Alert archive / New Jersey / Flash Flood Warnings in 2002

Flash Flood Warning 49, NWS Philadelphia/Mount Holly

June 19, 2002Camden County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 19, 2002, 7:04 PM EDT for Camden County, New Jersey. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 19, 2002, 7:04 PM EDT (23:04 UTC)
Expired
Jun 19, 2002, 9:00 PM EDT
In force
116 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Camden County, NJ

The radar

The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 23:07 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.1 hours before the alert went out and 104 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 2002-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 145 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 2002-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
145 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KPHI 192304
FFWPHI
NJC007-200100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
704 PM EDT WED JUN 19 2002

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 900 PM EDT.

* AT 702 PM EDT...WEATHER SERVICE RADAR INDICATED HEAVY THUNDERSTORMS
  PRODUCING IN EXCESS OF 2 INCHES OF RAIN AN HOUR.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS POOR DRAINAGE AREAS AND LOW LYING SPOTS.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

$$

LAT...LON 3997 7508 3986 7493 3976 7500 3988 7514

RNS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 10:17 AM EDTSpecial Marine WarningPHI73 min
Jun 19, 4:00 PM EDTSpecial Marine WarningPHI2 hr
Jun 19, 5:09 PM EDTFlash Flood WarningPHICamden96 min
Jun 19, 5:18 PM EDTFlash Flood WarningPHIBurlington117 min
Jun 19, 6:38 PM EDTFlash Flood WarningPHIGloucester2 hr
Jun 19, 7:46 PM EDTFlash Flood WarningPHIGloucester119 min

Nearby

Flash Flood Warnings in New Jersey, 2002Every flash flood warning in 2002

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.