Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 7, NWS Brownsville, TX

June 14, 2001Zapata County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 14, 2001, 7:30 PM CDT for Zapata County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 14, 2001, 7:30 PM CDT (00:30 UTC)
Expired: Jun 14, 2001, 8:30 PM CDT
In force: 60 min
Issued by: NWS Brownsville, TX
Area: Whole counties

County Zapata County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.5 hours before the alert went out and 198 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: 3988 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KBRO 150031
FFWBRO
TXC505-150130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
730 PM CDT THU JUN 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ZAPATA COUNTY IN DEEP SOUTH TEXAS

* UNTIL 830 PM CDT

* AT 723 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL 12 MILES NORTHWEST OF
  ZAPATA...MOVING NORTHEAST AT 5 MPH. DOPPLER RADAR ESTIMATED TWO TO
  THREE INCHES OF RAINFALL PER HOUR WAS FALLING NEAR SAN YGNACIO AND
  RAMIRENO.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH
  FLOODING INCLUDE....SAN YGNACIO...RAMIRENO AND WESTERN PORTIONS OF
  FM 3169. 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND 
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

$$

LAT...LON 2705 9944 2693 9933 2725 9907 2724 9941

CASTILLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 7:30 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	30 min
Jun 14, 10:43 PM CDT	Flash Flood Warning	BRO	Zapata	3 hr
Jun 15, 12:21 PM CDT	Tornado Warning	BRO	Hidalgo, Willacy	24 min
Jun 15, 12:58 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo, Willacy	47 min
Jun 15, 1:06 PM CDT	Severe Thunderstorm Warning	BRO	Hidalgo	39 min
Jun 15, 1:28 PM CDT	Severe Thunderstorm Warning	BRO	Hidalgo	62 min
Jun 15, 1:29 PM CDT	Tornado Warning	BRO	Hidalgo	46 min
Jun 15, 2:15 PM CDT	Tornado Warning	BRO	Cameron, Hidalgo	45 min
Jun 15, 2:20 PM CDT	Flash Flood Warning	BRO	Hidalgo	4 hr
Jun 15, 2:40 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Kenedy, Willacy	50 min
Jun 15, 3:00 PM CDT	Tornado Warning	BRO	Cameron, Hidalgo	45 min
Jun 15, 3:09 PM CDT	Flash Flood Warning	BRO	Cameron	3 hr
Jun 15, 3:35 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Kenedy, Willacy	55 min
Jun 15, 6:18 PM CDT	Severe Thunderstorm Warning	BRO	Cameron	42 min
Jun 15, 6:23 PM CDT	Flash Flood Warning	BRO	Cameron	3 hr

Nearby

Flash Flood Warnings in Texas, 2001 Every flash flood warning in 2001

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.