Alert archive / Tennessee / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 348

May 24, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at May 24, 2000, 11:45 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2000, 11:45 PM CDT (04:45 UTC)
Expired
May 25, 2000, 6:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 81 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Woodruff County, AR, Allen County, KY, Barren County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, Metcalfe County, KY, Monroe County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Butler County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Stoddard County, MO, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer 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, Lake County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Moore County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Shelby County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN

The radar

The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 04:44 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 24, 11:48 PM CDTFlash Flood WarningOHXCheatham, Davidson87 min
May 24, 11:49 PM CDTFlash Flood WarningPAHStoddard4 hr
May 24, 11:54 PM CDTSevere Thunderstorm WarningMEGGreene, Randolph36 min
May 25, 12:00 AM CDTSevere Thunderstorm WarningMEGClay30 min
May 25, 12:00 AM CDTSevere Thunderstorm WarningMEGDunklin, Pemiscot30 min
May 25, 12:05 AM CDTSevere Thunderstorm WarningPAHNew Madrid25 min
May 25, 12:10 AM CDTTornado WarningOHXDavidson, Wilson35 min
May 25, 12:17 AM CDTSevere Thunderstorm WarningMEGCraighead, Mississippi43 min
May 25, 12:18 AM CDTSevere Thunderstorm WarningOHXRutherford, Williamson42 min
May 25, 12:19 AM CDTFlash Flood WarningPAHCalloway, Christian, Trigg4 hr
May 25, 12:25 AM CDTSevere Thunderstorm WarningMEGDunklin, Pemiscot50 min
May 25, 12:27 AM CDTSevere Thunderstorm WarningPAHNew Madrid33 min
May 25, 12:34 AM CDTSevere Thunderstorm WarningMEGLake26 min
May 25, 12:37 AM CDTTornado WarningOHXRutherford38 min
May 25, 12:48 AM CDTSevere Thunderstorm WarningMEGDyer, Obion42 min
May 25, 1:00 AM CDTTornado WarningOHXWilson35 min
May 25, 1:05 AM CDTSevere Thunderstorm WarningMEGGibson, Weakley40 min
May 25, 1:10 AM CDTSevere Thunderstorm WarningMEGCrockett, Lauderdale35 min
May 25, 1:22 AM CDTSevere Thunderstorm WarningOHXDeKalb, Smith38 min
May 25, 1:25 AM CDTSevere Thunderstorm WarningOHXCannon, Rutherford, Williamson35 min
May 25, 1:33 AM CDTSevere Thunderstorm WarningMEGHenry42 min
May 25, 1:44 AM CDTSevere Thunderstorm WarningMEGCarroll, Gibson46 min
May 25, 2:06 AM CDTSevere Thunderstorm WarningMEGHenderson39 min
May 25, 2:10 AM CDTSevere Thunderstorm WarningOHXBenton35 min
May 25, 2:20 AM CDTFlash Flood WarningOHXDavidson4 hr
May 25, 2:36 AM CDTTornado WarningOHXHumphreys39 min
May 25, 2:38 AM CDTSevere Thunderstorm WarningMEGDecatur37 min
May 25, 2:47 AM CDTTornado WarningOHXHickman28 min
May 25, 3:11 AM CDTSevere Thunderstorm WarningOHXCannon, DeKalb34 min
May 25, 3:13 AM CDTTornado WarningOHXMaury42 min
May 25, 4:13 AM CDTSevere Thunderstorm WarningOHXBedford, Coffee42 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.8 hours before the alert went out and 138 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, Little Rock, AR at 00:00Z on 2000-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2916 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, Little Rock, AR at 00:00Z on 2000-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
2916 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1201 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

537 
WWUS9 KMKC 250420
SEL8  
MKC WW 250420
ARZ000-KYZ000-MOZ000-TNZ000-251100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 348
STORM PREDICTION CENTER NORMAN OK
1120 PM CDT WED MAY 24 2000

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

   EASTERN ARKANSAS                           
   WESTERN KENTUCKY                           
   SOUTHEASTERN MISSOURI                           
   WESTERN AND MIDDLE TENNESSEE                          

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1145 PM
UNTIL 600 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 145 STATUTE MILES
EAST AND WEST OF A LINE FROM 40 MILES SOUTH OF JACKSON TENNESSEE TO
35 MILES NORTHWEST OF FORT CAMPBELL KENTUCKY.

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...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 342...SEVERE THUNDERSTORM WATCH NUMBER 344. 
WATCH NUMBER 342...344 WILL NOT BE IN EFFECT AFTER 1145 PM CDT. 
CONTINUE...WW 343...WW 345...WW 346...WW 347...

DISCUSSION...SEVERE THUNDERSTORM CLUSTER CONTINUES MOVING ALONG
BOUNDARY FROM SOUTHWESTERN KY INTO MIDDLE TENNESSEE WITH ANOTHER
LINE OF STRONG STORMS MOVING INTO EASTERN ARKANSAS AND WESTERN
TENNESSEE. AIR MASS OVER REGION REMAINS VERY UNSTABLE WITH 3000 TO
4000 J/KG MUCAPES. 

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 29035.

...ROGASH

370,0851 345,0862 345,0912 370,0903

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 9:15 PM CDTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 32 more6 hr
May 24, 7:30 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bollinger, Butler, Cape Girardeau, Carter and 39 more7 hr
May 25, 3:15 AM CDTSevere Thunderstorm WatchSPCBedford, Bledsoe, Blount, Bradley, Cannon, Cocke and 31 more6 hr
May 25, 12:45 PM CDTSevere Thunderstorm WatchSPCPolk6 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Kentucky, 2000Severe Thunderstorm Watches in Arkansas, 2000Every severe thunderstorm 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; radar from the NEXRAD Level II archive.