Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 202, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 29, 1998, 6:14 PM CDT for Williamson County, Texas. It was in force for 61 min. 2 reports 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
- Aug 29, 1998, 6:14 PM CDT (23:14 UTC)
- Expired
- Aug 29, 1998, 7:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Williamson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 29, 6:20 PM CDT | Thunderstorm Wind | Cedar Park, TX | |
| Aug 29, 6:22 PM CDT | Thunderstorm Wind 69 | Cedar Park, 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.2 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
- 402 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1923 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
629 WUUS1 KSAT 292316 RRA SVRSAT TXC491-300015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 614 PM CDT SAT AUG 29 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 715 PM CDT * AT 615 PM CDT... A SEVERE THUNDERSTORM WAS INDICATED JUST NORTH OF TAYLOR... BY AREA LAW ENFORCEMENT... MOVING SOUTHWEST AT 10 TO 15 MPH. * SOME CITIES AND LOCATIONS IN THE PATH OF THIS STORM ARE... HUTTO BY 630 PM CDT WEIR BY 630 PM CDT DAMAGE HAS ALREADY BEEN REPORTED WITH THIS STORM SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. &
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, Aug 29, 6:00 PM CDT, 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT AUG 29 1998 THERE IS A CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTHERN PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL DARK. INSTABILITY ALOFT AND A THERMAL LOW PRODUCED FROM HIGH TEMPERATURES AT THE SURFACE COMBINED TO HELP PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE NORTHERN HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON. THIS ACTIVITY SHOULD CONTINUE TIL DARK WITH THE MAIN THREATS BEING LOCALIZED HEAVY RAINS AND FLOODING AND DOWNBURST WINDS..POSSIBLY IN EXCESS OF 50 MILES AN HOUR. A SLIGHT CHANCE OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGHOUT SOUTH CENTRAL TEXAS AND THE HILL COUNTRY WITH A SIMILAR SCENARIO EXPECTED. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECAST...SHORT TERM FORECAST...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 NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: SOUTHWEST TEXAS FROM MIDLAND LBBSPSMAF...WWUS35 KMAF CONCHO VALLEY FROM SAN ANGELO LBBSPSSJT...WWUS35 KSJT NORTH TEXAS FROM FORT WORTH FTWSPSFTW...WWUS35 KFTW SOUTHEAST TEXAS FROM HOUSTON/GALVESTON SATSPSHOU...WWUS35 KHOU COASTAL BEND/ FROM CORPUS CHRISTI SATSPSCRP...WWUS35 KCRP RIO GRANDE PLAINS
Special weather statement, Aug 29, 6:00 PM CDT, 14 minutes before
TXZ171>173-183>194-202>209-217>225-228-301100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SAT AUG 29 1998 THERE IS A CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTHERN PORTIONS OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL DARK. INSTABILITY ALOFT AND A THERMAL LOW PRODUCED FROM HIGH TEMPERATURES AT THE SURFACE COMBINED TO HELP PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE NORTHERN HILL COUNTRY AND NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS LATE THIS AFTERNOON. THIS ACTIVITY SHOULD CONTINUE TIL DARK WITH THE MAIN THREATS BEING LOCALIZED HEAVY RAINS AND FLOODING AND DOWNBURST WINDS..POSSIBLY IN EXCESS OF 50 MILES AN HOUR. A SLIGHT CHANCE OF SEVERE THUNDERSTORMS WILL CONTINUE SUNDAY THROUGHOUT SOUTH CENTRAL TEXAS AND THE HILL COUNTRY WITH A SIMILAR SCENARIO EXPECTED. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECAST...SHORT TERM FORECAST...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 NATIONAL WEATHER SERVICE CENTRAL AND SOUTH CENTRAL TEXAS HOME PAGE OF THE INTERNET WORLD WIDE WEB AT WWW.SRH.NOAA.GOV/EWX OR TUNE TO THE VOICE OF THE NATIONAL WEATHER SERVICE...NOAA WEATHER RADIO...OPERATING ON A FREQUENCY BETWEEN 162.400 MHZ AND 162.550 MHZ. NEARBY HAZARDOUS WEATHER OUTLOOKS INCLUDE: SOUTHWEST TEXAS FROM MIDLAND LBBSPSMAF...WWUS35 KMAF CONCHO VALLEY FROM SAN ANGELO LBBSPSSJT...WWUS35 KSJT NORTH TEXAS FROM FORT WORTH FTWSPSFTW...WWUS35 KFTW SOUTHEAST TEXAS FROM HOUSTON/GALVESTON SATSPSHOU...WWUS35 KHOU COASTAL BEND/ FROM CORPUS CHRISTI SATSPSCRP...WWUS35 KCRP RIO GRANDE PLAINS
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 4:47 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 43 min |
| Aug 29, 5:01 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Aug 29, 5:56 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 94 min |
| Aug 29, 6:28 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 62 min |
| Aug 29, 6:31 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 59 min |
| Aug 29, 6:39 PM CDT | Tornado Warning | EWX | Travis | 61 min |
| Aug 29, 6:46 PM CDT | Tornado Warning | EWX | Travis | 59 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.