Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 34, NWS Fort Worth, TX

June 12, 1987Haskell County, Jones County, Texas

NWS Fort Worth, TX issued this tornado warning at Jun 12, 1987, 11:45 AM CDT for Haskell County, Jones County, Texas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1987, 11:45 AM CDT (16:45 UTC)
Expired
Jun 12, 1987, 12:35 PM CDT
In force
50 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Haskell County, TX, Jones County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 4.8 hours before the alert went out and 180 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, Stephenville/Cla, TX at 12:00Z on 1987-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1052 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 12:00Z on 1987-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1052 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
37 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.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:48 PM CDTFlash Flood WarningFWDPalo Pinto3 hr
Jun 11, 9:05 PM CDTFlash Flood WarningFWDParker3 hr
Jun 12, 10:42 AM CDTFlash Flood WarningFWDBosque4 hr
Jun 12, 4:22 PM CDTFlash Flood WarningFWDCooke4 hr
Jun 12, 5:54 PM CDTFlash Flood WarningFWDSomervell2 hr
Jun 12, 6:05 PM CDTSevere Thunderstorm WarningFWDCallahan60 min
Jun 12, 6:30 PM CDTFlash Flood WarningFWDJohnson2 hr
Jun 12, 6:38 PM CDTSevere Thunderstorm WarningFWDMcLennan67 min

Nearby

Tornado Warnings in Texas, 1987Every tornado warning in 1987Tornadoes in 1987

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.