Alert archive / New Jersey / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 29, NWS Philadelphia/Mount Holly

July 15, 1992Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 15, 1992, 7:45 PM EDT for Cumberland County, New Jersey. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 15, 1992, 7:45 PM EDT (23:45 UTC)
Expired
Jul 15, 1992, 8:45 PM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Cumberland County, NJ

What was reported inside it

TimeReportWhereRemark
Jul 15, 8:53 PM EDTThunderstorm Wind 0Cumberland, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 11.8 hours before the alert went out and 56 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 1992-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1693 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 1992-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1693 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.7

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 15, 3:46 PM EDTSevere Thunderstorm WarningPHIOcean59 min
Jul 15, 6:07 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem68 min
Jul 15, 6:35 PM EDTSevere Thunderstorm WarningPHICamden55 min
Jul 15, 6:52 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer68 min
Jul 15, 7:23 PM EDTSevere Thunderstorm WarningPHIOcean67 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1992Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.