Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Austin/San Antonio, TX

March 19, 2006Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 19, 2006, 9:27 PM CST for Uvalde County, Texas. It was in force for 63 min. 2 reports 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
Mar 19, 2006, 9:27 PM CST (03:27 UTC)
Expired
Mar 19, 2006, 10:30 PM CST
In force
63 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 45 km from the middle of the area, began a volume at 03:28 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.

What was reported inside it

TimeReportWhereRemark
Mar 19, 10:10 PM CSTHAIL 1.75Uvalde, TXSOUTHEAST SIDE OF UVALDE.
Mar 19, 10:10 PM CSTTORNADOUvalde, TXCONFIRMED TORNADO TOUCHDOWN. POWER LINES DOWN. TRAILERS TURNED OVER. SOUTHEAST SIDE OF UVALDE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 19, 8:34 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.5 hours before the alert went out and 98 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 
WUUS54 KEWX 200327
SVREWX
TXC463-200430-
/O.NEW.KEWX.SV.W.0021.060320T0327Z-060320T0430Z/

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

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES...
  UVALDE

* UNTIL 1030 PM CST

* AT 918 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 24
  MILES WEST OF UVALDE...AND MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE MONTELL...REAGAN WELLS...
  KNIPPA...CONCAN...GARNER STATE PARK AND SABINAL.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 2955 10008 2910 10010 2911 9943 2961 9946

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:28 PM CSTTornado WarningEWXVal Verde17 min
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, 9:51 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

Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.