Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 77, NWS Fort Worth, TX

September 5, 1986Wise County, Texas

NWS Fort Worth, TX issued this flash flood warning at Sep 5, 1986, 7:27 AM CDT for Wise County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 5, 1986, 7:27 AM CDT (12:27 UTC)
Expired
Sep 5, 1986, 11:30 AM CDT
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Wise 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, 0.5 hours before the alert went out and 118 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 1986-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1858 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, Stephenville/Cla, TX at 12:00Z on 1986-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1858 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

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
Sep 4, 9:08 PM CDTSevere Thunderstorm WarningFWDWood52 min
Sep 5, 6:13 AM CDTFlash Flood WarningFWDCollin, Denton4 hr
Sep 5, 10:10 AM CDTFlash Flood WarningFWDCollin, Denton3 hr
Sep 5, 2:53 PM CDTSevere Thunderstorm WarningFWDNavarro52 min

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.