Alert archive / Tennessee / Tornado Watches in 1997

Tornado Watch 81

March 1, 199713 counties in Arkansas; 25 counties in Mississippi; 39 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Mar 1, 1997, 9:00 PM CST for 13 counties in Arkansas; 25 counties in Mississippi; 39 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 1997, 9:00 PM CST (03:00 UTC)
Expired
Mar 2, 1997, 3:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 77 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Crittenden County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Lincoln County, AR, Phillips County, AR, Union County, AR, Alcorn County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Humphreys County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Washington County, MS, Yalobusha County, MS, 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, 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, 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, Tipton County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Memphis radar (KNQA), 106 km from the middle of the area, began a volume at 03:01 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

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

IssuedProductOfficeCountiesLasted
Mar 1, 9:05 PM CSTSevere Thunderstorm WarningMEGHaywood45 min
Mar 1, 9:07 PM CSTSevere Thunderstorm WarningLZKArkansas33 min
Mar 1, 9:13 PM CSTFlash Flood WarningOHXMontgomery3 hr
Mar 1, 9:17 PM CSTFlash Flood WarningMEGFayette, Haywood, Shelby, Tipton3 hr
Mar 1, 9:28 PM CSTSevere Thunderstorm WarningMEGPhillips32 min
Mar 1, 9:40 PM CSTSevere Thunderstorm WarningOHXMontgomery35 min
Mar 1, 9:42 PM CSTSevere Thunderstorm WarningOHXBenton33 min
Mar 1, 9:45 PM CSTSevere Thunderstorm WarningOHXHouston, Humphreys45 min
Mar 1, 9:54 PM CSTSevere Thunderstorm WarningOHXCheatham, Dickson, Robertson51 min
Mar 1, 10:03 PM CSTFlash Flood WarningMEGCrittenden4 hr
Mar 1, 10:03 PM CSTFlash Flood WarningMEGTate, Tunica4 hr
Mar 1, 10:09 PM CSTFlash Flood WarningOHXCheatham, Dickson, Robertson4 hr
Mar 1, 10:09 PM CSTFlash Flood WarningOHXBenton, Houston, Humphreys4 hr
Mar 1, 10:09 PM CSTFlash Flood WarningOHXSumner4 hr
Mar 1, 10:12 PM CSTSevere Thunderstorm WarningJANAshley48 min
Mar 1, 10:25 PM CSTFlash Flood WarningLZKArkansas, Monroe3 hr
Mar 1, 10:25 PM CSTFlash Flood WarningLZKCleveland, Jefferson, Lincoln3 hr
Mar 1, 10:29 PM CSTSevere Thunderstorm WarningOHXBenton, Decatur46 min
Mar 1, 10:36 PM CSTFlash Flood WarningMEGChester, Hardeman, Madison4 hr
Mar 1, 10:36 PM CSTFlash Flood WarningMEGCarroll, Henderson4 hr
Mar 1, 10:38 PM CSTSevere Thunderstorm WarningOHXDavidson, Sumner67 min
Mar 1, 10:47 PM CSTSevere Thunderstorm WarningMEGMarshall33 min
Mar 1, 10:52 PM CSTSevere Thunderstorm WarningOHXHumphreys53 min
Mar 1, 11:04 PM CSTTornado WarningOHXDecatur41 min
Mar 1, 11:13 PM CSTSevere Thunderstorm WarningOHXBenton32 min
Mar 1, 11:24 PM CSTSevere Thunderstorm WarningOHXHumphreys, Perry51 min
Mar 1, 11:30 PM CSTSevere Thunderstorm WarningMEGChester, Hardeman35 min
Mar 1, 11:41 PM CSTFlash Flood WarningOHXStewart6 hr
Mar 1, 11:47 PM CSTSevere Thunderstorm WarningOHXDickson, Hickman43 min
Mar 1, 11:57 PM CSTFlash Flood WarningOHXSumner6 hr
Mar 1, 11:57 PM CSTFlash Flood WarningOHXMontgomery6 hr
Mar 2, 12:27 AM CSTFlash Flood WarningMEGFayette2 hr
Mar 2, 12:27 AM CSTSevere Thunderstorm WarningOHXPerry48 min
Mar 2, 12:44 AM CSTFlash Flood WarningOHXDavidson, Wilson6 hr
Mar 2, 12:47 AM CSTFlash Flood WarningLZKDesha3 hr
Mar 2, 12:47 AM CSTFlash Flood WarningLZKBradley, Drew3 hr
Mar 2, 12:56 AM CSTSevere Thunderstorm WarningMEGChester, McNairy34 min
Mar 2, 1:03 AM CSTFlash Flood WarningSHVUnion4 hr
Mar 2, 2:03 AM CSTFlash Flood WarningOHXDecatur4 hr
Mar 2, 2:09 AM CSTFlash Flood WarningOHXBenton, Dickson, Houston, Humphreys, Stewart6 hr
Mar 2, 2:09 AM CSTFlash Flood WarningOHXCheatham, Robertson6 hr
Mar 2, 2:11 AM CSTFlash Flood WarningMEGMcNairy119 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.0 hours before the alert went out and 50 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 1997-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 491 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 1997-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 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
491 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

782 
WWUS9 KMKC 020235
SEL1  
MKC WW 020235
TNZ000-ARZ000-MSZ000-020900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 81
STORM PREDICTION CENTER NORMAN OK
835 PM CST SAT MAR 1 1997

A...THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR

   PARTS OF WESTERN AND MIDDLE TENNESSEE                          
   PARTS OF EASTERN AND SOUTHERN ARKANSAS                         
   PARTS OF WESTERN AND NORTHERN MISSISSIPPI                      
 
EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING UNTIL 300 AM CST.

TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS.


THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES EAST SOUTHEAST OF EL DORADO ARKANSAS TO 35
MILES NORTH OF NASHVILLE TENNESSEE.

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.

B..OTHER WATCH INFORMATION.. THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 76...TORNADO WATCH NUMBER 78...TORNADO WATCH NUMBER
79.  WATCH NUMBER 76...78...79 WILL NOT BE IN EFFECT AFTER 900 PM
CST.
$$

C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 1 3/4
INCHES.  EXTRM TURBC AND SFC WIND GUSTS TO 70 KNOTS.  A FEW CBS
WITH MAX TOPS TO 450.  MEAN WIND VECTOR 24045.

D...VRY STG VERT SHEAR TO CONT DURG THE OVRNGT HRS ALG RAIN-COOLED
BNDRY OVR THE LWR MS/TN VLY.  SFC-BASED CAPE ARND 1000 J/KG... WITH
DWPTS IN THE MID TO UPR 60S...COUPLED WITH MAINLY UNIDIRECTIONAL
SHEAR...SUGS CONTD POTENTIAL FOR BOW ECHOES AND ISOLD TORNADOES.  

E...OTR TSTMS... THIS WATCH REPLACES..WW 76..WW 78..WW 79..
CONT..WW 80..

...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 6:00 PM CSTTornado WatchSPCClark, Clay, Cleburne, Conway, Craighead, Dallas and 27 more3 hr
Mar 2, 1:15 PM CSTTornado WatchSPCAdams, Amite, Attala, Choctaw, Claiborne, Clarke and 36 more6 hr
Mar 2, 4:00 PM CSTTornado WatchSPCAdams, Amite, Attala, Carroll, Chickasaw, Choctaw and 40 more6 hr

Nearby

Tornado Watches in Tennessee, 1997Tornado Watches in Mississippi, 1997Tornado Watches in Arkansas, 1997Every tornado 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; radar from the NEXRAD Level II archive.