Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 32, NWS Brownsville, TX

August 1, 2000Hidalgo County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Aug 1, 2000, 4:51 PM CDT for Hidalgo County, Texas. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 2000, 4:51 PM CDT (21:51 UTC)
Expired
Aug 1, 2000, 5:30 PM CDT
In force
39 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Hidalgo County, TX

What was reported inside it

TimeReportWhereRemark
Aug 1, 4:57 PM CDTThunderstorm Wind 50 EWeslaco, TXA reporter from a local television station reported a roof from a mobile home was blown off and some out buildings were damaged by the strong winds from a thunderstorm.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 9.9 hours before the alert went out and 96 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 2000-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2742 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 12:00Z on 2000-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 square meters per square second.1939Sfc1 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
2742 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBRO 012155
SVRBRO
TXC215-012230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
451 PM CDT TUE AUG 1 2000

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS

* UNTIL 530 PM CDT

* AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM ABOUT 6 MILES NORTH OF WESLACO...MOVING 
NORTH NORTHWEST AT 15 MPH.  THIS SEVERE THUNDERSTORM WILL LIKELY 
PRODUCE DIME SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH.

IN ADDITION TO HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO GROUND 
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.

STAY TUNED TO LOCAL MEDIA OUTLETS...SUCH AS RADIO...TELEVISION...
CABLE TELEVISION...AND NOAA WEATHER RADIO FOR THE LATEST SEVERE
IWEATHER INFORMATION.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BROWNSVILLE.

GF

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 1:45 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, Aug 1, 1:45 PM CDT, 3 hours 6 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
145 PM CDT TUE AUG 1 2000

WILL KEEP ISOLATED TO WIDELY SCATTERED CONVECTION IN THE FORECAST AS
SURFACE PRESSURE GRADIENT IS WEAK AND THE SEABREEZE HAS ESTABLISHED
RIGHT FOR RECOGNITION. SEABREEZE ALONE WILL MAKE SOME CONVECTION. WITH
SUPLEMENT OF WEST MIGRATING TROPICAL STUFF...AREAL
CONVERAGE...INTENSITY...AND DURATION MAY BE SOMEWHAT MORE.

IN EXTENDED...WILL INCREASE POPS A LITTLE LATTER PART OF THE WEEK IN
RESPONSE TO ONE OF THESE WEST-MOVING TROPICAL THINGS. MRF SUGGESTS AN
INVERTED TROF NEARBY IN THE UPPER LEVELS AGAIN AROUND THURSDAY.

NO REASON TO CHANGE THE MARINE FORECAST MUCH. MODELS SUGGEST AS MUCH
EAST WINDFLOW OVER THE GULF AS SOUTHEAST. BOY020 SHOWS SOME OF THIS
ALTHOUGH WITH FALLING SPEEDS...DIRECTION THERE HAS BEEN VARIABLE.

BRO BB 076/095 075/096 075  62010
MFE BB 076/100 076/100 076  62010
RGC BB 076/104 076/105 076  62010
SPI BB 077/089 077/089 077  62010

BRO INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO

.BRO...NONE.

In the hours before

Special weather statement, Aug 1, 11:15 AM CDT, 5 hours 36 minutes before
TXZ248>257-011915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1115 AM CDT TUE AUG 1 2000

A VERY MOIST AND RELATIVELY UNSTABLE AIRMASS WILL RESIDE OVER
DEEP SOUTH TEXAS THIS AFTERNOON AND EARLY EVENING. AS A SEA BREEZE
FRONT TRACKS SLOWLY WEST DURING THE DAY...ISOLATED TO SCATTERED SHOWERS
AND THUNDERSTORMS WILL FORM ALONG THIS MARINE BOUNDARY AS IT ENCOUNTERS
THE MOISTURE LADEN AIRMASS ACROSS THE VALLEY.

EVEN THOUGH THE AREAL COVERAGE OF THE STORMS WILL BE LIMITED...
A COUPLE OF THESE STORMS MAY BE EFFICIENT RAIN PRODUCERS...SIMILAR TO
YESTERDAY EVENING. DURING EARLY MONDAY EVENING...THUNDERSTORMS WERE
ALSO QUITE LIMITED...BUT AN AREA BETWEEN RIO GRANDE CITY AND ROMA
OBTAINED LOCAL RAINFALL AMOUNTS BETWEEN 3 AND 4 INCHES. WITH A SIMILAR
WEATHER PATTERN THIS AFTERNOON AND EARLY EVENING...SOME VERY LOCALIZED
HEAVY RAINFALL AMOUNTS ARE ALSO FEASIBLE. IN ADDITION...ONE OR TWO OF
THESE THUNDERSTORMS MAY BECOME STRONG TO SEVERE WITH STRONG GUSTY
WINDS...HAIL AND DANGEROUS LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL CABLE OR COMMERCIAL
BROADCAST STATION...FOR THE LATEST WEATHER INFORMATION.

CORDERO

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.