Alert archive / New Jersey / Flash Flood Warnings in 2013

Flash Flood Warning 8, NWS Philadelphia/Mount Holly

June 7, 2013Cumberland County, Salem County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 7, 2013, 11:02 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 7, 2013, 11:02 PM EDT (03:02 UTC)
Expired
Jun 8, 2013, 3:00 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 79 km from the middle of the area, began a volume at 03:02 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.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.0 hours before the alert went out and 178 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, Wallops Is Stn, VA at 00:00Z on 2013-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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, Wallops Is Stn, VA at 00:00Z on 2013-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
32 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
91 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.

598 
WGUS51 KPHI 080302
FFWPHI
NJC011-033-080700-
/O.NEW.KPHI.FF.W.0008.130608T0302Z-130608T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1102 PM EDT FRI JUN 7 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SALEM COUNTY...
  NORTHWESTERN CUMBERLAND COUNTY...

* UNTIL 300 AM EDT...

* AT 1100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAIN FROM POST TROPICAL CYCLONE ANDREA OVER NORTHWESTERN 
CUMBERLAND AND SALEM COUNTIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRIDGETON.

ADDITIONAL RAINFALL AMOUNTS AROUND AN INCH IS POSSIBLE IN THE WARNED 
AREA. THIS IS ON TOP OF THE TWO TO FOUR INCHES OF RAIN THE AREA 
RECEIVED EARLIER TODAY.

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!

&&

LAT...LON 3974 7538 3973 7538 3969 7531 3968 7526
      3966 7524 3967 7520 3957 7507 3930 7526
      3928 7529 3934 7534 3933 7537 3939 7544
      3943 7547 3945 7554

$$

KRUZDLO
1 follow-up statement
498 
WGUS71 KPHI 080551
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
151 AM EDT SAT JUN 8 2013

NJC011-033-080559-
/O.CAN.KPHI.FF.W.0008.000000T0000Z-130608T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM NJ-CUMBERLAND NJ-
151 AM EDT SAT JUN 8 2013

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
CUMBERLAND AND SALEM COUNTIES...

FLASH FLOODING IS NO LONGER A THREAT, BUT RIVER FLOODING STILL 
PERSISTS. THE COHANSEY RIVER IN SEELEY IS ABOVE FLOOD STAGE AND 
THE SALEM RIVER AT WOODSTOWN IS RISING.

THIS FLASH FLOOD WARNING WILL BE REPLACED WITH AN AREAL FLOOD 
WARNING TO COVER THE RIVERS.

LAT...LON 3974 7538 3973 7538 3969 7531 3968 7526
      3966 7524 3967 7520 3957 7507 3930 7526
      3928 7529 3934 7534 3933 7537 3939 7544
      3943 7547 3945 7554

$$

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:47 PM EDTAreal Flood WarningPHISussex, Warren6 hr
Jun 7, 9:15 PM EDTAreal Flood AdvisoryPHIBurlington8 hr
Jun 7, 9:41 PM EDTRiver Flood WarningPHIMercer9 hr
Jun 7, 9:57 PM EDTRiver Flood WarningPHISomerset44 hr
Jun 7, 10:01 PM EDTRiver Flood WarningPHISomerset16 hr
Jun 7, 10:01 PM EDTRiver Flood WarningPHIMiddlesex, Somerset20 hr
Jun 7, 10:01 PM EDTRiver Flood WarningPHIMiddlesex, Somerset22 hr
Jun 8, 1:47 AM EDTAreal Flood WarningPHICamden, Gloucester19 hr
Jun 8, 1:54 AM EDTAreal Flood WarningPHICumberland, Salem12 hr
Jun 8, 3:06 AM EDTAreal Flood WarningPHIMonmouth, Ocean6 hr
Jun 8, 8:56 AM EDTAreal Flood WarningPHIMonmouth10 hr
Jun 8, 9:28 AM EDTAreal Flood WarningPHIMorris, Somerset6 hr
Jun 8, 12:40 PM EDTRiver Flood WarningPHIMorris19 hr
Jun 8, 3:43 PM EDTSmall Craft Advisory for Hazardous SeasPHI9 hr

Nearby

Flash Flood Warnings in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.