Alert archive / Texas / Tornado Watches in 1997

Tornado Watch 153

April 11, 1997Love County, Oklahoma; 32 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 11, 1997, 3:00 AM CDT for Love County, Oklahoma; 32 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 11, 1997, 3:00 AM CDT (08:00 UTC)
Expired
Apr 11, 1997, 9:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 33 counties

Love County, OK, Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Cooke County, TX, Eastland County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Knox County, TX, McCulloch County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Reagan County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Wise County, TX, Young County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 11, 3:16 AM CDTSevere Thunderstorm WarningSJTNolan79 min
Apr 11, 3:36 AM CDTTornado WarningSJTNolan49 min
Apr 11, 4:02 AM CDTTornado WarningSJTTaylor63 min
Apr 11, 4:08 AM CDTSevere Thunderstorm WarningFWDJack, Young67 min
Apr 11, 4:47 AM CDTTornado WarningSJTCallahan78 min
Apr 11, 5:08 AM CDTSevere Thunderstorm WarningSJTTaylor62 min
Apr 11, 5:19 AM CDTSevere Thunderstorm WarningSJTRunnels61 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 8.0 hours before the alert went out and 215 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 8:15 PM CDTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 26 more6 hr
Apr 10, 8:45 PM CDTTornado WatchSPCAndrews, Borden, Briscoe, Castro, Childress, Coke and 36 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, 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.