Alert archive / Texas / Flash Flood Watches in 2021

Flash Flood Watch 3, NWS Brownsville, TX

June 3, 20218 counties in Texas

NWS Brownsville, TX issued this flash flood watch at Jun 3, 2021, 2:01 PM CDT for 8 counties in Texas. It took effect at Jun 3, 2021, 7:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jun 3, 2021, 2:01 PM CDT (19:01 UTC)
In effect from
Jun 3, 2021, 7:00 PM CDT
Expired
Jun 4, 2021, 3:14 AM CDT
In force
8 hr
Issued by
NWS Brownsville, TX
Flood severity
None

Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Starr County, TX, Willacy County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 118 km from the middle of the area, began a volume at 19:02 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.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 7.0 hours before the alert went out and 120 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 2021-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 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 12:00Z on 2021-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1821 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

304 
WGUS64 KBRO 031901
FFABRO

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Brownsville TX
201 PM CDT Thu Jun 3 2021

.An upper level trough of low pressure across west Texas will 
continue to bring abundant moisture across portions of deep south 
Texas tonight into Friday while a frontal boundary remains 
stationary across south Texas. This will provide the potential for 
heavy rainfall across the Rio Grande Valley and northern ranchlands 
tonight through early Saturday morning.

TXZ248>257-351-353-040315-
/O.NEW.KBRO.FF.A.0003.210604T0000Z-210605T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo-Inland
Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-Coastal
Kenedy-Northern Hidalgo-
Including the cities of Brownsville, Rio Grande City, Raymondville, 
Weslaco, Sarita, Zapata, Edinburg, Port Mansfield, Pharr, Mission, 
Port Isabel, McAllen, South Padre Island, San Manuel, Laguna 
Heights, Falfurrias, Roma, Harlingen, Hebbronville, and Laguna Vista
201 PM CDT Thu Jun 3 2021

...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH 
SATURDAY MORNING...

The National Weather Service in Brownsville has issued a

* Flash Flood Watch for a portion of Deep South Texas, including the 
  following areas, Brooks, Coastal Cameron, Coastal Kenedy, Coastal 
  Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Jim Hogg, 
  Northern Hidalgo, Southern Hidalgo, Starr and Zapata.

* From 7 PM CDT this evening through Saturday morning.

* Rainfall from the past week has provided saturated soils across 
  most portions of deep south Texas. Periods of heavy rainfall from 
  showers and thunderstorms are expected tonight through early 
  Saturday morning. Rainfall amounts of 1 to 3 inches can be 
  expected tonight through Friday night with isolated amounts up to 
  5 inches.

* Low-lying and poorly-draining areas will experience flash 
  flooding. Heavy rainfall over a short period of time will cause 
  difficulty in driving. Motorists are urged to find alternative 
  routes if flooding roadways are encountered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Castillo
2 follow-up statements
633 
WGUS64 KBRO 040313
FFABRO

Flood Watch
National Weather Service Brownsville TX
1013 PM CDT Thu Jun 3 2021

TXZ248>257-351-353-041115-
/O.CON.KBRO.FF.A.0003.000000T0000Z-210605T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo-Inland
Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-Coastal
Kenedy-Northern Hidalgo-
Including the cities of Brownsville, Rio Grande City, Raymondville, 
Weslaco, Sarita, Zapata, Edinburg, Port Mansfield, Pharr, Mission, 
Port Isabel, McAllen, South Padre Island, San Manuel, Laguna 
Heights, Falfurrias, Roma, Harlingen, Hebbronville, and Laguna Vista
1013 PM CDT Thu Jun 3 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* A portion of Deep South Texas, including the following areas, 
  Brooks, Coastal Cameron, Coastal Kenedy, Coastal Willacy, Inland 
  Cameron, Inland Kenedy, Inland Willacy, Jim Hogg, Northern 
  Hidalgo, Southern Hidalgo, Starr and Zapata.

* Through Saturday morning.

* Rainfall from the past week has provided saturated soils across 
  most portions of Deep South Texas. Periods of heavy rainfall from 
  showers and thunderstorms are expected tonight through early 
  Saturday morning. Rainfall amounts of 1 to 3 inches can be 
  expected tonight through Friday night with isolated amounts up to 
  5 inches.

* Low-lying and poorly-draining areas will experience flash 
  flooding. Heavy rainfall over a short period of time will cause 
  difficulty in driving. Motorists are urged to find alternative 
  routes if flooding roadways are encountered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Speece
968 
WGUS64 KBRO 040814
FFABRO

Flood Watch
National Weather Service Brownsville TX
314 AM CDT Fri Jun 4 2021

TXZ248>257-351-353-040915-
/O.CAN.KBRO.FF.A.0003.000000T0000Z-210605T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo-Inland
Willacy-Inland Cameron-Coastal Willacy-Coastal Cameron-Coastal
Kenedy-Northern Hidalgo-
Including the cities of Brownsville, Rio Grande City, Raymondville, 
Weslaco, Sarita, Zapata, Edinburg, Port Mansfield, Pharr, Mission, 
Port Isabel, McAllen, South Padre Island, San Manuel, Laguna 
Heights, Falfurrias, Roma, Harlingen, Hebbronville, and Laguna Vista
314 AM CDT Fri Jun 4 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for a portion of Deep South Texas, including 
the following areas, Brooks, Coastal Cameron, Coastal Kenedy, 
Coastal Willacy, Inland Cameron, Inland Kenedy, Inland Willacy, Jim 
Hogg, Northern Hidalgo, Southern Hidalgo, Starr and Zapata has been 
cancelled.

The Flash Flood Watch is cancelled. Flooding is no longer expected 
to pose a threat. Please continue to heed remaining road closures.

$$

Farris

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 3:35 PM CDTSpecial Weather StatementBROWillacy55 min
Jun 3, 3:46 PM CDTFlash Flood WarningBROKenedy3 hr
Jun 3, 4:14 PM CDTSpecial Weather StatementBROHidalgo61 min
Jun 3, 4:35 PM CDTSpecial Weather StatementBROWillacy70 min
Jun 3, 4:39 PM CDTAreal Flood AdvisoryBROWillacy111 min
Jun 3, 4:58 PM CDTSpecial Weather StatementBROHidalgo47 min
Jun 3, 5:27 PM CDTSpecial Weather StatementBROStarr33 min
Jun 3, 5:58 PM CDTSpecial Weather StatementBROJim Hogg, Zapata77 min
Jun 3, 6:13 PM CDTSpecial Weather StatementBROStarr77 min
Jun 3, 6:31 PM CDTAreal Flood AdvisoryBROBrooks, Jim Hogg, Starr, Zapata3 hr

Nearby

Flash Flood Watches in Texas, 2021Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.