Alert archive / Texas / Tornado Warnings in 2013

Tornado Warning 6, NWS Austin/San Antonio, TX

May 25, 2013Bexar County, Comal County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at May 25, 2013, 6:06 AM CDT for Bexar County, Comal County, Texas. It was in force for 24 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 25, 2013, 6:06 AM CDT (11:06 UTC)
Expired
May 25, 2013, 6:30 AM CDT
In force
24 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

Counties Bexar County, TX, Comal County, TX

The radar

The Austin/San Antonio radar (KEWX), 32 km from the middle of the area, began a volume at 11:07 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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 11.1 hours before the alert went out and 245 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 2013-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 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 2013-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
180 J/kg
Mixed-layer CIN
-214 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
64 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.

429 
WFUS54 KEWX 251106
TOREWX
TXC029-091-251130-
/O.NEW.KEWX.TO.W.0006.130525T1106Z-130525T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
606 AM CDT SAT MAY 25 2013

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTH CENTRAL BEXAR COUNTY...
  CENTRAL COMAL COUNTY...

* UNTIL 630 AM CDT.

* AT 602 AM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTHWEST OF
  STARTZVILLE...OR ABOUT 11 MILES NORTH OF UNIVERSAL CITY...MOVING
  NORTH AT 15 MPH.

* THE TORNADO WILL CROSS FM 1863 NEAR THE INTERSECTION WITH FM
  3009 AND HIGHWAY 46 NEAR THE INTERSECTION OF FM 3009 IN COMAL
  COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

&&

LAT...LON 2986 9843 2985 9820 2968 9827 2969 9841
TIME...MOT...LOC 1104Z 186DEG 15KT 2972 9835

$$
2 follow-up statements
321 
WWUS54 KEWX 251125
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
625 AM CDT SAT MAY 25 2013

TXC029-251132-
/O.CAN.KEWX.TO.W.0006.000000T0000Z-130525T1130Z/
BEXAR TX-
625 AM CDT SAT MAY 25 2013

...THE TORNADO WARNING FOR EXTREME NORTH CENTRAL BEXAR COUNTY IS
CANCELLED...

THE TORNADO HAS MOVED OUT OF BEXAR COUNTY. 

LAT...LON 2972 9827 2974 9840 2986 9843 2985 9820
TIME...MOT...LOC 1122Z 186DEG 13KT 2978 9834

$$

TXC091-251130-
/O.CON.KEWX.TO.W.0006.000000T0000Z-130525T1130Z/
COMAL TX-
625 AM CDT SAT MAY 25 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR CENTRAL
COMAL COUNTY...

AT 617 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED 7 MILES SOUTHWEST OF STARTZVILLE...OR 11
MILES SOUTHWEST OF CANYON LAKE DAM...MOVING NORTH AT 15 MPH.

THE TORNADO WILL MOVE ALONG OR JUST WEST OF FM 3009 BETWEEN FM 1863 
AND HIGHWAY 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
BUILDING IN AN INTERIOR HALLWAY...BATHROOM...OR CLOSET. COVER
YOURSELF WITH BLANKETS...PILLOWS OR EVEN A MATTRESS FOR BETTER
PROTECTION.

&&

LAT...LON 2972 9827 2974 9840 2986 9843 2985 9820
TIME...MOT...LOC 1122Z 186DEG 13KT 2978 9834

$$
724 
WWUS54 KEWX 251131
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
631 AM CDT SAT MAY 25 2013

TXC091-251141-
/O.EXP.KEWX.TO.W.0006.000000T0000Z-130525T1130Z/
COMAL TX-
631 AM CDT SAT MAY 25 2013

...THE TORNADO WARNING FOR CENTRAL COMAL COUNTY HAS EXPIRED...

THE TORNADO DISSIPATED.

LAT...LON 2972 9827 2974 9840 2986 9843 2985 9820
TIME...MOT...LOC 1125Z 186DEG 13KT 2979 9834

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 4:04 AM CDTAreal Flood AdvisoryEWXBexar116 min
May 25, 4:45 AM CDTAreal Flood AdvisoryEWXKendall105 min
May 25, 5:34 AM CDTAreal Flood AdvisoryEWXBexar, Comal116 min
May 25, 6:06 AM CDTFlash Flood WarningEWXBexar3 hr
May 25, 7:28 AM CDTSpecial Weather StatementEWXBurnet47 min
May 25, 8:04 AM CDTAreal Flood AdvisoryEWXComal116 min
May 25, 8:49 AM CDTFlash Flood Warning EmergencyEWXBexar7 hr
May 25, 8:56 AM CDTFlash Flood WarningEWXAtascosa, Karnes, Wilson3 hr
May 25, 9:01 AM CDTFlash Flood WatchEWXAtascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 15 more36 hr
May 25, 9:42 AM CDTFlash Flood WarningEWXBexar, Blanco, Caldwell, Comal, Guadalupe, Hays and 1 more3 hr
May 25, 9:42 AM CDTRiver Flood WarningEWXBexar35 hr
May 25, 9:42 AM CDTRiver Flood WarningEWXBexar24 hr
May 25, 9:42 AM CDTRiver Flood WarningEWXBexar, Wilson47 hr
May 25, 9:58 AM CDTRiver Flood WarningEWXBexar16 hr
May 25, 10:22 AM CDTSpecial Weather StatementEWXKarnes38 min
May 25, 10:35 AM CDTRiver Flood WarningEWXComal, Guadalupe6 hr
May 25, 10:35 AM CDTRiver Flood WarningEWXComal, Gonzales, Guadalupe6 hr
May 25, 10:35 AM CDTRiver Flood WarningEWXComal, Guadalupe6 hr
May 25, 10:59 AM CDTAreal Flood AdvisoryEWXBexar, DeWitt, Gonzales, Guadalupe, Karnes, Wilson2 hr
May 25, 11:15 AM CDTSpecial Weather StatementEWXKarnes45 min
May 25, 11:17 AM CDTTornado WarningEWXDeWitt, Karnes43 min
May 25, 11:42 AM CDTSpecial Weather StatementEWXKarnes48 min
May 25, 11:51 AM CDTFlash Flood WarningEWXAtascosa, Bexar, Caldwell, Comal, DeWitt, Gonzales and 5 more3 hr
May 25, 11:55 AM CDTTornado WarningEWXDeWitt, Karnes35 min
May 25, 5:25 PM CDTRiver Flood WarningEWXKarnes3 days

Nearby

Tornado Warnings in Texas, 2013Every tornado warning in 2013Tornadoes in 2013

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.