Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 72, NWS Midland/Odessa, TX

August 31, 2003Brewster County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 31, 2003, 2:44 AM 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 outline as issued.

The facts

Issued
Aug 31, 2003, 2:44 AM CDT (07:44 UTC)
Expired
Aug 31, 2003, 6:00 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Brewster County, TX

The radar

The Midland/Odessa radar (KMAF), 229 km from the middle of the area, began a volume at 07:47 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, 7.7 hours before the alert went out and 229 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°0°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 310748
FFWMAF
TXC043-311100-

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

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 600 AM CDT

* AT 244 AM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY RAINFALL
  WAS OCCURRING 7 MILES NORTHWEST OF MARATHON ALONG HIGHWAY 90.
  LITTLE MOVEMENT WAS INDICATED.

* SOME LOCATIONS AFFECTED INCLUDE...
  ALONG HIGHWAY 90 BETWEEN ALPINE AND MARATHON...HIGHWAY 118 SOUTH
  OF ALPINE

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES.

LAT...LON 3039 10376 2978 10376 2980 10309 2998 10253
          3061 10344

$$

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, 1:18 AM CDTFlash Flood WarningMAFPecos5 hr
Aug 31, 1:27 AM CDTFlash Flood WarningMAFMitchell3 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.