Alert archive / Arkansas / Tornado Watches in 1997

Tornado Watch 330

May 26, 19974 states

The Storm Prediction Center issued this tornado watch at May 26, 1997, 9:00 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 26, 1997, 9:00 PM CDT (02:00 UTC)
Expired
May 27, 1997, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 52 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Mississippi County, AR, Newton County, AR, Poinsett County, AR, Pope County, AR, Randolph County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Barry County, MO, Butler County, MO, Christian County, MO, Douglas County, MO, Dunklin County, MO, Howell County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Ripley County, MO, Stone County, MO, Taney County, MO, DeSoto County, MS, Shelby County, TN

The radar

The Springfield radar (KSGF), 129 km from the middle of the area, began a volume at 02:03 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

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

IssuedProductOfficeCountiesLasted
May 26, 9:02 PM CDTSevere Thunderstorm WarningSGFHowell63 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningLZKFulton46 min
May 26, 9:09 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas61 min
May 26, 9:14 PM CDTSevere Thunderstorm WarningSGFOregon66 min
May 26, 9:37 PM CDTTornado WarningSGFNewton48 min
May 26, 9:43 PM CDTSevere Thunderstorm WarningLZKSharp62 min
May 26, 9:45 PM CDTSevere Thunderstorm WarningTSACrawford, Washington60 min
May 26, 9:51 PM CDTSevere Thunderstorm WarningLZKFulton34 min
May 26, 10:01 PM CDTSevere Thunderstorm WarningSGFMcDonald64 min
May 26, 10:08 PM CDTSevere Thunderstorm WarningSGFHowell62 min
May 26, 10:10 PM CDTSevere Thunderstorm WarningMEGRandolph50 min
May 26, 10:11 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence64 min
May 26, 10:27 PM CDTSevere Thunderstorm WarningLZKMarion48 min
May 26, 10:31 PM CDTSevere Thunderstorm WarningMEGLawrence49 min
May 26, 10:33 PM CDTFlash Flood WarningSGFJasper, McDonald, Newton6 hr
May 26, 10:37 PM CDTSevere Thunderstorm WarningTSACrawford53 min
May 26, 10:37 PM CDTSevere Thunderstorm WarningTSAWashington53 min
May 26, 10:37 PM CDTSevere Thunderstorm WarningSGFDouglas, Ozark63 min
May 26, 10:43 PM CDTFlash Flood WarningSGFHowell, Oregon6 hr
May 26, 10:46 PM CDTSevere Thunderstorm WarningTSACarroll, Madison59 min
May 26, 10:46 PM CDTTornado WarningSGFBarry34 min
May 26, 11:01 PM CDTSevere Thunderstorm WarningMEGRandolph34 min
May 26, 11:12 PM CDTTornado WarningSGFStone48 min
May 26, 11:16 PM CDTSevere Thunderstorm WarningMEGLawrence49 min
May 26, 11:21 PM CDTTornado WarningMEGLawrence34 min
May 26, 11:35 PM CDTSevere Thunderstorm WarningLZKNewton65 min
May 26, 11:44 PM CDTSevere Thunderstorm WarningLZKBaxter, Marion46 min
May 26, 11:48 PM CDTSevere Thunderstorm WarningMEGGreene47 min
May 26, 11:56 PM CDTSevere Thunderstorm WarningLZKBoone34 min
May 26, 11:57 PM CDTTornado WarningMEGCraighead48 min
May 27, 12:03 AM CDTTornado WarningLZKBaxter32 min
May 27, 12:07 AM CDTFlash Flood WarningSGFOzark5 hr
May 27, 12:13 AM CDTSevere Thunderstorm WarningLZKFulton62 min
May 27, 12:15 AM CDTSevere Thunderstorm WarningLZKSearcy50 min
May 27, 12:28 AM CDTSevere Thunderstorm WarningLZKSharp47 min
May 27, 12:33 AM CDTSevere Thunderstorm WarningLZKMarion32 min
May 27, 12:35 AM CDTSevere Thunderstorm WarningLZKIzard50 min
May 27, 12:39 AM CDTFlash Flood WarningLZKFulton, Sharp3 hr
May 27, 12:39 AM CDTFlash Flood WarningLZKBaxter3 hr
May 27, 12:42 AM CDTSevere Thunderstorm WarningLZKStone, Van Buren63 min
May 27, 12:46 AM CDTSevere Thunderstorm WarningLZKBaxter49 min
May 27, 12:53 AM CDTSevere Thunderstorm WarningLZKSharp32 min
May 27, 1:05 AM CDTSevere Thunderstorm WarningLZKCleburne50 min
May 27, 1:06 AM CDTSevere Thunderstorm WarningMEGLawrence34 min
May 27, 1:12 AM CDTSevere Thunderstorm WarningMEGCraighead48 min
May 27, 1:14 AM CDTSevere Thunderstorm WarningLZKIndependence61 min
May 27, 1:40 AM CDTSevere Thunderstorm WarningLZKJackson65 min
May 27, 1:40 AM CDTTornado WarningMEGCraighead30 min
May 27, 1:53 AM CDTSevere Thunderstorm WarningLZKFaulkner, White62 min
May 27, 1:53 AM CDTSevere Thunderstorm WarningLZKConway62 min
May 27, 2:11 AM CDTSevere Thunderstorm WarningLZKWoodruff64 min
May 27, 2:11 AM CDTSevere Thunderstorm WarningMEGPoinsett49 min
May 27, 2:39 AM CDTTornado WarningMEGCross, Poinsett31 min
May 27, 2:48 AM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, White62 min

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 125 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, Springfield, MO at 00:00Z on 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2590 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, Springfield, MO at 00:00Z on 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 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
2590 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
2.1
Supercell composite
17.2

Open this sounding in Storm Lab

The text

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

890 
WWUS9 KMKC 270128
SEL0  
MKC WW 270128
MOZ000-ARZ000-270800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 330
STORM PREDICTION CENTER NORMAN OK
828 PM CDT MON MAY 26 1997

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

   SOUTHERN MISSOURI                           
   NORTHERN ARKANSAS                           

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 900 PM UNTIL
300 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 25 MILES WEST NORTHWEST OF FAYETTEVILLE
ARKANSAS TO 45 MILES EAST OF JONESBORO 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.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 325.  WATCH NUMBER 325 WILL NOT BE IN EFFECT AFTER 900 PM
CDT.  CONTINUE...WW 326...WW 327...WW 328...WW 329...

DISCUSSION...STRONG TO SEVERE THUNDERSTORMS CONTINUE TO PROPAGATE
EASTWARD ACROSS SOUTHERN MISSOURI...WITH ACTIVITY IN SOUTHEAST
MISSOURI EXPECTED TO TURN SOUTHEASTWARD INTO NORTHEAST ARKANSAS
ALONG OLD OUTFLOW BOUNDARY.  OTHER SEVERE STORMS OVER NORTHEAST
OKLAHOMA WILL MOVE INTO NORTHWEST ARKANSAS DURING THE NEXT SEVERAL
HOURS.  00Z SOUNDING AT LZK INDICATES STRONG INSTABILITY AND
FAVORABLE VERTICAL SHEAR PROFILE TO SUPPORT CONTINUED THREAT FOR
SEVERE THUNDERSTORMS AND POSSIBLE SUPERCELLS INTO THE EARLY MORNING
HOURS.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 580. 
MEAN STORM MOTION VECTOR 26030.


...WEISS

370,0943 365,0895 344,0895 350,0943

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
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, 2:45 AM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 37 more5 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

Nearby

Tornado Watches in Arkansas, 1997Tornado Watches in Missouri, 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.