Alert archive / Kentucky / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 607

July 14, 199716 counties in Illinois; 18 counties in Indiana; 32 counties in Kentucky

The Storm Prediction Center issued this severe thunderstorm watch at Jul 14, 1997, 5:30 PM CDT for 16 counties in Illinois; 18 counties in Indiana; 32 counties in Kentucky. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 14, 1997, 5:30 PM CDT (22:30 UTC)
Expired
Jul 14, 1997, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 66 counties

Clay County, IL, Edwards County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Johnson County, IL, Lawrence County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Richland County, IL, Saline County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Clark County, IN, Crawford County, IN, Daviess County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Knox County, IN, Martin County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Scott County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Allen County, KY, Ballard County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 14, 5:34 PM CDTSevere Thunderstorm WarningPAHEdwards, Wayne71 min
Jul 14, 5:46 PM CDTSevere Thunderstorm WarningPAHWabash74 min
Jul 14, 5:53 PM CDTSevere Thunderstorm WarningPAHWilliamson67 min
Jul 14, 6:09 PM CDTSevere Thunderstorm WarningPAHPosey, Vanderburgh66 min
Jul 14, 6:15 PM CDTSevere Thunderstorm WarningPAHSaline75 min
Jul 14, 6:25 PM CDTSevere Thunderstorm WarningPAHPike, Spencer, Warrick65 min
Jul 14, 6:39 PM CDTSevere Thunderstorm WarningPAHJohnson66 min
Jul 14, 6:41 PM CDTSevere Thunderstorm WarningPAHDaviess, Henderson64 min
Jul 14, 6:52 PM CDTSevere Thunderstorm WarningLMKHancock38 min
Jul 14, 6:55 PM CDTSevere Thunderstorm WarningPAHPope65 min
Jul 14, 7:06 PM CDTSevere Thunderstorm WarningPAHMassac, Pulaski69 min
Jul 14, 7:15 PM CDTSevere Thunderstorm WarningPAHUnion, Webster60 min
Jul 14, 7:18 PM CDTSevere Thunderstorm WarningLMKBreckinridge42 min
Jul 14, 7:28 PM CDTSevere Thunderstorm WarningPAHBallard, McCracken77 min
Jul 14, 7:28 PM CDTSevere Thunderstorm WarningPAHLivingston77 min
Jul 14, 7:32 PM CDTSevere Thunderstorm WarningPAHMcLean43 min
Jul 14, 7:34 PM CDTSevere Thunderstorm WarningLMKHardin, Meade46 min
Jul 14, 7:49 PM CDTSevere Thunderstorm WarningLMKButler, Grayson61 min
Jul 14, 7:52 PM CDTSevere Thunderstorm WarningPAHCaldwell, Hopkins, Lyon83 min
Jul 14, 7:52 PM CDTSevere Thunderstorm WarningPAHGraves, Marshall83 min
Jul 14, 7:52 PM CDTSevere Thunderstorm WarningPAHCarlisle83 min
Jul 14, 7:58 PM CDTFlash Flood WarningPAHPope2 hr
Jul 14, 8:04 PM CDTSevere Thunderstorm WarningPAHCalloway, Christian, Trigg86 min
Jul 14, 8:04 PM CDTSevere Thunderstorm WarningPAHHickman86 min
Jul 14, 8:05 PM CDTSevere Thunderstorm WarningLMKEdmonson, Hart, Warren35 min
Jul 14, 8:27 PM CDTSevere Thunderstorm WarningLMKLogan33 min
Jul 14, 8:39 PM CDTSevere Thunderstorm WarningLMKAllen, Barren, Simpson31 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 187 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, Nashville Metro, TN at 12:00Z on 1997-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1301 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1997-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1301 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
684 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

838 
WWUS9 KMKC 142214
SEL7  
MKC WW 142214
ILZ000-INZ000-KYZ000-150400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 607
STORM PREDICTION CENTER NORMAN OK
514 PM CDT MON JUL 14 1997

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHERN ILLINOIS                           
   SOUTHERN INDIANA                            
   WESTERN KENTUCKY                           

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1100
PM CDT.

HAIL TO 2 1/2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 15 MILES WEST OF FORT CAMPBELL
KENTUCKY TO 55 MILES NORTH NORTHEAST OF EVANSVILLE INDIANA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 604...WW 605...WW 606...

DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO PROPAGATE
SOUTHEASTWARD TOWARD THE OHIO RIVER ALONG COLD FRONT/TROUGH LINE. 
AIR MASS OVER THIS REGION IS VERY WARM AND MOIST CONTRIBUTING TO
EXTREMELY UNSTABLE CONDITIONS WITH CAPE ABOVE 5000 J/KG.  DAMAGING
WINDS AND HAIL ARE POSSIBLE WITH STRONGER CELLS THROUGH THE EVENING
HOURS.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 1/2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.  MEAN STORM
MOTION VECTOR 33015.


...WEISS

364,0891 384,0884 384,0853 364,0861

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 1:15 PM CDTSevere Thunderstorm WatchSPCBond, Champaign, Clark, Clay, Coles, Crawford and 14 more6 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 1997Severe Thunderstorm Watches in Indiana, 1997Severe Thunderstorm Watches in Illinois, 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.