Alert archive / Texas / Tornado Warnings in 1996

Tornado Warning 29, NWS Houston/Galveston, TX

October 24, 1996Matagorda County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Oct 24, 1996, 1:01 PM CDT for Matagorda County, Texas. It was in force for 59 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
Oct 24, 1996, 1:01 PM CDT (18:01 UTC)
Expired
Oct 24, 1996, 2:00 PM CDT
In force
59 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Matagorda County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 6.0 hours before the alert went out and 176 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, Corpus Christi, TX at 12:00Z on 1996-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 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, Corpus Christi, TX at 12:00Z on 1996-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897Sfc1 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
122 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHOU 241802
TORHOU
TXC321-241900-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
101 PM CDT THU OCT 24 1996
 
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TEXAS
 
   ...MATAGORDA COUNTY
 
AND ADJACENT COASTAL WATERS
 
 
AT 101 PM...RADAR INDICATED A TORNADIC THUNDERSTORM 12 MILES SOUTHWEST OMATAGORDA. MOVEMENT WAS NORTHEAST NEAR 20 MPH. MATAGORDA IS IN THE PATH
OF THIS STORM.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO... GO TO A SMALL INTERIOR ROOM ON
THE LOWEST FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING.  AS A LAST RESORT GET
INTO A DITCH OR CULVERT.

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.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Oct 24, 9:35 AM CDT, 3 hours 26 minutes earlier.

Area forecast discussion, Oct 24, 9:35 AM CDT, 3 hours 26 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
925 AM CDT THU OCT 24 1996

HGX 88-D SHOWING RW- FORMING OVER CSTL WTRS AND MOVING NNE INTO CSTL
COUNTIES. LATEST SFC ANALYSIS SHOWS WRM FNT BTWN CRP AND PSX AND
EXTENDING EAST INTO GLF OF MEX. LOW LVL MSTR SHOULD CONT TO INCR DURG
DAY AS SHORT WAVE APPROACHES FROM THE WEST. THINKING IS TODAYS EVENT
WILL BE MOST RAIN WITH TSTMS STAYING BELOW SVR LIMITS. KEEP HEAVY
RAIN OUTLOOK FOR SOUTHERN PORTIONS OF SE TX AS MAIN THREAT WILL BE
LATE THIS AFTN AND TONIGHT. WITH PCPN ALREADY MOVING INLAND MIGHT
INCRS POPS TO 80 ALG CST ZONES.

34

In the hours before

Special weather statement, Oct 24, 11:39 AM CDT, 1 hour 22 minutes before
TXZ177>179-195>200-210>214-226-227-235>238-511-513-242100-

HEAVY RAIN OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON TX
1140 AM CDT THU OCT 24 1996

THERE IS A THREAT OF LOCALLY HEAVY RAINFALL FOR PORTIONS OF THE AREA
THIS AFTERNOON AND TONIGHT...GENERALLY ALONG AND SOUTH OF A
COLLEGE STATION TO HUNTSVILLE TO LIVINGSTON LINE.  SOME OTHER CITIES
INCLUDED IN THE OUTLOOK AREA ARE
HOUSTON...WHARTON...RICHMOND...LIBERTY...BAY CITY...ANGLETON...
BRENHAM...CALDWELL AND GALVESTON.

A WARM FRONT LOCATED FROM CORPUS CHRISTI TO PALACIOS AND EAST
INTO THE GULF WILL MOVE TO THE NORTH AND PULL UP ACROSS THE COASTAL
SECTIONS EARLY THIS AFTERNOON.  DEEP TROPICAL MOISTURE WILL OVERRUN
THE FRONT...SPREADING SHOWERS AND THUNDERSTORMS OVER THE AREA
DURING THE DAY.  A SERIES OF UPPER LEVEL DISTURBANCES WILL RIPPLE
OVER SOUTHEAST TEXAS THIS AFTERNOON AND EVENING...ENHANCING THE
CHANCE FOR THUNDERSTORMS TO DEVELOP ACROSS THE AREA THROUGH THE LATE
EVENING HOURS.  AMPLE GULF MOISTURE COUPLED WITH SLOW MOVING AND
REDEVELOPING STORMS COULD PRODUCE RAINFALL AMOUNTS OF 2 TO 3 INCHES
OVER THE OUTLOOK AREA WITH LOCALLY HEAVIER AMOUNTS TO 4 INCHES
POSSIBLE.

THE EXACT LOCATION OF THE HEAVIER RAINS IS DEPENDENT ON WHERE THE
FRONT BECOMES STATIONARY.  THIS DEVELOPING WEATHER EVENT WILL BE
CLOSELY MONITORED FOR THE POSSIBLE ISSUANCE OF A FLASH FLOOD WATCH
LATER TODAY.

EMERGENCY MANAGEMENT OFFICIALS SHOULD BE READY FOR POSSIBLE FLOODING
LATER TODAY AND E*ARLY TONIGHT.  STAY TUNED TO NOAA WEATHER RADIO OR
OTHER NEWS SOURCES FOR CONTINUED UPDATES.
Special weather statement, Oct 24, 12:45 PM CDT, 16 minutes before
TXZ199-200-210>214-226-227-235>238-511-513-250045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1245 PM CDT THU OCT 24 1996

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR SOUTHERN
PORTIONS OF SOUTHEAST TEXAS EFFECTIVE UNTIL 7 PM FOR THE FOLLOWING
COUNTIES:  JACKSON...MATAGORDA...BRAZORIA...GALVESTON...CHAMBERS...
WHARTON...FORT BEND...HARRIS...LIBERTY...COLORADO...AUSTIN...WALLER...
MONTGOMERY...AND THE ADJACENT COASTAL WATERS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES
TO DEVELOP IN AND NEAR THE WATCH AREA.  PERSONS IN THE WATCH ARE
URGED TO FOLLOW THE LATEST WEATHER DEVELOPMENTS AND BE PREPARED TO SEEK
SHELTER SHOULD SEVERE STORMS THREATEN.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 24, 1:56 PM CDTTornado WarningHGXMatagorda64 min
Oct 24, 2:30 PM CDTFlash Flood WarningHGXMatagorda2 hr
Oct 24, 2:55 PM CDTTornado WarningHGXMatagorda65 min

Nearby

Tornado Warnings in Texas, 1996Every tornado warning in 1996Tornadoes in 1996

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.