Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 6, NWS Brownsville, TX

May 29, 2017Brooks County, Hidalgo County, Starr County, Texas

NWS Brownsville, TX issued this flash flood warning at May 29, 2017, 1:43 AM CDT for Brooks County, Hidalgo County, Starr County, Texas. It was in force for 92 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 29, 2017, 1:43 AM CDT (06:43 UTC)
Expired
May 29, 2017, 3:15 AM CDT
In force
92 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Flood severity
None

Counties Brooks County, TX, Hidalgo County, TX, Starr County, TX

The radar

The Brownsville radar (KBRO), 139 km from the middle of the area, began a volume at 06:43 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 29, 1:53 AM CDTFLASH FLOODRio Grande City, TXRIO GRANDE CITY POLICE DEPARTMENT REPORTS FLOODING ON EMBASSY STREET....LA LOMA...AND AT THE INTERSECTION OF MAIN AND WASHINGTON. DEPTH OF WATER UNKNOWN AT THIS TIME.
May 29, 2:07 AM CDTFLASH FLOODFalfurrias, TXFALFURRIAS FIRE DEPARTMENT REPORTS FLOODING ON NOBLE STREET AND AT THE INTERSECTION OF ST MARYS AND BENNETT. WATER DEPTH ON NOBLE STREET 18 INCHES.

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, 6.7 hours before the alert went out and 141 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 2017-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3968 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
3968 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

205 
WGUS54 KBRO 290643
FFWBRO
TXC047-215-427-290815-
/O.NEW.KBRO.FF.W.0006.170529T0643Z-170529T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
143 AM CDT MON MAY 29 2017

The National Weather Service in Brownsville has issued a

* Flash Flood Warning for...
  Northwestern Hidalgo County in Deep South Texas...
  Eastern Starr County in Deep South Texas...
  Brooks County in Deep South Texas...

* Until 315 AM CDT

* At 142 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Three to five inches of rain 
  have already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Rio Grande City, Falfurrias, Sullivan City, Encino, Garciasville,
  Rachal, Mccook, La Grulla, Puerto Rico and La Victoria.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2726 9799 2677 9799 2626 9858 2624 9867
      2637 9880 2635 9890 2639 9893 2637 9895
      2638 9895 2678 9842 2726 9843

$$

TOMASELLI
1 follow-up statement
169 
WGUS74 KBRO 290808
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
308 AM CDT MON MAY 29 2017

TXC047-215-427-290818-
/O.EXP.KBRO.FF.W.0006.000000T0000Z-170529T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hidalgo TX-Starr TX-Brooks TX-
308 AM CDT MON MAY 29 2017

...THE FLASH FLOOD WARNING FOR NORTHWESTERN HIDALGO...EASTERN STARR
AND BROOKS COUNTIES WILL EXPIRE AT 315 AM CDT...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 2726 9799 2677 9799 2626 9858 2624 9867
      2637 9880 2635 9890 2639 9893 2637 9895
      2638 9895 2678 9842 2726 9843

$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 10:43 PM CDTSpecial Weather StatementBROZapata62 min
May 28, 11:14 PM CDTAreal Flood AdvisoryBROZapata91 min
May 28, 11:25 PM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata65 min
May 28, 11:41 PM CDTSevere Thunderstorm WarningBROJim Hogg, Starr, Zapata64 min
May 28, 11:49 PM CDTFlash Flood WarningBROZapata86 min
May 29, 12:16 AM CDTAreal Flood AdvisoryBROJim Hogg, Starr89 min
May 29, 12:23 AM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Jim Hogg, Starr52 min
May 29, 12:37 AM CDTFlash Flood WarningBROJim Hogg, Starr, Zapata83 min
May 29, 12:43 AM CDTSevere Thunderstorm WarningBROBrooks, Jim Hogg, Kenedy62 min
May 29, 1:03 AM CDTAreal Flood AdvisoryBROBrooks, Starr87 min
May 29, 1:16 AM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy, Starr, Willacy59 min
May 29, 1:27 AM CDTSpecial Weather StatementBROStarr48 min
May 29, 1:43 AM CDTSevere Thunderstorm WarningBROBrooks, Kenedy62 min
May 29, 2:08 AM CDTSpecial Weather StatementBROWillacy52 min
May 29, 2:24 AM CDTSpecial Weather StatementBROHidalgo36 min
May 29, 2:35 AM CDTSpecial Marine WarningBRO85 min
May 29, 2:45 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy90 min
May 29, 2:47 AM CDTSpecial Weather StatementBROKenedy43 min
May 29, 2:53 AM CDTSpecial Weather StatementBROCameron52 min
May 29, 3:07 AM CDTSpecial Weather StatementBROWillacy38 min
May 29, 3:14 AM CDTSpecial Weather StatementBROHidalgo46 min
May 29, 3:41 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy64 min
May 29, 3:41 AM CDTSpecial Weather StatementBROCameron64 min
May 29, 3:55 AM CDTSpecial Marine WarningBRO95 min
May 29, 4:37 AM CDTAreal Flood AdvisoryBROCameron53 min
May 29, 4:40 AM CDTSpecial Weather StatementBROCameron50 min
May 29, 5:27 AM CDTSpecial Marine WarningBRO63 min
May 29, 9:15 AM CDTSmall Craft Advisory for WindsBRO3 hr

Nearby

Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017

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.