Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 70, NWS Austin/San Antonio, TX

May 17, 2002Bandera County, Medina County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 17, 2002, 4:55 PM CDT for Bandera County, Medina County, Texas. It was in force for 65 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
May 17, 2002, 4:55 PM CDT (21:55 UTC)
Expired
May 17, 2002, 6:00 PM CDT
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Bandera County, TX, Medina County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.9 hours before the alert went out and 156 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 2002-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 292 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 2002-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
292 J/kg
Mixed-layer CIN
-526 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 172155
SVRSAT
TXC019-325-172300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
454 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  BANDERA
  MEDINA

* UNTIL 600 PM CDT

* AT 454 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A     
  SEVERE THUNDERSTORM 3 MILES SOUTH OF MEDINA KERRVILLE...MOVING     
  SOUTH TOWARDS TARPLEY AT 10 MPH.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE 
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE 
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.


LAT...LON 2983 9941 2931 9940 2929 9898 2981 9908

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 9:44 PM CDTSevere Thunderstorm WarningEWXVal Verde46 min
May 16, 10:32 PM CDTSevere Thunderstorm WarningEWXVal Verde73 min
May 16, 11:08 PM CDTSevere Thunderstorm WarningEWXEdwards37 min
May 16, 11:42 PM CDTSevere Thunderstorm WarningEWXUvalde63 min
May 17, 3:03 AM CDTSevere Thunderstorm WarningEWXBexar57 min
May 17, 3:47 AM CDTSevere Thunderstorm WarningEWXGuadalupe, Wilson58 min
May 17, 4:26 AM CDTSevere Thunderstorm WarningEWXGonzales64 min
May 17, 4:01 PM CDTSevere Thunderstorm WarningEWXBandera, Kerr59 min
May 17, 4:43 PM CDTFlash Flood WarningEWXBandera, Kerr2 hr
May 17, 5:13 PM CDTSevere Thunderstorm WarningEWXEdwards, Kerr, Real62 min
May 17, 5:53 PM CDTSevere Thunderstorm WarningEWXMedina67 min
May 17, 6:41 PM CDTFlash Flood WarningEWXEdwards, Real109 min
May 17, 6:47 PM CDTSevere Thunderstorm WarningEWXKinney58 min
May 17, 6:59 PM CDTSevere Thunderstorm WarningEWXUvalde46 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.