Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 8, NWS Austin/San Antonio, TX

March 12, 1999Kinney County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 12, 1999, 3:53 PM CST for Kinney County, Texas. It was in force for 42 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
Mar 12, 1999, 3:53 PM CST (21:53 UTC)
Expired
Mar 12, 1999, 4:35 PM CST
In force
42 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Kinney County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 12, 3:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.9 hours before the alert went out and 41 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 1999-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2301 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 1999-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
2301 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
328 m²/s²
Significant tornado parameter
4.5
Supercell composite
17.6

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KSAT 122151 RRA
TORSAT
TXC271-122235-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
353 PM CST FRI MAR 12 1999

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  KINNEY COUNTRY IN SOUTH CENTRAL TEXAS

* UNTIL 435 PM CST

* AT 345 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 40 MILES WEST OF BRACKERVILLE... MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BRACKETVILLE AT 410 PM


IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE
THE THREAT OF RISING WATER.

DO NOT USE YOUR CAR TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED
AROUND BY TORNADIC WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO... LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO
STRUCTURE IS NEARBY...SEEK SAFETY IN A DITCH OR LOW SPOT. BE
MINDFUL OF RISING WATERS.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE... GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR. AVOID WINDOWS AND DOORS. ABANDON CARS AND MOBILE HOMES FOR
A STURDIER BUILDING OR 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.

In the hours before

Local storm report, Mar 12, 2:45 PM CST, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
245 PM CST FRI MAR 12 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PM    LOMA ALTA                 TX   1.75 INCH HAIL
03/12/99   VAL VERDE                      SHERIFF REPORT
                                          LASTED 20 MINUTES
Local storm report, Mar 12, 2:45 PM CST, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
245 PM CST FRI MAR 12 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PM    LOMA ALTA                 TX   1.75 INCH HAIL
03/12/99   VAL VERDE                      SHERIFF REPORT
                                          LASTED 20 MINUTES

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 11:09 AM CSTSevere Thunderstorm WarningEWXBurnet, Williamson41 min
Mar 12, 12:34 PM CSTSevere Thunderstorm WarningEWXVal Verde61 min
Mar 12, 12:39 PM CSTSevere Thunderstorm WarningEWXBurnet46 min
Mar 12, 1:15 PM CSTSevere Thunderstorm WarningEWXEdwards60 min
Mar 12, 1:47 PM CSTTornado WarningEWXEdwards, Val Verde63 min
Mar 12, 2:50 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney, Real, Val Verde60 min
Mar 12, 3:39 PM CSTSevere Thunderstorm WarningEWXBurnet61 min
Mar 12, 4:03 PM CSTSevere Thunderstorm WarningEWXLlano62 min
Mar 12, 4:17 PM CSTSevere Thunderstorm WarningEWXUvalde58 min
Mar 12, 4:45 PM CSTSevere Thunderstorm WarningEWXBurnet60 min
Mar 12, 5:16 PM CSTSevere Thunderstorm WarningEWXUvalde59 min
Mar 12, 5:21 PM CSTTornado WarningEWXBurnet, Travis64 min
Mar 12, 5:35 PM CSTTornado WarningEWXMedina, Uvalde60 min

Nearby

Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999

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.