Alert archive / New Jersey / Flash Flood Warnings in 2015

Flash Flood Warning 8, NWS Philadelphia/Mount Holly

June 1, 20156 counties in New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 1, 2015, 3:42 PM EDT for 6 counties in New Jersey. It was in force for 6 hr. 5 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 1, 2015, 3:42 PM EDT (19:42 UTC)
Expired
Jun 1, 2015, 9:45 PM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 19:43 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.

What was reported inside it

TimeReportWhereRemark
Jun 1, 4:00 PM EDTFLASH FLOODCollings Lakes, NJSEVERAL ROADS FLOODED IN COLLINGS LAKES WITH FIRE DEPARTMENT RESPONDING.
Jun 1, 4:00 PM EDTFLASH FLOODFolsom, NJROAD CLOSURES IN FOLSOM DUE TO RAPID FLOODING.
Jun 1, 8:51 PM EDTHEAVY RAIN 4.07Piney Hollow, NJ
Jun 1, 8:52 PM EDTHEAVY RAIN 2.56Mullica Twp, NJ
Jun 1, 8:55 PM EDTHEAVY RAIN 5.58Folsom, NJ

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, 7.7 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 2015-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 355 joules per kilogram.LCLLFCEL10008507005003002001001 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, Phillips Aaf/Abe, MD at 12:00Z on 2015-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.1939Sfc1 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
355 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

784 
WGUS51 KPHI 011942
FFWPHI
NJC001-005-007-011-015-033-012245-
/O.NEW.KPHI.FF.W.0008.150601T1942Z-150601T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
342 PM EDT MON JUN 1 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  EAST CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 645 PM EDT
    
* AT 338 PM EDT...DOPPLER RADAR INDICATED MULTIPLE THUNDERSTORMS 
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS 
  EXPECTED.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  VINELAND...HAMMONTON...BUENA...EGG HARBOR CITY...WEYMOUTH...
  NEWFIELD...MALAGA...ELWOOD-MAGNOLIA...BATSTO...WHARTON STATE
  FOREST...ROSENHAYN...OLIVET...FOLSOM AND COLLINGS LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE AND 
PROPERTY. NEVER DRIVE THROUGH FLOODED WATERS.

&&

LAT...LON 3944 7511 3958 7518 3974 7463 3957 7454

$$

KRUZDLO
3 follow-up statements
250 
WGUS71 KPHI 012018
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
418 PM EDT MON JUN 1 2015

NJC001-005-007-011-015-033-012245-
/O.CON.KPHI.FF.W.0008.000000T0000Z-150601T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-GLOUCESTER NJ-CAMDEN NJ-SALEM NJ-CUMBERLAND NJ-
ATLANTIC NJ-
418 PM EDT MON JUN 1 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
SOUTH CENTRAL BURLINGTON...SOUTHEASTERN GLOUCESTER...SOUTHEASTERN
CAMDEN...EAST CENTRAL SALEM...NORTHEASTERN CUMBERLAND AND
NORTHWESTERN ATLANTIC COUNTIES...

AT 411 PM EDT...THE THUNDERSTORMS WERE MOVING OUT OF THE WARNED 
AREA, BUT FLOODING REMAINED A SERIOUS THREAT. THE HEAVIEST RAINS 
FELL BETWEEN COLLINGS LAKES IN ATLANTIC COUNTY TO NEAR BATSTO IN 
BURLINGTON COUNTY. RADAR ESTIMATES WERE IN THE THREE TO FOUR INCH 
RANGE. SOCIAL MEDIA POSTS SHOWED ROAD FLOODING IN THE HAMMONTON 
AREA. THE BLACK HORSE PIKE, WHITE HORSE PIKE, AS WELL AS THE 
ATLANTIC CITY EXPRESSWAY ALL RECEIVED VERY HEAVY RAIN.

LAT...LON 3944 7511 3958 7518 3974 7463 3957 7454

$$

KRUZDLO
419 
WGUS51 KPHI 012242
FFWPHI
NJC001-005-007-011-015-033-020145-
/O.EXT.KPHI.FF.W.0008.000000T0000Z-150602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
642 PM EDT MON JUN 1 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHEASTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  EAST CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
  NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 945 PM EDT
    
* AT 637 PM EDT...DOPPLER RADAR INDICATED THAT MORE HEAVY RAIN WAS 
  MOVING INTO THE WARNED AREA. UP TO THREE INCHES HAVE ALREADY 
  FALLEN. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE 
  POSSIBLE THIS EVENING. MORE FLOODING IS EXPECTED. 
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3944 7511 3958 7518 3974 7463 3957 7454

$$

KRUZDLO
717 
WGUS71 KPHI 020144
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
944 PM EDT MON JUN 1 2015

NJC001-005-007-011-015-033-020152-
/O.EXP.KPHI.FF.W.0008.000000T0000Z-150602T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURLINGTON NJ-GLOUCESTER NJ-CAMDEN NJ-SALEM NJ-CUMBERLAND NJ-
ATLANTIC NJ-
944 PM EDT MON JUN 1 2015

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL BURLINGTON...
SOUTHEASTERN GLOUCESTER...SOUTHEASTERN CAMDEN...EAST CENTRAL SALEM...
NORTHEASTERN CUMBERLAND AND NORTHWESTERN ATLANTIC COUNTIES WILL
EXPIRE AT 945 PM EDT...

THIS FLASH FLOOD WARNING HAS BEEN REPLACED WITH A FLOOD WARNING. 
WHILE FLOODING REMAINS POSSIBLE THIS EVENING, RAPIDLY RISING WATER 
IS NO LONGER EXPECTED.

LAT...LON 3944 7511 3958 7518 3974 7463 3957 7454

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:13 PM EDTFlash Flood WarningPHISomerset5 hr
May 31, 8:43 PM EDTSpecial Weather StatementPHIHunterdon62 min
May 31, 9:06 PM EDTFlash Flood WarningPHIHunterdon5 hr
Jun 1, 1:57 AM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Warren3 hr
Jun 1, 2:17 AM EDTSpecial Weather StatementPHICamden, Gloucester, Mercer, Salem43 min
Jun 1, 2:55 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer2 hr
Jun 1, 3:20 AM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Somerset115 min
Jun 1, 3:35 AM EDTSpecial Weather StatementPHIAtlantic, Monmouth, Ocean25 min
Jun 1, 4:20 AM EDTFlash Flood WatchPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more26 hr
Jun 1, 5:56 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester3 hr
Jun 1, 10:05 AM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset4 hr
Jun 1, 10:11 AM EDTSmall Craft AdvisoryPHI4 days
Jun 1, 2:28 PM EDTSpecial Weather StatementPHIBurlington, Camden, Cumberland, Gloucester, Salem32 min
Jun 1, 3:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester56 min
Jun 1, 3:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington46 min
Jun 1, 3:56 PM EDTSpecial Weather StatementPHIAtlantic, Cape May79 min
Jun 1, 4:26 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Ocean3 hr
Jun 1, 4:32 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem43 min
Jun 1, 4:37 PM EDTTornado WarningPHISalem23 min
Jun 1, 5:27 PM EDTAreal Flood AdvisoryPHICumberland, Gloucester, Salem3 hr
Jun 1, 5:34 PM EDTAreal Flood AdvisoryPHICape May3 hr
Jun 1, 7:18 PM EDTFlash Flood WarningPHICumberland3 hr
Jun 1, 7:26 PM EDTSpecial Marine WarningPHI34 min
Jun 1, 7:54 PM EDTSpecial Weather StatementPHIAtlantic, Cape May111 min

Nearby

Flash Flood Warnings in New Jersey, 2015Every flash flood warning in 2015

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.