Alert archive / New Jersey / Flash Flood Warnings in 1992

Flash Flood Warning 7, NWS Philadelphia/Mount Holly

July 31, 1992Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 31, 1992, 10:05 AM EDT for Burlington County, New Jersey. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 31, 1992, 10:05 AM EDT (14:05 UTC)
Expired
Jul 31, 1992, 11:00 AM EDT
In force
55 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Burlington County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 2.1 hours before the alert went out and 50 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, Atlantic City In, NJ at 12:00Z on 1992-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 798 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, Atlantic City In, NJ at 12:00Z on 1992-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.193958Sfc1 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
798 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 9:42 AM EDTSevere Thunderstorm WarningPHIBurlington63 min
Jul 31, 9:59 AM EDTFlash Flood WarningPHICamden61 min
Jul 31, 9:59 AM EDTSevere Thunderstorm WarningPHICamden61 min
Jul 31, 10:05 AM EDTSevere Thunderstorm WarningPHIBurlington55 min
Jul 31, 7:09 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland66 min

Nearby

Flash Flood Warnings in New Jersey, 1992Every flash flood warning in 1992

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.