Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 106

March 24, 19978 counties in Oklahoma; 32 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 24, 1997, 10:30 PM CST for 8 counties in Oklahoma; 32 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 24, 1997, 10:30 PM CST (04:30 UTC)
Expired
Mar 25, 1997, 4:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 40 counties

Atoka County, OK, Bryan County, OK, Carter County, OK, Cotton County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Cooke County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Grayson County, TX, Haskell County, TX, Hood County, TX, Jack County, TX, Jones County, TX, Mills County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Wichita County, TX, Wise County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 8 km from the middle of the area, began a volume at 04:33 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

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

IssuedProductOfficeCountiesLasted
Mar 24, 10:42 PM CSTTornado WarningSJTTaylor48 min
Mar 24, 10:46 PM CSTSevere Thunderstorm WarningSJTJones49 min
Mar 24, 11:13 PM CSTSevere Thunderstorm WarningOUNArcher, Wichita47 min
Mar 24, 11:19 PM CSTSevere Thunderstorm WarningSJTJones, Taylor61 min
Mar 24, 11:26 PM CSTSevere Thunderstorm WarningSJTShackelford59 min
Mar 24, 11:28 PM CSTTornado WarningSJTCallahan, Taylor62 min
Mar 24, 11:34 PM CSTSevere Thunderstorm WarningSJTNolan66 min
Mar 24, 11:34 PM CSTTornado WarningSJTShackelford46 min
Mar 24, 11:41 PM CSTSevere Thunderstorm WarningOUNClay49 min
Mar 24, 11:58 PM CSTSevere Thunderstorm WarningOUNJefferson32 min
Mar 25, 12:07 AM CSTSevere Thunderstorm WarningFWDStephens68 min
Mar 25, 12:09 AM CSTSevere Thunderstorm WarningSJTSterling, Tom Green61 min
Mar 25, 12:30 AM CSTSevere Thunderstorm WarningOUNCarter, Jefferson45 min
Mar 25, 12:39 AM CSTSevere Thunderstorm WarningSJTCoke61 min
Mar 25, 12:58 AM CSTSevere Thunderstorm WarningSJTCoke, Irion, Tom Green62 min
Mar 25, 1:02 AM CSTTornado WarningSJTTom Green63 min
Mar 25, 1:18 AM CSTSevere Thunderstorm WarningSJTShackelford62 min
Mar 25, 1:27 AM CSTTornado WarningSJTCoke, Runnels63 min
Mar 25, 1:46 AM CSTFlash Flood WarningSJTIrion, Tom Green59 min
Mar 25, 1:46 AM CSTSevere Thunderstorm WarningSJTIrion, Tom Green59 min
Mar 25, 2:10 AM CSTSevere Thunderstorm WarningSJTColeman65 min
Mar 25, 2:31 AM CSTFlash Flood WarningSJTShackelford3 hr
Mar 25, 3:02 AM CSTFlash Flood WarningFWDPalo Pinto, Parker118 min
Mar 25, 3:05 AM CSTSevere Thunderstorm WarningSJTTom Green60 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.5 hours before the alert went out and 182 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 1997-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 986 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, Fort Worth, TX at 00:00Z on 1997-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
986 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1525 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

810 
WWUS9 KMKC 250416
SEL6  
MKC WW 250416
TXZ000-OKZ000-251000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 106
STORM PREDICTION CENTER NORMAN OK
1016 PM CST MON MAR 24 1997

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

   PARTS OF WEST-CENTRAL AND NORTH-CENTRAL TEXAS                  
   PARTS OF SOUTH-CENTRAL OKLAHOMA                           

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING UNTIL 400 AM CST.

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


THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES EAST OF SAN ANGELO TEXAS TO 15 MILES
NORTHWEST OF ARDMORE OKLAHOMA.

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.
$$

C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 2 1/4
INCHES.  EXTRM TURBC AND SFC WIND GUSTS TO 70 KNOTS.  A FEW CBS
WITH MAX TOPS TO 480.  MEAN WIND VECTOR 24030.

D...STG/SVR TSTMS HAVE DEVELOPED ACRS PORTIONS OF THIS AREA.  TEMPS
IN THE 70S AND DEWPTS IN THE UPR 50S/60S...COMBINED WITH COLD MID
LVL TEMPS /500 MB TEMPS FM MINUS 16 TO MINUS 18 DEGC/ HAS RESULTED
IN MDTLY UNSTBL AMS.  CAPE VALUES AS HIGH AS 1500 J/KG EXTENDED FM
S-CNTRL OK SWWD INTO W-CENTRL TX.  MODELS INDICATE MID-LVL SPD MAX
IS MOVG INTO THIS RGN WHICH SHOULD ENHANCE UVVS.  SFC WINDS HAVE
BEEN BACKING DURG PAST FEW HRS AND THIS HAS RESULTED IN INCREASING
LOW-LVL SHEAR.  BELIEVE THREAT OF STG/SVR TSTMS AND TORNADOES WILL
INCREASE ACRS AREA DURG NEXT SVRL HRS. 

E...OTR TSTMS...  CONT..WW 104..WW 105..

...HOVIS

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 7:45 PM CSTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 33 more6 hr
Mar 25, 12:15 AM CSTSevere Thunderstorm WatchSPCAdair, Cherokee, Cleveland, Coal, Creek, Delaware and 21 more6 hr

Nearby

Tornado Watches in Texas, 1997Tornado Watches in Oklahoma, 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.