Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at May 4, 1991, 7:57 PM CDT for Lavaca County, Texas. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- May 4, 1991, 7:57 PM CDT (00:57 UTC)
- Expired
- May 4, 1991, 9:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lavaca County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 1.0 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
- 4154 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 050058 TORVCT TXC285-050200- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE VICTORIA TX 757 PM CDT SAT MAY 4 1991 THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...LAVACA COUNTY AT 755 PM CDT VICTORIA RADAR SHOWED A SEVERE THUNDERSTORM WITH LARGE HAIL AND A POSSIBLE TORNADO SOUTH OF HALLETTSVILLE MOVING EAST AT 20 MILES AN HOUR. A RAINFALL OBSERVER REPORTED A TORNADO ON THE GROUND AND GOLF BALL SIZED HAIL AS THIS STORM MOVED SOUTH OF SHINER. IF THREATING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY...YOU SHOULD ASK THE NEA,REST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
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, May 4, 1:59 PM CDT, 5 hours 58 minutes before
TXZ054-042000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 200 PM CDT SAT MAY 4 1991 ...THE SEVERE THUNDERSTORM WATCH FOR VAL VERDE COUNTY HAS BEEN CANCELED... AT 158 PM CDT RADAR INDICATED NO PRECIPITATION IN VAL VERDE COUNTY. THE THUNDERSTORMS REPORTED EARLIER HAVE MOVED EAST OF THE COUNTY AND WERE LOCATED FROM BRACKETVILLE TO ROCKSPRINGS AND FURTHER NORTH. MOVEMENT WAS TO THE EAST AT 15 MPH.
Special weather statement, May 4, 2:51 PM CDT, 5 hours 6 minutes before
TXZ030-034>036-042045 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 243 PM CDT SAT MAY 04 1991 ...TORNADO WATCH HAS BEEN ISSUED MILLS...SAN SABA...LAMPASAS...LLANO... BURNET...WILLIAMSON...GILLESPIE...BLANCO...HAYS...CALDWELL...BASTROP... AND TRAVIS...UNTIL 9PM CDT... ...SEVERE THUNDERSTORM WATCH FOR CENTRAL TEXAS HAS BEEN CANCELLED... ...FLASH FLOOD WATCH FOR SOUTH CENTRAL TEXAS AND ADJACENT HILL COUNTRY THROUGH TONIGHT... AT 240 PM CDT...RADAR SHOWED A LINE OF THUNDERSTORMS FROM NORTHEAST OF DEL RIO TO HARPER TO LLANO CITY TO STAR. THIS LINE OF THUNDERSTORMS WAS MOVING TOWARD THE EAST AT 20 MPH. A THUNDERSTORM PRODUCING SMALL HAIL...VERY GUSTY SURFACE WINDS...AND VERY HEAVY RAINFALL WAS LOCATED OVER NORTH CENTRAL GILLESPIE COUNTY AND LLANO COUNTY. . . . THESE THUNDERSTORMS WILL BE MOVING OVER THE LAKE BUCHANAN VICINITY BETWEEN 2 PM AMD 230 PM CDT. PERSONS ON THE LAKE SHOULD IMMEDIATELY RETURN TO SHOlRE AND SEEK A PLACE OF SHELTER. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 4, 2:58 PM CDT, 4 hours 59 minutes before
TXZ030-034>036-042045 SPECIAL WEATHER STATEMENT...CORRECTION FOR TIME NATIONAL WEATHER SERVICE AUSTIN TX 243 PM CDT SAT MAY 04 1991 ...TORNADO WATCH HAS BEEN ISSUED MILLS...SAN SABA...LAMPASAS...LLANO... BURNET...WILLIAMSON...GILLESPIE...BLANCO...HAYS...CALDWELL...BASTROP... AND TRAVIS...UNTIL 9PM CDT... ...SEVERE THUNDERSTORM WATCH FOR CENTRAL TEXAS HAS BEEN CANCELLED... ...FLASH FLOOD WATCH FOR SOUTH CENTRAL TEXAS AND ADJACENT HILL COUNTRY THROUGH TONIGHT... AT 240 PM CDT...RADAR SHOWED A LINE OF THUNDERSTORMS FROM NORTHEAST OF DEL RIO TO HARPER TO LLANO CITY TO STAR. THIS LINE OF THUNDERSTORMS WAS MOVING TOWARD THE EAST AT 20 MPH. A THUNDERSTORM PRODUCING SMALL HAIL...VERY GUSTY SURFACE WINDS...AND VERY HEAVY RAINFALL WAS LOCATED OVER NORTH CENTRAL GILLESPIE COUNTY AND LLANO COUNTY. . . . THESE THUNDERSTORMS WILL BE MOVING OVER THE LAKE BUCHANAN VICINITY BETWEEN 3 PM AMD 330 PM CDT. PERSONS ON THE LAKE SHOULD IMMEDIATELY RETURN TO SHORE AND SEEK A PLACE OF SHELTER. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 4, 3:59 PM CDT, 3 hours 58 minutes before
TXZ030-034>036-042100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 353 PM CDT SAT MAY 04 1991 ...SEVERE THUNDERSTORM WARNING FOR LLANO COUNTY HAS BEEN CANCELLED... ...TORNADO WATCH IN EFFECT UNTIL 9 PM FOR MUCH OF CENTRAL TEXAS... ...FLASH FLOOD WATCH FOR SOUTH CENTRAL TEXAS AND ADJACENT HILL COUNTRY THROUGH TONIGHT... AT 350 PM CDT...RADAR SHOWED A LINE OF THUNDERSTORMS FROM BANDERA TO 10 MILES WEST OF ROUND MOUNTAIN TO LAMPASAS TO WEST OF WACO. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MPH. THE THUNDERSTORM OVER LLANO COUNTY HAS WEAKENED AND MOVED EAST INTO WESTERN BURNET COUNTY. ALTHOUGH THE STORM HAS WEAKENED...IT MAY CONTAIN SMALL HAIL AND VERY HEAVY RAINFALL. HEAVY RAINS FELL ACROSS NORTHERN BURNET COUNTY YESTERDAY AND ADDITIONAL RAINFALL MAY CAUSE FLOODING OF LOW LYING AREAS AND CREEKS. KEEP CHILDREN AWAY FROM ALL CREEKS AND DRAINAGE AREAS AND DO NOT ATTEMPT TO CROSS STREAMS OR LOW LYING AREAS WHERrE WATER COVERS THE ROAD. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 4, 4:00 PM CDT, 3 hours 57 minutes before
TXZ034-035-038-039-042200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 400 PM CDT SAT MAY 4 1991 ...THE SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR UVALDE COUNTY... ...A TORNADO WATCH IS IN EFFECT FOR THE TEXAS HILL COUNTRY AND THE EDWARDS PLATEAU UNTIL 9PM TONIGHT... ...A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF SOUTH CENTRAL AND SOUTHEAST TEXAS THROUGH TONIGHT... A LINE OF SHOWERS AND EMBEDDED THUNDERSTORMS FROM UVALDE TO KERRVILLE AND SAN SABA WERE MOVING EAST AT 25 MPH. SOME OF THE SHOWERS AND THUNDERSTORMS WILL MOVE INTO THE SAN ANTONIO AREAS WITHIN AN HOUR. SOME OF THE MORE INTENSE THUNDERSTORMS DROPPED PEA SIZE HAIL IN NORTHERN EDWARDS COUNTY AND WESTERN KERR COUNTY. THE RAINFALL RATE WERE FROM ONE HALF TO ONE INCH AN HOUR. NO REPORTS HAVE BEEN RECEIVED AT THIS TIME FROM NORTHWEST UVALDE COUNTY WERE RADAR DETECTED A SEVERE THUNDERSTORM EARLIER IN THE AFTERNOON. THUNDERSTORM DEVELOPMENyT HAS BEEN AIDED BY A DRY LINE AND AN UPPER LEVEL DISTURBANCE. THE POTENTIAL FOR SEVERE WEATHER DEVELOPMENT WILL CONTINUE THROUGH THIS AFTERNOON AND INTO TONIGHT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:07 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lee | 53 min |
Nearby
Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991
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.