Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 27, 1991, 10:45 AM CDT for Uvalde County, Texas. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1991, 10:45 AM CDT (15:45 UTC)
- Expired
- Apr 27, 1991, 11:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Uvalde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 3.8 hours before the alert went out and 104 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
- 4306 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 271547
TORSAT
TXC463-271630-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1045 AM CDT SAT APR 27 1991
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...NORTHERN UVALDE
AT 1045 AM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM IN THE NORTHERN PARTS OF UVALDE COUNTY WITH A POSSIBLE
TORNADO. THE STORM IS MOVING EASTWARD AT 30 MPH.
IF YOU ARE IN THE PATH OF THIS STORM...GO TO A BASEMENT SHELTER OR A
CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.
LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN WILL LIKELY
ACCOMPANY THIS STORM.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, Apr 27, 9:05 AM CDT, 1 hour 40 minutes before
TXZ034>36-38>41-054-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 900 AM CDT WED APR 24 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL 3PM CDT FOR THE TEXAS HILL COUNTRY ADJACENT SECTIONS OF SOUTH CENTRAL TEXAS. THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORMS WATCH EFFECTIVE UNTIL 3 PM THIS AFTERNOON THE TEXAS HILL COUTRY AND ADJANCET SECTIONS OF SOUTH CENTRAL TEXAS. THE METROPOLITAN AREAS OF SAN ANTONIO AND AUSTIN ARE INCLUDED IN THE WATCH ALONG WITH THE CITIES OF DEL RIO...EAGLE PASS...KERRVILLE AND UVALDE. AT 9 AM CDT HONDO RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH EDWARDS COUNTY. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR. PEA SIZE HAIL HAS BEEN REPORTED IN VAL VERDE COUNTY. CONDITIONS ARE VERY FAVORABLE FOR THESE THUNDERSTORMS TO BECOME SEVERE WITH STRONG GUSTY WINDS OF 50 MILES AN HOUR OR GREATER...LARGE HAIL FREQUENT LIGHTNING AND BRIEF H EAVY RAINFALL. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN FOR THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN CASE WARNINGS ARE REQUIRED.
Special weather statement, Apr 27, 9:07 AM CDT, 1 hour 38 minutes before
TXZ034>36-38>41-054-272000- SPECIAL WEATHER STATEMENT...CORRECTED FOR DATE NATIONAL WEATHER SERVICE SAN ANTONIO TX 905 AM CDT SAT APR 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL 3PM CDT FOR THE TEXAS HILL COUNTRY ADJACENT SECTIONS OF SOUTH CENTRAL TEXAS. THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORMS WATCH EFFECTIVE UNTIL 3 PM THIS AFTERNOON THE TEXAS HILL COUTRY AND ADJANCET SECTIONS OF SOUTH CENTRAL TEXAS. THE METROPOLITAN AREAS OF SAN ANTONIO AND AUSTIN ARE INCLUDED IN THE WATCH ALONG WITH THE CITIES OF DEL RIO...EAGLE PASS...KERRVILLE AND UVALDE. AT 9 AM CDT HONDO RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH EDWARDS COUNTY. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR. PEA SIZE HAIL HAS BEEN REPORTED IN VAL VERDE COUNTY. CONDITIONS ARE VERY FAVORABLE FOR THESE THUNDERSTORMS TO BECOME SEVERE WITH STRONG GUSTY WINDS OF 50 MILES AN HOUR OR GREATER...LARGE HAIL FREQU%ENT LIGHTNING AND BRIEF HEAVY RAINFALL. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN FOR THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN CASE WARNINGS ARE REQUIRED.
Special weather statement, Apr 27, 9:08 AM CDT, 1 hour 37 minutes before
TXZ054-271615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 908 AM CDT SAT APR 27 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL 3 PM THIS AFTERNOON... THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUE MILES EITHER SIDE OF A LINE FROM 60 MILES SOUTH SOUTHEAST OF DEL RIO TEXAS TO 10 MILES SOUTHEAST OF AUSTIN TEXAS. THE MOST THREATENED AREA OF VAL VERDE COUNTY WILL BE THE SOUTHERN SECTIONS. AT 910 AM CDT SHOWESR AND THUNDERSTORMS WERE LOCATED FROM DEL RIO NORTHEAST TO ROCKSPRINGS. THE STRONGEST STORMS WERE IN THE ROCKSPRINGS AREA AND ABOUT 10 MILES NORTHEAST OF DEL RIO. MOVEMENT OF THIS AREA OF STORMS WAS TO THE EAST WITH INDIVIDUAL STORMS MOVING NORTHEAST AT 25 MPH. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. A FEW STORMS MAY PRODUCE 3/4 INCH HAIL OR LARGER...SURFACE WIND GUSTS 58 MPH O+R GREATER. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Apr 27, 10:01 AM CDT, 44 minutes before
TXZ034>036-271600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1000 AM CDT SAT 27 APR 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 PM CDT FOR BLANCO...HAYS... TRAVIS...WILLIAMSON...BURNET...GILLESPIE...CALDWELL...BASTROP...AND LLANO COUNTIES... AT 955 AM CDT...RADAR SHOWED SHOWERS AND THUNDERSTORMS WERE FROM 40 MILES EAST OF DEL RIO TO 25 MILES WEST OF KERVILLE TO MASON TO SAN SABA. THE STRONGEST THUNDERSTORM WAS LOCATED 25 MILES WEST OF KERRVILLE. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 35 MPH. CONDITIONS REMAIN FAVORABLE FOR THESE THUNDERSTORMS TO BECOME SEVERE WITH STRONG GUSTY SURFACE WINDS...LARGE HAIL...DEADLY LIGHTNING AND BRIEF HEAVY RAINFALL. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN TO LOCAL TV/RADIO OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 27, 10:07 AM CDT, 38 minutes before
TXZ034>36-38>41-054-272000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1005 AM CDT SAT APR 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT TIL 3PM CDT FOR THE TEXAS HILL COUNTRY ADJACENT SECTIONS OF SOUTH CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 3 PM FOR THE TEXAS HILL COUNTRY AND ADJACENT AREAS OF SOUTH CENTRAL TEXAS. THE METROPOLITAN AREAS OF SAN ANTONIO AND AUSTIN ARE INCLUDED IN THE WATCH ALONG WITH THE CITIES OF EAGLE PASS...KERRVILLE...UVALDE AND LAREDO. THE CITY OF DEL RIO IS NO LONGER IN THE WATCH AREA. AT 10 AM CDT HONDO RADAR INDICATED A LINE OF THUNDERSTORMS ENTERING UVALDE...BANDERA AND KERR COUNTIES. THESE STORMS WERE MOVING RAPIDLY TO THE EAST AT 45 MPH. PEA SIZE HAIL AND STRONG WINDS WERE REPORTED IN ROCK SPRINGS AS THE STORMS MOVED ACROSS EDWARDS COUNTY IN THE LAST HOUR. < CONDITIONS ARE VERY FAVORABLE FOR THESE STORMS TO BECOME SEVERE WITH STRONG GUSTY WINDS OF 50 MILES AN HOUR OR GREATER...LARGE HAIL FREQUENT LIGHTNING AND BRIEF HEAVY RAINFALL. PERSONS IN AND NEAR THE WATCH AREA ARE URGED TO LISTEN FOR THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE IN CASE WARNINGS ARE REQUIRED.
Special weather statement, Apr 27, 10:17 AM CDT, 28 minutes before
TXZ054-271615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1017 AM CDT SAT APR 27 1991 ...SEVERE THUNDERSTORM WATCH FOR VAL VERDE COUNTY HAS BEEN CANCELLED... AT 1015 AM CDT VAL VERDE COUNTY AND THE CITY OF DEL RIO ARE NO LONGER IN THE SEVERE THUNDERSTORN WATCH AREA. A FEW SHOWERS LINGERED SOUTHEAST OF DEL RIO BUT MOST OF THE THUNDERSTORMS HAVE MOVED EAST OF VAL VERDE COUNTY. MOVEMENT WAS TO THE EAST NORTHEAST AT 35 MPH. NNNN
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.