Alert archive / Texas / Tornado Warnings in 2006

Tornado Warning 4, NWS Austin/San Antonio, TX

March 19, 2006Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 19, 2006, 6:28 PM CST for Val Verde County, Texas. It was in force for 17 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
Mar 19, 2006, 6:28 PM CST (00:28 UTC)
Expired
Mar 19, 2006, 6:45 PM CST
In force
17 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 84 km from the middle of the area, began a volume at 00:28 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
Mar 19, 3:38 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.5 hours before the alert went out and 36 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 2006-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1885 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 2006-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
1885 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1147 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
2.9
Supercell composite
11.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 200030
TOREWX
TXC465-200045-
/O.NEW.KEWX.TO.W.0004.060320T0028Z-060320T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
628 PM CST SUN MAR 19 2006

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES...
  VAL VERDE

* UNTIL 645 PM CST

* AT 624 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 19 MILES EAST OF
  COMSTOCK...MOVING NORTHEAST AT 30 MPH.

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

QUARTER SIZE HAIL IS POSSIBLE WITH THIS STORM.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST SUNDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2962 10129 2947 10117 2963 10069 2990 10071

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:06 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney26 min
Mar 19, 7:54 PM CSTSevere Thunderstorm WarningEWXBandera, Real66 min
Mar 19, 8:41 PM CSTSevere Thunderstorm WarningEWXKerr47 min
Mar 19, 9:04 PM CSTSevere Thunderstorm WarningEWXKendall56 min
Mar 19, 9:13 PM CSTTornado WarningEWXKendall26 min
Mar 19, 9:27 PM CSTSevere Thunderstorm WarningEWXUvalde63 min
Mar 19, 9:51 PM CSTSevere Thunderstorm WarningEWXBlanco, Comal54 min
Mar 19, 10:00 PM CSTTornado WarningEWXUvalde30 min
Mar 19, 10:05 PM CSTTornado WarningEWXBlanco, Comal33 min
Mar 19, 10:11 PM CSTTornado WarningEWXHays49 min
Mar 19, 10:28 PM CSTTornado WarningEWXUvalde32 min
Mar 19, 10:43 PM CSTSevere Thunderstorm WarningEWXMedina62 min
Mar 19, 11:20 PM CSTSevere Thunderstorm WarningEWXBexar55 min
Mar 19, 11:46 PM CSTSevere Thunderstorm WarningEWXMedina14 min
Mar 19, 11:55 PM CSTSevere Thunderstorm WarningEWXFrio22 min
Mar 19, 11:59 PM CSTSevere Thunderstorm WarningEWXAtascosa43 min
Mar 20, 12:05 AM CSTSevere Thunderstorm WarningEWXDimmit25 min
Mar 20, 12:15 AM CSTSevere Thunderstorm WarningEWXBexar60 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.