Alert archive / Virginia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Wakefield, VA

August 3, 1993Dinwiddie County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Aug 3, 1993, 4:41 PM EDT for Dinwiddie County, Virginia. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1993, 4:41 PM EDT (20:41 UTC)
Expired
Aug 3, 1993, 5:30 PM EDT
In force
49 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County Dinwiddie County, VA

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.7 hours before the alert went out and 219 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, Wallops Is Stn, VA at 12:00Z on 1993-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1746 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, Wallops Is Stn, VA at 12:00Z on 1993-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1746 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1115 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.3
Supercell composite
0.6

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 Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 1:42 PM EDTSevere Thunderstorm WarningAKQPrince George33 min
Aug 3, 5:27 PM EDTSevere Thunderstorm WarningAKQSussex48 min
Aug 3, 5:36 PM EDTSevere Thunderstorm WarningAKQDinwiddie39 min
Aug 3, 6:00 PM EDTSevere Thunderstorm WarningAKQAccomack30 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1993Every severe thunderstorm warning in 1993

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.