Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 16, NWS Brownsville, TX

May 19, 2021Cameron County, Texas

NWS Brownsville, TX issued this flash flood warning at May 19, 2021, 12:15 PM CDT for Cameron County, Texas. It was in force for 4 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
May 19, 2021, 12:15 PM CDT (17:15 UTC)
Expired
May 19, 2021, 4:31 PM CDT
In force
4 hr
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Flood severity
None

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 5 km from the middle of the area, began a volume at 17:15 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 19, 12:51 PM CDTFLOOD4 Wnw Brownsville, TXSTREET FLOODING OBSERVED NEAR ALTON GLOOR BLVD AND MILITARY HWY. REPORT RECEIVED VIA SOCIAL MEDIA.
May 19, 12:55 PM CDTFLOOD2 Ssw Brownsville, TXSTREET FLOODING ON INTERNATIONAL BLVD IN DOWNTOWN BROWNSVILLE.
May 19, 2:06 PM CDTFLOOD2 Nnw Brownsville, TXSTREETS FLOODED NEAR PAREDES LINE AND RUBEN M TORRES BLVD IN BROWNSVILLE. REPORT RECEIVED VIA SOCIAL MEDIA.
May 19, 2:51 PM CDTFLOOD3 W Brownsville, TXSTREET FLOODING ONGOING ON WEST MILITARY HIGHWAY. REPORT RECEIVED VIA SOCIAL MEDIA.

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, 5.3 hours before the alert went out and 4 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 12:00Z on 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3667 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 12:00Z on 2021-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
3667 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

872 
WGUS54 KBRO 191715
FFWBRO
TXC061-192015-
/O.NEW.KBRO.FF.W.0016.210519T1715Z-210519T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
1215 PM CDT Wed May 19 2021

The National Weather Service in Brownsville has issued a

* Flash Flood Warning for...
  Southeastern Cameron County in deep south Texas...

* Until 315 PM CDT.

* At 1215 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 2 inches in 1 
  hour. Additional rainfall amounts of 1 to 3 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Port Of Brownsville, Cameron Park, Southmost, Downtown 
  Brownsville, Brownsville, Lincoln Park, Rivera High School, El 
  Jardin Elementary School, Perkins Middle School, Gonzalez 
  Elementary School, Brownsville South Padre Island International 
  Airport, North Brownsville Little League, Villa Pancho, Gallegos 
  Elementary School, South Point, Lopez High School, Southmost 
  Elementary School, Brownsville Fire Department Station Six, 
  Brownsville Public Library Southmost Branch and Vela Middle School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

Hallman
5 follow-up statements
728 
WGUS74 KBRO 191743 RRA
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
1243 PM CDT Wed May 19 2021

TXC061-192015-
/O.CON.KBRO.FF.W.0016.000000T0000Z-210519T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
1243 PM CDT Wed May 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM CDT THIS 
AFTERNOON FOR SOUTHEASTERN CAMERON COUNTY...

At 1243 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 3 inches of rain 
have fallen. The expected rainfall rate is 0.25 to 0.75 inches in 1 
hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible 
in the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Port Of Brownsville, Cameron Park, Southmost, Downtown 
  Brownsville, Brownsville, Lincoln Park, Rivera High School, El 
  Jardin Elementary School, Perkins Middle School, Gonzalez 
  Elementary School, Brownsville South Padre Island International 
  Airport, North Brownsville Little League, Villa Pancho, Gallegos 
  Elementary School, South Point, Lopez High School, Southmost 
  Elementary School, Brownsville Fire Department Station Six, 
  Brownsville Public Library Southmost Branch and Vela Middle School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR

$$

Hallman
493 
WGUS74 KBRO 191748
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
1248 PM CDT Wed May 19 2021

TXC061-192015-
/O.CON.KBRO.FF.W.0016.000000T0000Z-210519T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
1248 PM CDT Wed May 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM CDT THIS 
AFTERNOON FOR SOUTHEASTERN CAMERON COUNTY...

At 1248 PM CDT, Emergency management reported water entering homes 
on the east side of Brownsville from thunderstorms producing heavy 
rain. Between 2 and 4 inches of rain have fallen. The expected 
rainfall rate is 0.25 to 0.75 inches in 1 hour. Additional rainfall 
amounts of 0.5 to 1.5 inches are possible in the warned area. Flash 
flooding is already occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Port Of Brownsville, Cameron Park, Southmost, Downtown 
  Brownsville, Brownsville, Lincoln Park, Rivera High School, El 
  Jardin Elementary School, Perkins Middle School, Gonzalez 
  Elementary School, Brownsville South Padre Island International 
  Airport, North Brownsville Little League, Villa Pancho, Gallegos 
  Elementary School, South Point, Lopez High School, Southmost 
  Elementary School, Brownsville Fire Department Station Six, 
  Brownsville Public Library Southmost Branch and Vela Middle School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR

$$

Hallman
627 
WGUS74 KBRO 191751
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
1251 PM CDT Wed May 19 2021

TXC061-192015-
/O.CON.KBRO.FF.W.0016.000000T0000Z-210519T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
1251 PM CDT Wed May 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM CDT THIS 
AFTERNOON FOR SOUTHEASTERN CAMERON COUNTY...

At 1251 PM CDT, Emergency management reported flash flooding from 
thunderstorms producing heavy rain. Between 2 and 4 inches of rain 
have fallen. The expected rainfall rate is 0.25 to 0.75 inches in 1 
hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible 
in the warned area. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Port Of Brownsville, Cameron Park, Southmost, Downtown 
  Brownsville, Brownsville, Lincoln Park, Rivera High School, El 
  Jardin Elementary School, Perkins Middle School, Gonzalez 
  Elementary School, Brownsville South Padre Island International 
  Airport, North Brownsville Little League, Villa Pancho, Gallegos 
  Elementary School, South Point, Lopez High School, Southmost 
  Elementary School, Brownsville Fire Department Station Six, 
  Brownsville Public Library Southmost Branch and Vela Middle School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR

$$

Hallman
942 
WGUS54 KBRO 191943
FFWBRO
TXC061-192145-
/O.EXT.KBRO.FF.W.0016.000000T0000Z-210519T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
243 PM CDT Wed May 19 2021

The National Weather Service in Brownsville has extended the

* Flash Flood Warning for...
  Southeastern Cameron County in deep south Texas...

* Until 445 PM CDT.

* At 243 PM CDT, Emergency management reported flash flooding from 
  thunderstorms producing heavy rain. Between 2 and 4 inches of rain 
  have fallen. The expected rainfall rate is 0.25 to 0.75 inches in 
  1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Port Of Brownsville, Cameron Park, Southmost, Downtown 
  Brownsville, Brownsville, Lincoln Park, Rivera High School, El 
  Jardin Elementary School, Perkins Middle School, Gonzalez 
  Elementary School, Brownsville South Padre Island International 
  Airport, North Brownsville Little League, Villa Pancho, Gallegos 
  Elementary School, South Point, Lopez High School, Southmost 
  Elementary School, Brownsville Fire Department Station Six, 
  Brownsville Public Library Southmost Branch and Vela Middle School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR

$$

Hallman
226 
WGUS74 KBRO 192131
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
431 PM CDT Wed May 19 2021

TXC061-192141-
/O.CAN.KBRO.FF.W.0016.000000T0000Z-210519T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
431 PM CDT Wed May 19 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN CAMERON 
COUNTY...

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

A Flash Flood Watch remains in effect until 100 PM CDT Thursday for 
a portion of Deep South Texas.

LAT...LON 2610 9725 2609 9720 2597 9711 2596 9728
      2594 9728 2592 9733 2593 9735 2591 9737
      2587 9736 2586 9738 2585 9736 2584 9739
      2586 9741 2584 9741 2585 9744 2587 9744
      2589 9747 2589 9752 2593 9755 2597 9761

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 3:30 AM CDTRip Current StatementBROKenedy16 hr
May 19, 4:58 AM CDTSpecial Weather StatementBROJim Hogg32 min
May 19, 5:50 AM CDTSpecial Weather StatementBROJim Hogg40 min
May 19, 5:56 AM CDTSpecial Weather StatementBROZapata34 min
May 19, 6:03 AM CDTSpecial Weather StatementBROStarr42 min
May 19, 6:27 AM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata33 min
May 19, 6:32 AM CDTAreal Flood AdvisoryBROJim Hogg, Starr, Zapata7 hr
May 19, 6:51 AM CDTSevere Thunderstorm WarningBROStarr39 min
May 19, 7:11 AM CDTFlash Flood WarningBROStarr, Zapata2 hr
May 19, 7:11 AM CDTSevere Thunderstorm WarningBROHidalgo, Starr64 min
May 19, 7:12 AM CDTFlash Flood WarningBROJim Hogg, Zapata3 hr
May 19, 7:17 AM CDTFlash Flood WarningBROJim Hogg3 hr
May 19, 7:25 AM CDTAreal Flood AdvisoryBROStarr6 hr
May 19, 7:27 AM CDTAreal Flood AdvisoryBROJim Hogg, Zapata4 hr
May 19, 7:27 AM CDTSevere Thunderstorm WarningBROStarr, Zapata63 min
May 19, 7:34 AM CDTSpecial Weather StatementBROJim Hogg56 min
May 19, 7:42 AM CDTAreal Flood AdvisoryBROKenedy6 hr
May 19, 7:47 AM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Jim Hogg, Starr43 min
May 19, 7:51 AM CDTTornado WarningBROBrooks, Hidalgo, Starr24 min
May 19, 8:12 AM CDTTornado WarningBROHidalgo18 min
May 19, 8:15 AM CDTAreal Flood AdvisoryBROHidalgo5 hr
May 19, 8:17 AM CDTAreal Flood AdvisoryBROStarr5 hr
May 19, 8:21 AM CDTSevere Thunderstorm WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 1 more39 min
May 19, 8:23 AM CDTSpecial Marine WarningBRO26 min
May 19, 8:26 AM CDTFlash Flood WarningBROJim Hogg113 min
May 19, 8:29 AM CDTAreal Flood AdvisoryBROBrooks, Jim Hogg5 hr
May 19, 8:34 AM CDTAreal Flood AdvisoryBROHidalgo7 hr
May 19, 8:42 AM CDTAreal Flood AdvisoryBROBrooks, Kenedy5 hr
May 19, 8:47 AM CDTTornado WarningBROBrooks13 min
May 19, 8:58 AM CDTSevere Thunderstorm WarningBROBrooks, Cameron, Hidalgo, Kenedy, Willacy47 min
May 19, 9:04 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Kenedy, Willacy7 hr
May 19, 9:05 AM CDTTornado WarningBROKenedy, Willacy10 min
May 19, 9:11 AM CDTTornado WarningBROKenedy, Willacy19 min
May 19, 9:14 AM CDTSpecial Marine WarningBRO61 min
May 19, 9:21 AM CDTAreal Flood AdvisoryBROKenedy5 hr
May 19, 9:27 AM CDTSpecial Marine WarningBRO63 min
May 19, 9:28 AM CDTTornado WarningBROKenedy17 min
May 19, 9:43 AM CDTSpecial Weather StatementBROCameron, Kenedy, Willacy47 min
May 19, 9:44 AM CDTTornado WarningBROWillacy16 min
May 19, 9:48 AM CDTFlash Flood WarningBROHidalgo4 hr
May 19, 9:48 AM CDTSpecial Marine WarningBRO57 min
May 19, 9:50 AM CDTFlash Flood WarningBROHidalgo4 hr
May 19, 10:10 AM CDTSpecial Marine WarningBRO65 min
May 19, 10:10 AM CDTSpecial Weather StatementBROHidalgo50 min
May 19, 10:11 AM CDTAreal Flood AdvisoryBROCameron, Willacy7 hr
May 19, 10:15 AM CDTFlash Flood WarningBROHidalgo, Willacy4 hr
May 19, 10:18 AM CDTFlash Flood WarningBROHidalgo5 hr
May 19, 10:21 AM CDTFlash Flood WarningBROWillacy5 hr
May 19, 10:24 AM CDTFlash Flood WarningBROCameron, Hidalgo, Willacy5 hr
May 19, 10:27 AM CDTFlash Flood WarningBROCameron4 hr
May 19, 10:28 AM CDTSpecial Weather StatementBROCameron, Willacy47 min
May 19, 10:29 AM CDTFlash Flood WarningBROCameron, Hidalgo4 hr
May 19, 10:29 AM CDTSpecial Marine WarningBRO46 min
May 19, 10:42 AM CDTSpecial Marine WarningBRO48 min
May 19, 10:51 AM CDTSpecial Marine WarningBRO39 min
May 19, 11:00 AM CDTFlash Flood WarningBROCameron, Willacy5 hr
May 19, 11:06 AM CDTSpecial Marine WarningBRO24 min
May 19, 11:12 AM CDTSpecial Marine WarningBRO18 min
May 19, 11:21 AM CDTSpecial Weather StatementBROCameron24 min
May 19, 11:25 AM CDTSpecial Marine WarningBRO50 min
May 19, 11:30 AM CDTFlash Flood WarningBROCameron5 hr
May 19, 11:34 AM CDTAreal Flood AdvisoryBROCameron3 hr
May 19, 12:10 PM CDTSpecial Marine WarningBRO50 min
May 19, 2:38 PM CDTCoastal Flood AdvisoryBROKenedy6 hr
May 19, 2:41 PM CDTFlash Flood WarningBROCameron112 min
May 19, 2:59 PM CDTAreal Flood WarningBROCameron6 hr
May 19, 3:08 PM CDTAreal Flood WarningBROHidalgo19 hr
May 19, 4:36 PM CDTWind AdvisoryBROCameron102 min
May 19, 6:20 PM CDTSmall Craft AdvisoryBRO15 hr

Nearby

Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021

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.