Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 49, NWS Jackson, KY

August 19, 1991Breathitt County, Perry County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Aug 19, 1991, 6:13 PM EDT for Breathitt County, Perry County, Kentucky. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 19, 1991, 6:13 PM EDT (22:13 UTC)
Expired
Aug 19, 1991, 6:45 PM EDT
In force
32 min
Issued by
NWS Jackson, KY
Area
Whole counties

Counties Breathitt County, KY, Perry County, KY

What was reported inside it

TimeReportWhereRemark
Aug 19, 6:15 PM EDTHail 1Breathitt, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.2 hours before the alert went out and 291 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, Dayton/James M C, OH at 12:00Z on 1991-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 604 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, Dayton/James M C, OH at 12:00Z on 1991-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
604 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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
Aug 19, 1:26 PM EDTSevere Thunderstorm WarningJKLLewis49 min
Aug 19, 2:08 PM EDTSevere Thunderstorm WarningJKLCarter, Greenup67 min
Aug 19, 5:06 PM EDTSevere Thunderstorm WarningJKLJackson54 min
Aug 19, 5:42 PM EDTSevere Thunderstorm WarningJKLLee, Owsley53 min
Aug 19, 2:13 PM EDTSevere Thunderstorm WarningJKLGallia62 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.