Alert archive / Texas / Tornado Warnings in 2006

Tornado Warning 26, NWS Austin/San Antonio, TX

April 28, 2006Edwards County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 28, 2006, 6:10 PM CDT for Edwards County, Texas. It was in force for 35 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
Apr 28, 2006, 6:10 PM CDT (23:10 UTC)
Expired
Apr 28, 2006, 6:45 PM CDT
In force
35 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 103 km from the middle of the area, began a volume at 23:13 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
Apr 28, 1:28 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.2 hours before the alert went out and 118 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 12:00Z on 2006-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1176 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 12:00Z on 2006-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 square meters per square second.1939587897117Sfc1 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
1176 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
0.9
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 282312
TOREWX
TXC137-282345-
/O.NEW.KEWX.TO.W.0026.060428T2310Z-060428T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
610 PM CDT FRI APR 28 2006

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS

* UNTIL 645 PM CDT

* AT 604 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EDWARDS 
  COUNTY...NEAR HIGHWAY 377...10 MILES NORTHEAST OF
  ROCKSPRINGS...MOVING EAST AT 30 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3028 10019 3028 9976 3015 9976 3013 9994
      3013 10007 3012 10008 3012 10015 3013 10017
      3019 10017

$$
2 follow-up statements
000 
WWUS54 KEWX 282336
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
636 PM CDT FRI APR 28 2006

TXC137-282345-
/O.CON.KEWX.TO.W.0026.000000T0000Z-060428T2345Z/
EDWARDS TX-
636 PM CDT FRI APR 28 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR EDWARDS
COUNTY...

AT 629 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED OVER EDWARDS COUNTY...
OR ABOUT 19 MILES SOUTH OF JUNCTION...MOVING EAST AT 45 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3028 10019 3028 9976 3015 9976 3013 9994
      3013 10007 3012 10008 3012 10015 3013 10017
      3019 10017

$$
000 
WWUS54 KEWX 282345
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
645 PM CDT FRI APR 28 2006

TXC137-282353-
/O.EXP.KEWX.TO.W.0026.000000T0000Z-060428T2345Z/
EDWARDS TX-
645 PM CDT FRI APR 28 2006

...THE TORNADO WARNING FOR EDWARDS COUNTY EXPIRED AT 645 PM CDT...

THE TORNADIC THUNDERSTORM HAS EXITED THE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3028 10019 3028 9976 3015 9976 3013 9994
      3013 10007 3012 10008 3012 10015 3013 10017
      3019 10017

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 2:41 PM CDTSevere Thunderstorm WarningEWXVal Verde49 min
Apr 28, 3:28 PM CDTSevere Thunderstorm WarningEWXVal Verde62 min
Apr 28, 3:37 PM CDTTornado WarningEWXVal Verde23 min
Apr 28, 3:58 PM CDTTornado WarningEWXVal Verde62 min
Apr 28, 4:33 PM CDTTornado WarningEWXEdwards42 min
Apr 28, 5:00 PM CDTTornado WarningEWXVal Verde15 min
Apr 28, 5:11 PM CDTTornado WarningEWXEdwards34 min
Apr 28, 5:45 PM CDTSevere Thunderstorm WarningEWXEdwards28 min
Apr 28, 6:38 PM CDTSevere Thunderstorm WarningEWXKerr37 min

Nearby

Tornado Warnings in Texas, 2006Every tornado warning in 2006Tornadoes 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.