Alert archive / Texas / Tornado Watches in 1999

Tornado Watch 267

May 15, 19996 counties in Oklahoma; 22 counties in Texas

The Storm Prediction Center issued this tornado watch at May 15, 1999, 6:15 PM CDT for 6 counties in Oklahoma; 22 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 15, 1999, 6:15 PM CDT (23:15 UTC)
Expired
May 16, 1999, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 28 counties

Comanche County, OK, Cotton County, OK, Jackson County, OK, Jefferson County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Eastland County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Knox County, TX, Nolan County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 15, 6:25 PM CDTSevere Thunderstorm WarningOUNBaylor50 min
May 15, 6:44 PM CDTSevere Thunderstorm WarningOUNKnox46 min
May 15, 6:46 PM CDTSevere Thunderstorm WarningOUNWilbarger29 min
May 15, 6:48 PM CDTTornado WarningOUNBaylor27 min
May 15, 7:08 PM CDTTornado WarningOUNKnox37 min
May 15, 7:14 PM CDTFlash Flood WarningOUNBaylor, Knox3 hr
May 15, 7:19 PM CDTSevere Thunderstorm WarningOUNBaylor41 min
May 15, 7:48 PM CDTSevere Thunderstorm WarningOUNFoard, Knox42 min
May 15, 8:27 PM CDTSevere Thunderstorm WarningOUNBaylor, Knox33 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.3 hours before the alert went out and 213 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 12:00Z on 1999-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1633 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 12:00Z on 1999-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.193958Sfc1 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
1633 J/kg
Mixed-layer CIN
-401 J/kg
Mixed-layer LCL
939 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

Nearby

Tornado Watches in Texas, 1999Tornado Watches in Oklahoma, 1999Every tornado watch in 1999

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.