Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 71, NWS Austin/San Antonio, TX

June 2, 2003Bexar County, Comal County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 2, 2003, 4:20 PM CDT for Bexar County, Comal County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 2, 2003, 4:20 PM CDT (21:20 UTC)
Expired
Jun 2, 2003, 5:15 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bexar County, TX, Comal County, TX

The radar

The Austin/San Antonio radar (KEWX), 60 km from the middle of the area, began a volume at 21:24 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 3:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.3 hours before the alert went out and 214 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, Del Rio, TX at 12:00Z on 2003-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2172 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, Del Rio, TX at 12:00Z on 2003-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
2172 J/kg
Mixed-layer CIN
-198 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

964 
WUUS54 KEWX 022120
SVRSAT
TXC029-091-022215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
418 PM CDT MON JUN 2 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  COMAL
  BEXAR

* UNTIL 515 PM CDT

* AT 418 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES NORTHWEST OF FAIR OAKS RANCH...OR
  ABOUT 7 MILES NORTH OF BOERNE...MOVING SOUTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER FAIR OAKS RANCH AT 505 PM
  OVER SCENIC OAKS AT 510 PM
  3 MILES NORTHWEST OF DOMINION AT 515 PM


THIS SEVERE STORM COMPLEX PRODUCED LARGE HAIL IN KENDALL COUNTY.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.


LAT...LON 2952 9873 2972 9878 2975 9864 2981 9857
          2962 9846

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 1:29 PM CDTSevere Thunderstorm WarningEWXLlano61 min
Jun 2, 2:29 PM CDTSevere Thunderstorm WarningEWXBlanco, Gillespie, Llano61 min
Jun 2, 2:38 PM CDTTornado WarningEWXBlanco, Llano52 min
Jun 2, 2:57 PM CDTTornado WarningEWXBurnet33 min
Jun 2, 3:20 PM CDTSevere Thunderstorm WarningEWXGillespie, Kendall55 min
Jun 2, 3:23 PM CDTTornado WarningEWXKendall67 min
Jun 2, 3:30 PM CDTSevere Thunderstorm WarningEWXBlanco, Hays, Travis60 min
Jun 2, 4:26 PM CDTSevere Thunderstorm WarningEWXCaldwell, Hays64 min
Jun 2, 4:37 PM CDTSevere Thunderstorm WarningEWXGuadalupe53 min
Jun 2, 5:11 PM CDTTornado WarningEWXBexar34 min
Jun 2, 5:34 PM CDTSevere Thunderstorm WarningEWXGonzales56 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.