Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 31, NWS Houston/Galveston, TX

May 29, 1997Wharton County, Texas

NWS Houston/Galveston, TX issued this tornado warning at May 29, 1997, 3:37 PM CDT for Wharton County, Texas. It was in force for 38 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
May 29, 1997, 3:37 PM CDT (20:37 UTC)
Expired
May 29, 1997, 4:15 PM CDT
In force
38 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Wharton County, TX

The radar

The Houston radar (KHGX), 113 km from the middle of the area, began a volume at 20:36 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.6 hours before the alert went out and 204 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 1997-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 467 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 1997-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
467 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
950 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
30 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 KHOU 292039 RRA
TORHOU
TXC481-292115-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
337 PM CDT THU MAY 29 1997
 
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...WHARTON COUNTY
 
AT 335 PM...PIERCE DPS REPORTED A TORNADO ON THE GROUND IN WESTERN
WHARTON COUNTY 2 MILES SOUTHEAST OF LOUISE. MOVEMENT OF THE THUNDERSTORM
CONTAINING THIS TORNADO WAS WEST SOUTHWEST AT 10 MPH.
 
THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DAMAGING WIND IN
EXCESS OF 55 MPH...DESTRUCTIVE HAIL...AND VERY HEAVY RAIN.
MOVE TO AN INTERIOR ROOM ON THE LOWE@ST FLOOR OF YOUR HOME OR
BUSINESS.  STAY AWAY FROM WINDOWS.
 
 
 
&

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 May 29, 2:06 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, May 29, 2:06 PM CDT, 1 hour 31 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
205 PM CDT THU MAY 29 1997

AS EXPECTED... TSTMS ON OLD FRONT/SEABREEZE HAVE HAD VERY HARD TIME
MOVING INLAND THIS AFTN.  ALSO AS EXPECTED... TSTMS A LITTLE LESS
FRISKY TODAY THAN YDA DUE MAINLY TO CHANGES IN THERMODYNAMIC PROFILE
BROUGHT ABOUT BY N WIND REGIME IN UPPER LEVELS.  THIS WILL HAVE AN
IMPACT AGAIN TOMOROW IN INHIBITING SEABREEZE CONVECTION IN THE LATE
MORNING AND EARLY AFTERNOON AND WILL GO WITH LOWER POPS THAN TDA.

AS FOR TOMORROW NIGHT AND EARLY SATURDAY... WE WILL PROBABLY GET
CLOBBERED BY WHAT IS SHAPING UP TO BE A PRETTY GOOD LOOKING FRONT FOR
LATE MAY.  AS MODELS HANDLE IT NOW... THIS WILL BE MAINLY A NOCTURNAL
EVENT... HENCE WILL FAVOR HIGHEST POPS FOR FRI NIGHT.

PRELIMINARIES...

CLL     BBTE  67/88/69/84 -273(MAINLY MORNING)
IAH/HOU EETT  70/89/70/85 -36(LATE)5(MAINLY MORNING)
GLS     BBTE  75/86/73/82 -36(LATE)4(MAINLY MORNING)B

38

In the hours before

Special weather statement, May 29, 12:30 PM CDT, 3 hours 7 minutes before
TXZ176>179-195>200-210>214-226-227-235>238-511-513-300000-

HEAVY RAINFALL OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1230 PM CDT THU MAY 29 1997
...ISOLATED AREAS OF HEAVY RAIN EXPECTED IN SOUTHEAST TEXAS TODAY...

AN OLD FRONTAL BOUNDARY ACROSS THE UPPER COASTAL AREA WILL COMBINE
WITH THE SEABREEZE TO PROVIDE A NARROW FOCUS FOR SLOW MOVING
THUNDERSTORMS THIS AFTERNOON.

IN THE MID LEVELS... AN UPPER RIDGE WILL ATTEMPT TO BUILD NORTHERLY
FLOW OVER THE REGION... FURTHER INHIBITING THE NORHTWARD PROGRESS OF
THE AREA OF HEAVY RAIN.

THE REGIONS MOST LIKELY TO BE AFECTED BY RAINFALL AMOUNTS OF 3 TO 5
INCHES THIS AFTERNOON WILL BE EASTERN HARRIS COUNTY INCLUDING THE
HOUSTON AREA AND ITS EASTERN SUBURBS... AND SOUTHERN LIBERTY COUNTY.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR
FURTHER UPDATES AND POSSIBLE WATCHES AND WARNINGS.
Special weather statement, May 29, 12:39 PM CDT, 2 hours 58 minutes before
TXZ176>179-195>200-210>214-226-227-235>238-511-513-300000-

HEAVY RAINFALL OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1230 PM CDT THU MAY 29 1997
...ISOLATED AREAS OF HEAVY RAIN EXPECTED IN SOUTHEAST TEXAS TODAY...

AN OLD FRONTAL BOUNDARY ACROSS THE UPPER COASTAL AREA WILL COMBINE
WITH THE SEABREEZE TO PROVIDE A NARROW FOCUS FOR SLOW MOVING
THUNDERSTORMS THIS AFTERNOON.

IN THE MID LEVELS... AN UPPER RIDGE WILL ATTEMPT TO BUILD NORTHERLY
FLOW OVER THE REGION... FURTHER INHIBITING THE NORHTWARD PROGRESS OF
THE AREA OF HEAVY RAIN.

THE REGIONS MOST LIKELY TO BE AFECTED BY RAINFALL AMOUNTS OF 3 TO 5
INCHES THIS AFTERNOON WILL BE EASTERN HARRIS COUNTY INCLUDING THE
HOUSTON AREA ANDB ITS EASTERN SUBURBS... AND SOUTHERN LIBERTY COUNTY.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR
FURTHER UPDATES AND POSSIBLE WATCHES AND WARNINGS.

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes in 1997

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.