Alert archive / Texas / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 74, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 20, 1995, 12:50 AM CDT for Williamson County, Texas. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1995, 12:50 AM CDT (05:50 UTC)
- Expired
- Apr 20, 1995, 1:30 AM CDT
- In force
- 40 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Williamson County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 5.8 hours before the alert went out and 245 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
- 1096 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 582 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 445 m²/s²
- 0-3 km storm-relative helicity
- 497 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 200550 SVRSAT TXC491-200630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1250 AM CDT THU APR 20 1995 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...WILLIAMSON COUNTY A SEVERE THUNDERSTORM WAS MOVING INTO THE EASTERN PART OF WILLIAMSON COUNTY APPROACHING THE CITIES OF HUTTO AND TAYLOR. THIS STORMS WILL LIKELY PRODUCE DAMAGING WINDS AND THIS STORMS HAS A HISTORY OF LARGE HAIL. THE MOVEMENT OF THE STORMS WAS TOWARD THE NORTHEAST AT 40 MPH. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO WATCH REMAINS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
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, Apr 19, 10:02 PM CDT, 2 hours 48 minutes before
TXZ171>173-188-190>193-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 10 PM CDT WED APR 19 1995 ...TORNADO WATCH IN EFFECT UNTIL 2 AM CDT FOR NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS... ...SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT UNTIL 1030 PM FOR BURNET COUNTY...AND UNTIL 1015 PM FOR LLANO COUNTY... STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS LLANO...GILESPIE AND BURNET COUNTIES. THESE STORMS HAVE PRODUCED LARGE HAIL AND DAMAGING WINDS. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR AN SHOULD MOVE INTO WILLIAMSON COUNTY WITHIN THE NEXT 30 MINUTES. PERSONS IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND BE fREADY TO MOVE TO A PLACE OF SAFETY IF A WARNING IS ISSUED OR THREATENING WEATHER IS SIGHTED.
Special weather statement, Apr 19, 10:26 PM CDT, 2 hours 24 minutes before
TXZ171>173-186>194-204>209-223-200430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1030 PM CDT WED APR 19 1995 ...SEVERE THUNDERSTORM WARNING FOR LLANO COUNTY HAS EXPIRED... ...SEVERE THUNDERSTORM WARNING FOR BURNET COUNTY HAS EXPIRED... ...A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY UNTIL 2 AM CDT... AT 1025 PM THE SEVERE THUNDERSTORM OVER LLANO COUNTY HAS MOVED EAST INTO BURNET COUNTY AND WEAKENED. HOWEVER THUNDERSTORMS HAVE DEVELOPED ALONG A LINE FROM WEST OF BANDERA TO KERRVILLE TO FREDERICKSBURG...AND CONTINUE OVER PARTS OF LLANO AND BURNET COUNTIES. THESE STORMS COULD INTENSIFY VERY QUICKLY AND BECOME SEVERE AS THE DRY LINE MOVES EASTWARD INTO VERY UNSTABLE AIR OVER THE REGION. NATIONAL WEATHER SERVICE DOPPLE RADAR CONTINUES TO MONITOR THESE STORMS...AND ADDITIONAL STATEMENTS AND OR WARNINGS WILL BE ISSUED THROUGHOUT THIS SEVERE WEATHER EVENT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 9:16 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 59 min |
| Apr 19, 9:21 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 69 min |
| Apr 19, 10:34 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 56 min |
| Apr 19, 10:46 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 44 min |
| Apr 19, 11:04 PM CDT | Tornado Warning | EWX | Blanco, Gillespie | 56 min |
| Apr 19, 11:20 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 55 min |
| Apr 20, 12:15 AM CDT | Severe Thunderstorm Warning | EWX | Hays, Travis | 60 min |
| Apr 20, 2:51 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 39 min |
| Apr 20, 6:31 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 44 min |
| Apr 20, 7:11 AM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 49 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995
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.