Texas, 2006

Flash Flood in Texas, September 12, 2006

September 12, 2006 · NWS BRO · 1 event in 1 county or zone

1 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 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

The toll

Deaths
0
Injuries
0
Property damage
$5,000
Crop damage
None recorded
Events
1

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 Brownsville, TX wrote its last area forecast discussion before the first event at Sep 12, 7:15 AM CST, 15 minutes earlier.

Area forecast discussion, Sep 12, 7:15 AM CST, 15 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
815 AM CDT TUE SEP 12 2006

.UPDATE...DOPPLER ESTIMATES OF 1 TO 3 INCHES OF RAINFALL OVER WRN
ZONES ALONG WITH REPORT OF 2.5 INCHES OVER ZAPATA COUNTY PROMPTED
ISSUANCE OF A FLASH FLOOD WATCH THROUGH THIS EVENING.
&&

.DISCUSSION...MCS THAT DEVELOPED IN MEXICO CONTINUES TO PRODUCE RA
OVER WRN ZONES THIS AM. RADAR ESTIMATES OF 2 TO 5 INCHES OF RAINFALL
OVER ZAPATA AND STARR COUNTIES PROMPTED FLASH FLOOD WARNING THIS
MORNING. SATELLITE TRENDS DEPICT WARMING CLOUD TOPS AND RADAR DATA
SHOWS GRADUAL WEAKENING OF MCS. SFC ANALYSIS SHOWS DEWPOINTS IN THE
MID 70S ADVECTING INLAND SO WILL CONTINUE TO SEE CHC POPS OVER ERN
AND LKLY POPS OVER WRN ZONES. A WEAK COLD FRONT WILL MOVE INTO DEEP
SOUTH TEXAS BY WEDNESDAY BEFORE BECOMING STATIONARY OVER THE CWA OR
JUST SOUTH OF THE CWA. ISSUED UPDATED ZONES EARLIER TO ADJUST/CLEAN
UP POP...WX...SKY AND QPF FIELDS.
&&

.MARINE...PRETTY BENIGN CONDITIONS CONTINUE FOR THE LOWER TEXAS GULF
WATERS AS A LIGHT SE SURFACE FLOW CONTINUES.  MWS/SMW STATEMENTS MAY
BE NEEDED LATER TODAY AS CONVECTION CONTINUES TO BUILD TOWARDS THE
COASTLINE.  NO SCAS NEEDED AT THIS MOMENT.
&&

.AVIATION...LINGERING MCS OVER THE WESTERN PORTIONS OF THE CWA
APPEARS TO BE BUILDING EAST FIRING OFF ADDITIONAL CONV NEAR THE MFE
AIRPORT THIS MORNING REDUCING VSBYS AND CIGS HERE.  NOWCAST TRENDS
WILL LIKELY BRING THIS AREA FURTHER EAST TOWARDS THE HRL AND BRO
AREAS LATER THIS MORNING INTO THIS AFTERNOON. SO WILL BEEF UP THE
WORDING FOR POTENTIAL CONVECTION FOR ALL THREE TAFS INTO THE
AFTERNOON HOURS.
&&

.PREV DISCUSSION...ISSUED AT 230 AM CDT TUE SEP 12
2006...RAINDROPS KEEP FALLING ON MY HEAD...THAT SEEMS TO BE THE
THEME AROUND DEEP SOUTH TEXAS THIS WEEK. THE GFS KEEPS PROMISING
RAIN...BUT IN REALITY IT SEEMS TO BE HIT AND MISS WITH A MORE
SCATTERED COVERAGE...AND IN DIFFERING AREAS. NONETHELESS...WILL KEEP
THE CHANCES GOING...BUT STILL LIKE THE NAM OUTPUT BETTER THAN THE
GFS. THE NAM SEEMS TO GET THE AREAS RIGHT...AND THE CHANCES SEEM TO
BE IN THE BALL PARK BETTER THAN THE GFS. IN EITHER CASE HOWEVER...A
SHOWERY REGIME IS IN PLACE AND SO WILL CONTINUE THE CHANCES...
INCLUDING THE MENTION OF LOCALLY HEAVY RAINFALL TODAY. THE LOW LEVEL
SOUTHEAST FLOW VEERING TO SOUTHWEST ALOFT...WITH A WEAK SHEAR
PROFILE UNDER MID LEVEL RIDGING AND AMPLE ATMOSPHERIC MOISTURE SEEMS
TO BE A GOOD RECIPE FOR MORE RAIN TODAY.

AN APPROACHING COLD FRONT SHOULD LEAVE US ALONE FOR THE MOST PART
TODAY...AS IT WILL STILL BE NORTH OF THE AREA...ALTHOUGH IT MIGHT
GET CLOSE ENOUGH TO THE CWA THIS EVENING TO HELP KEEP CONVECTION
GOING OVER THE WESTERN SECTIONS LATER INTO THE NIGHT. FOR THIS
REASON I HAVE INCREASED POPS OUT WEST TONIGHT. SUBSEQUENT SHIFTS CAN
DECIDE IF THEY WANT TO ADD LOCALLY HEAVY RAINFALL TO THE ZONE
WORDING FOR THE WESTERN SECTIONS...ZAPATA COUNTY...OVERNIGHT.

THE FRONT SHOULD BE WELL INTO THE CWA ON WEDNESDAY...BUT THE WEAK
PUSH...COMBINED WITH CONTINUED MIDLEVEL CLOUDINESS FROM THE
SOUTHWEST TO SCREEN GOOD INSOLATION...WILL NOT AID IN SIGNIFICANT
RAIN PRODUCTION. THAT WILL ACTUALLY HAVE TO WAIT UNTIL THE FRONT
PUSHES A LITTLE BEYOND THE AREA INTO THE GULF OF MEXICO. COPIOUS
RAINS IN THE GULF COULD REVERSE AND MOVE INTO SOUTHERN SECTIONS OF
DEEP SOUTH TEXAS ON THURSDAY. THE GFS THEN DEPICTS THE FORMATION OF
A COASTAL TROUGH ON FRIDAY...MAKING IT A POTENTIALLY BIG RAIN DAY
FOR SOUTHEASTERN AND COASTAL DEEP SOUTH TEXAS. WAS A LITTLE CAUTIOUS
WITH THE HIGH GFS RAIN OUTPUT HOWEVER...AND TRIMMED IT BACK QUITE A
BIT...BUT RAIN CHANCES WILL STILL BE ROBUST FOR FRIDAY.

AFTER FRIDAY...CONDITIONS SHOULD RECOVER SOMEWHAT...BUT WITH A MOIST
SOUTHEAST FLOW DUE TO HIGH PRESSURE DOMINATING MUCH OF THE GULF AND
EXTENDING INTO THE WEST GULF...SHOWERS WILL STILL BE POSSIBLE.

ANOTHER FRONT MOVES SOUTH OUT OF THE CENTRAL PLAINS ON SUNDAY...OUT
AHEAD OF A LARGE STORM SYSTEM MOVING EAST ACROSS THE CENTRAL AND
NORTHERN PLAINS. THIS FRONT SHOWS HINTS OF REACHING DEEP SOUTH TEXAS
AS WELL...BUT SOMETIME AROUND THE MIDDLE OF NEXT WEEK.
&&

.BRO WATCHES/WARNINGS/ADVISORIES...FFA 248>257 THROUGH 9 PM CDT.
&&

55/60/ABBOTT

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT:
HTTP://WWW.SRH.NOAA.GOV/BRO
Hazardous weather outlook, Sep 12, 7:20 AM CST, 10 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
820 AM CDT TUE SEP 12 2006

TXZ248>257-131100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
820 AM CDT TUE SEP 12 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...REST OF TODAY AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT THROUGH THIS EVENING FOR ALL OF
DEEP SOUTH TEXAS. SCATTERED TO NUMEROUS THUNDERSTORMS WITH LOCALLY
HEAVY RAIN ARE EXPECTED THROUGH THIS EVENING AS AN UPPER LEVEL
DISTURBANCE MOVES OVER THE REGION. RAINFALL AMOUNTS OF 2 TO 4 INCHES
WILL BE COMMON OVER PORTIONS OF DEEP SOUTH TEXAS WITH LOCALLY HIGHER
AMOUNTS OF 3 TO 5 INCHES POSSIBLE THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE PERIOD...WITH
LIGHTNING AND THE POTENTIAL FOR LOCALIZED FLOODING BEING THE PRIMARY
HAZARDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY AND TONIGHT.

SPEECE

The radar

The Brownsville radar (KBRO), 150 km away, was scanning. The volume nearest the first event began at 13:27 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Starr

When
September 12, 7:30 AM CST to 8:30 AM CST
Where
Starr County, Roma
Property damage
$5,000
Reported by
GOVT OFFICIAL
Coordinates
26.562, -98.738 (the zone’s center; the record gives no point)

City officials in Roma reported flash flooding in the Roma Creek with produced damage to the home of one resident in the area.

What these are

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.

The same day elsewhere

More

Every storm in Texas in 2006Every state in 2006This day in weather historyWarnings in Texas, September 2006

Sources

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: 5533528.