Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 30, NWS Louisville, KY

July 2, 1991Metcalfe County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 2, 1991, 4:25 PM CDT for Metcalfe County, Kentucky. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1991, 4:25 PM CDT (21:25 UTC)
Expired
Jul 2, 1991, 5:20 PM CDT
In force
55 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Metcalfe County, KY

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.4 hours before the alert went out and 273 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, Paducah/Barkley, KY at 12:00Z on 1991-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2110 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, Paducah/Barkley, KY at 12:00Z on 1991-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
2110 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 3:59 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade46 min
Jul 2, 4:25 PM CDTFlash Flood WarningLMKAdair, Metcalfe, Russell65 min
Jul 2, 4:25 PM CDTSevere Thunderstorm WarningLMKAdair, Russell55 min
Jul 2, 5:01 PM CDTSevere Thunderstorm WarningLMKBullitt, Spencer29 min
Jul 2, 5:10 PM CDTSevere Thunderstorm WarningLMKGreen50 min
Jul 2, 5:41 PM CDTSevere Thunderstorm WarningLMKWashington29 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1991Every severe thunderstorm warning in 1991

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.