Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 38, NWS Austin/San Antonio, TX

December 23, 2002Hays County, Travis County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Dec 23, 2002, 6:07 AM CST for Hays County, Travis County, Texas. It was in force for 53 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Dec 23, 2002, 6:07 AM CST (12:07 UTC)
Expired
Dec 23, 2002, 7:00 AM CST
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Hays County, TX, Travis County, TX

The radar

The Austin/San Antonio radar (KEWX), 61 km from the middle of the area, began a volume at 12:06 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
Dec 23, 6:25 AM CSTThunderstorm Wind(Bsm)Bergstrom Afb A, TXSevere thunderstorm winds knocked down power poles and caused power outages in the Austin-Bergstrom Airport Area.
Dec 23, 7:04 AM CSTTornado F1Manor, TXThis tornado, rated F1, touched down 1 mile southeast of Manor shortly after 7 am, and moved northeastward to 5 miles northeast of Manor before dissipating. Rated as an F1, it damaged nearly a dozen homes and mobile homes and two businesses. It destroyed fo

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
Dec 23, 5:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 0.1 hours before the alert went out and 274 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 12:00Z on 2002-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1686 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, Corpus Christi, TX at 12:00Z on 2002-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 square meters per square second.19395878Sfc1 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
1686 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
3.2
Supercell composite
15.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 231207
TORSAT
TXC209-453-231300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
607 AM CST MON DEC 23 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  TRAVIS
  HAYS

* UNTIL 700 AM CST

* AT 607 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 4 MILES
  NORTHEAST OF KYLE...OR ABOUT 10 MILES SOUTH OF TANGLEWOOD FOREST...
  MOVING NORTHEAST AT 25 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  4 MILES SOUTHEAST OF ONION CREEK AT 620 AM
  4 MILES NORTHWEST OF GARFIELD AT 645 AM
  4 MILES SOUTH OF MANOR AT 700 AM


LAT...LON 3002 9796 2992 9783 3022 9751 3037 9743
          3051 9752

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 2:50 AM CSTSevere Thunderstorm WarningEWXBandera, Bexar, Kendall25 min
Dec 23, 3:49 AM CSTSevere Thunderstorm WarningEWXBlanco, Burnet, Llano41 min
Dec 23, 4:03 AM CSTSevere Thunderstorm WarningEWXHays, Travis42 min
Dec 23, 7:00 AM CSTTornado WarningEWXTravis, Williamson30 min
Dec 23, 7:29 AM CSTTornado WarningEWXWilliamson31 min
Dec 23, 7:43 AM CSTTornado WarningEWXDeWitt47 min
Dec 23, 8:08 AM CSTSevere Thunderstorm WarningEWXFayette, Lavaca52 min
Dec 23, 8:58 AM CSTSevere Thunderstorm WarningEWXFayette47 min
Dec 23, 9:03 AM CSTSevere Thunderstorm WarningEWXLee27 min
Dec 23, 9:16 AM CSTTornado WarningEWXFayette29 min
Dec 23, 4:28 PM CSTSevere Thunderstorm WarningEWXEdwards62 min
Dec 23, 4:49 PM CSTSevere Thunderstorm WarningEWXReal56 min
Dec 23, 5:06 PM CSTTornado WarningEWXKerr24 min
Dec 23, 5:12 PM CSTTornado WarningEWXKerr18 min
Dec 23, 5:23 PM CSTSevere Thunderstorm WarningEWXKerr52 min
Dec 23, 5:26 PM CSTSevere Thunderstorm WarningEWXMedina64 min
Dec 23, 5:43 PM CSTSevere Thunderstorm WarningEWXBexar62 min

Nearby

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes in 2002

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.