Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 21, NWS Austin/San Antonio, TX

May 15, 2008Maverick County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 15, 2008, 7:34 PM CDT for Maverick County, Texas. It was in force for 41 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, 7:34 PM CDT (00:34 UTC)
Expired
May 15, 2008, 8:15 PM CDT
In force
41 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

County Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 59 km from the middle of the area, began a volume at 00:37 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, 0.6 hours before the alert went out and 74 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 160035
TOREWX
TXC323-160115-
/O.NEW.KEWX.TO.W.0021.080516T0034Z-080516T0115Z/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  MAVERICK COUNTY...

* UNTIL 815 PM CDT.

* AT 732 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR EAGLE PASS. 
  THIS TORNADO WAS MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL MAVERICK COUNTY AT 820 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 2884 10039 2866 10039 2866 10052 2874 10053
      2877 10056 2882 10056 2882 10060 2884 10060
TIME...MOT...LOC 0034Z 180DEG 0KT 2875 10049

$$
1 follow-up statement
000 
WWUS54 KEWX 160039
SVSEWX

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

TXC323-160115-
/O.CON.KEWX.TO.W.0021.000000T0000Z-080516T0115Z/
MAVERICK TX-
739 PM CDT THU MAY 15 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR MAVERICK
COUNTY...

AT 736 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED 7 MILES SOUTHEAST OF EAGLE PASS...MOVING
EAST AT 24 MPH.

LAT...LON 2884 10039 2866 10039 2866 10052 2874 10053
      2877 10056 2882 10056 2882 10060 2884 10060
TIME...MOT...LOC 0039Z 283DEG 21KT 2865 10038

$$

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, 7:45 PM CDTTornado WarningEWXDimmit, Maverick, Zavala45 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.