Alert archive / Arkansas / Tornado Watches in 1997

Tornado Watch 237

May 2, 199758 counties in Arkansas

The Storm Prediction Center issued this tornado watch at May 2, 1997, 5:15 PM CDT for 58 counties in Arkansas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 2, 1997, 5:15 PM CDT (22:15 UTC)
Expired
May 2, 1997, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 58 counties

Arkansas County, AR, Baxter County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Cross County, AR, Dallas County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Johnson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Monroe County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Poinsett County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier 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, Yell County, AR

The radar

The Little Rock radar (KLZK), 64 km from the middle of the area, began a volume at 22:15 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

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

IssuedProductOfficeCountiesLasted
May 2, 5:22 PM CDTTornado WarningLZKFranklin48 min
May 2, 5:27 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Van Buren48 min
May 2, 5:27 PM CDTSevere Thunderstorm WarningLZKPerry48 min
May 2, 5:36 PM CDTTornado WarningLZKLogan49 min
May 2, 5:46 PM CDTTornado WarningLZKJohnson49 min
May 2, 6:00 PM CDTSevere Thunderstorm WarningLZKCleburne, White50 min
May 2, 6:17 PM CDTTornado WarningLZKPope33 min
May 2, 6:37 PM CDTSevere Thunderstorm WarningLZKVan Buren33 min
May 2, 6:42 PM CDTSevere Thunderstorm WarningLZKWhite48 min
May 2, 6:52 PM CDTSevere Thunderstorm WarningLZKPulaski33 min
May 2, 7:03 PM CDTSevere Thunderstorm WarningLZKLonoke32 min
May 2, 7:11 PM CDTSevere Thunderstorm WarningLZKConway34 min
May 2, 7:13 PM CDTSevere Thunderstorm WarningLZKFulton32 min
May 2, 7:24 PM CDTSevere Thunderstorm WarningLZKFaulkner36 min
May 2, 7:30 PM CDTSevere Thunderstorm WarningLZKPrairie50 min

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.3 hours before the alert went out and 235 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 12:00Z on 1997-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1997-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

027 
WWUS9 KMKC 022255
SEL7  
MKC WW 022255
ARZ000-030400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 237
STORM PREDICTION CENTER NORMAN OK
555 PM CDT FRI MAY 2 1997

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR 

   MUCH OF ARKANSAS                           

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 515 PM UNTIL 1100
PM CDT.

TORNADOES...HAIL TO 2 3/4 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 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 45 MILES SOUTH SOUTHEAST OF HOT SPRINGS ARKANSAS TO
50 MILES EAST NORTHEAST OF HARRISON ARKANSAS.

OTHER WATCH INFORMATION...  CONTINUE...WW 232...WW 233...WW
234...WW 235...WW 236...

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.

DISCUSSION...STORMS ARE INCREASING AHEAD OF PRE-FRONTAL TROUGH.
AIRMASS HAS RECOVERED CONSIDERABLY DURING THE DAY WITH CAPES OF
2000 TO 3000 J/KG. TORNADO THREAT IS EXPECTED TO INCREASE THIS
EVENING AS STRONG MID LEVEL TROUGH MOVES ACROSS WARM SECTOR...
STRENGTHENING DEEP LAYER SHEAR PROFILE.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 3/4 INCHES.  EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550.  MEAN STORM MOTION VECTOR 26035.


...VESCIO

335,0943 362,0940 362,0902 335,0905

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 1:30 PM CDTTornado WatchSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 4 more6 hr
May 2, 4:30 PM CDTTornado WatchSPCAshley, Bradley, Calhoun, Chicot, Columbia, Desha and 7 more7 hr

Nearby

Tornado 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.