Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Brownsville, TX

March 10, 2016Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at Mar 10, 2016, 7:07 PM CST for Starr County, Texas. It was in force for 2 hr. 4 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: Mar 10, 2016, 7:07 PM CST (01:07 UTC)
Expired: Mar 10, 2016, 9:30 PM CST
In force: 2 hr
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

County Starr County, TX

The radar

The Brownsville radar (KBRO), 135 km from the middle of the area, began a volume at 01:08 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

Time	Report	Where	Remark
Mar 10, 7:38 PM CST	FLASH FLOOD	La Victoria, TX	US 83 UNDERPASS AT FM 2360 COMPLETELY BLOCKED DUE TO FLOODING. TRAFFIC BEING REROUTED.
Mar 10, 7:39 PM CST	FLASH FLOOD	Alto Bonito, TX	MOST OF CITY RECEIVING SIGNIFICANT STREET FLOODING
Mar 10, 8:15 PM CST	FLASH FLOOD	Alto Bonito, TX	STARR COUNTY SHERIFFS DEPARTMENT REPORTS ONE HOME IN DANGER OF BEING FLOODED ON FAMILIA STREET IN THE EL POSO COLONIA.
Mar 10, 8:41 PM CST	FLASH FLOOD	La Casita, TX	REPORTS OF A FEW HOUSES IN LOWER AREAS WITH ABOUT A FOOT OF WATER. SOME EVACUATIONS ONGOING.

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, 1.1 hours before the alert went out and 137 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 149 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 842 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: -122 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

154 
WGUS54 KBRO 110107
FFWBRO
TXC427-110230-
/O.NEW.KBRO.FF.W.0001.160311T0107Z-160311T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
707 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE  HAS ISSUED A

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

* UNTIL 830 PM CST

* AT 706 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS 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...
  SULLIVAN CITY...GARCIASVILLE...LA GRULLA...GRULLA MIDDLE SCHOOL...LA
  PUERTA...SANTA CRUZ...ALTO BONITO...LA VICTORIA...LAS LOMAS AND LA
  CASITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

5 follow-up statements

805 
WGUS74 KBRO 110146
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
746 PM CST THU MAR 10 2016

TXC427-110230-
/O.CON.KBRO.FF.W.0001.000000T0000Z-160311T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
746 PM CST THU MAR 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
SOUTH CENTRAL STARR COUNTY...

AT 739 PM CST...THE STARR COUNTY SHERIFFS DEPARTMENT REPORTED THAT 
THE US HIGHWAY 83 UNDERPASS AT FM 2360 IS COMPLETELY BLOCKED DUE TO 
FLOODING AND THAT TRAFFIC IS BEING REROUTED. THE DEPARTMENT ALSO 
REPORTED THAT MOST OF ALTO BONITO IS EXPERIENCING SIGNIFICANT 
STREET FLOODING AND THAT AN ESTIMATED 3 TO 5 INCHES OF RAIN HAS
FALLEN IN THE WARNED AREA SO FAR. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SULLIVAN CITY...GARCIASVILLE...LA GRULLA...GRULLA MIDDLE SCHOOL...LA
PUERTA...SANTA CRUZ...ALTO BONITO...LA VICTORIA...LAS LOMAS AND LA
CASITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

620 
WGUS74 KBRO 110219
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
819 PM CST THU MAR 10 2016

TXC427-110230-
/O.CON.KBRO.FF.W.0001.000000T0000Z-160311T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
819 PM CST THU MAR 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
SOUTH CENTRAL STARR COUNTY...

AT 817 PM CST...THE STARR COUNTY SHERIFFS DEPARTMENT REPORTED ONE 
HOME IN DANGER OF BEING FLOODED ON FAMILIA STREET IN THE EL POSO 
COLONIA NEAR ALTO BONITO. THREE TO FIVE INCHES OF RAIN HAVE FALLEN 
WITHIN THE WARNED AREA. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SULLIVAN CITY...GARCIASVILLE...LA GRULLA...GRULLA MIDDLE SCHOOL...LA
PUERTA...SANTA CRUZ...ALTO BONITO...LA VICTORIA...LAS LOMAS AND LA
CASITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

663 
WGUS54 KBRO 110224
FFWBRO
TXC427-110330-
/O.EXT.KBRO.FF.W.0001.000000T0000Z-160311T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
824 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE  HAS EXTENDED THE

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

* UNTIL 930 PM CST

* AT 822 PM CST...THE STARR COUNTY SHERIFFS DEPARTMENT REPORTED 
  THREE TO FIVE INCHES OF RAIN HAS FALLEN WITHIN THE WARNED AREA
  FROM RECENT THUNDERSTORMS. ALTHOUGH CONDITIONS ARE IMPROVING
  ...FLASH FLOODING CONTINUES IN THE VICINITY OF ALTO BONITO AND
  AT THE US HIGHWAY 83 UNDERPASS AT FM 2360. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SULLIVAN CITY...GARCIASVILLE...LA GRULLA...GRULLA MIDDLE SCHOOL...LA
  PUERTA...SANTA CRUZ...ALTO BONITO...LA VICTORIA...LAS LOMAS AND LA
  CASITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

998 
WGUS74 KBRO 110246
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
846 PM CST THU MAR 10 2016

TXC427-110330-
/O.CON.KBRO.FF.W.0001.000000T0000Z-160311T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
846 PM CST THU MAR 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CST FOR
SOUTH CENTRAL STARR COUNTY...

AT 842 PM CST...THE LA CASITA FIRE DEPARTMENT REPORTED SEVERAL 
HOUSES IN LOWER AREAS OF LA CASITA WITH ABOUT A FOOT OF WATER 
INSIDE THE STRUCTURES AND THAT EVACUATIONS ARE ONGOING. THREE 
TO FIVE INCHES OF RAIN HAS FALLEN WITHIN THE WARNED AREA AND 
FLASH FLOODING IS ALREADY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SULLIVAN CITY...GARCIASVILLE...LA GRULLA...GRULLA MIDDLE SCHOOL...LA
PUERTA...SANTA CRUZ...ALTO BONITO...LA VICTORIA...LAS LOMAS AND LA
CASITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

095 
WGUS74 KBRO 110326
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
926 PM CST THU MAR 10 2016

TXC427-110335-
/O.EXP.KBRO.FF.W.0001.000000T0000Z-160311T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
926 PM CST THU MAR 10 2016

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL STARR COUNTY WILL EXPIRE
AT 930 PM CST...

THE HEAVY RAIN HAS ENDED. FLOOD WATERS ARE RECEDING. FLOODING IS 
NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 2624 9868 2626 9868 2627 9872 2628 9870
      2629 9871 2629 9872 2630 9873 2630 9875
      2631 9875 2631 9874 2633 9875 2633 9877
      2658 9880 2662 9863 2633 9855 2626 9859
      2625 9862 2626 9862 2624 9864

$$

TOMASELLI

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 6:03 PM CST	Special Weather Statement	BRO	Brooks	42 min
Mar 10, 6:12 PM CST	Special Weather Statement	BRO	Starr	48 min
Mar 10, 6:43 PM CST	Areal Flood Advisory	BRO	Starr	62 min
Mar 10, 6:46 PM CST	Special Weather Statement	BRO	Starr	44 min
Mar 10, 7:55 PM CST	Areal Flood Advisory	BRO	Hidalgo, Starr	95 min

Nearby

Flash Flood Warnings in Texas, 2016 Every flash flood warning in 2016

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.