Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 1, NWS Austin/San Antonio, TX

May 27, 1997Williamson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 27, 1997, 3:30 PM CDT for Williamson County, Texas. It was in force for 60 min. 4 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
May 27, 1997, 3:30 PM CDT (20:30 UTC)
Expired
May 27, 1997, 4:30 PM CDT
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Williamson County, TX

What was reported inside it

TimeReportWhereRemark
May 27, 3:35 PM CDTTornado F2Jarrell, TX
May 27, 3:40 PM CDTTornado F5Jarrell, TX
May 27, 4:05 PM CDTTornado F3Cedar Park, TX
May 27, 4:37 PM CDTThunderstorm Wind 52Round Rock, 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
May 27, 1:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.5 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.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 1997-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4281 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 1997-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
4281 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 272030 RRA
TORSAT
TXC491-272130-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM CDT TUE MAY 27 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...WILLIAMSON COUNTY
 
AT 325 PM A TORNADIC THUNDERSTORM WAS LOCATED ABOUT 5 MILES WEST OF
JARRAL MOVING SOUTHEAST AT 10 MPH. THIS STORM HAS HAD A HISTORY OF
PRODUCING TORNADOES AND LARGE HAIL.  THE CITY OF JARREL IS IN THE
PATH OF THIS STORM.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A DITCH OR LOW
SPOT AND COVER YOUR HEAD.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 3:34 PM CDTSevere Thunderstorm WarningEWXEdwards56 min
May 27, 3:58 PM CDTSevere Thunderstorm WarningEWXReal62 min
May 27, 4:09 PM CDTTornado WarningEWXTravis66 min
May 27, 4:26 PM CDTFlash Flood WarningEWXEdwards, Real2 hr
May 27, 4:32 PM CDTFlash Flood WarningEWXTravis, Williamson118 min
May 27, 4:37 PM CDTSevere Thunderstorm WarningEWXWilliamson68 min
May 27, 4:49 PM CDTSevere Thunderstorm WarningEWXEdwards56 min
May 27, 4:58 PM CDTTornado WarningEWXHays62 min
May 27, 5:19 PM CDTSevere Thunderstorm WarningEWXTravis56 min
May 27, 5:24 PM CDTSevere Thunderstorm WarningEWXBlanco66 min
May 27, 5:37 PM CDTFlash Flood WarningEWXUvalde98 min
May 27, 5:37 PM CDTSevere Thunderstorm WarningEWXUvalde98 min
May 27, 5:52 PM CDTTornado WarningEWXKendall68 min
May 27, 5:58 PM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell2 hr
May 27, 6:01 PM CDTSevere Thunderstorm WarningEWXHays59 min
May 27, 6:06 PM CDTSevere Thunderstorm WarningEWXVal Verde69 min
May 27, 6:14 PM CDTSevere Thunderstorm WarningEWXComal61 min
May 27, 6:24 PM CDTTornado WarningEWXUvalde36 min
May 27, 6:28 PM CDTSevere Thunderstorm WarningEWXEdwards62 min
May 27, 6:29 PM CDTSevere Thunderstorm WarningEWXGuadalupe61 min
May 27, 6:56 PM CDTTornado WarningEWXKendall64 min
May 27, 6:59 PM CDTSevere Thunderstorm WarningEWXBexar91 min

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes 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.