Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 70, NWS Midland/Odessa, TX

August 31, 2003Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 31, 2003, 1:18 AM CDT for Pecos County, Texas. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 31, 2003, 1:18 AM CDT (06:18 UTC)
Expired
Aug 31, 2003, 6:00 AM CDT
In force
5 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 135 km from the middle of the area, began a volume at 06:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 6.3 hours before the alert went out and 136 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 00:00Z on 2003-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2003-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
378 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 310618
FFWMAF
TXC371-311100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
118 AM CDT SUN AUG 31 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PECOS COUNTY IN SOUTHWEST TEXAS

* UNTIL 600 AM CDT

* AT 111 AM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY RAINFALL
  OCCURRING OVER MUCH OF PECOS COUNTY...MOVING SOUTHEAST AT 10 MPH. 
  SIGNIFICANT FLOODING CONTINUES OVER PARTS OF PECOS COUNTY.
  AT 1235 AM CDT...LAW ENFORCEMENT REPORTED THAT WATER COVERED FM 1053
  10 MILES NORTH OF FORT STOCKTON AND HIGHWAY 18...13 MILES NORTH OF FORT 
  STOCKTON. ADDITIONAL HEAVY RAINFALL WILL CONTINUE TO AGGRAVATE THE 
  FLOODING SITUATION.

* SOME LOCATIONS AFFECTED INCLUDE...
  BAKERSFIELD...BELDING...COYANOSA...FORT STOCKTON...GIRVIN...
  IMPERIAL...IRAAN...AND SHEFFIELD

NEVER ATTEMPT TO DRIVE ACROSS A FLOODED ROAD MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES.

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. THE ROAD MAY BE WASHED OUT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO RECOGNIZE
FLOOD DANGERS. 

LAT...LON 3076 10358 3135 10305 3124 10247 3096 10184
          3065 10181 3060 10236 3001 10254

$$
1 follow-up statement
000 
WGUS74 KMAF 310923
FFSMAF
TXC371-311100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
423 AM CDT SUN AUG 31 2003

...A FLASH FLOOD WARNING CONTINUES FOR PECOS COUNTY UNTIL 600 AM
CDT...

...AT 345 AM CDT...LAW ENFORCEMENT OFFICIALS REPORTED HIGH WATER AT 
THE INTERSECTION OF FM 1776 AND HIGHWAY 285 SOUTH OF COYANOSA...

AT 420 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE RAINFALL HAD DECREASED SIGNIFICANTLY ACROSS PECOS COUNTY. 
HOWEVER...FLOODING REMAINS IMMINENT THROUGHOUT THE COUNTY AS RUNOFF 
CONTINUES FROM EARLIER HEAVY RAINS. FLOODING OF LOW LYING AND POOR 
DRAINAGE AREAS WILL ALSO CONTINUE.

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. NEVER ATTEMPT TO DRIVE ACROSS A FLOODED ROADS. 
THE ROAD MAY BE WASHED OUT. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO RECOGNIZE 
FLOOD DANGERS.

LAT...LON 3076 10358 3135 10305 3124 10247 3096 10184
          3065 10181 3060 10236 3001 10254

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 8:54 PM CDTFlash Flood WarningMAFEctor3 hr
Aug 30, 9:36 PM CDTFlash Flood WarningMAFCrane, Ward3 hr
Aug 30, 10:32 PM CDTFlash Flood WarningMAFPecos3 hr
Aug 30, 11:16 PM CDTFlash Flood WarningMAFMidland3 hr
Aug 30, 11:27 PM CDTFlash Flood WarningMAFBorden3 hr
Aug 30, 11:39 PM CDTFlash Flood WarningMAFEctor3 hr
Aug 30, 11:45 PM CDTFlash Flood WarningMAFBrewster3 hr
Aug 31, 1:27 AM CDTFlash Flood WarningMAFMitchell3 hr
Aug 31, 2:44 AM CDTFlash Flood WarningMAFBrewster3 hr

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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; radar from the NEXRAD Level II archive.