Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 73, NWS Midland/Odessa, TX

August 18, 1997Brewster County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 18, 1997, 9:50 PM CDT for Brewster County, Texas. It was in force for 3 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 18, 1997, 9:50 PM CDT (02:50 UTC)
Expired
Aug 19, 1997, 1:00 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Brewster County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 2.8 hours before the alert went out and 238 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, Del Rio, TX at 00:00Z on 1997-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 575 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, Del Rio, TX at 00:00Z on 1997-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
575 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
2612 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-11 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

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

000 
TTAA00 KMAF 190251
FFWMAF
TXC043-190555-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
950 PM CDT MON AUG 18 1997

THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TEXAS

   ...NORTHEASTERN BREWSTER COUNTY

SLOW MOVING THUNDERSTORMS CONTINUE TO AFFECT NORTHEAST BREWSTER
COUNTY...WEST OF MARATHON. DOPPLER RADAR HAS ESTIMATED UPWARDS OF
TWO INCHES PER HOUR HAS FALLEN OVER THIS REGION.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:19 PM CDTSevere Thunderstorm WarningMAFEctor46 min
Aug 18, 7:32 PM CDTSevere Thunderstorm WarningMAFMidland33 min
Aug 18, 7:52 PM CDTSevere Thunderstorm WarningMAFMidland33 min
Aug 18, 7:56 PM CDTFlash Flood WarningMAFEctor, Midland2 hr
Aug 18, 8:04 PM CDTSevere Thunderstorm WarningMAFMidland31 min
Aug 18, 8:28 PM CDTSevere Thunderstorm WarningMAFGlasscock47 min
Aug 18, 8:51 PM CDTFlash Flood WarningMAFGlasscock, Martin2 hr
Aug 18, 9:11 PM CDTSevere Thunderstorm WarningMAFHoward49 min
Aug 18, 9:43 PM CDTFlash Flood WarningMAFHoward107 min
Aug 19, 5:56 PM CDTSevere Thunderstorm WarningMAFMartin34 min
Aug 19, 6:00 PM CDTSevere Thunderstorm WarningMAFMidland35 min

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.