Alert archive / Delaware / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 20, NWS Wilmington, NC

June 24, 1992New Castle County, Delaware

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 24, 1992, 8:36 PM EDT for New Castle County, Delaware. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 24, 1992, 8:36 PM EDT (00:36 UTC)
Expired
Jun 24, 1992, 9:45 PM EDT
In force
69 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County New Castle County, DE

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 00:00Z, 0.6 hours before the alert went out and 99 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 00:00Z on 1992-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1313 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 00:00Z on 1992-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
1313 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

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The text

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

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.