Alert archive / Delaware / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 32, NWS Wilmington, NC

August 4, 1992Kent County, Sussex County, Delaware

NWS Wilmington, NC issued this severe thunderstorm warning at Aug 4, 1992, 4:39 PM EDT for Kent County, Sussex County, Delaware. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1992, 4:39 PM EDT (20:39 UTC)
Expired
Aug 4, 1992, 5:30 PM EDT
In force
51 min
Issued by
NWS Wilmington, NC
Area
Whole counties

Counties Kent County, DE, Sussex County, DE

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 8.7 hours before the alert went out and 101 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 1992-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 819 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 1992-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
819 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.1
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 Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 2:34 PM EDTSevere Thunderstorm WarningILMKent56 min
Aug 4, 4:48 PM EDTSevere Thunderstorm WarningILMSussex42 min
Aug 4, 5:21 PM EDTSevere Thunderstorm WarningILMSussex54 min

Nearby

Severe Thunderstorm Warnings in Delaware, 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; the sounding from the Mesonet's radiosonde archive.