Alert archive / Texas / Tornado Warnings in 2006

Tornado Warning 3, NWS Austin/San Antonio, TX

March 19, 2006Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 19, 2006, 5:48 PM CST for Val Verde County, Texas. It was in force for 42 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, 5:48 PM CST (23:48 UTC)
Expired: Mar 19, 2006, 6:30 PM CST
In force: 42 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), 85 km from the middle of the area, began a volume at 23:49 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.

Issued	Product	Office	Lasted
Mar 19, 3:38 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.8 hours before the alert went out and 38 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 917 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 610 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 192348
TOREWX
TXC465-200030-
/O.NEW.KEWX.TO.W.0003.060319T2348Z-060320T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
548 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 630 PM CST

* AT 542 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES SOUTH OF
  COMSTOCK...MOVING NORTHEAST AT 30 MPH.

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

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

LAT...LON 2962 10129 2947 10117 2969 10080 2970 10077
      2988 10092

$$

1 follow-up statement

000 
WWUS54 KEWX 200009
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
608 PM CST SUN MAR 19 2006

TXC465-200030-
/O.CON.KEWX.TO.W.0003.000000T0000Z-060320T0030Z/
VAL VERDE TX-
608 PM CST SUN MAR 19 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR VAL VERDE
COUNTY...

AT 600 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 9 MILES SOUTHEAST OF
COMSTOCK...MOVING NORTHEAST AT 30 MPH.

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

LARGE HAIL IS ALSO 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 2965 10072 2988 10092

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 8:55 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	65 min
Mar 18, 10:25 PM CST	Severe Thunderstorm Warning	EWX	Edwards	65 min
Mar 19, 5:17 AM CST	Severe Thunderstorm Warning	EWX	Edwards	58 min
Mar 19, 5:43 AM CST	Tornado Warning	EWX	Edwards	32 min
Mar 19, 5:58 AM CST	Severe Thunderstorm Warning	EWX	Real	32 min
Mar 19, 6:12 AM CST	Tornado Warning	EWX	Edwards	18 min
Mar 19, 6:18 AM CST	Severe Thunderstorm Warning	EWX	Kerr	42 min
Mar 19, 7:05 AM CST	Severe Thunderstorm Warning	EWX	Gillespie	40 min
Mar 19, 7:43 AM CST	Severe Thunderstorm Warning	EWX	Llano	62 min
Mar 19, 8:56 AM CST	Severe Thunderstorm Warning	EWX	Burnet	42 min

Nearby

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