O.CAN.KPHI.FF.W.0009.000000T0000Z-190530T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-Mercer NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-Bucks PA-
950 PM EDT Wed May 29 2019

...THE FLASH FLOOD WARNING FOR NORTHWESTERN OCEAN...SOUTHEASTERN
MERCER...NORTH CENTRAL BURLINGTON...SOUTHWESTERN MONMOUTH...
SOUTHWESTERN MIDDLESEX AND SOUTHEASTERN BUCKS COUNTIES IS
CANCELLED...

The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.

LAT...LON 4014 7420 4008 7434 4007 7496 4040 7451
      4032 7433 4026 7415

$$

Iovino

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 8:23 PM EDTTornado WarningPHIWarren37 min
May 28, 8:30 PM EDTTornado WarningPHIMorris, Sussex30 min
May 28, 8:34 PM EDTSpecial Marine WarningPHI41 min
May 28, 8:35 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland55 min
May 28, 8:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester25 min
May 28, 8:44 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex, Warren61 min
May 28, 8:50 PM EDTAreal Flood AdvisoryPHICape May78 min
May 28, 8:59 PM EDTSpecial Marine WarningPHI61 min
May 28, 9:33 PM EDTAreal Flood AdvisoryPHIMorris, Somerset63 min
May 28, 9:47 PM EDTSpecial Marine WarningPHI43 min
May 28, 9:52 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean23 min
May 28, 9:57 PM EDTSpecial Marine WarningPHI44 min
May 28, 10:03 PM EDTSpecial Weather StatementPHIAtlantic12 min
May 28, 10:28 PM EDTSpecial Marine WarningPHI58 min
May 28, 10:30 PM EDTSpecial Weather StatementPHIOcean45 min
May 28, 10:33 PM EDTSpecial Weather StatementPHIBurlington27 min
May 28, 10:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
May 28, 11:00 PM EDTSpecial Weather StatementPHIBurlington, Ocean30 min
May 28, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean38 min
May 28, 11:21 PM EDTSpecial Marine WarningPHI39 min
May 28, 11:35 PM EDTSevere Thunderstorm WarningPHIOcean25 min
May 28, 11:57 PM EDTSpecial Marine WarningPHI48 min
May 29, 3:18 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more18 hr
May 29, 3:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren65 min
May 29, 3:38 PM EDTTornado WarningPHIHunterdon37 min
May 29, 3:43 PM EDTFlash Flood WarningPHISussex, Warren4 hr
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHISussex, Warren47 min
May 29, 4:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset41 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningPHIWarren51 min
May 29, 4:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
May 29, 4:16 PM EDTSevere Thunderstorm WarningPHIWarren27 min
May 29, 4:27 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren51 min
May 29, 4:28 PM EDTSpecial Weather StatementPHIMorris32 min
May 29, 4:35 PM EDTSpecial Weather StatementPHISussex25 min
May 29, 4:37 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean53 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer67 min
May 29, 5:01 PM EDTSpecial Weather StatementPHIHunterdon, Morris29 min
May 29, 5:03 PM EDTSpecial Marine WarningPHI57 min
May 29, 5:14 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren3 hr
May 29, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren34 min
May 29, 5:27 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset4 hr
May 29, 5:33 PM EDTTornado WarningPHIBurlington, Mercer, Monmouth27 min
May 29, 5:39 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more66 min
May 29, 5:45 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren30 min
May 29, 6:01 PM EDTSpecial Marine WarningPHI59 min
May 29, 6:02 PM EDTSpecial Weather StatementPHISalem28 min
May 29, 6:06 PM EDTSevere Thunderstorm WarningPHIBurlington24 min
May 29, 6:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean61 min
May 29, 6:35 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Ocean3 hr
May 29, 6:35 PM EDTSpecial Marine WarningPHI55 min
May 29, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem52 min
May 29, 7:12 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
May 29, 7:15 PM EDTSpecial Marine WarningPHI60 min
May 29, 7:25 PM EDTSpecial Marine WarningPHI65 min
May 29, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean42 min
May 29, 7:35 PM EDTSpecial Marine WarningPHI85 min
May 28, 9:17 PM EDTRiver Flood WarningPHIChester101 min
May 29, 2:19 PM EDTSpecial Weather StatementPHILehigh41 min
May 29, 2:26 PM EDTSpecial Weather StatementPHIMontgomery34 min
May 29, 2:30 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton60 min
May 29, 2:48 PM EDTSpecial Weather StatementPHIMonroe27 min
May 29, 2:59 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe46 min
May 29, 3:17 PM EDTTornado WarningPHIBucks, Lehigh28 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton46 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton46 min
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh62 min
May 29, 4:18 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton42 min
May 29, 4:42 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton48 min
May 29, 4:50 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Chester, Lehigh, Montgomery, Northampton40 min
May 29, 4:55 PM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery4 hr
May 29, 5:08 PM EDTTornado WarningPHIBucks, Montgomery27 min
May 29, 5:49 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery, Philadelphia41 min
May 29, 6:22 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia53 min

Nearby

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

Sources

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.