Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 3, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 9, 1991, 3:29 PM CDT for Dimmit County, Zavala County, Texas. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Apr 9, 1991, 3:29 PM CDT (20:29 UTC)
- Expired
- Apr 9, 1991, 4:00 PM CDT
- In force
- 31 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Dimmit County, TX, Zavala County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 8.5 hours before the alert went out and 133 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
- 2464 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 092030
TORSAT
TXC127-507-092100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
329 PM CDT TUE APR 9 1991
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 400 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...NORTHERN DIMMIT...SOUTHERN ZAVALA
NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO FROM A
THUNDERSTORM ABOUT 5 MILES NORTHWEST OF CARRIZO SPRINGS IN NORTHERN
DIMMIT COUNTY. MOVEMENT WAS SLOWLY SOUTH.
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.
LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN WILL LIKELY
ACCOMPANY THIS STORM.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.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 9, 3:17 PM CDT, 12 minutes before
TXZ038-092200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 315 PM CDT TUE APR 9 1991 AT 315 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED AN ISOLATED THUNDERSTORM IN SOUTHERN ZAVALA COUNTY...10 MILES TO THE NORTHWEST OF CRYSTAL CITY. MOVEMENT WAS TO THE SOUTH AT A VERY SLOW RATE OF SPEED. IN ADDITION TO LOCALLY HEAVY RAINFALL...RESIDENTS IN THE PATH OF THE STORM IN SOUTHERN ZAVALA AND NORTHERN DIMMIT COUNTIES MAY EXPERIENCE SMALL HAIL...GUSTY WIND AND FREQUENT LIGHTNING AS THE STORM PASSES. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THIS STORM CLOSELY. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL UPDATES.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 3:52 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 53 min |
| Apr 9, 4:52 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Webb | 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.