Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 239, NWS Midland/Odessa, TX

September 23, 1996Brewster County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 23, 1996, 6:27 PM CDT for Brewster County, Texas. It was in force for 33 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
Sep 23, 1996, 6:27 PM CDT (23:27 UTC)
Expired
Sep 23, 1996, 7:00 PM CDT
In force
33 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Brewster County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.5 hours before the alert went out and 238 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, Del Rio, TX at 12:00Z on 1996-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2311 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, Del Rio, TX at 12:00Z on 1996-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
2311 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 232328
SVRMAF
TXC043-240000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
627 PM CDT MON SEP 23 1996

THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST TEXAS

   ...EAST CENTRAL BREWSTER COUNTY
 
AT 624 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY MIDLAND
DOPPLER RADAR 19 MILES EAST OF MARATHON MOVING SOUTHWEST AT 15 MPH.

THE MOST INTENSE PART OF THE STORM HAS ALREADY PASSED SOUTH OF
HIGHWAY 90 BETWEEN MARATHON AND SANDERSON.

 THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERvS THE ROAD.

$$

TURNAGE/BRITE
 

&

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 Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 23, 3:33 PM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Sep 23, 3:33 PM CDT, 2 hours 54 minutes before
AREA FORECAST DISCUSSION... UPDATED
NATIONAL WEATHER SERVICE MIDLAND TX
333 PM CDT (233 PM MDT) MON SEP 23 1996

18Z SURFACE ANALYSIS AND 88D REFL DATA SHOWS PREFRONTAL TROUGH
EXTENDING FROM NEAR CDS... TO EAST OF LBB... TO SOUTH OF LAMESA AND
SOUTH OF HOB.  COLD FRONT EXTENDS FROM SOUTH OF AMA TO JUST SOUTH OF
CVN.  FRONT CONTINUES TO MOVE SOUTH AND SEE REALLY NOTHING THAT WILL
SLOW IT DOWN TOO MUCH.  WITH PRESENT MOVEMENT MAY COME THROUGH
SEVERAL HOURS BEFORE PREVIOUS SHIFTS THINKING.  LATEST NSAT IR AND
WV IMAGERY SHOWING MID/HIGH LEVEL MOISTURE THINNING SOMEWHAT WITH
PARTLY CLOUDY SKIES PREVAILING OVER FA.

BELIEVE ONLY CONCERN THIS FORECASTS PERIOD IS TIMING OF FRONT WHICH
NGM NOR ETA HANDLE VERY WELL GIVEN PRESENT LOCATION.  WITH THIS IN
MIND BELIEVE FRONT WILL PUSH THROUGH MIDLAND BEFORE MIDNIGHT AND
THROUGH MUCH OF FA EAST OF MOUNTAINS BEFORE 12Z TOMORROW MORNING.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER DAVIS
MOUNTAINS... BIG BEND AND PECOS COUNTIES. RECOMMEND INCLUDING POPS
FROM SOUTHERN PERMIAN BASIN SOUTH INTO THESE LOCATIONS FOR THIS
EVENING.

AS FOR TEMPERATURES WILL STICK CLOSER TO THE COOLER AVN FOR AREAS
EAST OF MOUNTAINS BEHIND FRONT.0

CNM  58
MAF  59
MRF  56
P07  69

EARLE

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 23, 5:57 PM CDTSevere Thunderstorm WarningMAFBrewster33 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning 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.