Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 5, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Jan 1, 1999, 8:50 PM CST for Lavaca County, Texas. It was in force for 65 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, 8:50 PM CST (02:50 UTC)
- Expired
- Jan 1, 1999, 9:55 PM CST
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lavaca County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 1, 9:20 PM CST | Hail 1.75 | Shiner, TX | |
| Jan 1, 9:45 PM CST | Tornado F0 | Shiner, 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, 2.8 hours before the alert went out and 188 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 020250 RRA TORSAT TXC285-020355- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 850 PM CST FRI JAN 1 1999 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * TORNADO WARNING FOR... LAVACA IN TEXAS * UNTIL 955 PM CST * AT 848 PM CST... WAS INDICATED BY NATIONAL WEATHER SERVICE RADAR A DEVELOPING TORNADO 6 MILES NORTHWEST OF HALLETTSVILLE... MOVING NORTHEAST AT 35 MPH. * SOME CITIES AND LOCATIONS IN THE PATH OF THIS STORM ARE... HACKBERRY AT 900 PM CST IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM AWAY FROM WINDOWS. 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.
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
Special weather statement, Jan 1, 6:12 PM CST, 2 hours 38 minutes before
TXZ171>173-183>194-202>209-217>225-228-021200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 612 PM CST FRI JAN 1 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AND FLASH FLOODING THIS EVENING ACROSS EASTERN SECTIONS OF SOUTH CENTRAL TEXAS. A LINE OF HEAVY RAIN PRODUCING AND POTENTIALLY SEVERE THUNDERSTORMS WILL BE MOVING THROUGH THE AREA. THE LINE OF STORMS EXTENDS FROM EASTERN BEXAR COUNTY NORTHEAST TO EASTERN WILLIAMSON COUNTY. THIS LINE OF STORMS IS MOVING SLOWLY TO THE EAST AND WILL BRING HEAVY RAIN AND STRONG GUSTY WINDS THROUGH GUADALUPE...CALDWELL... BASTROP AND LEE COUNTIES UNTIL AROUND 900 PM. THESE STORMS WILL PRODUCE RAINFALL RATES OF 1 TO 2 INCHES PER HOUR. HEAVY AND PERSISTENT RAIN MAY BRING FLASH FLOODING TO THOSE COUNTIES EAST OF THE I-35 CORRIDOR FROM AROUND SAN ANTONIO TO AUSTIN. THE THREAT OF SEVERE WEATHER WILL END FROM WEST TO EAST AND SHOULD BE AFTER MIDNIGHT. SPOTTER NETWORKS WILL NEED TO BE ACTIVATED EAST OF THE HILL COUNTRY THIS EVENING. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: SOUTHWEST TEXAS FROM MIDLAND LBBSPSMAF...WWUS35 KMAF CONCHO VALLEY FROM SAN ANGELO LBBSPSSJT...WWUS35 KSJT NORTH TEXAS FROM FORT WORTH FTWSPSFTW...WWUS35 KFTW SOUTHEAST TEXAS FROM HOUSTON/GALVESTON SATSPSHOU...WWUS35 KHOU COASTAL BEND/ FROM CORPUS CHRISTI SATSPSCRP...WWUS35 KCRP RIO GRANDE PLAINS THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. THE OFFICIAL SOURCE OF NATIONAL WEATHER SERVICE DATA AND PRODUCTS IS THE NOAA WEATHER RADIO...NOAA WEATHER WIRE...FAMILY OF SERVICES AND EMWIN. THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO... OPERATING ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX. TIMELY DELIVERY OF DATA AND PRODUCTS FROM THIS SERVER THROUGH THE INTERNET IS NOT GUARANTEED... UNLIKE DATA AND PRODUCTS DELIVERED FROM THE OFFICIAL NATIONAL WEATHER SERVICE SOURCES.
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, 7:32 PM CST | Tornado Warning | EWX | Gonzales | 63 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, 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, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.