Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 89, NWS Midland/Odessa, TX

October 11, 2003Brewster County, Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Oct 11, 2003, 5:53 AM CDT for Brewster County, 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 outline as issued.

The facts

Issued
Oct 11, 2003, 5:53 AM CDT (10:53 UTC)
Expired
Oct 11, 2003, 9:45 AM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

Counties Brewster County, TX, Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 215 km from the middle of the area, began a volume at 10:56 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

Del Rio, TX (KDRT), launched 00:00Z, 10.9 hours before the alert went out and 199 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 2003-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 940 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2003-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 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
940 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
47 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 
WGUS54 KMAF 111054
FFWMAF
TXC043-371-443-111445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
553 AM CDT SAT OCT 11 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 945 AM CDT

* AT 551 AM CDT...WEATHER SERVICE RADAR DETECED A LARGE AREA OF 
  RAIN WITH EMBEDDED THUNDERSTORMS SOUTHEAST OF AN ALPINE TO
  FORT STOCKTON LINE...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  BAKERSFIELD...CASTOLON...CHISOS BASIN...DRYDEN...GIRVIN...
  LONGFELLOW...MARATHON...PANTHER JUNCTION...PERSIMMON GAP...
  SANDERSON...SHEFFIELD...STUDY BUTTE...TERLINGUA...TERLINGUA RANCH
  LODGE...THE TERRELL GAS PLANT...MARSICAL CANYON AND RIO GRANDE
  VILLAGE

RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL RESULT IN FLASH
FLOODING OF ARROYOS...DRAWS...CREEKS...AND OTHER LOW LYING AREAS.

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMOBILES. MOVE UP TO AVOID RISING WATERS.

LAT...LON 3004 10372 2920 10370 2897 10316 2987 10234
          2980 10176 3067 10180 3098 10202 3108 10242

$$
1 follow-up statement
000 
WGUS74 KMAF 111422
FFSMAF
TXC043-371-443-111445-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
919 AM CDT SAT OCT 11 2003

...A FLASH FLOOD WARNING CONTINUES FOR PECOS...TERRELL AND BREWSTER
COUNTIES UNTIL 945 AM CDT...

AT 919 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT VERY HEAVY RAINFALL FROM 11 MILES SOUTHWEST OF SANDERSON TO IRAAN. 
THESE STORMS PRODUCING HEAVY RAINFALL ARE MOVING NORTHEAST AT 25 MPH.
FLOODING HAS BEEN REPORTED ON US 90 BETWEEN ALPINE AND SANDERSON 
WITH ADDITIONAL FLOODING POSSIBLE.

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

LAT...LON 3024 10366 2890 10337 2998 10186 3086 10200
          3127 10298

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 8:41 PM CDTSevere Thunderstorm WarningMAFReeves19 min
Oct 10, 8:54 PM CDTSevere Thunderstorm WarningMAFWard66 min

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.