Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 4, NWS Austin/San Antonio, TX

January 1, 1999Gonzales County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jan 1, 1999, 7:32 PM CST for Gonzales County, Texas. It was in force for 63 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jan 1, 1999, 7:32 PM CST (01:32 UTC)
Expired: Jan 1, 1999, 8:35 PM CST
In force: 63 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Gonzales County, TX

What was reported inside it

Time	Report	Where	Remark
Jan 1, 8:00 PM CST	Hail 1.75	Leesville, TX
Jan 1, 8:05 PM CST	Tornado F0	Leesville, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 1, 7:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.5 hours before the alert went out and 193 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1786 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 301 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 020132 RRA
TORSAT

TXC177-020235-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
732 PM CST FRI JAN 1 1999

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

* TORNADO WARNING FOR...
  GONZALES IN TEXAS

* UNTIL 835 PM CST

* AT 730 PM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO NEAR LEESVILLE... MOVING EAST NORTHEAST NEAR 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MONTHALIA AND COST WITHIN THE NEXT 15 TO 30 MINUTES AND GONZALES
  IN THE 30 TO 45 MINUTES.

A FUNNEL CLOUD HAS BEEN REPORTED FROM THIS STORM NEAR STOCKDALE BY
LAW ENFORCEMENT.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

JDS

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT
AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT
DRIVE THROUGH WATER OF UNKNOWN DEPTH.

&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 6:20 PM CST	Severe Thunderstorm Warning	EWX	Bastrop, Travis, Williamson	75 min
Jan 1, 6:58 PM CST	Tornado Warning	EWX	Lee	47 min
Jan 1, 7:03 PM CST	Tornado Warning	EWX	Guadalupe, Wilson	62 min
Jan 1, 7:12 PM CST	Severe Thunderstorm Warning	EWX	Gonzales	93 min
Jan 1, 7:19 PM CST	Tornado Warning	EWX	Caldwell	61 min
Jan 1, 8:05 PM CST	Flash Flood Warning	EWX	Gonzales	2 hr
Jan 1, 8:26 PM CST	Severe Thunderstorm Warning	EWX	Fayette, Lavaca	89 min
Jan 1, 8:50 PM CST	Tornado Warning	EWX	Lavaca	65 min
Jan 1, 9:19 PM CST	Tornado Warning	EWX	Gonzales, Lavaca	61 min
Jan 1, 9:25 PM CST	Flash Flood Warning	EWX	Lavaca	3 hr
Jan 1, 10:43 PM CST	Flash Flood Warning	EWX	Fayette, Gonzales	92 min
Jan 1, 10:43 PM CST	Severe Thunderstorm Warning	EWX	Fayette, Gonzales	92 min
Jan 1, 11:31 PM CST	Flash Flood Warning	EWX	Fayette, Lavaca	119 min

Nearby

Tornado Warnings in Texas, 1999 Every tornado warning in 1999 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.