Alert archive / West Virginia / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 4, NWS Jackson, KY

April 25, 1989Mason County, West Virginia

NWS Jackson, KY issued this severe thunderstorm warning at Apr 25, 1989, 9:55 PM EDT for Mason County, West Virginia. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1989, 9:55 PM EDT (01:55 UTC)
Expired
Apr 25, 1989, 11:00 PM EDT
In force
65 min
Issued by
NWS Jackson, KY
Area
Whole counties

County Mason County, WV

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

Huntington/Tri S, WV (KHTS), launched 00:00Z, 1.9 hours before the alert went out and 61 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, Huntington/Tri S, WV at 00:00Z on 1989-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1524 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, Huntington/Tri S, WV at 00:00Z on 1989-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
1524 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1539 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.8

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 Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 9:10 PM EDTSevere Thunderstorm WarningJKLGallia, Jackson65 min
Apr 25, 10:03 PM EDTSevere Thunderstorm WarningJKLGallia, Jackson57 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 1989Every severe thunderstorm warning in 1989

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.