Texas, 2003Flash Flooding in Texas, October 11 to 12, 2003
October 11 to 12, 2003 · NWS EWX · 10 events in 10 counties and zones
10 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $256,000
- Crop damage
- None recorded
- Events
- 10
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before the first event at Oct 11, 9:37 AM CST, 53 minutes earlier.
Area forecast discussion, Oct 11, 9:37 AM CST, 53 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1037 AM CDT SAT OCT 11 2003
CURRENT STATIONARY FRONT STILL AGAINST THE ROCKIES WITH OVERRUNNING
CLOUDINESS AREAWIDE AND SHOWERS/TSTMS SPREADING EAST FROM THE BIG
BEND. HAVE ISSUED A NEW FLASH FLOOD WATCH TO KEEP IT GOING THROUGH
TONIGHT AND SUNDAY MORNING. A COLD FRONT HAS MADE IT THROUGH THE TX
PANHANDLE AND IS PROGGED TO MOVE INTO SOUTH CENTRAL TEXAS
OVERNIGHT. INCOMING 12Z MODELS PROGS ARE KEEPING THE UPPER
DYNAMICS WHERE THEY ARE WHILE THE FRONT SAGS SOUTH. SO THE CURRENT
BOUNDARY FOR THE FFA IS GOOD. HAVE ADJUSTED SOME POPS AND TEMPS FOR
TODAY AND TONIGHT.
.EWX...FLASH FLOOD WATCH EXTENDED IN TIME THROUGH SUNDAY MORNING.
06/04/PM
PREVIOUS DISCUSSION...
UPPER LOW EDGING EAST TOWARD AREA THIS MORNING WITH CONVECTION
ACROSS BIG BEND...NORTHERN MEXICO MOVING EAST. INCREASING POPS FROM
WEST TO EAST TODAY INTO TONIGHT. MOISTURE WILL CONTINUE LIFTING
OVER UPPER RIDGE..WHICH IS SOUTH OF AREA AND AHEAD OF WEAKENING
TROUGH ON SUNDAY...MEANING GOOD CHANCES FOR RAIN AND STORMS CONTINUE
SUNDAY. PRECIPITATION SHOULD BE TAPERING OFF BY MONDAY AFTERNOON AS
STRONGER NORTHWESTERLY FLOW ALOFT SCOURS OUT UPPER LEVEL MOISTURE. A
LITTLE UNSETTLED AROUND MIDWEEK AS WEAK ZONAL FLOW ALOFT LEAVES
WEAKENING SURFACE RIDGE WITH RETURN FLOW OVER AREA. WENT PARTLY
CLOUDY WEDNESDAY. MORE PRONOUNCED NORTHWEST FLOW MOVING IN THURSDAY
AND FRIDAY OF NEXT WEEK SO CLEARING SKIES AND COOLER FALL-LIKE
PATTERN SETTING IN THEN.
PRELIM NUMBERS...
AUS 080 065/074 057/079 35522
DRT 078 064/075 059/078 88622
SAT 081 065/075 060/079 46622
.EWX...NONE.
02/18
Hazardous weather outlook, Oct 11, 5:44 AM CST, 4 hours 46 minutes before
TXZ171>173-183>194-202>209-217>225-228-121100-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
644 AM CDT SAT OCT 11 2003
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.
.DAY ONE...TODAY
A FLASH FLOOD WATCH IS IN EFFECT FOR THE WESTERN HALF OF SOUTH
CENTRAL TEXAS TODAY. HEAVY RAINFALL AMOUNTS OF 2 TO 3 INCHES IS
EXPECTED ACROSS WESTERN PARTS OF SOUTH CENTRAL TEXAS TODAY AS AN
APPROACHING STORM SYSTEM INTERACTS WITH ABUNDANT TROPICAL MOISTURE.
SOILS ACROSS MUCH OF SOUTH CENTRAL TEXAS REMAIN NEARLY SATURATED AND
WILL RESULT IN RAPID RUNOFF WHERE HEAVY RAINFALL OCCURS. THE FLASH
FLOOD WATCH MAY NEED TO BE EXTENDED FARTHER EAST BY TONIGHT AS AN
APPROACHING COLD FRONT HELPS SHIFT THE FOCUS FOR CONVECTION INTO THE
REST OF SOUTH CENTRAL TEXAS.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
THE CHANCE OF RAIN WILL REMAIN HIGH FOR THE REMAINDER OF THE
WEEKEND. A FLASH FLOOD WATCH MAY BE NECESSARY AS LOCALLY HEAVY
RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL REMAIN POSSIBLE OVER PARTS
OF SOUTH CENTRAL TEXAS. THE LOCATION AND AMOUNTS OF RAINFALL WILL BE
DETERMINED BY HOW FAST AND HOW FAR SOUTH THE COLD FRONT WILL PUSH.
THE THREAT OF HEAVY RAIN WILL LIKELY DECREASE BY LATE SUNDAY NIGHT.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.
Flash Flood, Val Verde
- When
- October 11, 10:30 AM CST to October 12, 12:30 AM CST
- Where
- Val Verde County, East Portion
- Property damage
- $50,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.893, -101.152 (the zone’s center; the record gives no point)
Showers and thunderstorms moving across the county from mid morning through the late evening produced general 2 to 3 inch totals over the eastern half of the county. Isolated totals to 5 inches were indicated near Del Rio. Roads in and around low water crossings were closed from the late morning into the mid and late afternoon over the northeast part of the county. Roads in and around the Del Rio area were closed from noon through midnight. Damages were generally confined to roads and bridges.
Flash Flood, Edwards
- When
- October 11, 1:00 PM CST to October 12, 12:30 AM CST
- Where
- Edwards County, Countywide
- Property damage
- $80,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.983, -100.305 (the zone’s center; the record gives no point)
As the showers and thunderstorms spread eastward across Edwards County, they produced general rain totals of 2 inches. The heaviest amounts were over the south and east parts of the county, where isolated totals of up to 5 inches were reported. The showers and thunderstorms continued to develop over the county through the evening and finally ended by late evening. Most county roads were closed due to flash flooding. US 377 was closed across much of the county for several hours, with up to six feet of water over the road in one place. Damages were mainly to roads and bridges.
Flash Flood, Kinney
- When
- October 11, 5:00 PM CST to October 12, 2:30 AM CST
- Where
- Kinney County, Countywide
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.350, -100.418 (the zone’s center; the record gives no point)
The showers and thunderstorms that developed first in Val Verde County re-intensified as they moved across Kinney County. The storms produced general 1 to 2 inch totals with isolated amounts to 4 inches near the Kinney-Maverick County line. Numerous roads were closed over the county from noon until past midnight. Minor damage was reported to roads.
Flash Flood, Kerr
- When
- October 11, 6:00 PM CST to 8:30 PM CST
- Where
- Kerr County, West Portion
- Property damage
- $20,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 30.062, -99.350 (the zone’s center; the record gives no point)
The showers and thunderstorms that had first developed in Val Verde County and had spread across Edwards County through the afternoon finally reached Kerr County in the early evening. They crossed the county in the evening hours, producing general 1 to 2 inch totals with isolated amounts to 4 inches between Hunt and Mountain Home. Numerous county roads were closed over the northern part of the county through the evening. Damage was reported to roads and bridges.
Flash Flood, Real
- When
- October 11, 6:30 PM CST to October 12, 2:30 AM CST
- Where
- Real County, Countywide
- Property damage
- $30,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.832, -99.822 (the zone’s center; the record gives no point)
Showers and thunderstorms spread from Edwards County into Real County in the late afternoon and continued until past midnight. The storms produced a general 1 inch rain across the county, with isolated amounts to 4 inches over the northern part of the county. Most county roads in the north half of the county were closed through the evening due to flash flooding. Widespread damage was reported to roads and bridges, mainly over the northern part of the county.
Flash Flood, Maverick
- When
- October 11, 7:30 PM CST to 10:00 PM CST
- Where
- Maverick County, North Portion
- Property damage
- $3,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.743, -100.314 (the zone’s center; the record gives no point)
The showers and thunderstorms that developed first in Val Verde County moved across Maverick County in the evening. They produced general 1 inch rain totals with isolated amounts to 4 inches near Quemado and along the Kinney-Maverick County line. Numerous roads were closed over the northern part of the county from noon until past midnight.
Flash Flood, Uvalde
- When
- October 11, 8:00 PM CST to October 12, 1:00 AM CST
- Where
- Uvalde County, West Portion
- Property damage
- $20,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 29.357, -99.762 (the zone’s center; the record gives no point)
As the showers and thunderstorms continued spreading eastward from Kinney County, they moved into Uvalde County in the early evening. The storms were most active in the western part of the county, where they produced general 1 inch rain amounts, with isolated totals to 3 inches. Several roads were closed by late evening and remained closed due to the flash flooding until past midnight. Damages were confined to roads in the western part of the county.
Flash Flood, Zavala
- When
- October 11, 11:30 PM CST to October 12, 3:00 AM CST
- Where
- Zavala County, Countywide
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.866, -99.761 (the zone’s center; the record gives no point)
The showers and thunderstorms began producing heavy rain in Zavala County in the late evening period, with general totals between 1 and 2 inches across the county. Isolated amounts of up to 5 inches were reported in the southeast corner of the county. Flash flooding began just before midnight CST and continued into the early morning hours.
Flash Flood, Dimmit
- When
- October 12, 12:30 AM CST to 3:00 AM CST
- Where
- Dimmit County, Countywide
- Property damage
- $30,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.423, -99.757 (the zone’s center; the record gives no point)
The showers and thunderstorms continued to spread to the south and east, crossing into Dimmit County just before midnight. The storms produced a general 1 to 2 inch rainfall over the county, with isolated totals in the southeast part of the county to 5 inches. Numerous roads were closed from near midnight into the early morning hours.
Flash Flood, Frio
- When
- October 12, 12:30 AM CST to 4:00 AM CST
- Where
- Frio County, Countywide
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.868, -99.108 (the zone’s center; the record gives no point)
Showers and thunderstorms developed in Frio County in the late night hours and continued into he early morning hours. The storms produced a general 1 to 2 inch rainfall over the county, with up to 4 inches along the extreme southern border with LaSalle County. The rainfall resulted in flash flooding that closed numerous roads across the county, and minor damage to the roads.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5336426, 5336427, 5336492, 5336493, 5336494, 5336495, 5371982, 5371983, 5371984, 5371985.