Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 459

June 16, 19975 counties in Arkansas; 7 parishes in Louisiana; 47 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 16, 1997, 11:30 PM CDT for 5 counties in Arkansas; 7 parishes in Louisiana; 47 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 16, 1997, 11:30 PM CDT (04:30 UTC)
Expired
Jun 17, 1997, 6:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 59 counties

Bradley County, AR, Columbia County, AR, Lafayette County, AR, Miller County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Red River Parish, LA, Webster Parish, LA, Anderson County, TX, Angelina County, TX, Bosque County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Collin County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Hamilton County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Marion County, TX, McLennan County, TX, Mills County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Rains County, TX, Rockwall County, TX, Rusk County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Somervell County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 121 km from the middle of the area, began a volume at 04:34 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

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

IssuedProductOfficeCountiesLasted
Jun 16, 11:48 PM CDTSevere Thunderstorm WarningFWDHunt57 min
Jun 16, 11:54 PM CDTFlash Flood WarningFWDDallas3 hr
Jun 16, 11:57 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson63 min
Jun 17, 12:12 AM CDTSevere Thunderstorm WarningFWDHopkins, Rains63 min
Jun 17, 12:23 AM CDTSevere Thunderstorm WarningFWDHamilton67 min
Jun 17, 12:30 AM CDTSevere Thunderstorm WarningFWDDallas60 min
Jun 17, 12:42 AM CDTSevere Thunderstorm WarningFWDKaufman63 min
Jun 17, 12:57 AM CDTSevere Thunderstorm WarningSHVWood48 min
Jun 17, 1:14 AM CDTSevere Thunderstorm WarningFWDVan Zandt61 min
Jun 17, 1:20 AM CDTSevere Thunderstorm WarningSHVFranklin25 min
Jun 17, 1:35 AM CDTSevere Thunderstorm WarningSHVCamp, Titus40 min
Jun 17, 1:58 AM CDTSevere Thunderstorm WarningSHVSmith, Wood62 min
Jun 17, 2:07 AM CDTSevere Thunderstorm WarningSHVMorris53 min
Jun 17, 2:23 AM CDTSevere Thunderstorm WarningSHVUpshur67 min
Jun 17, 2:35 AM CDTFlash Flood WarningSHVCamp, Morris, Titus, Wood4 hr
Jun 17, 2:52 AM CDTSevere Thunderstorm WarningSHVGregg53 min
Jun 17, 2:57 AM CDTSevere Thunderstorm WarningSHVHarrison, Marion63 min
Jun 17, 3:18 AM CDTSevere Thunderstorm WarningSHVCass42 min
Jun 17, 3:41 AM CDTSevere Thunderstorm WarningSHVMiller49 min
Jun 17, 3:44 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo61 min
Jun 17, 4:02 AM CDTSevere Thunderstorm WarningLZKBradley33 min
Jun 17, 5:11 AM CDTSevere Thunderstorm WarningSHVRed River49 min
Jun 17, 5:20 AM CDTSevere Thunderstorm WarningSHVUnion40 min
Jun 17, 5:28 AM CDTSevere Thunderstorm WarningSHVBienville, Lincoln62 min
Jun 17, 5:38 AM CDTSevere Thunderstorm WarningHGXHouston22 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.5 hours before the alert went out and 134 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, Fort Worth, TX at 00:00Z on 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5256 joules per kilogram.LCLEL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
5256 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

585 
WWUS9 KMKC 170406
SEL9  
MKC WW 170406
TXZ000-LAZ000-ARZ000-171100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 459
STORM PREDICTION CENTER NORMAN OK
1106 PM CDT MON JUN 16 1997

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

   NORTH CENTRAL AND NORTHEASTERN TEXAS                           
   NORTHWESTERN LOUISIANA                          
   EXTREME SOUTHWESTERN ARKANSAS                           

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1130 PM UNTIL
600 AM CDT.

TORNADOES...HAIL TO 1 3/4 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 140 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES SOUTHEAST OF WACO TEXAS TO 10 MILES
NORTHWEST OF TEXARKANA 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 455.  WATCH NUMBER 455 WILL NOT BE IN EFFECT AFTER 1130 PM
CDT.  CONTINUE...WW 454...WW 456...WW 457...WW 458...

DISCUSSION...CLUSTER OF THUNDERSTORMS CONTINUES OVER REGION WHERE
AIR MASS VERY UNSTABLE PER 3000 TO 4000 J/KG CAPES. STRONG UPPER
VORT AXIS WILL MOVE INTO REGION WITH INCREASING LIFT AND COOLING
ALOFT WITH 50 KT SPEED MAX BRINGING RISK OF SUPERCELLS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 3/4 INCHES.  EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500.  MEAN STORM MOTION VECTOR 23035.


...ROGASH

310,0990 333,0963 333,0914 310,0941

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 7:30 PM CDTTornado WatchSPCBradley, Calhoun, Clark, Cleburne, Cleveland, Conway and 22 more6 hr
Jun 16, 10:00 PM CDTTornado WatchSPCCrawford, Franklin, Howard, Little River, Polk, Scott and 2 more6 hr
Jun 17, 1:30 AM CDTSevere Thunderstorm WatchSPCCrittenden, Desha, Phillips5 hr
Jun 17, 6:00 AM CDTSevere Thunderstorm WatchSPCAshley, Chicot, Desha, Drew6 hr
Jun 17, 6:30 AM CDTTornado WatchSPCAllen, Avoyelles, Beauregard, Evangeline, Rapides, Saint Landry and 1 more6 hr
Jun 16, 11:00 PM CDTSevere Thunderstorm WatchSPCBurnet, Concho, Edwards, Gillespie, Kerr, Kimble and 10 more5 hr
Jun 17, 10:30 AM CDTSevere Thunderstorm WatchSPCAustin, Brazoria, Caldwell, Calhoun, Chambers, Colorado and 22 more6 hr
Jun 17, 4:00 PM CDTSevere Thunderstorm WatchSPCAransas, Bee, Brooks, Calhoun, Cameron, Duval and 18 more6 hr

Nearby

Tornado Watches in Texas, 1997Tornado Watches in Louisiana, 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.