Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 84, NWS Austin/San Antonio, TX

July 19, 1992Val Verde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 19, 1992, 10:10 AM CDT for Val Verde County, Texas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 19, 1992, 10:10 AM CDT (15:10 UTC)
Expired: Jul 19, 1992, 4:00 PM CDT
In force: 6 hr
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Val Verde County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 3.2 hours before the alert went out and 250 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 178 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1052 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDRT 191508
FFWDRT
TXC465-192100-

BULLETIN - EBS ACTIVITATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
1010 AM CDT SUN JUL 19 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHCENTRAL TEXAS...VAL VERDE.

AT 1005 AM CDT AN AREA OF SHOWERS AND ISOLATED THUNDERSTORMS WERE
LOCATED IN THE SOUTHEASTERN PORTION OF VAL VERDE COUNTY...FROM 75 MILES
SOUTHWEST OF DEL RIO TO BRACKETTVILLE TO THE CAMP WOOD AREA AND WEST
TO COMSTOCK. RAINFALL RATES OF 2 TO 4 INCHES WERE REPORTED BY LOCAL
BUSINESSES AND AREA RANCHERS. SINCE 400 AM CDT THE DEL RIO NATIONAL
WEATHER SERVICE HAS RECEIVED 1.62 INCHES OF RAIN...FOR A TOTAL OF 2.32
INCHES DURING THE PAST NINE HOURS.

BECAUSE...VERY LITTLE MOVEMENT WAS INDICATED AND YESTERDAY'S RAINS OF
3 TO 5 INCHES IN NORTHERN VAL VERDE COUNTY FLASH FLOODING IS AGAIN
LIKELY ACROSS THE SOUTHERN PART OF VAL VERDE COUNTY. HIGHWAY 163 THAT
RUNS NORTH OUT OF COMSTOCK THROUGH CENTRAL VAL VERDE COUNTY REMAINS
CLOSED TO TRAFFIC AS DOES HIGHWAY 1024 THAT RUNS NORTH OUT OF COMSTOCK.
BAKERS CROSSING REPORTED AT ABOUT 945 AM CDT THAT WATER WAS STILL OVER
THE BRIDGE THAT CROSSES THE DEVILS RIVER.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES..DIPS..OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO
CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING
WATER MOVE UP TO HIGHER GROUND.

MOTORISTS SHOULD USE CAUTION IF DRIVING IS A MUST. VISIBILITIES COULD
BE REDUCED DURING PERIODS OF HEAVY RAINFALL. ROADS AND STREETS WERE
FLOODING AND WERE SLICKEfNED BY PREVIOUS RAINS.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO FOR FURTHER
DETAILS AS THEY DEVELOP.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 8:48 PM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	57 min
Jul 19, 4:00 AM CDT	Flash Flood Warning	EWX	Val Verde	6 hr
Jul 19, 4:10 PM CDT	Flash Flood Warning	EWX	Calhoun	3 hr

Nearby

Flash Flood Warnings in Texas, 1992 Every flash flood warning in 1992

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.