Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 22, NWS Austin/San Antonio, TX

May 15, 2008Dimmit County, Maverick County, Zavala County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 15, 2008, 7:45 PM CDT for Dimmit County, Maverick County, Zavala County, Texas. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 15, 2008, 7:45 PM CDT (00:45 UTC)
Expired
May 15, 2008, 8:30 PM CDT
In force
45 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

Counties Dimmit County, TX, Maverick County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 70 km from the middle of the area, began a volume at 00:45 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.

What was reported inside it

TimeReportWhereRemark
May 15, 7:45 PM CDTHAIL 2.52 Sse Eagle Pass, TXTREES BLOWN DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.8 hours before the alert went out and 92 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 2008-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 501 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 00:00Z on 2008-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 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
501 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1810 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 160045
TOREWX
TXC127-323-507-160130-
/O.NEW.KEWX.TO.W.0022.080516T0045Z-080516T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
745 PM CDT THU MAY 15 2008

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN DIMMIT COUNTY...
  MAVERICK COUNTY...
  SOUTHWESTERN ZAVALA COUNTY...

* UNTIL 830 PM CDT.

* AT 742 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ROSITA NORTH...OR
  ABOUT 9 MILES NORTH OF EL INDIO...MOVING EAST AT 19 MPH.

* THE TORNADO WILL BE NEAR...
  8 MILES NORTH OF EL INDIO BY 755 PM CDT...
  8 MILES SOUTHWEST OF COMETA BY 830 PM CDT...

IF YOU ARE IN A MOBILE HOME OR VEHICLE...GET OUT AND GO TO A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 2883 10056 2895 9991 2824 9993 2848 10039
      2850 10038 2854 10043 2858 10042 2866 10052
      2874 10053 2877 10056
TIME...MOT...LOC 0045Z 286DEG 16KT 2864 10034

$$
1 follow-up statement
000 
WWUS54 KEWX 160110
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
811 PM CDT THU MAY 15 2008

TXC127-323-507-160130-
/O.CON.KEWX.TO.W.0022.000000T0000Z-080516T0130Z/
ZAVALA TX-MAVERICK TX-DIMMIT TX-
811 PM CDT THU MAY 15 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WESTERN
DIMMIT...MAVERICK AND SOUTHWESTERN ZAVALA COUNTIES...

AT 812 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED NEAR FARIAS LAKE...OR 9 MILES NORTHEAST OF
EL INDIO...MOVING EAST AT 18 MPH.

THE TORNADO WILL BE NEAR...
  FARIAS LAKE BY 825 PM CDT...
  9 MILES SOUTHWEST OF COMETA BY 830 PM CDT...

LAT...LON 2883 10056 2895 9991 2824 9993 2848 10039
      2850 10038 2854 10043 2858 10042 2866 10052
      2874 10053 2877 10056
TIME...MOT...LOC 0111Z 286DEG 16KT 2861 10021

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:14 PM CDTSevere Thunderstorm WarningEWXMaverick61 min
May 15, 7:34 PM CDTTornado WarningEWXMaverick41 min
May 15, 8:26 PM CDTSevere Thunderstorm WarningEWXDimmit, Maverick, Zavala40 min
May 15, 9:59 PM CDTSevere Thunderstorm WarningEWXDimmit46 min

Nearby

Tornado Warnings in Texas, 2008Every tornado warning in 2008Tornadoes in 2008

Sources

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