Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Brownsville, TX

May 19, 2021Hidalgo County, Texas

NWS Brownsville, TX issued this flash flood warning at May 19, 2021, 9:48 AM CDT for Hidalgo County, Texas. It was in force for 4 hr. 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 19, 2021, 9:48 AM CDT (14:48 UTC)
Expired: May 19, 2021, 2:02 PM CDT
In force: 4 hr
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 96 km from the middle of the area, began a volume at 14:49 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 19, 10:23 AM CDT	FLOOD	1 Nne Pharr, TX	STREET FLOODING OBSERVED IN PHARR.
May 19, 1:17 PM CDT	FLOOD	1 Sw Mission, TX	STREET FLOODING OCCURRING AT INTERSECTION OF CONWAY AND EXPRESSWAY 83 IN MISSION. 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, 2.8 hours before the alert went out and 98 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: 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.

725 
WGUS54 KBRO 191448
FFWBRO
TXC215-191800-
/O.NEW.KBRO.FF.W.0006.210519T1448Z-210519T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Brownsville has issued a

* Flash Flood Warning for...
  Southwestern Hidalgo County in deep south Texas...

* Until 100 PM CDT.

* At 948 AM 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 2 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...
  Mission, Pharr, San Juan, Hidalgo, Palmview, Penitas, La Joya, 
  Palmhurst, Sharyland, South McAllen, North McAllen, Alton, Mission 
  Regional Medical Center, Castro Elementary School, Sharyland High 
  School, Mission Fire Station Number 3, Lloyd & Dolly Bentsen 
  Elementary School, Veterans Memorial High School, Madero and Brown 
  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 2623 9856 2631 9853 2632 9830 2614 9809
      2607 9811 2607 9813 2605 9815 2607 9818
      2606 9820 2610 9829 2612 9827 2612 9830
      2610 9830 2617 9834 2616 9839 2620 9844
      2622 9845 2622 9848 2620 9848 2624 9852

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

$$

Hallman

4 follow-up statements

341 
WGUS74 KBRO 191553
FFSBRO

Flash Flood Statement
National Weather Service Brownsville TX
1053 AM CDT Wed May 19 2021

TXC215-191800-
/O.CON.KBRO.FF.W.0006.000000T0000Z-210519T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hidalgo TX-
1053 AM CDT Wed May 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THIS 
AFTERNOON FOR SOUTHWESTERN HIDALGO COUNTY...

At 1053 AM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 4 inches of rain 
have fallen. The expected rainfall rate is 0.25 to 0.5 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...
  Mission, Pharr, San Juan, Hidalgo, Palmview, Penitas, La Joya, 
  Palmhurst, Sharyland, South McAllen, North McAllen, Alton, Mission 
  Regional Medical Center, Castro Elementary School, Sharyland High 
  School, Mission Fire Station Number 3, Lloyd & Dolly Bentsen 
  Elementary School, Veterans Memorial High School, Madero and Brown 
  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 2623 9856 2631 9853 2632 9830 2614 9809
      2607 9811 2607 9813 2605 9815 2607 9818
      2606 9820 2610 9829 2612 9827 2612 9830
      2610 9830 2617 9834 2616 9839 2620 9844
      2622 9845 2622 9848 2620 9848 2624 9852

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.5 INCHES IN 1 HOUR

$$

Hallman

934 
WGUS54 KBRO 191740
FFWBRO
TXC215-191845-
/O.EXT.KBRO.FF.W.0006.000000T0000Z-210519T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
1240 PM CDT Wed May 19 2021

The National Weather Service in Brownsville has extended the

* Flash Flood Warning for...
  Southwestern Hidalgo County in deep south Texas...

* Until 145 PM CDT.

* At 1240 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. The expected rainfall rate is 0.25 inches in 1 hour. 
  Additional rainfall amounts up to 1 inch 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...
  Mission, Pharr, San Juan, Hidalgo, Palmview, Penitas, La Joya, 
  Palmhurst, Sharyland, South McAllen, North McAllen, Alton, Mission 
  Regional Medical Center, Castro Elementary School, Sharyland High 
  School, Mission Fire Station Number 3, Lloyd & Dolly Bentsen 
  Elementary School, Veterans Memorial High School, Madero and Brown 
  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 2623 9856 2631 9853 2632 9830 2614 9809
      2607 9811 2607 9813 2605 9815 2607 9818
      2606 9820 2610 9829 2612 9827 2612 9830
      2610 9830 2617 9834 2616 9839 2620 9844
      2622 9845 2622 9848 2620 9848 2624 9852

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

$$

Hallman

167 
WGUS54 KBRO 191818
FFWBRO
TXC215-191945-
/O.EXT.KBRO.FF.W.0006.000000T0000Z-210519T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Brownsville has extended the

* Flash Flood Warning for...
  South Central Hidalgo County in deep south Texas...

* Until 245 PM CDT.

* At 118 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. The expected rainfall rate is 0.25 inch in 1 hour. 
  Additional rainfall amounts up to 1 inch 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...
  Mission, Pharr, San Juan, Hidalgo, Palmhurst, South McAllen, 
  Sharyland, North McAllen, Alton, Chateau Heights, Fairway Grande, 
  Country Club Terrace, Mcallen Miller International Airport, 
  Orangewood East, Rio Grande Regional Hospital, Airport Park, 
  Mcallen Police Department, Mcallen City Hall, Newport Landing and 
  Los Encinos Community Park.

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 2632 9830 2614 9809 2607 9811 2607 9813
      2605 9815 2607 9818 2606 9820 2608 9822
      2608 9824 2610 9829 2611 9827 2612 9827
      2612 9830 2610 9830 2617 9834 2617 9836
      2616 9837 2616 9839

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

$$

Hallman

383 
WGUS74 KBRO 191902
FFSBRO

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

TXC215-191912-
/O.CAN.KBRO.FF.W.0006.000000T0000Z-210519T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hidalgo TX-
202 PM CDT Wed May 19 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL HIDALGO 
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 2632 9830 2614 9809 2607 9811 2607 9813
      2605 9815 2607 9818 2606 9820 2608 9822
      2608 9824 2610 9829 2611 9827 2612 9827
      2612 9830 2610 9830 2617 9834 2617 9836
      2616 9837 2616 9839

$$

Hallman

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 3:30 AM CDT	Rip Current Statement	BRO	Kenedy	16 hr
May 19, 4:58 AM CDT	Special Weather Statement	BRO	Jim Hogg	32 min
May 19, 5:50 AM CDT	Special Weather Statement	BRO	Jim Hogg	40 min
May 19, 5:56 AM CDT	Special Weather Statement	BRO	Zapata	34 min
May 19, 6:03 AM CDT	Special Weather Statement	BRO	Starr	42 min
May 19, 6:27 AM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Zapata	33 min
May 19, 6:32 AM CDT	Areal Flood Advisory	BRO	Jim Hogg, Starr, Zapata	7 hr
May 19, 6:51 AM CDT	Severe Thunderstorm Warning	BRO	Starr	39 min
May 19, 7:11 AM CDT	Flash Flood Warning	BRO	Starr, Zapata	2 hr
May 19, 7:11 AM CDT	Severe Thunderstorm Warning	BRO	Hidalgo, Starr	64 min
May 19, 7:12 AM CDT	Flash Flood Warning	BRO	Jim Hogg, Zapata	3 hr
May 19, 7:17 AM CDT	Flash Flood Warning	BRO	Jim Hogg	3 hr
May 19, 7:25 AM CDT	Areal Flood Advisory	BRO	Starr	6 hr
May 19, 7:27 AM CDT	Areal Flood Advisory	BRO	Jim Hogg, Zapata	4 hr
May 19, 7:27 AM CDT	Severe Thunderstorm Warning	BRO	Starr, Zapata	63 min
May 19, 7:34 AM CDT	Special Weather Statement	BRO	Jim Hogg	56 min
May 19, 7:42 AM CDT	Areal Flood Advisory	BRO	Kenedy	6 hr
May 19, 7:47 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Jim Hogg, Starr	43 min
May 19, 7:51 AM CDT	Tornado Warning	BRO	Brooks, Hidalgo, Starr	24 min
May 19, 8:12 AM CDT	Tornado Warning	BRO	Hidalgo	18 min
May 19, 8:15 AM CDT	Areal Flood Advisory	BRO	Hidalgo	5 hr
May 19, 8:17 AM CDT	Areal Flood Advisory	BRO	Starr	5 hr
May 19, 8:21 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 1 more	39 min
May 19, 8:23 AM CDT	Special Marine Warning	BRO		26 min
May 19, 8:26 AM CDT	Flash Flood Warning	BRO	Jim Hogg	113 min
May 19, 8:29 AM CDT	Areal Flood Advisory	BRO	Brooks, Jim Hogg	5 hr
May 19, 8:34 AM CDT	Areal Flood Advisory	BRO	Hidalgo	7 hr
May 19, 8:42 AM CDT	Areal Flood Advisory	BRO	Brooks, Kenedy	5 hr
May 19, 8:47 AM CDT	Tornado Warning	BRO	Brooks	13 min
May 19, 8:58 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Cameron, Hidalgo, Kenedy, Willacy	47 min
May 19, 9:04 AM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo, Kenedy, Willacy	7 hr
May 19, 9:05 AM CDT	Tornado Warning	BRO	Kenedy, Willacy	10 min
May 19, 9:11 AM CDT	Tornado Warning	BRO	Kenedy, Willacy	19 min
May 19, 9:14 AM CDT	Special Marine Warning	BRO		61 min
May 19, 9:21 AM CDT	Areal Flood Advisory	BRO	Kenedy	5 hr
May 19, 9:27 AM CDT	Special Marine Warning	BRO		63 min
May 19, 9:28 AM CDT	Tornado Warning	BRO	Kenedy	17 min
May 19, 9:43 AM CDT	Special Weather Statement	BRO	Cameron, Kenedy, Willacy	47 min
May 19, 9:44 AM CDT	Tornado Warning	BRO	Willacy	16 min
May 19, 9:48 AM CDT	Special Marine Warning	BRO		57 min
May 19, 9:50 AM CDT	Flash Flood Warning	BRO	Hidalgo	4 hr
May 19, 10:10 AM CDT	Special Marine Warning	BRO		65 min
May 19, 10:10 AM CDT	Special Weather Statement	BRO	Hidalgo	50 min
May 19, 10:11 AM CDT	Areal Flood Advisory	BRO	Cameron, Willacy	7 hr
May 19, 10:15 AM CDT	Flash Flood Warning	BRO	Hidalgo, Willacy	4 hr
May 19, 10:18 AM CDT	Flash Flood Warning	BRO	Hidalgo	5 hr
May 19, 10:21 AM CDT	Flash Flood Warning	BRO	Willacy	5 hr
May 19, 10:24 AM CDT	Flash Flood Warning	BRO	Cameron, Hidalgo, Willacy	5 hr
May 19, 10:27 AM CDT	Flash Flood Warning	BRO	Cameron	4 hr
May 19, 10:28 AM CDT	Special Weather Statement	BRO	Cameron, Willacy	47 min
May 19, 10:29 AM CDT	Flash Flood Warning	BRO	Cameron, Hidalgo	4 hr
May 19, 10:29 AM CDT	Special Marine Warning	BRO		46 min
May 19, 10:42 AM CDT	Special Marine Warning	BRO		48 min
May 19, 10:51 AM CDT	Special Marine Warning	BRO		39 min
May 19, 11:00 AM CDT	Flash Flood Warning	BRO	Cameron, Willacy	5 hr
May 19, 11:06 AM CDT	Special Marine Warning	BRO		24 min
May 19, 11:12 AM CDT	Special Marine Warning	BRO		18 min
May 19, 11:21 AM CDT	Special Weather Statement	BRO	Cameron	24 min
May 19, 11:25 AM CDT	Special Marine Warning	BRO		50 min
May 19, 11:30 AM CDT	Flash Flood Warning	BRO	Cameron	5 hr
May 19, 11:34 AM CDT	Areal Flood Advisory	BRO	Cameron	3 hr
May 19, 12:10 PM CDT	Special Marine Warning	BRO		50 min
May 19, 12:15 PM CDT	Flash Flood Warning	BRO	Cameron	4 hr
May 19, 2:38 PM CDT	Coastal Flood Advisory	BRO	Kenedy	6 hr
May 19, 2:41 PM CDT	Flash Flood Warning	BRO	Cameron	112 min
May 19, 2:59 PM CDT	Areal Flood Warning	BRO	Cameron	6 hr
May 19, 3:08 PM CDT	Areal Flood Warning	BRO	Hidalgo	19 hr
May 19, 4:36 PM CDT	Wind Advisory	BRO	Cameron	102 min
May 19, 6:20 PM CDT	Small Craft Advisory	BRO		15 hr

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.