Alert archive / New Jersey / Flash Flood Warnings in 2018

Flash Flood Warning 17, NWS Philadelphia/Mount Holly

June 11, 2018Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 11, 2018, 12:53 AM EDT for Burlington County, Ocean County, New Jersey. 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
Jun 11, 2018, 12:53 AM EDT (04:53 UTC)
Expired
Jun 11, 2018, 4:27 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 9 km from the middle of the area, began a volume at 04:55 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
Jun 11, 2:30 AM EDTHEAVY RAIN 4.68Whitesbog, NJ24 TOTAL, MOST FELL BETWEEN MIDNIGHT AND 2:30 AM AS ESTIMATED BY RADAR.

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 00:00Z, 4.9 hours before the alert went out and 161 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 00:00Z on 2018-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2018-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1992 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

026 
WGUS51 KPHI 110453
FFWPHI
NJC005-029-111045-
/O.NEW.KPHI.FF.W.0017.180611T0453Z-180611T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
1253 AM EDT MON JUN 11 2018

The National Weather Service in Mount Holly NJ has issued a

* Flash Flood Warning for...
  Central Ocean County in southern New Jersey...
  East central Burlington County in southern New Jersey...

* Until 645 AM EDT.

* At 1251 AM EDT, Doppler radar indicated heavy rain across the 
  warned area. Up to two inches of rain have already fallen in some 
  areas over the last hour or two with additional rainfall amounts 
  of one to two inches in the next couple of hours. Flash flooding 
  is expected to begin shortly in the areas of heaviest rain, 
  especially where training occurs.

* Some locations that could experience flooding include...
  Toms River, Beachwood, Presidential Lakes Estates, Seaside Heights,
  Wrightstown, Holiday City South, Dover Beaches South, Holiday
  City-Berkeley, Bamber Lake, Cedar Glen Lakes, Whiting, Pine Ridge
  At Crestwood, Browns Mills, Leisure Village West-Pine Lake Park,
  Dover Beaches North, South Toms River, Island Heights, Country Lake
  Estates, Silver Ridge and Holiday City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

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 3983 7408 3994 7468 4003 7465 3998 7404

$$

Robertson
3 follow-up statements
918 
WGUS71 KPHI 110603
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
203 AM EDT MON JUN 11 2018

NJC005-029-111045-
/O.CON.KPHI.FF.W.0017.000000T0000Z-180611T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-Burlington NJ-
203 AM EDT MON JUN 11 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR
CENTRAL OCEAN AND EAST CENTRAL BURLINGTON COUNTIES...

At 202 AM EDT, Doppler radar indicated heavy rain across the warned
area. Up to two inches of rain have already fallen. Flash flooding is
expected to begin shortly, if not already ongoing.

Some locations that could experience flooding include...
Toms River, Beachwood, Presidential Lakes Estates, Seaside Heights,
Wrightstown, Holiday City South, Dover Beaches South, Holiday
City-Berkeley, Bamber Lake, Cedar Glen Lakes, Whiting, Pine Ridge At
Crestwood, Browns Mills, Leisure Village West-Pine Lake Park, Dover
Beaches North, South Toms River, Island Heights, Country Lake
Estates, Silver Ridge and Holiday City.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3983 7408 3994 7468 4003 7465 3998 7404

$$

MPS
482 
WGUS71 KPHI 110812
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
412 AM EDT MON JUN 11 2018

NJC005-029-111045-
/O.CON.KPHI.FF.W.0017.000000T0000Z-180611T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-Burlington NJ-
412 AM EDT MON JUN 11 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR
CENTRAL OCEAN AND EAST CENTRAL BURLINGTON COUNTIES...

At 411 AM EDT, Doppler radar indicated heavy rain fell across the 
warned area and resulted in 3 to 5 inches of rainfall. Although the 
heaviest rain has moved south of the region, light to moderate rain 
continues, and flash flooding is ongoing.

Some locations that could experience flooding include...
Toms River, Beachwood, Presidential Lakes Estates, Seaside Heights,
Wrightstown, Holiday City-Berkeley, Bamber Lake, Cedar Glen Lakes,
Whiting, Holiday City South, Pine Ridge At Crestwood, Browns Mills,
Dover Beaches South, South Toms River, Island Heights, Country Lake
Estates, Silver Ridge, Crestwood Village, Holiday City and Holiday
Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3983 7408 3994 7468 4001 7466 4002 7465
      3994 7405

$$

MPS
630 
WGUS71 KPHI 110827
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
427 AM EDT MON JUN 11 2018

NJC005-029-110836-
/O.CAN.KPHI.FF.W.0017.000000T0000Z-180611T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ocean NJ-Burlington NJ-
427 AM EDT MON JUN 11 2018

...THE FLASH FLOOD WARNING FOR CENTRAL OCEAN AND EAST CENTRAL
BURLINGTON COUNTIES IS CANCELLED...

The heavy rain has ended. Although the threat for flash flooding has 
ended, residual flooding continues. Roads are still closed, and 
Areal Flood Warnings remain in effect. Please continue to heed any 
remaining road closures.

LAT...LON 3983 7408 3994 7468 4001 7466 4002 7465
      3994 7405

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 10:38 PM EDTAreal Flood WarningPHIBurlington, Camden20 hr
Jun 10, 11:33 PM EDTFlash Flood WarningPHIBurlington, Camden5 hr
Jun 11, 12:03 AM EDTAreal Flood WarningPHIOcean7 hr
Jun 11, 1:16 AM EDTAreal Flood AdvisoryPHICamden, Gloucester, Salem8 hr
Jun 11, 2:15 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Gloucester, Ocean7 hr
Jun 11, 3:16 AM EDTAreal Flood AdvisoryPHICumberland, Salem8 hr
Jun 11, 3:54 AM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland, Gloucester7 hr
Jun 11, 8:28 AM EDTRiver Flood WarningPHIBurlington58 hr

Nearby

Flash Flood Warnings in New Jersey, 2018Every flash flood warning in 2018

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.