Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 252, NWS Austin/San Antonio, TX

May 14, 2006Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 2006, 7:09 PM CDT for Dimmit County, Texas. It was in force for 51 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 14, 2006, 7:09 PM CDT (00:09 UTC)
Expired
May 14, 2006, 8:00 PM CDT
In force
51 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Dimmit County, TX

The radar

The Laughlin AFB radar (KDFX), 116 km from the middle of the area, began a volume at 00:10 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
May 14, 3:35 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 163 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 2006-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2238 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 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 2006-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
2238 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
2289 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 150010
SVREWX
TXC127-150100-
/O.NEW.KEWX.SV.W.0252.060515T0009Z-060515T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
709 PM CDT SUN MAY 14 2006

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DIMMIT COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITY OF BIG WELLS

* UNTIL 800 PM CDT

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM LOCATED NEAR BIG WELLS...AND MOVING SOUTH AT
  20 MPH. A SEVERE STORM SPOTTER REPORTED QUARTER-SIZE HAIL AT BIG 
  WELLS AT 707 PM.

* OTHER LOCATIONS IN THE WARNING INCLUDE CATARINA

LAT...LON 2860 9941 2859 9965 2830 9967 2830 9940

$$
1 follow-up statement
000 
WWUS54 KEWX 150038
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
735 PM CDT SUN MAY 14 2006

TXC127-150100-
/O.CON.KEWX.SV.W.0252.000000T0000Z-060515T0100Z/
DIMMIT TX-
735 PM CDT SUN MAY 14 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR DIMMIT COUNTY...

AT 729 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED 11 MILES NORTH OF 
CATARINA...MOVING SOUTH AT 15 MPH.

THE SEVERE THUNDERSTORM WILL PASS OVER...OR JUST TO THE WEST OF... 
VALLEY WELLS...AND AFFECT MOTORISTS ALONG FM 1019 BETWEEN VALLEY 
WELLS AND BIG WELLS.

QUARTER SIZE HAIL WAS REPORTED AT BIG WELLS AT 707 PM. IF YOU ARE IN 
THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND 
PROPERTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
SUNDAY EVENING FOR SOUTH CENTRAL TEXAS.

LAT...LON 2853 9947 2853 9964 2830 9966 2830 9945

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:03 PM CDTSevere Thunderstorm WarningEWXVal Verde27 min
May 14, 7:14 PM CDTSevere Thunderstorm WarningEWXMaverick76 min
May 14, 7:25 PM CDTSevere Thunderstorm WarningEWXFrio35 min
May 14, 7:54 PM CDTSevere Thunderstorm WarningEWXDimmit51 min
May 14, 8:25 PM CDTSevere Thunderstorm WarningEWXMaverick35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006

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.