Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 30, 1997, 5:51 AM CST for Medina County, Texas. It was in force for 54 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 30, 1997, 5:51 AM CST (11:51 UTC)
- Expired
- Mar 30, 1997, 6:45 AM CST
- In force
- 54 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Medina County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 6:10 AM CST | Thunderstorm Wind | Devine, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 11.9 hours before the alert went out and 168 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
- 907 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 2171 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 166 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 301151 RRA SVRSAT TXC325-301245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 551 AM CST SUN MAR 30 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...MEDINA COUNTY AT 550 RADAR INDICATED A SEVERE THUNDERSTORM APPROACHING THE TOWN OF DEVINE FROM THE NORTHWEST. THE STORM WAS MOVING SOUTHEAST 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 INPJURE 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 30, 1:43 AM CST, 4 hours 8 minutes before
TXZ171>173-183>194-202>209-217>225-228-301145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 145 AM CST SUN MAR 30 1997 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTH CENTRAL TEXAS... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR SOUTH CENTRAL TEXAS HAS BEEN CANCELLED FOR ALL OF SOUTH CENTRAL TEXAS. THE WATCH IS NO LONGER IN EFFECT FOR: BANDERA...BASTROP...BLANCO...BRAZOS...BURNET...COMAL...EDWARDS... GILLESPIE...HAYS...KENDALL...KERR...LEE...LLANO...MEDINA...REAL... TRAVIS...UVALDE AND WILLIAMSON COUNTIES. A COLD FRONT CONTINUES TO MOVE SOUTHWARD TOWARD SOUTH CENTRAL TEXAS THIS MORNING. THE SEVERE THUNDERSTORM THREAT HAS ENDED AT THIS TIME. HOWEVER...SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED AHEAD...ALONG AND BEHIND THE FRONT THROUGH THE MORNING AND INTO TODAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
Special weather statement, Mar 30, 1:45 AM CST, 4 hours 6 minutes before
TXZ171>173-183>194-202>209-217>225-228-301145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 145 AM CST SUN MAR 30 1997 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR SOUTH CENTRAL TEXAS... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR SOUTH CENTRAL TEXAS HAS BEEN CANCELLED FOR ALL OF SOUTH CENTRAL TEXAS. THE WATCH IS NO LONGER IN EFFECT FOR: BANDERA...BASTROP...BLANCO...BRAZOS...BURNET...COMAL...EDWARDS... GILLESPIE...HAYS...KENDALL...KERR...LEE...LLANO...MEDINA...REAL... TRAVIS...UVALDE AND WILLIAMSON COUNTIES. A COLD FRONT CONTINUES TO MOVE SOUTHWARD TOWARD SOUTH CENTRAL TEXAS THIS MORNING. THE SEVERE THUNDERSTORM THREAT HAS ENDED AT THIS TIME. HOWEVER...SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED AHEAD...ALONG AND BEHIND THE FRONT THROUGH THE MORNING AND INTO TODAY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 9:09 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 66 min |
| Mar 29, 9:41 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 64 min |
| Mar 30, 5:57 AM CST | Severe Thunderstorm Warning | EWX | Frio | 63 min |
| Mar 30, 7:01 AM CST | Severe Thunderstorm Warning | EWX | Frio | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.