Alert archive / Texas / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Brownsville, TX

May 28, 2014Hidalgo County, Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at May 28, 2014, 4:08 PM CDT for Hidalgo County, Starr County, Texas. It was in force for 82 min. 2 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 28, 2014, 4:08 PM CDT (21:08 UTC)
Expired: May 28, 2014, 5:30 PM CDT
In force: 82 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

Counties Hidalgo County, TX, Starr County, TX

The radar

The Brownsville radar (KBRO), 116 km from the middle of the area, began a volume at 21:11 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
May 28, 4:30 PM CDT	FLOOD	La Joya, TX	FLOODING REPORTED NEAR GARZA AVENUE AND MILITARY HIGHWAY
May 28, 4:30 PM CDT	HEAVY RAIN 3.24	La Joya, TX	HEAVY RAIN AND STREET FLOODING NEAR COYOTE DRIVE AND EXPRESSWAY 83

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 12:00Z, 9.1 hours before the alert went out and 119 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: 1349 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

419 
WGUS54 KBRO 282108
FFWBRO
TXC215-427-282230-
/O.NEW.KBRO.FF.W.0002.140528T2108Z-140528T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
408 PM CDT WED MAY 28 2014

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL HIDALGO COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITY OF LOS EBANOS.

  SOUTH CENTRAL STARR COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 530 PM CDT

* AT 407 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS            
  INDICATED TORRENTIAL RAINFALL OF OVER THREE INCHES INCHES FROM     
  SLOW MOVING THUNDERSTORMS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR.

  OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CUEVITAS...
  LA GRULLA...LA JOYA...PENITAS AND SULLIVAN CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
MOVE TO HIGHER GROUND NOW. RESIDENTS LIVING ALONG STREAMS AND
ARROYOS...SHOULD TAKE PRECAUTIONS NOW TO PROTECT LIFE AND PROPERTY.
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN
DEPTH... BY FOOT OR BY AUTOMOBILE.

EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND
INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE
THROUGH FLOODED ROADS!

DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN!

&&

LAT...LON 2620 9845 2622 9845 2621 9847 2620 9848
      2621 9851 2622 9851 2623 9855 2622 9857
      2624 9859 2625 9859 2625 9862 2623 9866
      2624 9868 2639 9861 2631 9837 2619 9843

$$

55

1 follow-up statement

171 
WGUS74 KBRO 282228
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
528 PM CDT WED MAY 28 2014

TXC215-427-282243-
/O.EXP.KBRO.FF.W.0002.000000T0000Z-140528T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO TX-STARR TX-
528 PM CDT WED MAY 28 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTH CENTRAL STARR
AND WEST CENTRAL HIDALGO COUNTIES WILL BE ALLOWED TO EXPIRE AT 530 PM
CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED. WATER LEVELS HAVE RECEDED OR
WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS
BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT
AGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN!

&&

LAT...LON 2620 9845 2622 9845 2621 9847 2620 9848
      2621 9851 2622 9851 2623 9855 2622 9857
      2624 9859 2625 9859 2625 9862 2623 9866
      2624 9868 2639 9861 2631 9837 2619 9843

$$

55

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:40 PM CDT	Severe Thunderstorm Warning	BRO	Brooks, Kenedy	50 min
May 27, 7:47 PM CDT	Areal Flood Advisory	BRO	Brooks, Kenedy	58 min
May 27, 7:51 PM CDT	Tornado Warning	BRO	Brooks, Kenedy	24 min
May 27, 8:12 PM CDT	Tornado Warning	BRO	Brooks, Kenedy	48 min
May 27, 8:49 PM CDT	Areal Flood Advisory	BRO	Brooks	56 min
May 28, 2:25 PM CDT	Special Marine Warning	BRO		65 min
May 28, 3:00 PM CDT	Special Marine Warning	BRO		60 min
May 28, 3:23 PM CDT	Areal Flood Advisory	BRO	Hidalgo, Starr	67 min
May 28, 3:30 PM CDT	Special Marine Warning	BRO		60 min
May 28, 3:41 PM CDT	Severe Thunderstorm Warning	BRO	Cameron	64 min
May 28, 3:51 PM CDT	Special Marine Warning	BRO		54 min
May 28, 4:00 PM CDT	Tornado Warning	BRO	Cameron	30 min
May 28, 4:13 PM CDT	Areal Flood Advisory	BRO	Hidalgo	62 min
May 28, 4:21 PM CDT	Tornado Warning	BRO	Cameron	24 min
May 28, 4:36 PM CDT	Severe Thunderstorm Warning	BRO	Cameron	39 min
May 28, 4:42 PM CDT	Areal Flood Advisory	BRO	Cameron	93 min
May 28, 4:44 PM CDT	Severe Thunderstorm Warning	BRO	Cameron	31 min
May 28, 5:01 PM CDT	Flash Flood Warning	BRO	Cameron	89 min
May 28, 6:28 PM CDT	Areal Flood Advisory	BRO	Cameron	62 min

Nearby

Flash Flood Warnings in Texas, 2014 Every flash flood warning in 2014

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.