Alert archive / Texas / Tornado Warnings in 1988

Tornado Warning 1, NWS Brownsville, TX

July 7, 1988Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at Jul 7, 1988, 5:12 PM CDT for Hidalgo County, Texas. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1988, 5:12 PM CDT (22:12 UTC)
Expired
Jul 7, 1988, 6:00 PM CDT
In force
48 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Hidalgo County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 10.2 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 1988-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 908 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 1988-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
908 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
12 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 
TTAA00 KBRO 072212
TORBRO
TXC215-072300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
512 PM CDT THU JUL 7 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

EXTREME SOUTH TEXAS...HIDALGO

AT 500 PM FUNNEL CLOUDS WERE REPORTED IN THE EDINBURG AND MCALLEN
AREAS. THESE WERE ACCOCIATED WITH A VERY STRONG THUNDERSTORM
MOVING SOUTH AT 25 MPH.

IF YOU ARE IN THE PATH OF THIS STORM..GO TO A BASEMENT SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUILDING.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
OFFICE.

PLEASE LISTEN TO YOUR LOCAL RADIO..TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER
E!VENT.

What forecasters said that day

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

In the hours before

Special weather statement, Jul 7, 2:58 PM CDT, 2 hours 14 minutes before
URBAN FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
255 PM CDT THU JUL 7 1988

A THUNDERSTORM WHICH DEVELOPED OVER THE CITY OF BROWNSVILLE
SHORTLY BEFORE 200 PM PRODUCED VERY HEAVY RAIN... ESPECIALLY IN THE
DOWNDOWN AREA... CAUSING WIDESPREAD STREET FLOODING.

ALSO A BUILDING HAS COLLAPSED... WHICH COULD HAVE BEEN CAUSED BY THE
WEIGHT OF THE WATER. THE VERY HEAVY RAINFALL PROBABLY EXCEEDED TWO
INCHES IN LESS THAN THIRTY MINUTES.

THE THUNDERSTORM OVER BROWNSVILLE HAS DECREASED IN INTENSITY WHILE
DRIFTING WEST... AND IS PART OF A AREA OF WIDELY SCATTERED
THUNDERSTORMS WHICH DEVELOPED OVER THE EASTERN END OF THE VALLEY
EARLY THIS AFTERNOON.  THE THUNDERSTORMS SHOULD CONTINUE TO DEVELiOP
WEST ACROSS THE REST OF THE VALLEY THIS AFTERNOON... POSSIBLY
CAUSING ADDITIONAL LOCAL FLOODING OF STREETS OR DITCHES.

Nearby

Tornado Warnings in Texas, 1988Every tornado warning in 1988Tornadoes in 1988

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.