Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 152

April 10, 199742 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 10, 1997, 8:45 PM CDT for 42 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 10, 1997, 8:45 PM CDT (01:45 UTC)
Expired
Apr 11, 1997, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 42 counties

Andrews County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hockley County, TX, Howard County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Runnels County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Swisher County, TX, Taylor County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 101 km from the middle of the area, began a volume at 01:47 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

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

IssuedProductOfficeCountiesLasted
Apr 10, 8:54 PM CDTSevere Thunderstorm WarningLUBSwisher61 min
Apr 10, 8:55 PM CDTTornado WarningLUBHale20 min
Apr 10, 8:59 PM CDTTornado WarningLUBLubbock36 min
Apr 10, 9:03 PM CDTSevere Thunderstorm WarningLUBTerry47 min
Apr 10, 9:09 PM CDTTornado WarningLUBCrosby46 min
Apr 10, 9:15 PM CDTSevere Thunderstorm WarningLUBBriscoe50 min
Apr 10, 9:17 PM CDTSevere Thunderstorm WarningLUBHale63 min
Apr 10, 9:28 PM CDTSevere Thunderstorm WarningLUBLynn32 min
Apr 10, 9:30 PM CDTTornado WarningLUBLubbock65 min
Apr 10, 9:41 PM CDTTornado WarningLUBDickens64 min
Apr 10, 9:53 PM CDTSevere Thunderstorm WarningMAFMidland32 min
Apr 10, 9:54 PM CDTTornado WarningLUBCrosby61 min
Apr 10, 10:00 PM CDTSevere Thunderstorm WarningLUBLynn35 min
Apr 10, 10:07 PM CDTSevere Thunderstorm WarningLUBFloyd63 min
Apr 10, 10:34 PM CDTSevere Thunderstorm WarningLUBLubbock31 min
Apr 10, 10:43 PM CDTTornado WarningLUBDickens, Motley47 min
Apr 10, 10:55 PM CDTSevere Thunderstorm WarningLUBCrosby60 min
Apr 10, 10:59 PM CDTSevere Thunderstorm WarningMAFScurry46 min
Apr 10, 11:02 PM CDTSevere Thunderstorm WarningMAFScurry43 min
Apr 10, 11:08 PM CDTTornado WarningLUBCottle62 min
Apr 10, 11:51 PM CDTSevere Thunderstorm WarningLUBLynn64 min
Apr 10, 11:51 PM CDTSevere Thunderstorm WarningMAFDawson49 min
Apr 10, 11:56 PM CDTSevere Thunderstorm WarningLUBLubbock64 min
Apr 10, 11:57 PM CDTSevere Thunderstorm WarningMAFEctor48 min
Apr 11, 12:02 AM CDTSevere Thunderstorm WarningMAFMidland48 min
Apr 11, 12:08 AM CDTSevere Thunderstorm WarningMAFMartin62 min
Apr 11, 12:16 AM CDTSevere Thunderstorm WarningLUBFloyd, Motley64 min
Apr 11, 12:47 AM CDTSevere Thunderstorm WarningMAFMidland48 min
Apr 11, 12:48 AM CDTSevere Thunderstorm WarningLUBFloyd62 min
Apr 11, 12:58 AM CDTSevere Thunderstorm WarningLUBCrosby52 min
Apr 11, 1:02 AM CDTSevere Thunderstorm WarningMAFHoward48 min
Apr 11, 1:21 AM CDTSevere Thunderstorm WarningLUBKent49 min
Apr 11, 1:32 AM CDTSevere Thunderstorm WarningMAFMidland48 min
Apr 11, 1:42 AM CDTSevere Thunderstorm WarningMAFScurry48 min
Apr 11, 2:02 AM CDTSevere Thunderstorm WarningMAFGlasscock48 min
Apr 11, 2:07 AM CDTSevere Thunderstorm WarningSJTMitchell73 min
Apr 11, 2:26 AM CDTSevere Thunderstorm WarningSJTFisher64 min
Apr 11, 2:32 AM CDTSevere Thunderstorm WarningSJTSterling63 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 1.8 hours before the alert went out and 115 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, Midland Regional, TX at 00:00Z on 1997-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1544 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, Midland Regional, TX at 00:00Z on 1997-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
1544 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.4
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

560 
WWUS9 KMKC 110131 COR
SEL2  
MKC WW 110131 COR
TXZ000-110800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 152
STORM PREDICTION CENTER NORMAN OK
831 PM CDT THU APR 10 1997

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

PARTS OF WESTERN TEXAS

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING UNTIL 300 AM CDT.

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


THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES SOUTH SOUTHEAST OF BIG SPRING TEXAS TO 45
MILES NORTHEAST OF PLAINVIEW TEXAS.

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.

B..OTHER WATCH INFORMATION.. THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 150.  WATCH NUMBER 150 WILL NOT BE IN EFFECT AFTER 845
PM CDT.
$$

C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 2
INCHES.  EXTRM TURBC AND SFC WIND GUSTS TO 70 KNOTS.  A FEW CBS
WITH MAX TOPS TO 450.  MEAN WIND VECTOR 24040.

D...thunderstorms with a history of tornadoes and large hail
continue to develop along dry line and near cold front/dry line
intersection. 40 kt low level jet combined with 60 kt mid level
flow indicates continued threat of supercells as capes from 2000 to
3000 j/kg. 

E...OTR TSTMS... THIS WATCH REPLACES..WW 150.. CONT..WW 151..

...ROGASH

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 8:15 PM CDTSevere Thunderstorm WatchSPCHardeman6 hr
Apr 11, 3:00 AM CDTTornado WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 26 more6 hr
Apr 11, 9:30 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Bastrop, Bell, Brazos, Burleson and 28 more6 hr
Apr 11, 2:30 PM CDTTornado WatchSPCAustin, Brazoria, Calhoun, Chambers, Colorado, Fayette and 18 more6 hr

Nearby

Tornado Watches in Texas, 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.