Alert archive / Texas / Tornado Watches in 2006

Tornado Watch 95

March 19, 200615 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 19, 2006, 2:05 AM CST for 15 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 19, 2006, 2:05 AM CST (08:05 UTC)
Expired
Mar 19, 2006, 8:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center

Counties Blanco County, TX, Burnet County, TX, Concho County, TX, Edwards County, TX, Gillespie County, TX, Kerr County, TX, Kimble County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, San Saba County, TX, Schleicher County, TX, Sutton County, TX, Val Verde County, TX

The radar

The San Angelo radar (KSJT), 96 km from the middle of the area, began a volume at 08:08 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.

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 19, 5:17 AM CSTSevere Thunderstorm WarningEWXEdwards58 min
Mar 19, 5:43 AM CSTTornado WarningEWXEdwards32 min
Mar 19, 6:12 AM CSTTornado WarningEWXEdwards18 min
Mar 19, 6:18 AM CSTSevere Thunderstorm WarningEWXKerr42 min
Mar 19, 6:30 AM CSTSevere Thunderstorm WarningSJTKimble, Menard, Schleicher, Sutton45 min
Mar 19, 6:31 AM CSTSevere Thunderstorm WarningSJTKimble44 min
Mar 19, 7:05 AM CSTSevere Thunderstorm WarningEWXGillespie40 min
Mar 19, 7:43 AM CSTSevere Thunderstorm WarningEWXLlano62 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.1 hours before the alert went out and 165 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 2006-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1296 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 00:00Z on 2006-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
1296 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1421 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 190758
SEL5  
SPC WW 190758
TXZ000-191400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 95
NWS STORM PREDICTION CENTER NORMAN OK
200 AM CST SUN MAR 19 2006

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTH CENTRAL TEXAS

EFFECTIVE THIS SUNDAY MORNING FROM 200 AM UNTIL 800 AM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHEAST OF JUNCTION
TEXAS TO 60 MILES SOUTHWEST OF JUNCTION TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU5).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 94. WATCH NUMBER 94 WILL NOT BE IN
EFFECT AFTER 200 AM CST. 

DISCUSSION...SEVERAL DISCRETE SUPERCELLS CONTINUE TO MOVE GENERALLY
E ALONG SLOWLY MOVING WARM FRONT OVER THE SRN EDWARDS PLATEAU/HILL
COUNTRY.  DIRECTIONAL SHEAR ALONG BOUNDARY WILL ENHANCE LOW LEVEL
SRH.  THIS MAY FOSTER DEVELOPMENT OF A TORNADO OR TWO...IN ADDITION
TO HAIL/HEAVY RAIN AND LOCALLY DAMAGING WIND.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 7:13 PM CSTSevere Thunderstorm WatchSPCAndrews, Bandera, Borden, Callahan, Coke, Coleman and 42 more7 hr
Mar 18, 8:58 PM CSTMesoscale DiscussionSPCBandera, Borden, Brown, Callahan, Coke, Coleman and 34 more2 hr
Mar 18, 10:15 PM CSTMesoscale DiscussionSPCBell, Blanco, Bosque, Brown, Burnet, Callahan and 28 more2 hr
Mar 18, 11:30 PM CSTMesoscale DiscussionSPCBandera, Brown, Callahan, Coleman, Concho, Crockett and 15 more90 min
Mar 19, 1:23 AM CSTMesoscale DiscussionSPCBandera, Bexar, Blanco, Burnet, Comal, Crockett and 18 more37 min
Mar 19, 4:47 AM CSTMesoscale DiscussionSPCBell, Blanco, Burnet, Concho, Edwards, Gillespie and 13 more88 min
Mar 19, 7:55 AM CSTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 43 more35 min
Mar 19, 8:01 AM CSTSevere Thunderstorm WatchSPCBlanco, Burnet, Gillespie, Llano, Travis, Williamson2 hr
Mar 19, 10:12 AM CSTMesoscale DiscussionSPCAnderson, Bell, Bosque, Brown, Burnet, Camp and 42 more93 min
Mar 19, 12:15 PM CSTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Glasscock and 13 more2 hr
Mar 19, 3:02 PM CSTMesoscale DiscussionSPCBandera, Bell, Blanco, Burnet, Comal, Coryell and 20 more118 min
Mar 19, 3:38 PM CSTTornado WatchSPCBandera, Brown, Coke, Coleman, Concho, Crockett and 20 more5 hr
Mar 19, 5:36 PM CSTMesoscale DiscussionSPCBandera, Brown, Concho, Edwards, Gillespie, Irion and 16 more114 min
Mar 19, 5:51 PM CSTMesoscale DiscussionSPCAndrews, Bailey, Cochran, Deaf Smith, Ector, Gaines and 8 more54 min

Nearby

Tornado Watches in Texas, 2006Every tornado watch 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.