Alert archive / Arkansas / Tornado Watches in 1997

Tornado Watch 334

May 27, 19974 states

The Storm Prediction Center issued this tornado watch at May 27, 1997, 2:45 AM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 27, 1997, 2:45 AM CDT (07:45 UTC)
Expired
May 27, 1997, 8:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 67 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hempstead County, AR, Hot Spring County, AR, Independence County, AR, Jackson County, AR, Jefferson County, AR, Lafayette County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Miller County, AR, Mississippi County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, St. Francis County, AR, Union County, AR, White County, AR, Woodruff County, AR, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Benton County, TN, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Lauderdale County, TN, Madison County, TN, Shelby County, TN, Tipton County, TN, Cass County, TX

The radar

The Little Rock radar (KLZK), 65 km from the middle of the area, began a volume at 07:48 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

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

IssuedProductOfficeCountiesLasted
May 27, 2:48 AM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, White62 min
May 27, 2:50 AM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Little River, Sevier55 min
May 27, 2:55 AM CDTSevere Thunderstorm WarningLZKPrairie65 min
May 27, 2:58 AM CDTSevere Thunderstorm WarningLZKJefferson62 min
May 27, 3:02 AM CDTSevere Thunderstorm WarningSHVMiller58 min
May 27, 3:06 AM CDTTornado WarningMEGCrittenden49 min
May 27, 3:10 AM CDTSevere Thunderstorm WarningLZKMonroe65 min
May 27, 3:12 AM CDTTornado WarningMEGMississippi, Poinsett48 min
May 27, 3:17 AM CDTSevere Thunderstorm WarningLZKCleveland63 min
May 27, 3:24 AM CDTTornado WarningMEGTipton31 min
May 27, 3:35 AM CDTSevere Thunderstorm WarningLZKArkansas65 min
May 27, 3:37 AM CDTSevere Thunderstorm WarningMEGShelby48 min
May 27, 3:44 AM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette61 min
May 27, 3:56 AM CDTSevere Thunderstorm WarningLZKOuachita64 min
May 27, 4:00 AM CDTSevere Thunderstorm WarningLZKLincoln65 min
May 27, 4:12 AM CDTSevere Thunderstorm WarningMEGFayette33 min
May 27, 4:24 AM CDTSevere Thunderstorm WarningLZKDesha61 min
May 27, 4:31 AM CDTSevere Thunderstorm WarningLZKCalhoun64 min
May 27, 4:44 AM CDTSevere Thunderstorm WarningMEGHardeman46 min
May 27, 4:47 AM CDTSevere Thunderstorm WarningJANBolivar58 min
May 27, 4:57 AM CDTSevere Thunderstorm WarningLZKBradley63 min
May 27, 5:21 AM CDTSevere Thunderstorm WarningMEGTallahatchie49 min
May 27, 5:26 AM CDTSevere Thunderstorm WarningLZKDrew64 min
May 27, 5:28 AM CDTSevere Thunderstorm WarningJANAshley62 min
May 27, 5:49 AM CDTSevere Thunderstorm WarningJANSunflower41 min
May 27, 6:03 AM CDTSevere Thunderstorm WarningJANChicot42 min
May 27, 6:21 AM CDTSevere Thunderstorm WarningJANBolivar, Washington69 min
May 27, 6:47 AM CDTSevere Thunderstorm WarningJANSunflower43 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 7.8 hours before the alert went out and 195 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 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4008 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 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
4008 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

608 
WWUS9 KMKC 270712
SEL4  
MKC WW 270712
ARZ000-MSZ000-TNZ000-271300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 334
STORM PREDICTION CENTER NORMAN OK
212 AM CDT TUE MAY 27 1997

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

   CENTRAL AND EASTERN ARKANSAS                           
   NORTHWEST MISSISSIPPI                        
   WESTERN TENNESSEE                          

EFFECTIVE THIS TUESDAY MORNING FROM 245 AM UNTIL 800 AM CDT.

TORNADOES...HAIL TO 2 1/2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 85 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES EAST AND WEST
OF A LINE FROM 10 MILES SOUTH OF EL DORADO ARKANSAS TO 25 MILES
WEST NORTHWEST OF DYERSBURG 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.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 330...TORNADO WATCH NUMBER 332.  WATCH NUMBER 330...332 WILL
NOT BE IN EFFECT AFTER 245 AM CDT.  CONTINUE...WW 331...WW 333...

DISCUSSION...WELL ORGANIZED CONVECTIVE SYSTEM IS ACCELERATING
EASTWARD ACROSS ARKANSAS. SEVERAL EMBEDDED BOWS AND MESOSCALE
CIRCULATIONS INDICATE A THREAT FOR DAMAGING WINDS AND ISOLD
TORNADOES. RECENT VILS FROM AREA WSR-88DS ALSO SUGGEST A THREAT
FOR LARGE HAIL.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 1/2 INCHES.  EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 75 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500.  MEAN STORM MOTION VECTOR 26040.


...VESCIO

330,0943 360,0914 360,0875 330,0910

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 9:00 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 31 more6 hr
May 27, 12:15 AM CDTTornado WatchSPCBradley, Calhoun, Clark, Cleveland, Dallas, Garland and 18 more5 hr
May 27, 1:45 AM CDTSevere Thunderstorm WatchSPCLittle River5 hr
May 27, 3:45 PM CDTTornado WatchSPCArkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 40 more6 hr
May 26, 10:15 PM CDTSevere Thunderstorm WatchSPCAlcorn, Benton, Calhoun, Chickasaw, Choctaw, Clay and 16 more5 hr
May 27, 4:45 AM CDTSevere Thunderstorm WatchSPCAlcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 23 more4 hr
May 26, 8:00 PM CDTTornado WatchSPCBedford, Benton, Cannon, Carroll, Chester, Coffee and 27 more5 hr
May 26, 8:45 PM CDTTornado WatchSPCCollin, Cooke, Dallas, Delta, Denton, Fannin and 13 more5 hr
May 27, 1:15 PM CDTTornado WatchSPCAnderson, Angelina, Bell, Brazos, Camp, Cherokee and 33 more6 hr
May 27, 3:45 PM CDTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Brazos and 31 more6 hr

Nearby

Tornado Watches in Arkansas, 1997Tornado Watches in Tennessee, 1997Tornado Watches in Mississippi, 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.