Alert archive / Tennessee / Tornado Watches in 2000

Tornado Watch 378

May 27, 200028 counties in Kentucky; 42 counties in Tennessee

The Storm Prediction Center issued this tornado watch at May 27, 2000, 2:30 PM CDT for 28 counties in Kentucky; 42 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 27, 2000, 2:30 PM CDT (19:30 UTC)
Expired
May 27, 2000, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 70 counties

Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Calloway County, KY, Casey County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Hopkins County, KY, Lincoln County, KY, Logan County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Bedford County, TN, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Gibson County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Shelby County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 27, 2:33 PM CDTFlash Flood WarningPAHCalloway, Trigg117 min
May 27, 2:33 PM CDTSevere Thunderstorm WarningOHXBenton, Houston, Humphreys, Stewart42 min
May 27, 2:48 PM CDTTornado WarningOHXHouston, Montgomery, Stewart42 min
May 27, 3:00 PM CDTSevere Thunderstorm WarningOHXDickson45 min
May 27, 3:05 PM CDTTornado WarningOHXMontgomery40 min
May 27, 3:11 PM CDTSevere Thunderstorm WarningPAHChristian, Todd49 min
May 27, 3:20 PM CDTTornado WarningOHXRobertson40 min
May 27, 3:26 PM CDTFlash Flood WarningPAHChristian, Todd2 hr
May 27, 3:30 PM CDTTornado WarningOHXCheatham15 min
May 27, 3:32 PM CDTSevere Thunderstorm WarningLMKLogan, Simpson28 min
May 27, 3:38 PM CDTSevere Thunderstorm WarningOHXDavidson37 min
May 27, 3:55 PM CDTSevere Thunderstorm WarningOHXSumner35 min
May 27, 4:04 PM CDTSevere Thunderstorm WarningOHXMacon, Trousdale, Wilson41 min
May 27, 4:27 PM CDTSevere Thunderstorm WarningOHXSmith33 min
May 27, 4:37 PM CDTSevere Thunderstorm WarningOHXClay, Jackson43 min
May 27, 4:42 PM CDTSevere Thunderstorm WarningLMKMonroe48 min
May 27, 5:07 PM CDTTornado WarningLMKMonroe23 min
May 27, 5:10 PM CDTTornado WarningOHXJackson, Overton35 min
May 27, 5:11 PM CDTSevere Thunderstorm WarningLMKClinton, Cumberland49 min
May 27, 5:19 PM CDTSevere Thunderstorm WarningOHXGiles, Lawrence41 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.5 hours before the alert went out and 109 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 2000-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1998 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, Nashville Metro, TN at 12:00Z on 2000-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.19395878Sfc1 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
1998 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
2.2
Supercell composite
12.0

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 271852
MKC WW 271852
KYZ000-TNZ000-280100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 378
STORM PREDICTION CENTER NORMAN OK
152 PM CDT SAT MAY 27 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   SOUTH CENTRAL KENTUCKY                           
   WESTERN AND MIDDLE TENNESSEE                          

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 800
PM CDT.

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

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES SOUTH SOUTHEAST OF JACKSON TENNESSEE TO 50
MILES NORTHEAST OF BOWLING GREEN KENTUCKY.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 375.  WATCH NUMBER 375 WILL NOT BE IN
EFFECT AFTER 230 PM CDT.  CONTINUE...WW 376...WW 377...

DISCUSSION...SQUALL LINE WITH EMBEDDED LEWPS IS EXPECTED TO
INTENSIFY WITH STRONG HEATING DOWNSTREAM. WIND DAMAGE AND HAIL ARE
THE MAIN THREATS...BUT ISOLATED TORNADOES ARE POSSIBLE WITH
EMBEDDED MESOCYCLONES.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 26040.


...VESCIO

;372,0840 345,0870 345,0901 372,0872;*

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 7:45 PM CDTSevere Thunderstorm WatchSPCAdair, Allen, Barren, Bell, Clay, Clinton and 13 more5 hr
May 27, 12:00 AM CDTSevere Thunderstorm WatchSPCHenderson, Union, Webster6 hr
May 27, 10:45 AM CDTSevere Thunderstorm WatchSPCCalloway, Carlisle, Fulton, Graves, Hickman, McCracken and 1 more5 hr
May 27, 5:00 PM CDTSevere Thunderstorm WatchSPCBell, Breathitt, Clay, Clinton, Estill, Floyd and 20 more6 hr

Nearby

Tornado Watches in Tennessee, 2000Tornado Watches in Kentucky, 2000Every tornado watch in 2000

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.