Alert archive / Texas / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 22, 1993, 4:44 PM CST for McMullen County, Texas. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Mar 22, 1993, 4:44 PM CST (22:44 UTC)
- Expired
- Mar 22, 1993, 5:15 PM CST
- In force
- 31 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County McMullen County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.7 hours before the alert went out and 139 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
- 640 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 222254 COR SVRSAT TXC311-222315- BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED FOR TIMES SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 444 PM CST MON MAR 22 1993 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...EAST CENTRAL MCMULLEN COUNTY AT 442 PM RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES SOUTH OF TILDEN MOVING EAST AT 25 MPH. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES... SOMETIMES BUILDINGS. VERY LARGE HAIL CAN INJURE ANYONE CAUGHT OUTSIDE.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Mar 22, 2:33 PM CST, 2 hours 11 minutes before
TXZ034>037-222130 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 225 PM CST MAR 22 1993 ...THUNDERSTORMS CONTINUE TO FORM AND SPREADOUT OVER SOUTHCENTRAL TEXAS... AT 220 PM...RADAR SHOWED THUNDERSTORMS WITH HEAVY RAINS...SOUTH OF BLANCO ...NORTHWEST OF LAKE TRAVIS NEAR JONESTOWN...OVER LEXINGTON AND NEAR CAMERON. THEY WERE MOVING TOWARDS THE EAST AT 25 MPH. THESE SHOWERS AND THUNDERSTORMS WERE FORMING OUT AHEAD OF A WEAK COLD FRONT...WHICH WAS MOVING VERY SLOWLY TOWARDS THE SOUTHEAST. THE RAIN AND THUNDERSTORM ACTIVITY WILL LIKELY REACH A PEAK DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. SO MAKE PREPARATIONS NOW FOR BRIEF HEAVY RAINS...GUSTY WINDS AND POSSIBLY SM@ALL HAIL. JVD
Special weather statement, Mar 22, 2:53 PM CST, 1 hour 51 minutes before
TXZ035-038-039-054-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 230 PM CST MON MAR 22 1993 ...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE ACROSS SOUTH TEXAS... A WIDE BAND OF SHOWER AND THUNDERSTORMS STRETCHED ACROSS THE HILL COUNTRY EASTWARD THROUGH SOUTH CENTRAL AND SOUTHEAST TEXAS THIS AFTERNOON. MOVEMENT OF THE RAINS WERE TO THE EAST AT 25 MPH ALONG TWO SURFACE BOUNDARIES. ONE BOUNDARY...A WEAKENING WARM FRONT...STRETCHED FROM ROCKSPRINGS EAST TO HOUSTON AND BEYOND. THE OTHER BOUNDARY...A COLD FRONT...WAS LOCATED NEAR SANDERSON IN THE EDWARDS PLATEAU REGION NORTHEASTWARD THROUGH JUNCTION AND WACO. AS THE COLD FRONT MOVES SOUTH...REACTING WITH THE MOIST UNSTABLE AIR OVER SOUTH TEXAS...SHOWERS AND THUNDERSTORMS WITH LOCALLY HIGH RAINFALL RATES DEVELOP. BECAUSE OF THE SLOW MOVMENT OF THE COLD FRONT SOME SHOWERS AND THUNDERSTORMS MAYTRAVERSE THE SAME AREAS THROUGH TONIGHT CAUSING THE SOIL TO BECOME SATURATED LEADING TO RUNOFF INTO CREEKS AND RIVERS VIA THE LOW WATER CROSSINGS AND OTHER LOW LYING AREAS. CHANCES FOR SHOWERS AND THUNDERSTORMS REMAIN HIGH THROUGH TONIGHT OVER THE EDWARDS PLATEAU AND THE ADJACENT HILL COUNTRY EASTWARD THROUGH SOUTH CENTRAL AND SOUTHEAST TEXAS. PERSONS LIVING IN OR NEAR FLOOD PLAINS SHOULD BE AWARE OF THE POSSIBILITY OF LARGE RAINFALL AMOUNTS TONIGHT AND BE PREPARED TO MOVE TO HIGHER GROUND IF NECESSARY. DO NOT ATTEMPT TO CROSS AREAS COVERED WITH WATERS OF UNKNOWN DEPTHS...BUT USE ALTERNATE ROUTES TO REACH YOUR DESTINATION. THE NATIONAL WEATHER SERVICE OFFICES ACROSS SOUTH TEXAS WILL PROVIDE STATEMENTS THROUGH THE EVENING ON THIS RAINFALL EVENT TO KEEP YOU INFORMED OF THE LATEST DEVELOPMENTS.
Special weather statement, Mar 22, 3:38 PM CST, 1 hour 6 minutes before
TXZ034>037-222230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 340 PM CST MAR 22 1993 ...INTENSE THUNDERSTORM 25 MILES SOUTHWEST OF AUSTIN... AT 335 PM...RADAR SHOWED A VERY LARGE THUNDERSTORM...WITH A RAINFALL RATE ESTIMATED AT JUST OVER ONE INCH PER HOUR...TO BE OVER MUCH OF HAYS COUNTY...UNCLUDING BUDA/KYLE/DRIPPING SPRINGS AND NEAR SAN MARCOS. IT WAS MOVING TOWARDS THE EAST NORTHEAST AT 20 MPH. PERSONS IN HAYS...SOUTHERN RTRAVIS AND NORTHERN CALDWELL COUNTIES SHOULD BE PREPARED FOR BRIEF HEAVY RAINS...GUSTY WINDS AND SMALL HAIL. JVD
Special weather statement, Mar 22, 3:50 PM CST, 54 minutes before
TXZ035-038-039-054-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 335 PM CST MON MAR 22 1993 ...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE ACROSS SOUTH TEXAS... AT 345 PM AN AREA OF SHOWER AND THUNDERSTORMS STRETCHED ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. STRONG THUNDERSTORMS WERE LOCATED SOUTHEAST OF COTULLA AND IN THE EAST PART OF COMAL COUNTY. THESE STORM WERE MOVING TO THE NORTHEAST AT 20 MPH. PERSON IN SOUTH CENTRAL TEXAS AND THE HILL COUNTRY SHOULD BE PREPARED FOR BRIEF HEAVY RAIN...GUSTY WINDS AND SMALL HAIL AS THESE AND OTHER STORMS MOVE THROUGH THE AREA THIS AFTERNOON AND TONIGHT. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INF|ORMATION.
Special weather statement, Mar 22, 3:58 PM CST, 46 minutes before
TXZ036-222300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 400 PM CST MAR 22 1993 ...VERY INTENSE THUNDERSTORM SOUTH OF AUSTIN... AT 355 PM...RADAR SHOWED A LARGE CLUSTER OF THUNDERSTORMS OVER MUCH OF HAYS...SOUTHERN TRAVIS AND NORTHERN CALDWELL COUNTIES. MARBLE SIZE HAIL WAS REPORTED BY THE HAYS COUNTY SHERIFFS OFFICE AT HWY 21...SOUTH OF FM 150 AT 340 PM. PERSONS IN HAYS...SOUTHERN TRAVIS AND NORTHERN CALDWELL COUNTIES SHOULD BE PREPARED FOR BRIEF HEAVY RAINS...GUSTY WINDS AND SMALL HAIL UNTIL ABOUT 5 PM. JVD
Special weather statement, Mar 22, 4:24 PM CST, 20 minutes before
TXZ036-037-222315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 420 PM CST MAR 22 1993 ...VERY INTENSE THUNDERSTORM SOUTH OF TRAVIS COUNTY... AT 418 PM...RADAR SHOWED A LARGE THUNDERSTORM EXTENDING FROM SAN MARCOS EASTWARD TO JUST WEST OF SMITHVILLE. IT WAS MOVING TO THE EAST AT 20 MILES AN HOUR. MARBLE SIZE HAIL HAD BEEN REPORTED EARLIER OVER HAYS COUNTY WITH THIS STORM. PERSONS IN CALDWELL...SOUTHERN BASTROP AND WESTERN FAPYETTE COUNTIES CAN EXPECT BRIEF HEAVY RAINS...GUSTY WINDS AND SMALL HAIL UNTIL ABOUT 530 PM. JVD
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 3:22 PM CST | Severe Thunderstorm Warning | EWX | Victoria | 53 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1993Every severe thunderstorm warning in 1993
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.