Alert archive / Arkansas / Tornado Watches in 1997

Tornado Watch 75

March 1, 199742 counties in Arkansas; McCurtain County, Oklahoma; 19 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 1, 1997, 12:00 PM CST for 42 counties in Arkansas; McCurtain County, Oklahoma; 19 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 1, 1997, 12:00 PM CST (18:00 UTC)
Expired
Mar 1, 1997, 6:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 62 counties

Baxter County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Marion County, AR, Miller County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Yell County, AR, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Dallas County, TX, Delta County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 1, 12:04 PM CSTSevere Thunderstorm WarningLZKJohnson46 min
Mar 1, 12:16 PM CSTSevere Thunderstorm WarningLZKNewton49 min
Mar 1, 12:42 PM CSTTornado WarningLZKJohnson48 min
Mar 1, 12:53 PM CSTTornado WarningLZKNewton62 min
Mar 1, 1:00 PM CSTSevere Thunderstorm WarningSHVMcCurtain30 min
Mar 1, 1:09 PM CSTSevere Thunderstorm WarningLZKMarion46 min
Mar 1, 1:36 PM CSTSevere Thunderstorm WarningLZKSaline49 min
Mar 1, 1:37 PM CSTSevere Thunderstorm WarningSHVHempstead53 min
Mar 1, 1:44 PM CSTSevere Thunderstorm WarningLZKMarion, Searcy51 min
Mar 1, 1:44 PM CSTTornado WarningSHVHempstead31 min
Mar 1, 1:56 PM CSTSevere Thunderstorm WarningLZKClark, Pike64 min
Mar 1, 1:56 PM CSTSevere Thunderstorm WarningSHVRed River34 min
Mar 1, 1:58 PM CSTSevere Thunderstorm WarningLZKBaxter52 min
Mar 1, 1:58 PM CSTSevere Thunderstorm WarningMEGClay32 min
Mar 1, 2:04 PM CSTTornado WarningLZKBaxter51 min
Mar 1, 2:09 PM CSTSevere Thunderstorm WarningLZKFranklin, Johnson51 min
Mar 1, 2:14 PM CSTTornado WarningLZKClark66 min
Mar 1, 2:16 PM CSTSevere Thunderstorm WarningSHVNevada29 min
Mar 1, 2:21 PM CSTTornado WarningSHVNevada24 min
Mar 1, 2:22 PM CSTTornado WarningLZKFulton48 min
Mar 1, 2:29 PM CSTSevere Thunderstorm WarningLZKLogan51 min
Mar 1, 2:36 PM CSTTornado WarningLZKFaulkner, Lonoke, Pulaski, White49 min
Mar 1, 2:42 PM CSTTornado WarningLZKHot Spring48 min
Mar 1, 2:47 PM CSTTornado WarningLZKJohnson, Newton48 min
Mar 1, 2:58 PM CSTTornado WarningLZKNewton, Pope, Searcy47 min
Mar 1, 3:02 PM CSTTornado WarningLZKLogan, Yell48 min
Mar 1, 3:05 PM CSTTornado WarningLZKSaline65 min
Mar 1, 3:16 PM CSTTornado WarningLZKIndependence, Jackson64 min
Mar 1, 3:31 PM CSTTornado WarningLZKPulaski49 min
Mar 1, 3:35 PM CSTTornado WarningLZKBaxter, Marion50 min
Mar 1, 3:38 PM CSTTornado WarningLZKConway, Pope, Van Buren62 min
Mar 1, 3:54 PM CSTTornado WarningLZKLonoke61 min
Mar 1, 3:59 PM CSTTornado WarningMEGLawrence46 min
Mar 1, 4:17 PM CSTSevere Thunderstorm WarningLZKMontgomery33 min
Mar 1, 4:19 PM CSTTornado WarningLZKStone66 min
Mar 1, 4:24 PM CSTTornado WarningLZKWhite66 min
Mar 1, 4:38 PM CSTTornado WarningMEGGreene32 min
Mar 1, 4:41 PM CSTTornado WarningLZKIzard64 min
Mar 1, 4:54 PM CSTTornado WarningLZKIndependence36 min
Mar 1, 5:03 PM CSTSevere Thunderstorm WarningLZKConway47 min
Mar 1, 5:07 PM CSTTornado WarningLZKSharp48 min
Mar 1, 5:11 PM CSTTornado WarningLZKJackson19 min
Mar 1, 5:11 PM CSTTornado WarningMEGClay49 min
Mar 1, 5:49 PM CSTTornado WarningMEGCraighead46 min

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 6.0 hours before the alert went out and 186 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, Shreveport, LA at 12:00Z on 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1665 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, Shreveport, LA at 12:00Z on 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 322 square meters per square second.1939587897Sfc1 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
1665 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
322 m²/s²
0-3 km storm-relative helicity
390 m²/s²
Significant tornado parameter
2.9
Supercell composite
12.9

Open this sounding in Storm Lab

The text

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

525 
WWUS9 KMKC 011734
SEL5  
MKC WW 011734
TXZ000-OKZ000-ARZ000-020000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 75
STORM PREDICTION CENTER NORMAN OK
1134 AM CST SAT MAR 1 1997

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

   PARTS OF NORTHEASTERN TEXAS                              
   PARTS OF SOUTHEASTERN OKLAHOMA                           
   MUCH OF CENTRAL AND WESTERN ARKANSAS                           

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING UNTIL 600 PM CST.

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


THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 60 MILES EAST SOUTHEAST OF DALLAS TEXAS TO 30 MILES
NORTHWEST OF WALNUT RIDGE ARKANSAS.

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...THUNDERSTORMS INTENSIFYING ALONG/JUST AHEAD OF SURFACE BOUNDARY
MOVING INTO UNSEASONABLY WARM MOIST AIR MASS. CAPES FROM 1500 TO
2500...COMBINED WITH 40 TO 50 KT LOW LEVEL JET...INDICATES
COMBINATION OF SHEAR AND INSTABILITY FAVORABLE FOR SUPERCELLS.

E...OTR TSTMS... 

...ROGASH

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 2:30 PM CSTTornado WatchSPCCraighead, Crittenden, Cross, Lee, Lonoke, Mississippi and 6 more7 hr
Mar 1, 5:00 PM CSTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 9 more4 hr

Nearby

Tornado Watches in Arkansas, 1997Tornado Watches in Texas, 1997Tornado Watches in Oklahoma, 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.