Alert archive / Texas / Tornado Watches in 2006

Tornado Watch 293

May 5, 2006Chaves County, Eddy County, Lea County, New Mexico; 35 counties in Texas

The Storm Prediction Center issued this tornado watch at May 5, 2006, 12:08 PM MDT for Chaves County, Eddy County, Lea County, New Mexico; 35 counties in Texas. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
May 5, 2006, 12:08 PM MDT (18:08 UTC)
Expired
May 5, 2006, 9:00 PM MDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
60 kt
All 38 counties

Chaves County, NM, Eddy County, NM, Lea County, NM, Andrews County, TX, Borden County, TX, Brown County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kimble County, TX, Loving County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 52 km from the middle of the area, began a volume at 18:09 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
60%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
50%
Ten or more severe hail reports
90%
One or more hailstones of 2 inches or more
80%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 5, 2:30 PM MDTSevere Thunderstorm WarningABQChaves, De Baca45 min
May 5, 3:37 PM MDTSevere Thunderstorm WarningMAFLea53 min
May 5, 3:50 PM MDTSevere Thunderstorm WarningABQChaves40 min
May 5, 4:07 PM MDTTornado WarningABQChaves38 min
May 5, 4:10 PM MDTSevere Thunderstorm WarningMAFGaines65 min
May 5, 4:47 PM MDTSevere Thunderstorm WarningMAFLea58 min
May 5, 4:48 PM MDTSevere Thunderstorm WarningMAFScurry57 min
May 5, 4:52 PM MDTSevere Thunderstorm WarningSJTTaylor53 min
May 5, 5:03 PM MDTSevere Thunderstorm WarningMAFGaines57 min
May 5, 5:28 PM MDTSevere Thunderstorm WarningSJTCallahan, Taylor32 min
May 5, 5:34 PM MDTTornado WarningSJTCallahan, Taylor26 min
May 5, 5:51 PM MDTSevere Thunderstorm WarningMAFDawson, Gaines54 min
May 5, 6:07 PM MDTSevere Thunderstorm WarningSJTCoke, Runnels53 min
May 5, 6:20 PM MDTTornado WarningMAFAndrews, Dawson, Gaines, Martin55 min
May 5, 6:30 PM MDTSevere Thunderstorm WarningMAFScurry60 min
May 5, 6:42 PM MDTSevere Thunderstorm WarningSJTCoke, Nolan48 min
May 5, 6:59 PM MDTTornado WarningMAFDawson, Martin61 min
May 5, 7:00 PM MDTSevere Thunderstorm WarningSJTColeman, Runnels60 min
May 5, 7:13 PM MDTTornado WarningSJTCrockett47 min
May 5, 7:14 PM MDTTornado WarningSJTCallahan, Jones, Shackelford, Taylor46 min
May 5, 7:22 PM MDTTornado WarningSJTColeman, Runnels38 min
May 5, 7:28 PM MDTSevere Thunderstorm WarningSJTTaylor62 min
May 5, 7:29 PM MDTSevere Thunderstorm WarningMAFScurry61 min
May 5, 7:34 PM MDTSevere Thunderstorm WarningSJTTaylor41 min
May 5, 7:45 PM MDTSevere Thunderstorm WarningMAFHoward60 min
May 5, 7:51 PM MDTSevere Thunderstorm WarningSJTFisher, Jones, Nolan54 min
May 5, 7:56 PM MDTTornado WarningSJTBrown, Coleman49 min
May 5, 8:00 PM MDTSevere Thunderstorm WarningMAFDawson60 min
May 5, 8:03 PM MDTTornado WarningSJTCallahan, Taylor42 min
May 5, 8:25 PM MDTSevere Thunderstorm WarningSJTNolan, Taylor35 min
May 5, 8:28 PM MDTSevere Thunderstorm WarningSJTJones, Taylor32 min
May 5, 8:38 PM MDTTornado WarningSJTCallahan, Coleman52 min
May 5, 8:38 PM MDTTornado WarningSJTBrown52 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

Midland Regional, TX (KMAF), launched 12:00Z, 6.1 hours before the alert went out and 51 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, Midland Regional, TX at 12:00Z on 2006-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1954 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, Midland Regional, TX at 12:00Z on 2006-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.1939587897Sfc1 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
1954 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
302 m²/s²
Significant tornado parameter
2.3
Supercell composite
20.2

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 051816
SEL3  
SPC WW 051816
NMZ000-TXZ000-060300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 293
NWS STORM PREDICTION CENTER NORMAN OK
110 PM CDT FRI MAY 5 2006

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

       SOUTHEAST NEW MEXICO
       PERMIAN BASIN AND CONCHO VALLEY OF WEST TEXAS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 110 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 3 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 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH SOUTHWEST OF
ROSWELL NEW MEXICO TO 55 MILES NORTHEAST OF JUNCTION TEXAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

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...CONTINUE...WW 292...

DISCUSSION...SURFACE HEATING IS BEGINNING TO ERODE THE CAP ALONG A
BAROCLINIC ZONE FROM EXTREME SE NM TO MAF TO JUST N OF SJT. 
BOUNDARY LAYER DEWPOINTS IN THE UPPER 50S TO LOWER 60S...AFTERNOON
TEMPERATURES NEAR 80 F...AND VERY STEEP MID LEVEL LAPSE RATES WILL
RESULT IN MLCAPE VALUES OF 2000-3000 J/KG ALONG AND S OF THIS FRONT.
IN ADVANCE OF A MID LEVEL SHORTWAVE TROUGH MOVING EWD OVER FAR W
TX...INCREASING LARGE SCALE ASCENT AND VERTICAL SHEAR CAN BE
EXPECTED OVER W CENTRAL TX THIS AFTERNOON.  SCATTERED SEVERE STORMS
WILL LIKELY BEGIN TO DEVELOP IN THE NEXT 1-2 HOURS ALONG THE
BOUNDARY...WITH SEVERAL STORMS EXPECTED TO BECOME SUPERCELLS.  VERY
LARGE HAIL AND DAMAGING WINDS WILL BE LIKELY...WHILE A FEW TORNADOES
COULD OCCUR WITH STORMS MOVING ALONG THE FRONT...WHERE LOW-LEVEL
MOISTURE AND SHEAR WILL BE MAXIMIZED.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 29025.


...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 11:36 AM MDTMesoscale DiscussionSPCChaves, Eddy, Lea84 min
May 5, 3:26 PM MDTTornado WatchSPCRoosevelt5 hr
May 5, 5:49 PM MDTMesoscale DiscussionSPCCurry, Lea, Roosevelt86 min
May 4, 6:24 PM MDTMesoscale DiscussionSPCAndrews, Bastrop, Bell, Blanco, Borden, Brown and 49 more96 min
May 4, 8:12 PM MDTMesoscale DiscussionSPCAndrews, Atascosa, Bandera, Bastrop, Bell, Bexar and 71 more93 min
May 4, 9:00 PM MDTSevere Thunderstorm WatchSPCBandera, Bastrop, Bexar, Blanco, Borden, Brown and 45 more6 hr
May 5, 12:25 AM MDTMesoscale DiscussionSPCDallas, Denton, Hood, Jack, Johnson, Palo Pinto and 5 more2 hr
May 5, 2:34 PM MDTMesoscale DiscussionSPCBandera, Edwards, Kerr, Medina, Real, Terrell and 2 more116 min
May 5, 2:35 PM MDTMesoscale DiscussionSPCBandera, Edwards, Kerr, Medina, Real, Terrell and 2 more115 min
May 5, 4:02 PM MDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, Blanco, Burnet, Comal and 20 more7 hr

Nearby

Tornado Watches in Texas, 2006Tornado Watches in New Mexico, 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.