Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 23, NWS Fort Worth, TX

June 20, 1993Upshur County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jun 20, 1993, 5:33 AM CDT for Upshur County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1993, 5:33 AM CDT (10:33 UTC)
Expired
Jun 20, 1993, 8:30 AM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Upshur County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 10.6 hours before the alert went out and 54 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, Longview/Gregg, TX at 00:00Z on 1993-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 joules per kilogram.LCLEL10008507005003002001001 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, Longview/Gregg, TX at 00:00Z on 1993-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 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
163 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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 20, 6:43 AM CDTFlash Flood WarningFWDLeon4 hr
Jun 20, 7:43 AM CDTFlash Flood WarningFWDCherokee3 hr
Jun 20, 8:28 AM CDTFlash Flood WarningFWDAnderson6 hr
Jun 20, 8:42 AM CDTFlash Flood WarningFWDUpshur6 hr
Jun 20, 10:45 AM CDTFlash Flood WarningFWDCherokee4 hr
Jun 20, 10:48 AM CDTFlash Flood WarningFWDSmith4 hr

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.