Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 55, NWS Austin/San Antonio, TX

May 9, 2002Edwards County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 2002, 7:57 PM CDT for Edwards County, Texas. It was in force for 63 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 9, 2002, 7:57 PM CDT (00:57 UTC)
Expired
May 9, 2002, 9:00 PM CDT
In force
63 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Edwards County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.0 hours before the alert went out and 63 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 00:00Z on 2002-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3638 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2002-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
3638 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1636 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

299 
WUUS54 KEWX 100124 CCA
SVRSAT
TXC137-100200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION TO TIMING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
757 PM CDT THU MAY 9 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  EDWARDS

* UNTIL 900 PM CDT

* AT 757 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EDWARDS COUNTY...OR ABOUT 35 MILES
  NORTHEAST OF DEL RIO...MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
 30 MILE WEST OF ROCKSPRINGS AT 9 PM

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 2968 10068 2975 10044 3015 10033 3014 10066

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:37 PM CDTSevere Thunderstorm WarningEWXVal Verde53 min
May 9, 8:24 PM CDTSevere Thunderstorm WarningEWXEdwards36 min
May 9, 8:27 PM CDTSevere Thunderstorm WarningEWXEdwards33 min
May 9, 8:28 PM CDTSevere Thunderstorm WarningEWXVal Verde62 min
May 9, 9:22 PM CDTSevere Thunderstorm WarningEWXEdwards53 min
May 9, 9:35 PM CDTSevere Thunderstorm WarningEWXVal Verde55 min
May 9, 10:38 PM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde52 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.