Alert archive / Texas / Tornado Warnings in 1998
Tornado Warning 20, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this tornado warning at Apr 8, 1998, 4:45 AM CDT for Hays County, Travis County, Texas. It was in force for 60 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
- Apr 8, 1998, 4:45 AM CDT (09:45 UTC)
- Expired
- Apr 8, 1998, 5:45 AM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Hays County, TX, Travis County, TX
The radar
The Austin/San Antonio radar (KEWX), 56 km from the middle of the area, began a volume at 10:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 4:57 AM CDT | Tornado F0 | Wimberley, TX | |
| Apr 8, 5:10 AM CDT | Thunderstorm Wind | Creedmoor, 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
Corpus Christi, TX (KCRP), launched 00:00Z, 9.8 hours before the alert went out and 280 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
- 896 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 852 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
547 WFUS1 KSAT 080952 RRA TORSAT TXC209-453-081045- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 445 AM CDT WED APR 8 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 545 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...HAYS COUNTY...TRAVIS COUNTY THE PUBLIC REPORTED A TORNADO AT 440 AM NEAR WIMBERLY...MOVING EAST NORTHEAST AT 50 MPH. THE TORNADO IS EXPECTED TO TRACK ACROSS SOUTHERN TRAVIS COUNTY. THIS IS A DANGEROUS STORM...ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES. &
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Apr 8, 4:01 AM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CST WED APR 08 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 AM LLANO TX .75 INCH HAIL
04/08/98 LLANO REPORTED BY SHERIFF.
0342 AM KINGSLAND TX 1.75 INCH HAIL
04/08/98 LLANO HAIL COVERING GROUND
REPORTED BY SHERIFF.
0342 AM LAKE BUCHANAN TX 60 MPH TSTM GUST
04/08/98 BURNET REPROTED BY SHERIFF.
0356 AM BERTRAM TX .88 INCH HAIL
04/08/98 BURNET REPORTED BY SPOTTER.
0325 AM LLANO TX 60 MPH TSTM GUST
04/08/98 LLANO REPORTED BY SPOTTER.
0342 AM LAKE BUCHANAN TX .88 INCH HAIL
04/08/98 BURNET REPORTED BY SHERIFF.Local storm report, Apr 8, 4:01 AM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CST WED APR 08 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0320 AM LLANO TX .75 INCH HAIL
04/08/98 LLANO REPORTED BY SHERIFF.
0342 AM KINGSLAND TX 1.75 INCH HAIL
04/08/98 LLANO HAIL COVERING GROUND
REPORTED BY SHERIFF.
0342 AM LAKE BUCHANAN TX 60 MPH TSTM GUST
04/08/98 BURNET REPROTED BY SHERIFF.
0356 AM BERTRAM TX .88 INCH HAIL
04/08/98 BURNET REPORTED BY SPOTTER.
0325 AM LLANO TX 60 MPH TSTM GUST
04/08/98 LLANO REPORTED BY SPOTTER.
0342 AM LAKE BUCHANAN TX .88 INCH HAIL
04/08/98 BURNET REPORTED BY SHERIFF.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 2:57 AM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 2 hr |
| Apr 8, 3:28 AM CDT | Severe Thunderstorm Warning | EWX | Burnet | 62 min |
| Apr 8, 3:46 AM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 59 min |
| Apr 8, 4:11 AM CDT | Severe Thunderstorm Warning | EWX | Blanco | 64 min |
| Apr 8, 4:30 AM CDT | Severe Thunderstorm Warning | EWX | Comal, Hays | 60 min |
Nearby
Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes 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; radar from the NEXRAD Level II archive.