Alert archive / Tennessee / Tornado Watches in 1997

Tornado Watch 76

March 1, 19976 states

The Storm Prediction Center issued this tornado watch at Mar 1, 1997, 2:30 PM CST for 6 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 1997, 2:30 PM CST (20:30 UTC)
Expired
Mar 1, 1997, 9:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 87 counties

Craighead County, AR, Crittenden County, AR, Cross County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, Woodruff County, AR, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Allen County, KY, Ballard County, KY, Barren County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, DeSoto County, MS, Marshall County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Union County, MS, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dickson County, TN, Dyer 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, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Shelby County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 41 km from the middle of the area, began a volume at 20:34 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

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

IssuedProductOfficeCountiesLasted
Mar 1, 2:36 PM CSTTornado WarningLZKFaulkner, Lonoke, Pulaski, White49 min
Mar 1, 2:46 PM CSTFlash Flood WarningPAHHardin, Massac, Pope3 hr
Mar 1, 3:51 PM CSTSevere Thunderstorm WarningMEGHaywood34 min
Mar 1, 3:54 PM CSTTornado WarningLZKLonoke61 min
Mar 1, 3:54 PM CSTSevere Thunderstorm WarningPAHMississippi, Scott36 min
Mar 1, 3:55 PM CSTSevere Thunderstorm WarningMEGCrockett35 min
Mar 1, 4:15 PM CSTTornado WarningMEGCrockett, Gibson35 min
Mar 1, 4:44 PM CSTFlash Flood WarningPAHMississippi, New Madrid4 hr
Mar 1, 4:46 PM CSTFlash Flood WarningLMKButler, Edmonson, Grayson, Hardin3 hr
Mar 1, 4:46 PM CSTFlash Flood WarningLMKAllen, Barren3 hr
Mar 1, 4:46 PM CSTFlash Flood WarningLMKGreen3 hr
Mar 1, 4:50 PM CSTTornado WarningLZKWoodruff50 min
Mar 1, 4:51 PM CSTFlash Flood WarningLMKLogan3 hr
Mar 1, 4:51 PM CSTFlash Flood WarningLMKHart3 hr
Mar 1, 4:53 PM CSTFlash Flood WarningLMKSimpson3 hr
Mar 1, 4:53 PM CSTFlash Flood WarningLMKOhio3 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHCaldwell, Christian, Hopkins, McLean, Muhlenberg, Webster4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHFulton, Hickman4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHCrittenden, Union4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHCalloway, Graves, Marshall, Trigg4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHLivingston, Lyon4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHBallard, Carlisle, McCracken4 hr
Mar 1, 4:55 PM CSTFlash Flood WarningPAHTodd4 hr
Mar 1, 4:57 PM CSTFlash Flood WarningLMKWarren3 hr
Mar 1, 5:13 PM CSTFlash Flood WarningPAHAlexander, Johnson, Massac, Pulaski, Union4 hr
Mar 1, 5:13 PM CSTFlash Flood WarningPAHHardin, Pope4 hr
Mar 1, 5:19 PM CSTTornado WarningMEGCross, Poinsett46 min
Mar 1, 5:24 PM CSTTornado WarningPAHNew Madrid36 min
Mar 1, 5:49 PM CSTTornado WarningMEGCraighead46 min
Mar 1, 5:52 PM CSTSevere Thunderstorm WarningPAHJohnson, Massac, Pulaski28 min
Mar 1, 5:56 PM CSTTornado WarningPAHMississippi, New Madrid49 min
Mar 1, 6:11 PM CSTTornado WarningMEGMississippi49 min
Mar 1, 6:24 PM CSTTornado WarningPAHCarlisle36 min
Mar 1, 6:39 PM CSTSevere Thunderstorm WarningLZKWoodruff51 min
Mar 1, 6:44 PM CSTFlash Flood WarningMEGDunklin, Pemiscot3 hr
Mar 1, 6:46 PM CSTSevere Thunderstorm WarningMEGPemiscot34 min
Mar 1, 7:01 PM CSTSevere Thunderstorm WarningMEGDyer44 min
Mar 1, 7:08 PM CSTTornado WarningPAHLivingston, McCracken, Marshall37 min
Mar 1, 7:10 PM CSTTornado WarningMEGDyer35 min
Mar 1, 7:23 PM CSTFlash Flood WarningLZKJackson, White, Woodruff3 hr
Mar 1, 7:24 PM CSTFlash Flood WarningMEGMississippi4 hr
Mar 1, 7:26 PM CSTTornado WarningPAHLyon34 min
Mar 1, 7:26 PM CSTTornado WarningMEGGibson34 min
Mar 1, 7:39 PM CSTTornado WarningPAHCaldwell36 min
Mar 1, 7:40 PM CSTFlash Flood WarningLZKArkansas, Jefferson, Lonoke3 hr
Mar 1, 7:40 PM CSTFlash Flood WarningLZKMonroe, Prairie3 hr
Mar 1, 7:40 PM CSTSevere Thunderstorm WarningMEGWeakley35 min
Mar 1, 7:42 PM CSTFlash Flood WarningMEGCross, Poinsett4 hr
Mar 1, 7:48 PM CSTFlash Flood WarningMEGCraighead4 hr
Mar 1, 7:51 PM CSTFlash Flood WarningLMKGrayson, Ohio3 hr
Mar 1, 8:04 PM CSTTornado WarningMEGHenry, Weakley51 min
Mar 1, 8:16 PM CSTFlash Flood WarningMEGDyer, Gibson, Obion, Weakley5 hr
Mar 1, 8:19 PM CSTSevere Thunderstorm WarningPAHCalloway26 min
Mar 1, 8:41 PM CSTSevere Thunderstorm WarningMEGShelby34 min
Mar 1, 8:48 PM CSTSevere Thunderstorm WarningMEGTipton32 min
Mar 1, 8:49 PM CSTFlash Flood WarningOHXStewart3 hr
Mar 1, 8:53 PM CSTTornado WarningOHXStewart52 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.5 hours before the alert went out and 94 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 12:00Z on 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1288 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 12:00Z on 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
1288 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
1.9
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

370 
WWUS9 KMKC 012003
SEL6  
MKC WW 012003
MOZ000-ARZ000-KYZ000-TNZ000-MSZ000-020300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 76
STORM PREDICTION CENTER NORMAN OK
203 PM CST SAT MAR 1 1997

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

   PARTS OF SOUTHEASTERN MISSOURI                           
   PARTS OF NORTHEASTERN ARKANSAS                           
   PARTS OF WESTERN KENTUCKY                           
   PARTS OF WESTERN AND MIDDLE TENNESSEE                          
   PARTS OF NORTHERN MISSISSIPPI                        

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING UNTIL 900 PM CST.

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


THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES WEST OF OXFORD MISSISSIPPI TO 50 MILES
NORTHWEST 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.
$$

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...CLUSTER OF THUNDERSTORMS INCREASING WITHIN MOIST UNSTABLE AIR
MASS WHERE CAPES 1500 TO 2500 J/KG. 50 KT LOW LEVEL JET COMBINED
WITH MID LEVEL FLOW INCREASING TO NEAR 80 KTS WILL RESULT IN
SUFFICIENT SHEAR FOR TORNADIC SUPERCELLS.

E...OTR TSTMS...  CONT..WW 75..

...ROGASH

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 12:00 PM CSTTornado WatchSPCBaxter, Clark, Clay, Cleburne, Conway, Craighead and 36 more6 hr
Mar 1, 5:00 PM CSTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 9 more4 hr
Mar 1, 1:00 AM CSTTornado WatchSPCAllen, Barren, Caldwell, Calloway, Christian, Graves and 9 more5 hr
Mar 1, 3:30 PM CSTSevere Thunderstorm WatchSPCFloyd, Knott, Martin, Perry, Pike4 hr

Nearby

Tornado Watches in Tennessee, 1997Tornado Watches in Kentucky, 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.