Alert archive / New Jersey / Flash Flood Warnings in 2013

Flash Flood Warning 12, NWS Philadelphia/Mount Holly

June 18, 20138 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 18, 2013, 2:10 PM EDT for 8 counties in New Jersey; New Castle County, Delaware. It was in force for 3 hr. 4 reports 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 18, 2013, 2:10 PM EDT (18:10 UTC)
Expired
Jun 18, 2013, 5:15 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 18:10 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 18, 2:47 PM EDTFLASH FLOODBellmawr, NJFLOODING ON 295 NORTHBOUND EXIT 26.
Jun 18, 3:01 PM EDTFLASH FLOODToms River Twp, NJFLOODING ON NJ 37 EASTBOUND.
Jun 18, 3:03 PM EDTFLASH FLOODWinslow Twp, NJFLOODING ON US 30. WEST OF COUNTY ROAD 723.
Jun 18, 3:07 PM EDTFLASH FLOODSouthampton Twp, NJFLOODING ON NJ 70 NEAR FOUR MILE CIRCLE.

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

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.2 hours before the alert went out and 102 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 811 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2013-06-18The 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
811 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

607 
WGUS51 KPHI 181810
FFWPHI
DEC003-NJC001-005-007-011-015-025-029-033-182115-
/O.NEW.KPHI.FF.W.0012.130618T1810Z-130618T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
210 PM EDT TUE JUN 18 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CAMDEN COUNTY...
  GLOUCESTER COUNTY...
  CENTRAL NEW CASTLE COUNTY...
  BURLINGTON COUNTY...
  SOUTHERN MONMOUTH COUNTY...
  NORTHERN ATLANTIC COUNTY...
  OCEAN COUNTY...
  SALEM COUNTY...
  NORTHERN CUMBERLAND COUNTY...

* UNTIL 515 PM EDT...

* AT 201 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAINS CONTINUE FROM AN AREA OF THUNDERSTORMS OVER 
BURLINGTON...CAMDEN...  CENTRAL NEW CASTLE...GLOUCESTER...NORTHERN 
ATLANTIC...NORTHERN   CUMBERLAND...OCEAN...SALEM AND SOUTHERN 
MONMOUTH COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WILMINGTON...TOMS RIVER...ASBURY PARK...BRIDGETON...GLOUCESTER
  CITY...LONG BRANCH AND VINELAND.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!

DRIVING INTO FLOOD WATERS COULD COST YOU YOUR LIFE...OR AT THE VERY
LEAST...THOUSANDS OF DOLLARS OF VEHICLE DAMAGE. NEARLY HALF OF ALL
FLASH FLOOD FATALITIES ARE AUTO RELATED. TURN AROUND...DON'T DROWN.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. TURN AROUND...DON'T DROWN! NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.

&&

LAT...LON 3980 7409 3978 7412 3992 7410 3975 7418
      3938 7480 3941 7546 3946 7555 3957 7552
      3959 7555 3947 7558 3941 7553 3941 7573
      3967 7574 4034 7397

$$

FORECASTER:PO
2 follow-up statements
530 
WGUS71 KPHI 181922
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
322 PM EDT TUE JUN 18 2013

NJC025-181930-
/O.CAN.KPHI.FF.W.0012.000000T0000Z-130618T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONMOUTH NJ-
322 PM EDT TUE JUN 18 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN MONMOUTH
COUNTY...

THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 3980 7409 3979 7411 3992 7410 3975 7418
      3938 7480 3941 7546 3946 7555 3957 7552
      3959 7555 3947 7558 3941 7554 3941 7573
      3966 7573 4013 7412 4009 7407 4010 7404

$$

DEC003-NJC001-005-007-011-015-029-033-182115-
/O.CON.KPHI.FF.W.0012.000000T0000Z-130618T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-GLOUCESTER NJ-NEW CASTLE DE-BURLINGTON NJ-ATLANTIC NJ-
OCEAN NJ-SALEM NJ-CUMBERLAND NJ-
322 PM EDT TUE JUN 18 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHERN CUMBERLAND...SALEM...OCEAN...NORTHERN ATLANTIC...
BURLINGTON...CENTRAL NEW CASTLE...GLOUCESTER AND CAMDEN COUNTIES...

AT 318 PM EDT...DOPPLER RADAR CONTINUES TO INDICATE AN AREA OF 
THUNDERSTORMS PRODUCING HEAVY RAIN OVER SOUTHER BURLINGTON... 
EASTERN CAMDEN...CENTRAL NEW CASTLE...EASTERN GLOUCESTER...NORTHERN 
ATLANTIC...NORTHERN CUMBERLAND...OCEAN AND SALEM COUNTIES.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA. 

THE RIVER GAUGE AT COOCHS BRIDGE IN NEW CASTLTE COUNTY DELAWARE IS 
RISING RAPIDLY AND MAY REACH FLOOD STAGE SHORTLY. 

LAT...LON 3980 7409 3979 7411 3992 7410 3975 7418
      3938 7480 3941 7546 3946 7555 3957 7552
      3959 7555 3947 7558 3941 7554 3941 7573
      3966 7573 4013 7412 4009 7407 4010 7404

$$

FORECASTER:PO
610 
WGUS71 KPHI 182009
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
409 PM EDT TUE JUN 18 2013

DEC003-NJC001-005-007-011-015-029-033-182019-
/O.CAN.KPHI.FF.W.0012.000000T0000Z-130618T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-GLOUCESTER NJ-NEW CASTLE DE-BURLINGTON NJ-ATLANTIC NJ-
OCEAN NJ-SALEM NJ-CUMBERLAND NJ-
409 PM EDT TUE JUN 18 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN
CUMBERLAND...SALEM...OCEAN...NORTHERN ATLANTIC...BURLINGTON...CENTRAL
NEW CASTLE...GLOUCESTER AND CAMDEN COUNTIES...

THE EARLIER HEAVY RAINS HAVE LIGHTENED AND WATERS ARE RECEDING. THE 
FLOOD WATERS NO LONGER POSE A THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 3980 7409 3979 7411 3992 7410 3975 7418
      3938 7480 3941 7546 3946 7555 3957 7552
      3959 7555 3947 7558 3941 7554 3941 7573
      3966 7573 4013 7412 4009 7407 4010 7404

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:16 PM EDTSpecial Weather StatementPHICape May, Cumberland, Salem119 min
Jun 17, 8:28 PM EDTAreal Flood AdvisoryPHICumberland, Salem107 min
Jun 17, 9:20 PM EDTAreal Flood AdvisoryPHICumberland3 hr
Jun 17, 9:51 PM EDTSpecial Weather StatementPHICape May, Cumberland, Salem114 min
Jun 18, 12:14 PM EDTAreal Flood AdvisoryPHIMercer3 hr
Jun 18, 12:25 PM EDTSevere Thunderstorm WarningPHIMercer, Monmouth, Ocean50 min
Jun 18, 1:10 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean65 min
Jun 18, 1:28 PM EDTSpecial Weather StatementPHIBurlington, Camden62 min
Jun 18, 1:32 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem3 hr
Jun 18, 1:39 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden81 min
Jun 18, 1:53 PM EDTSpecial Weather StatementPHISalem82 min
Jun 18, 3:05 PM EDTSpecial Marine WarningPHI55 min
Jun 18, 3:19 PM EDTSpecial Weather StatementPHIAtlantic71 min
Jun 18, 3:42 PM EDTSpecial Marine WarningPHI93 min
Jun 18, 3:44 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Ocean3 hr
Jun 18, 3:55 PM EDTSpecial Marine WarningPHI65 min
Jun 18, 4:44 PM EDTFlash Flood WarningPHIMorris, Sussex, Warren4 hr
Jun 18, 4:45 PM EDTSpecial Weather StatementPHIMorris75 min
Jun 18, 4:52 PM EDTSpecial Weather StatementPHIMorris, Warren53 min
Jun 18, 5:56 PM EDTAreal Flood AdvisoryPHIHunterdon, Somerset4 hr
Jun 18, 2:29 PM EDTFlash Flood WarningPHIKent, New Castle, Sussex3 hr
Jun 18, 4:08 PM EDTRiver Flood WarningPHINew Castle2 hr
Jun 18, 4:20 PM EDTSpecial Weather StatementPHISussex70 min
Jun 18, 4:23 PM EDTFlash Flood WarningPHISussex4 hr

Nearby

Flash Flood Warnings in New Jersey, 2013Flash Flood Warnings in Delaware, 2013Every flash flood warning in 2013

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.