Alert archive / Texas / Flash Flood Warnings in 1996

Flash Flood Warning 59, NWS Midland/Odessa, TX

August 24, 1996Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 24, 1996, 10:27 AM CDT for Pecos County, Terrell County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 24, 1996, 10:27 AM CDT (15:27 UTC)
Expired
Aug 24, 1996, 2:00 PM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

Counties Pecos County, TX, Terrell County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 3.5 hours before the alert went out and 162 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, Midland Regional, TX at 12:00Z on 1996-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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, Midland Regional, TX at 12:00Z on 1996-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
33 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
27 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 KMAF 241526
FFWMAF
TXC371-443-241900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
1027 AM CDT SAT AUG 24 1996

THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST TEXAS

   ...EASTERN PECOS COUNTY
   ...NORTHERN TERRELL COUNTY
 
AT 1020 AM AN AREA OF HEAVY RAIN WAS CONTINUING OVER MUCH OF
TERRELL COUNTY AND EXTENDING TO THE PECOS RIVER VALLEY OF EASTERN
PECOS COUNTY MOVING TO THE NORTH-NORTHWEST AT 15 MPH. DOPPLER RADAR
ESTIMATES AN ADDITIONAL 2 TO 3 INCHES OF RAIN HAS FALLEN THIS
MORNING OVER AREAS THAT ALREADY HAVE SATURATED GROUND FROM
YESTERDAYS HEAVY RAINFALL.

RAINS ARE EXPECTED TO CONTINUE INTO THE AFTERNOON HOURS IN THESE
AREAS WITH THE ADDITIONAL AMOUNTS RUNNING OFF INTO STREAMS AND
ACCUMULATING IN LOWER AREAS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FL.ASH 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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this flash flood warning went out at Aug 24, 2:05 AM CDT, 8 hours 22 minutes earlier.

Area forecast discussion, Aug 24, 2:05 AM CDT, 8 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
205 AM CDT (105 AM MDT) SAT AUG 24 1996

NOT MUCH CHANGE FROM 00Z MAF SOUNDING EXPECTED OVER THE NEXT 24
HOURS. LATEST MAPS DATA SHOWS 850 MB THETA-E RIDGE PARKED OVER WEST
TEXAS. MODELS ARE CONSISTENT IN DEPICTING THE CURRENT DEEP LAYER
MOISTURE AND PRECIP WATER VALUES AROUND 1.5-INCHES TO PERSIST
THROUGH SATURDAY EVENING...BEFORE 850 MB THETA-E VALUES DECREASE
ON SATURDAY NIGHT.  FORECAST MODEL SOUNDINGS INDICATE SOME INCREASED
INSTABILITY SATURDAY AFTERNOON...AS AFTERNOON HEATING INCREASES
CAPE VALUES TO 500 J/KG AND UPPER LEVEL Q-CONVERGENCE REMAINS IN
PLACE...SUGGESTING THE MENTION OF SCATTERED THUNDERSHOWERS ACROSS
FORECAST AREA LATER THIS AFTERNOON.

KMAF 88D SHOWING WIDESPEAD PRECIP MAINLY EAST OF THE PECOS SPREADING
NORTHWESTWARD INTO SE NEW MEXICO AND THE NORTHERN PERMIAN BASIN.
TERRELL COUNTY REMAINS A FLASH FLOOD POTENTIAL...AS HEAVIER
PRECIP RETURNS ARE CURRENTLY CROSSING THE PECOS RIVER INTO TERRELL
COUNTY.  KMAF RADAR AND WIND PROFILER SHOW LIGHT SE WINDS UP TO
AROUND 20K FT...MAINTAINING THE DEEP LAYER MOISTURE ADVECTION FROM
SOUTH TEXAS INTO FORECAST AREA AS EVIDENT ON WATER VAPOR LOOP.

STORM TOTAL RAINFALL ESTIMATES FOR THE LAST 36 HOURS ARE FROM 1/2 TO
ONE INCH ALONG AND EAST OF A HOBBS-MONOHANS-SANDERSON LINE.  A
BAND OF 2 TO 3-INCH RAINFALL ESTIMATES EXTENDED FROM GAIL SOUTHWARD
TO BIG LAKE AND THEN SOUTHWESTWARD INTO NORTHERN TERRELL COUNTY.

BELOW TEMPS AND PRECIP FOR SATURDAY AFTERNOON ARE A BLEND OF GUIDANCE
AND PERSISTENCE.

CNM  81/30
MAF  80/40
MRF  76/30
P07  79/40

FAGEN/BOYD

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 23, 10:06 PM CDTFlash Flood WarningMAFTerrell4 hr

Nearby

Flash Flood Warnings in Texas, 1996Every flash flood warning in 1996

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.