Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 1, NWS Austin/San Antonio, TX

January 24, 2012Edwards County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jan 24, 2012, 11:29 PM CST for Edwards County, Texas. It was in force for 16 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
Jan 24, 2012, 11:29 PM CST (05:29 UTC)
Expired
Jan 24, 2012, 11:45 PM CST
In force
16 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 94 km from the middle of the area, began a volume at 05:33 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
Jan 24, 11:30 PM CSTTORNADO12 Wnw Rocksprings, TXPOSSIBLE TORNADO WEST OF ROCKSPRINGS NEAR STATE ROAD 55.

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, 5.5 hours before the alert went out and 93 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 2012-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 619 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 2012-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
619 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

675 
WFUS54 KEWX 250529
TOREWX
TXC137-250545-
/O.NEW.KEWX.TO.W.0001.120125T0529Z-120125T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1129 PM CST TUE JAN 24 2012

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL EDWARDS COUNTY...

* UNTIL 1145 PM CST.

* AT 1123 PM CST...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL EDWARDS
  COUNTY...OR ABOUT 12 MILES WEST OF ROCKSPRINGS...MOVING NORTHEAST
  AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING
FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 3019 10042 3011 10026 2998 10039 3008 10052
TIME...MOT...LOC 0529Z 215DEG 35KT 3011 10037

$$
2 follow-up statements
346 
WWUS54 KEWX 250538
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1138 PM CST TUE JAN 24 2012

TXC137-250545-
/O.CON.KEWX.TO.W.0001.000000T0000Z-120125T0545Z/
EDWARDS TX-
1138 PM CST TUE JAN 24 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CST FOR CENTRAL
EDWARDS COUNTY...

AT 1133 PM CST...NWS METEOROLOGISTS CONTINUED TO DETECT A TORNADO. 
THIS TORNADO WAS LOCATED OVER NORTH CENTRAL EDWARDS COUNTY...OR 14
MILES NORTHWEST OF ROCKSPRINGS...MOVING NORTHEAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING
FOR SOUTH CENTRAL TEXAS.

&&

LAT...LON 3007 10037 3012 10048 3019 10042 3011 10026
TIME...MOT...LOC 0538Z 215DEG 35KT 3018 10036

$$
840 
WWUS54 KEWX 250552
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1152 PM CST TUE JAN 24 2012

TXC137-250600-
/O.EXP.KEWX.TO.W.0001.000000T0000Z-120125T0545Z/
EDWARDS TX-
1152 PM CST TUE JAN 24 2012

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

THE SEVERE THUNDERSTORM NO LONGER SHOWS STRONG INDICATIONS OF A 
TORNADO AND THE WARNING HAS BEEN ALLOWED TO EXPIRE.  A SEVERE 
THUNDERSTORM WARNING REMAINS IN EFFECT FOR THIS STORM IN NORTHEAST 
EDWARDS COUNTY AND THE STORM REMAINS DANGEROUS.    

LAT...LON 3007 10037 3012 10048 3019 10042 3011 10026
TIME...MOT...LOC 0538Z 215DEG 35KT 3018 10036

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 10:38 PM CSTSevere Thunderstorm WarningEWXVal Verde26 min
Jan 24, 10:40 PM CSTSevere Thunderstorm WarningEWXVal Verde35 min
Jan 24, 10:52 PM CSTSevere Thunderstorm WarningEWXEdwards, Val Verde38 min
Jan 24, 11:17 PM CSTSevere Thunderstorm WarningEWXEdwards28 min
Jan 24, 11:41 PM CSTSevere Thunderstorm WarningEWXEdwards35 min
Jan 24, 11:44 PM CSTSevere Thunderstorm WarningEWXEdwards32 min
Jan 25, 12:20 AM CSTSevere Thunderstorm WarningEWXEdwards, Real40 min
Jan 25, 1:17 AM CSTAreal Flood AdvisoryEWXBexar103 min
Jan 25, 1:33 AM CSTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe, Hays42 min
Jan 25, 2:00 AM CSTFlash Flood WarningEWXBexar6 hr
Jan 25, 2:06 AM CSTAreal Flood AdvisoryEWXCaldwell, Comal, Guadalupe, Hays114 min
Jan 25, 2:15 AM CSTAreal Flood AdvisoryEWXHays, Travis105 min
Jan 25, 2:47 AM CSTFlash Flood WarningEWXTravis3 hr
Jan 25, 3:33 AM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell, Hays, Travis42 min
Jan 25, 4:06 AM CSTAreal Flood AdvisoryEWXBexar, Blanco, Comal, Hays, Kendall114 min
Jan 25, 4:09 AM CSTAreal Flood AdvisoryEWXBastrop, Caldwell111 min
Jan 25, 4:26 AM CSTFlash Flood WarningEWXBastrop3 hr
Jan 25, 4:26 AM CSTFlash Flood WarningEWXTravis, Williamson3 hr
Jan 25, 4:54 AM CSTAreal Flood AdvisoryEWXComal, Guadalupe, Hays2 hr
Jan 25, 5:18 AM CSTFlash Flood WarningEWXBastrop, Caldwell, Hays, Travis3 hr
Jan 25, 5:49 AM CSTAreal Flood AdvisoryEWXGuadalupe101 min
Jan 25, 5:54 AM CSTAreal Flood AdvisoryEWXBastrop, Caldwell2 hr
Jan 25, 6:07 AM CSTFlash Flood WarningEWXLee3 hr
Jan 25, 6:23 AM CSTSevere Thunderstorm WarningEWXLee52 min
Jan 25, 6:26 AM CSTRiver Flood WarningEWXTravis14 hr
Jan 25, 6:39 AM CSTRiver Flood WarningEWXBexar14 hr
Jan 25, 6:46 AM CSTFlash Flood WarningEWXBastrop3 hr
Jan 25, 6:56 AM CSTRiver Flood WarningEWXBexar, Wilson32 hr
Jan 25, 7:04 AM CSTFlash Flood WarningEWXFayette3 hr
Jan 25, 9:05 AM CSTRiver Flood WarningEWXCaldwell, Gonzales34 hr
Jan 25, 9:05 AM CSTRiver Flood WarningEWXGonzales60 hr
Jan 25, 9:27 AM CSTFlash Flood WarningEWXBastrop2 hr
Jan 25, 5:49 PM CSTAreal Flood AdvisoryEWXBastrop101 min

Nearby

Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes in 2012

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.