Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 15, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at May 19, 2021, 11:30 AM CDT for Cameron County, Texas. It was in force for 5 hr. 1 report 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, 11:30 AM CDT (16:30 UTC)
- Expired
- May 19, 2021, 4:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 26 km from the middle of the area, began a volume at 16:34 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, 12:44 PM CDT | FLOOD | 1 Ese Los Fresnos, TX | EM REPORTED WATER ENTERING PROPERTIES ON EAST SIDE OF LOS FRESNOS. |
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, 4.5 hours before the alert went out and 29 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.
- 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
The text
As transmitted.
440
WGUS54 KBRO 191630
FFWBRO
TXC061-191930-
/O.NEW.KBRO.FF.W.0015.210519T1630Z-210519T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
1130 AM CDT Wed May 19 2021
The National Weather Service in Brownsville has issued a
* Flash Flood Warning for...
Central Cameron County in deep south Texas...
* Until 230 PM CDT.
* At 1130 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 0.75 to 1.5 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...
Los Fresnos, Rancho Viejo, Laureles, Arroyo City, Olmito,
Brownsville, Palmer Laasko Elementary, Los Fresnos High School,
Library Memorial Middle School, Los Fresnos City Offices, Lopez -
Riggins Elementary School, Holly Beach, Resaca Middle School, Los
Cuates, Laguna Vista Police Department, Rancho Verde Elementary
School, Rancho Viejo City Hall, Olmito Lake, Brownsville Sports
Park and La Encantada Elementary School.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 2601 9764 2602 9764 2602 9766 2613 9759
2620 9750 2633 9747 2634 9747 2633 9744
2636 9743 2643 9732 2625 9730 2610 9725
2604 9743 2597 9761 2598 9761 2599 9763
2600 9762 2601 9763
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.75-1.5 INCHES IN 1 HOUR
$$
Hallman5 follow-up statements
876
WGUS74 KBRO 191743
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
1243 PM CDT Wed May 19 2021
TXC061-191930-
/O.CON.KBRO.FF.W.0015.000000T0000Z-210519T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
1243 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CDT THIS
AFTERNOON FOR CENTRAL CAMERON COUNTY...
At 1243 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. The expected rainfall rate is 0.25 to 0.75 inches in 1
hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Los Fresnos, Rancho Viejo, Laureles, Arroyo City, Olmito,
Brownsville, Palmer Laasko Elementary, Los Fresnos High School,
Library Memorial Middle School, Los Fresnos City Offices, Lopez -
Riggins Elementary School, Holly Beach, Resaca Middle School, Los
Cuates, Laguna Vista Police Department, Rancho Verde Elementary
School, Rancho Viejo City Hall, Olmito Lake, Brownsville Sports
Park and La Encantada Elementary School.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 2601 9764 2602 9764 2602 9766 2613 9759
2620 9750 2633 9747 2634 9747 2633 9744
2636 9743 2643 9732 2625 9730 2610 9725
2604 9743 2597 9761 2598 9761 2599 9763
2600 9762 2601 9763
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR
$$
Hallman205
WGUS74 KBRO 191752
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
1252 PM CDT Wed May 19 2021
TXC061-191930-
/O.CON.KBRO.FF.W.0015.000000T0000Z-210519T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
1252 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CDT THIS
AFTERNOON FOR CENTRAL CAMERON COUNTY...
At 1252 PM CDT, Emergency management reported water entering homes
on the east side of Los Fresnons from thunderstorms producing heavy
rain. 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 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...
Los Fresnos, Rancho Viejo, Laureles, Arroyo City, Olmito,
Brownsville, Palmer Laasko Elementary, Los Fresnos High School,
Library Memorial Middle School, Los Fresnos City Offices, Lopez -
Riggins Elementary School, Holly Beach, Resaca Middle School, Los
Cuates, Laguna Vista Police Department, Rancho Verde Elementary
School, Rancho Viejo City Hall, Olmito Lake, Brownsville Sports
Park and La Encantada Elementary 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 2601 9764 2602 9764 2602 9766 2613 9759
2620 9750 2633 9747 2634 9747 2633 9744
2636 9743 2643 9732 2625 9730 2610 9725
2604 9743 2597 9761 2598 9761 2599 9763
2600 9762 2601 9763
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...0.25-0.75 INCHES IN 1 HOUR
$$
Hallman021
WGUS54 KBRO 191857
FFWBRO
TXC061-192100-
/O.EXT.KBRO.FF.W.0015.000000T0000Z-210519T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
157 PM CDT Wed May 19 2021
The National Weather Service in Brownsville has extended the
* Flash Flood Warning for...
Central Cameron County in deep south Texas...
* Until 400 PM CDT.
* At 157 PM CDT, Emergency management reported water entering homes
on the east side of Los Fresnos from thunderstorms producing heavy
rain. Between 2 and 3 inches of rain have fallen. The expected
rainfall rate is 0.25 to 0.75 inches in 1 hour. Additional
rainfall amounts of 0.5 to 1.5 inches are possible in the warned
area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Emergency management reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Los Fresnos, Rancho Viejo, Laureles, Arroyo City, Olmito,
Brownsville, Palmer Laasko Elementary, Los Fresnos High School,
Library Memorial Middle School, Los Fresnos City Offices, Lopez -
Riggins Elementary School, Holly Beach, Resaca Middle School, Los
Cuates, Laguna Vista Police Department, Rancho Verde Elementary
School, Rancho Viejo City Hall, Olmito Lake, Brownsville Sports
Park and La Encantada Elementary School.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 2601 9764 2602 9764 2602 9766 2613 9759
2620 9750 2633 9747 2634 9747 2633 9744
2636 9743 2643 9732 2625 9730 2610 9725
2604 9743 2597 9761 2598 9761 2599 9763
2600 9762 2601 9763
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Hallman113
WGUS74 KBRO 192004
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
304 PM CDT Wed May 19 2021
TXC061-192100-
/O.CON.KBRO.FF.W.0015.000000T0000Z-210519T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
304 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON FOR CENTRAL CAMERON COUNTY...
At 304 PM CDT, Emergency management reported water entering homes on
the east side of Los Fresnos from thunderstorms producing heavy
rain. 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 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...
Los Fresnos, Rancho Viejo, Laureles, Olmito, Brownsville, Los
Fresnos High School, Lopez - Riggins Elementary School, Los
Fresnos City Offices, Palmer Laasko Elementary, Resaca Middle
School, Los Cuates, Library Memorial Middle School, Rancho Verde
Elementary School, Rancho Viejo City Hall, Olmito Lake,
Brownsville Sports Park, San Pedro, Holly Beach, La Encantada
Elementary School and Villa Nueva Elementary 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 2601 9764 2602 9764 2603 9764 2602 9765
2602 9766 2613 9759 2620 9750 2620 9746
2620 9743 2610 9725 2604 9743 2597 9761
2598 9761 2599 9763 2599 9762 2600 9762
2601 9763
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Hallman729
WGUS74 KBRO 192058
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
358 PM CDT Wed May 19 2021
TXC061-192108-
/O.EXP.KBRO.FF.W.0015.000000T0000Z-210519T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
358 PM CDT Wed May 19 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 4 PM CDT THIS AFTERNOON FOR
CENTRAL CAMERON COUNTY...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 100 PM CDT Thursday for
a portion of Deep South Texas.
LAT...LON 2601 9764 2602 9764 2603 9764 2602 9765
2602 9766 2613 9759 2620 9750 2620 9746
2620 9743 2610 9725 2604 9743 2597 9761
2598 9761 2599 9763 2599 9762 2600 9762
2601 9763
$$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 | Flash Flood Warning | BRO | Hidalgo | 4 hr |
| 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, 11:34 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, 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.