Alert archive / Kentucky / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 59

February 21, 199717 counties in Indiana; 21 counties in Kentucky; 13 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at Feb 21, 1997, 9:00 AM EST for 17 counties in Indiana; 21 counties in Kentucky; 13 counties in Ohio. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Feb 21, 1997, 9:00 AM EST (14:00 UTC)
Expired
Feb 21, 1997, 1:00 PM EST
In force
4 hr
Issued by
the Storm Prediction Center
All 51 counties

Clark County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Henry County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bourbon County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Mason County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Greene County, OH, Hamilton County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Warren County, OH

Warnings issued inside it

2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 21, 9:23 AM ESTSevere Thunderstorm WarningILNFayette, Wayne37 min
Feb 21, 9:44 AM ESTSevere Thunderstorm WarningLMKJefferson31 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.0 hours before the alert went out and 118 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, Cncnati-Daytn, OH at 12:00Z on 1997-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 1997-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
306 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 8:30 AM ESTSevere Thunderstorm WatchSPCHarrison5 hr
Feb 21, 11:15 AM ESTSevere Thunderstorm WatchSPCBath, Bell, Breathitt, Clay, Elliott, Estill and 23 more4 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 1997Severe Thunderstorm Watches in Indiana, 1997Severe Thunderstorm Watches in Ohio, 1997Every severe thunderstorm watch in 1997

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.