Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 65, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 18, 1998, 7:58 PM CST for Frio County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 18, 1998, 7:58 PM CST (01:58 UTC)
- Expired
- Feb 18, 1998, 9:00 PM CST
- In force
- 62 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Frio County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.0 hours before the alert went out and 177 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
- 64 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 2032 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
711 WUUS1 KSAT 190201 RRA SVRSAT TXC163-190300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 758 PM CST WED FEB 18 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...FRIO COUNTY AT 758 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES EAST OF PEARSALL. THIS STORM IS MOVING EAST AT 15 MILES AN HOUR AND IS ALSO DEVELOPING TO THE WEST. LARGE HAIL IS EXPECTED WITH THIS STORM. 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, Feb 18, 6:00 PM CST, 1 hour 58 minutes before
TXZ171>173-183>194-202>209-217>225-228-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CST WED FEB 18 1998 AN UPPER DISTURBANCE WILL PUSH ACROSS SOUTH CENTRAL TEXAS TONIGHT WITH SCATTERED THUNDERSTORMS POSSIBLE THIS EVENING..MAINLY OVER EASTERN AND SOUTHERN SECTIONS. SOME OF THESE STORMS COULD CONTAIN LARGE HAIL. RAINFALL AMOUNTS SHOULD AVERAGE 1/2 INCH OVER SOUTHERN AND EASTERN SECTIONS THIS EVENING WITH LOCAL AMOUNTS NEAR 2 INCHES IN SOME OF THE HEAVIER STORMS. HAZARDOUS WEATHER IS NOT EXPECTED ON THURSDAY. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
Special weather statement, Feb 18, 6:00 PM CST, 1 hour 58 minutes before
TXZ171>173-183>194-202>209-217>225-228-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CST WED FEB 18 1998 AN UPPER DISTURBANCE WILL PUSH ACROSS SOUTH CENTRAL TEXAS TONIGHT WITH SCATTERED THUNDERSTORMS POSSIBLE THIS EVENING..MAINLY OVER EASTERN AND SOUTHERN SECTIONS. SOME OF THESE STORMS COULD CONTAIN LARGE HAIL. RAINFALL AMOUNTS SHOULD AVERAGE 1/2 INCH OVER SOUTHERN AND EASTERN SECTIONS THIS EVENING WITH LOCAL AMOUNTS NEAR 2 INCHES IN SOME OF THE HEAVIER STORMS. HAZARDOUS WEATHER IS NOT EXPECTED ON THURSDAY. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: FOR SOUTHWEST TEXAS...FROM MIDLAND...LBBSPSMAF FOR THE CONCHO VALLEY...FROM SAN ANGELO...LBBSPSSJT FOR NORTH TEXAS...FROM FORT WORTH...FTWSPSFTW FOR SOUTHEAST TEXAS...FROM HOUSTON/GALVESTON...SATSPSHOU FOR COASTAL BEND/RIO GRANDE PLAINS...FROM CORPUS CHRISTI...SATSPSCRP. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNEXPECTED HAZARDOUS WEATHER DEVELOPS OR IF EXPECTED HAZARDOUS WEATHER NO LONGER IS FORECAST TO DEVELOP. ADDITIONAL WEATHER INFORMATION IS AVAILABLE ON THE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT: HTTP://WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE CLOSEST NOAA WEATHER RADIO STATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 6:03 PM CST | Tornado Warning | EWX | Atascosa | 42 min |
| Feb 18, 6:04 PM CST | Tornado Warning | EWX | Wilson | 41 min |
| Feb 18, 6:17 PM CST | Severe Thunderstorm Warning | EWX | Llano | 58 min |
| Feb 18, 6:29 PM CST | Severe Thunderstorm Warning | EWX | Karnes | 46 min |
| Feb 18, 6:43 PM CST | Tornado Warning | EWX | Karnes | 62 min |
| Feb 18, 6:49 PM CST | Severe Thunderstorm Warning | EWX | Bastrop | 56 min |
| Feb 18, 6:54 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 66 min |
| Feb 18, 7:03 PM CST | Severe Thunderstorm Warning | EWX | Williamson | 57 min |
| Feb 18, 7:22 PM CST | Severe Thunderstorm Warning | EWX | DeWitt, Gonzales | 68 min |
| Feb 18, 7:40 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 65 min |
| Feb 18, 8:14 PM CST | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Feb 18, 8:48 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 57 min |
| Feb 18, 8:57 PM CST | Severe Thunderstorm Warning | EWX | Karnes | 63 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
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.