Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 15, NWS Austin/San Antonio, TX

February 25, 1998Atascosa County, Bexar County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Feb 25, 1998, 9:09 PM CST for Atascosa County, Bexar County, Texas. It was in force for 51 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
Feb 25, 1998, 9:09 PM CST (03:09 UTC)
Expired
Feb 25, 1998, 10:00 PM CST
In force
51 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Atascosa County, TX, Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 76 km from the middle of the area, began a volume at 03:12 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

TimeReportWhereRemark
Feb 25, 9:20 PM CSTTornado F1Lytle, TX
Feb 25, 9:23 PM CSTTornado F1Somerset, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 25, 8:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.2 hours before the alert went out and 198 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1002 J/kg
Mixed-layer CIN
-324 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

954 
WFUS1 KSAT 260310 RRA
TORSAT
TXC013-029-260400-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
909 PM CST WED FEB 25 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1000 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...NORTHWESTERN ATASCOSA COUNTY...BEXAR COUNTY
 
AT 905 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A TORNADO
OVER SOUTHEASTERN MEDINA COUNTY MOVING NORTHEAST AT 35 MPH.
 
IN NORTHEASTERN ATASCOSA COUNTY LYTLE IS IN THE PATH OF THIS STORM.
IN BEXAR COUNTY VON ORMY AND SOMERSET ARE IN THE PATHC OF THIS STORM.
 
RADAR INDICATED THE TORNADO WAS IN SOUTHEASTERN MEDINA COUNTY MOVING
NORTHEAST TOWARD SOUTHWESTERN BEXAR AND NORTHWESTERN ATASCOSA
COUNTIES.
 
PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE ACTION
TO PROTECT THEIR LIVES.  GO TO THE CENTER ON THE LOWEST FLOOR OF YOUR
BUILDING...COVER YOUR HEAD.  STAY AWAY FROM DOORS AND WINDOWS.  DO
NOT STAY IN MOBILE HOMES OR VEHICLES...GET INTO A STURDY BUILDING.
 
TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS.  GET TO
A PLACE OF SAFETY NOW  STAY AWAY FROM DOORS AND WINDOWS...BUT GET
OUT OF MOBILE HOMES AND CARS.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 6:33 PM CSTSevere Thunderstorm WarningEWXEdwards57 min
Feb 25, 6:59 PM CSTSevere Thunderstorm WarningEWXKinney61 min
Feb 25, 7:28 PM CSTSevere Thunderstorm WarningEWXReal62 min
Feb 25, 7:37 PM CSTSevere Thunderstorm WarningEWXUvalde68 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXBandera, Kerr64 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXGillespie, Llano64 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXMedina67 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXKendall67 min
Feb 25, 8:26 PM CSTTornado WarningEWXMedina, Uvalde64 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBexar66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBlanco, Burnet66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXFrio, Zavala66 min
Feb 25, 8:48 PM CSTTornado WarningEWXMedina57 min
Feb 25, 8:52 PM CSTSevere Thunderstorm WarningEWXVal Verde38 min
Feb 25, 9:01 PM CSTSevere Thunderstorm WarningEWXComal59 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXHays, Travis64 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXWilliamson64 min
Feb 25, 9:48 PM CSTSevere Thunderstorm WarningEWXGuadalupe57 min
Feb 25, 10:03 PM CSTSevere Thunderstorm WarningEWXBexar57 min
Feb 25, 10:36 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell69 min
Feb 25, 11:08 PM CSTSevere Thunderstorm WarningEWXFrio52 min
Feb 25, 11:25 PM CSTSevere Thunderstorm WarningEWXFayette65 min
Feb 25, 11:31 PM CSTSevere Thunderstorm WarningEWXAtascosa29 min
Feb 25, 11:39 PM CSTSevere Thunderstorm WarningEWXBandera51 min
Feb 26, 12:41 AM CSTSevere Thunderstorm WarningEWXBexar, Comal64 min
Feb 26, 12:48 AM CSTSevere Thunderstorm WarningEWXCaldwell, Guadalupe, Hays57 min
Feb 26, 12:56 AM CSTSevere Thunderstorm WarningEWXBastrop64 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLavaca45 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLee45 min
Feb 26, 1:41 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar34 min
Feb 26, 1:57 AM CSTSevere Thunderstorm WarningEWXMedina33 min
Feb 26, 2:21 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar, Guadalupe, Wilson69 min
Feb 26, 2:26 AM CSTSevere Thunderstorm WarningEWXComal64 min
Feb 26, 2:35 AM CSTFlash Flood WarningEWXFayette, Lavaca4 hr
Feb 26, 2:44 AM CSTSevere Thunderstorm WarningEWXKarnes61 min
Feb 26, 2:49 AM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales56 min
Feb 26, 3:31 AM CSTSevere Thunderstorm WarningEWXDeWitt, Lavaca59 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.