Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 13, NWS Brownsville, TX

May 11, 2015Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at May 11, 2015, 9:32 PM CDT for Starr County, Texas. It was in force for 3 hr. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 11, 2015, 9:32 PM CDT (02:32 UTC)
Expired
May 12, 2015, 12:30 AM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Emergency
Flash flood emergency
Flood severity
None

County Starr County, TX

The radar

The Brownsville radar (KBRO), 143 km from the middle of the area, began a volume at 02:32 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.

What was reported inside it

TimeReportWhereRemark
May 11, 9:55 PM CDTFLASH FLOODRio Grande City, TXSTARR COUNTY SHERIFFS OFFICE REPORTS 6 INCHES OF WATER ON CROCKETT STREET IN RIO GRANDE CITY. ALSO RESIDENCE ON CHAPOTITO ROAD HAS 5 TO 6 INCHES OF WATER INSIDE THE BUILDING.
May 11, 10:26 PM CDTFLASH FLOODRio Grande City, TXSTARR COUNTY SHERIFFS OFFICE REPORTS JUVENILE DETENTION CENTER AT INTERSECTION OF BRITTON AVENUE AND HIGHWAY 83 HAS 6 INCHES OF WATER IN BUILDING.
May 11, 10:28 PM CDTFLASH FLOODRio Grande City, TXSTARR COUNTY SHERIFFS OFFICE REPORTS 3 FEET OF WATER ON HIGHWAY 83 NEAR ALVAREZ ROAD.
May 11, 10:42 PM CDTFLASH FLOODRio Grande City, TXSTARR COUNTY SHERIFFS OFFICE REPORTS 6 TO 8 INCHES OF WATER ON HIGHWAY 83 IN RIO GRANDE CITY IN FRONT OF WALMART.
May 11, 11:09 PM CDTFLASH FLOODLa Casita, TXLA CASITA FIRE DEPARTMENT REPORTS WIDESPREAD 3 TO 4 FEET OF WATER ON HIGHWAY 83 BETWEEN LA CASITA AND RIO GRANDE CITY. WATER UP TO THE ENGINE ON FIRE DEPARTMENT VEHICLE.
May 11, 11:15 PM CDTFLASH FLOOD1 S Las Lomas, TXCAR WAS REPORTED FLOATING IN 3 TO 4 FEET OF MOVING WATER IN THE LAS LOMAS AREA. WATER RESCUE WAS IN PROGRESS.
May 11, 11:15 PM CDTFLASH FLOOD1 S Las Lomas, TXROAD WAS REPORTED CLOSED AT THE INTERSECTION OF US 83 AND EMBASSY STREET IN THE LAS LOMAS AREA.
May 11, 11:15 PM CDTFLASH FLOOD1 W Las Lomas, TX3 FEET OF WATER WAS REPORTED IN FRONT OF WALMART IN THE LAS LOMAS AREA ALONG HIGHWAY 83.
May 12, 12:25 AM CDTFLASH FLOOD2 E Rio Grande City, TXFAMILY RESCUED FROM HOME AMID AROUND 4 FEET OF RUSHING WATER FLOWING DOWN THE STREET EN ROUTE TO THE LOS OLMOS CREEK.
May 12, 12:30 AM CDTFLASH FLOOD3 E Rio Grande City, TXSEVERAL SOCIAL MEDIA POSTS WITH WATER 3 TO 6 INCHES DEEP IN HOMES IN SOUTHEASTERN STARR COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 2.5 hours before the alert went out and 145 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, Brownsville Intl, TX at 00:00Z on 2015-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3756 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, Brownsville Intl, TX at 00:00Z on 2015-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
3756 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
641 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

838 
WGUS54 KBRO 120232
FFWBRO
TXC427-120530-
/O.NEW.KBRO.FF.W.0013.150512T0232Z-150512T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
932 PM CDT MON MAY 11 2015

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STARR COUNTY IN DEEP SOUTH TEXAS...

* UNTIL 1230 AM CDT
    
* AT 932 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  RIO GRANDE CITY...EL SAUZ...LA ROSITA...STARR COUNTY SHERIFFS
  OFFICE...RIO GRANDE CITY FIRE DEPARTMENT...RIO GRANDE CITY
  LIBRARY...RINGGOLD MIDDLE SCHOOL...ROMA CITY POLICE DEPARTMENT...
  SULLIVAN CITY...LA GRULLA...ESCOBARES...GARCIASVILLE...RIO GRANDE
  CITY--ROMA...SANTA CRUZ...NORTH ESCOBARES...LOS ALVAREZ...SAN
  ISIDRO...ALTO BONITO...ROMA PARK AND RIO GRANDE CITY MUNICIPAL
  AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 2669 9883 2678 9832 2626 9859 2625 9862
      2626 9862 2624 9867 2626 9868 2627 9872
      2628 9870 2629 9871 2630 9875 2631 9874
      2633 9875 2633 9879 2637 9880 2635 9890
      2639 9893 2637 9895 2640 9896 2639 9901

$$

TOMASELLI
3 follow-up statements
392 
WGUS74 KBRO 120343
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1043 PM CDT MON MAY 11 2015

TXC427-120530-
/O.CON.KBRO.FF.W.0013.000000T0000Z-150512T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
1043 PM CDT MON MAY 11 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
STARR COUNTY...

AT 1039 PM CDT...LOCAL LAW ENFORCEMENT REPORTED HEAVY RAIN AND 
FLOODING IN RIO GRANDE CITY DUE TO A THUNDERSTORM. 3 TO 5 INCHES OF 
RAIN OVER RIO GRANDE CITY HAS PRODUCED UP TO 12 INCHES OF WATER OVER 
HIGHWAY 83. FLASH FLOODING IS OCCURRING THIS IS VERY DANGEROUS 
SITUATION. TRAVEL IN THE AREA IS HIGHLY DISCOURAGED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
RIO GRANDE CITY...EL SAUZ...LA ROSITA...STARR COUNTY SHERIFFS
OFFICE...RIO GRANDE CITY FIRE DEPARTMENT...RIO GRANDE CITY LIBRARY...
RINGGOLD MIDDLE SCHOOL...ROMA CITY POLICE DEPARTMENT...SULLIVAN
CITY...LA GRULLA...ESCOBARES...GARCIASVILLE...RIO GRANDE
CITY--ROMA...SANTA CRUZ...NORTH ESCOBARES...LOS ALVAREZ...SAN
ISIDRO...ALTO BONITO...ROMA PARK AND RIO GRANDE CITY MUNICIPAL
AIRPORT.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 2669 9883 2678 9832 2626 9859 2625 9862
      2626 9862 2624 9867 2626 9868 2627 9872
      2628 9870 2629 9871 2630 9875 2631 9874
      2633 9875 2633 9879 2637 9880 2635 9890
      2639 9893 2637 9895 2640 9896 2639 9901

$$

GB
634 
WGUS74 KBRO 120414
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1114 PM CDT MON MAY 11 2015

TXC427-120530-
/O.CON.KBRO.FF.W.0013.000000T0000Z-150512T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
1114 PM CDT MON MAY 11 2015

...FLASH FLOOD EMERGENCY FOR SOUTHEASTERN STARR COUNTY...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
STARR COUNTY...

AT 1112 PM CDT...THREE TO FOUR FEET OF WATER WAS REPORTED ACROSS 
HIGHWAY 83 FROM BETWEEN RIO GRANDE AND LA CASITA. RADAR ESTIMATES UP 
TO FIVE INCHES OF RAIN HAS FALLEN SINCE 900 PM IN SOUTHEASTERN STARR 
COUNTY. HEAVY RAINFALL IS REDEVELOPING. SIGNIFICANT AND LIFE 
THREATENING FLASH FLOODING IS OCCURING OR IMMINENT.

THIS IS A FLASH FLOOD EMERGENCY FOR RIO GRANDE 
CITY...GARCIASVILLE...LA CASITA...AND HIGHWAY 83 BETWEEN RIO GRANDE 
CITY AND THE STARR/HIDALGO COUNTY LINE. SEEK HIGHER GROUND NOW!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... RIO GRANDE 
CITY...EL SAUZ...LA ROSITA...SULLIVAN CITY...LA 
GRULLA...ESCOBARES...GARCIASVILLE...SANTA CRUZ...NORTH 
ESCOBARES...LOS ALVAREZ...SAN ISIDRO...ALTO BONITO...ROMA PARK AND 
RIO GRANDE CITY MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 2669 9883 2678 9832 2626 9859 2625 9862
      2626 9862 2624 9867 2626 9868 2627 9872
      2628 9870 2629 9871 2630 9875 2631 9874
      2633 9875 2633 9879 2637 9880 2635 9890
      2639 9893 2637 9895 2640 9896 2639 9901

$$

JGG/GB
670 
WGUS74 KBRO 120451
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1151 PM CDT MON MAY 11 2015

TXC427-120530-
/O.CON.KBRO.FF.W.0013.000000T0000Z-150512T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
1151 PM CDT MON MAY 11 2015

...THIS IS A FLASH FLOOD EMERGENCY FOR SOUTHEASTERN STARR COUNTY...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
STARR COUNTY...

AT 1147 PM CDT...WATER RESCUES WERE OCCURRING IN SOUTHEASTERN STARR 
COUNTY...INCLUDING RIO GRANDE CITY. INDIVIDUALS HAVE BEEN RESCUED 
FROM THEIR HOMES AND VEHICLES. OVER TWO FEET OF WATER IS OVER 
HIGHWAY 83 IN SOUTHEASTERN STARR COUNTY. WATER HAS ENTERED HOMES AND 
BUSINESSES THROUGHOUT THE AREA. FIVE TO SIX INCHES OF RAIN HAS 
FALLEN AND ADDITIONAL MODERATE TO HEAVY RAINFALL IS EXPECTED.

IF YOU ARE TRAPPED BY FLOOD WATERS AND NEED HELP. CALL 9 1 1.

THIS IS A FLASH FLOOD EMERGENCY FOR RIO GRANDE 
CITY...GARCIASVILLE...LA CASITA...AND HIGHWAY 83 BETWEEN RIO GRANDE 
CITY AND THE STARR/HIDALGO COUNTY LINE.!

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... RIO GRANDE 
CITY...EL SAUZ...LA ROSITA...SULLIVAN CITY...LA 
GRULLA...ESCOBARES...GARCIASVILLE...SANTA CRUZ...NORTH 
ESCOBARES...LOS ALVAREZ...SAN ISIDRO...ALTO BONITO...ROMA PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 2669 9883 2678 9832 2626 9859 2625 9862
      2626 9862 2624 9867 2626 9868 2627 9872
      2628 9870 2629 9871 2630 9875 2631 9874
      2633 9875 2633 9879 2637 9880 2635 9890
      2639 9893 2637 9895 2640 9896 2639 9901

$$

JGG

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 7:18 PM CDTAreal Flood AdvisoryBROBrooks117 min
May 11, 7:46 PM CDTSevere Thunderstorm WarningBROBrooks44 min
May 11, 7:56 PM CDTFlash Flood WarningBROBrooks2 hr
May 11, 8:07 PM CDTSevere Thunderstorm WarningBROHidalgo, Starr23 min
May 11, 8:27 PM CDTSevere Thunderstorm WarningBROHidalgo33 min
May 11, 8:30 PM CDTSevere Thunderstorm WarningBROBrooks30 min
May 11, 8:50 PM CDTAreal Flood AdvisoryBROBrooks, Hidalgo, Starr115 min
May 11, 8:56 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo64 min
May 11, 9:05 PM CDTAreal Flood AdvisoryBROStarr115 min
May 11, 9:14 PM CDTSpecial Weather StatementBROStarr61 min
May 11, 9:23 PM CDTFlash Flood WarningBROBrooks112 min
May 11, 9:34 PM CDTSevere Thunderstorm WarningBROHidalgo41 min
May 11, 9:48 PM CDTFlash Flood WarningBROHidalgo3 hr
May 11, 9:49 PM CDTSevere Thunderstorm WarningBROStarr41 min
May 11, 10:30 PM CDTSevere Thunderstorm WarningBROStarr45 min
May 11, 10:52 PM CDTSpecial Weather StatementBROHidalgo38 min
May 11, 11:41 PM CDTSevere Thunderstorm WarningBROHidalgo49 min
May 11, 11:48 PM CDTFlash Flood WarningBROHidalgo3 hr
May 12, 12:09 AM CDTSevere Thunderstorm WarningBROHidalgo51 min
May 12, 12:24 AM CDTFlash Flood Warning EmergencyBROStarr3 hr
May 12, 12:50 AM CDTFlash Flood WarningBROHidalgo115 min
May 12, 12:56 AM CDTSpecial Weather StatementBROStarr49 min
May 12, 12:58 AM CDTSpecial Weather StatementBROHidalgo47 min
May 12, 1:11 AM CDTFlash Flood WarningBROBrooks, Jim Hogg3 hr
May 12, 1:13 AM CDTSevere Thunderstorm WarningBROCameron, Hidalgo47 min
May 12, 1:36 AM CDTSevere Thunderstorm WarningBROCameron, Willacy39 min
May 12, 1:40 AM CDTAreal Flood AdvisoryBROCameron, Willacy2 hr
May 12, 2:00 AM CDTSpecial Marine WarningBRO2 hr
May 12, 2:07 AM CDTFlash Flood WarningBROBrooks113 min
May 12, 2:22 AM CDTSpecial Weather StatementBROBrooks38 min
May 12, 2:25 AM CDTSpecial Weather StatementBROCameron65 min
May 12, 3:35 AM CDTSpecial Marine WarningBRO85 min
May 12, 3:41 AM CDTAreal Flood AdvisoryBROHidalgo, Starr6 hr
May 12, 3:49 AM CDTAreal Flood WarningBROBrooks6 hr
May 12, 4:58 AM CDTSpecial Marine WarningBRO62 min
May 12, 5:56 AM CDTAreal Flood AdvisoryBROKenedy, Willacy2 hr

Nearby

Flash Flood Warnings in Texas, 2015Every flash flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.