Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 69, NWS Midland/Odessa, TX

August 18, 1997Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 18, 1997, 6:07 PM CDT for Pecos County, Texas. It was in force for 2 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, 6:07 PM CDT (23:07 UTC)
Expired
Aug 18, 1997, 8:30 PM CDT
In force
2 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Pecos County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.1 hours before the alert went out and 139 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 1997-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 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 1997-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1009 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
76 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 182307
FFWMAF
TXC371-190130-

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

THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TEXAS

   ...NORTHWESTERN PECOS COUNTY
 
MIDLAND DOPPLER RADAR HAD ESTIMATED OVER 2 INCHES OF RAIN HAD FALLEN
NEAR INTERSTATE 10 IN FAR WESTERN PECOS COUNTY. HEAVY RAIN WAS
CONTINUING IN THIS AREA AT 6 PM...AND EXTENDED AS FAR NORTH AS
COYANOSA. AFFECTED AREAS INCLUDE INTERSTATE 10 IN FAR WESTERN PECOS
COUNTY...AND HIGHWAY 1776.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 3:29 PM CDTFlash Flood WarningMAFAndrews, Martin3 hr
Aug 18, 3:31 PM CDTFlash Flood WarningMAFJeff Davis, Presidio119 min
Aug 18, 4:24 PM CDTFlash Flood WarningMAFGaines31 min
Aug 18, 4:24 PM CDTSevere Thunderstorm WarningMAFGaines31 min
Aug 18, 4:35 PM CDTSevere Thunderstorm WarningMAFHoward30 min
Aug 18, 5:41 PM CDTFlash Flood WarningMAFDawson, Gaines3 hr
Aug 18, 6:24 PM CDTSevere Thunderstorm WarningMAFMidland31 min
Aug 18, 6:56 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos49 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.