Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 78, NWS Austin/San Antonio, TX

May 17, 2002Maverick County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 17, 2002, 8:12 PM CDT for Maverick 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 17, 2002, 8:12 PM CDT (01:12 UTC)
Expired
May 17, 2002, 9:15 PM CDT
In force
63 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Maverick County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
May 17, 5:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.2 hours before the alert went out and 97 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 2002-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1069 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, Del Rio, TX at 00:00Z on 2002-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1069 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
2723 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 180112
SVRSAT
TXC323-180215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
810 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...
  MAVERICK

* UNTIL 915 PM CDT

* AT 810 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A  
  SEVERE THUNDERSTORM 8 MILES WEST OF EL INDIO OR 12 MILES SOUTH OF  
  EAGLE PASS...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR EAGLE PASS AND EL INDIO BY 845 PM




LAT...LON 2853 10059 2841 10044 2853 10017 2896 10017

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:04 PM CDTSevere Thunderstorm WarningEWXKerr56 min
May 17, 7:07 PM CDTSevere Thunderstorm WarningEWXDimmit68 min
May 17, 7:42 PM CDTSevere Thunderstorm WarningEWXKinney, Val Verde63 min
May 17, 9:32 PM CDTSevere Thunderstorm WarningEWXFrio, Medina58 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.