Alert archive / Kentucky / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 285, NWS Louisville, KY

July 21, 1996Adair County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 21, 1996, 4:33 PM CDT for Adair County, Kentucky. It was in force for 42 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
Jul 21, 1996, 4:33 PM CDT (21:33 UTC)
Expired
Jul 21, 1996, 5:15 PM CDT
In force
42 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Adair County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 21:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 21, 5:00 PM CDTThunderstorm Wind 50Columbia, 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.6 hours before the alert went out and 421 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, Peachtre/Fal Fld, GA at 12:00Z on 1996-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1498 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, Peachtre/Fal Fld, GA at 12:00Z on 1996-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -76 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
1498 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-76 m²/s²
0-3 km storm-relative helicity
-32 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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 2:51 PM CDTSevere Thunderstorm WarningLMKHardin39 min
Jul 21, 3:25 PM CDTSevere Thunderstorm WarningLMKJefferson35 min
Jul 21, 3:51 PM CDTSevere Thunderstorm WarningLMKBarren, Hart39 min
Jul 21, 3:55 PM CDTSevere Thunderstorm WarningLMKBullitt, Spencer50 min
Jul 21, 4:19 PM CDTSevere Thunderstorm WarningLMKGreen, Metcalfe41 min
Jul 21, 4:56 PM CDTSevere Thunderstorm WarningLMKMonroe49 min
Jul 21, 5:00 PM CDTSevere Thunderstorm WarningLMKBoyle, Casey, Lincoln30 min
Jul 21, 6:04 PM CDTSevere Thunderstorm WarningLMKLaurel16 min
Jul 21, 3:12 PM CDTSevere Thunderstorm WarningLMKFloyd33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.