Alert archive / Virginia / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 22, NWS Blacksburg, VA

May 17, 1988Franklin County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 17, 1988, 2:48 PM EDT for Franklin County, Virginia. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 17, 1988, 2:48 PM EDT (18:48 UTC)
Expired
May 17, 1988, 3:45 PM EDT
In force
57 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Franklin County, VA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.8 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, Greensboro/Hi Pt, NC at 12:00Z on 1988-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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, Greensboro/Hi Pt, NC at 12:00Z on 1988-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
32 J/kg
Mixed-layer CIN
-259 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 2:19 PM EDTSevere Thunderstorm WarningRNKIredell56 min
May 17, 2:42 PM EDTSevere Thunderstorm WarningRNKDavidson, Guilford, Randolph63 min
May 17, 3:11 PM EDTSevere Thunderstorm WarningRNKDavie, Rowan64 min
May 17, 3:11 PM EDTSevere Thunderstorm WarningRNKForsyth64 min
May 17, 3:27 PM EDTSevere Thunderstorm WarningRNKAlamance63 min
May 17, 3:47 PM EDTSevere Thunderstorm WarningRNKGuilford58 min
May 17, 4:47 PM EDTSevere Thunderstorm WarningRNKAlamance, Guilford, Randolph58 min
May 17, 2:31 PM EDTSevere Thunderstorm WarningRNKPatrick44 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1988Every severe thunderstorm warning in 1988

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.