Alert archive / Texas / Tornado Watches in 2006

Tornado Watch 294

May 5, 2006Roosevelt County, New Mexico; 22 counties in Texas

The Storm Prediction Center issued this tornado watch at May 5, 2006, 3:26 PM MDT for Roosevelt County, New Mexico; 22 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 5, 2006, 3:26 PM MDT (21:26 UTC)
Expired
May 5, 2006, 8:39 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
60 kt
All 23 counties

Roosevelt County, NM, Bailey County, TX, Callahan County, TX, Cochran County, TX, Crosby County, TX, Dickens County, TX, Fisher County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Haskell County, TX, Hockley County, TX, Jones County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Shackelford County, TX, Stonewall County, TX, Terry County, TX, Throckmorton County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 16 km from the middle of the area, began a volume at 21:27 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 5, 4:12 PM MDTSevere Thunderstorm WarningLUBLubbock, Lynn63 min
May 5, 4:23 PM MDTSevere Thunderstorm WarningABQRoosevelt67 min
May 5, 4:28 PM MDTSevere Thunderstorm WarningLUBHockley, Terry62 min
May 5, 4:55 PM MDTSevere Thunderstorm WarningLUBStonewall65 min
May 5, 4:58 PM MDTTornado WarningLUBTerry32 min
May 5, 5:14 PM MDTSevere Thunderstorm WarningLUBLubbock, Lynn61 min
May 5, 5:15 PM MDTSevere Thunderstorm WarningSJTFisher45 min
May 5, 5:28 PM MDTSevere Thunderstorm WarningSJTCallahan, Taylor32 min
May 5, 5:30 PM MDTTornado WarningLUBTerry30 min
May 5, 5:32 PM MDTSevere Thunderstorm WarningLUBHockley43 min
May 5, 5:34 PM MDTSevere Thunderstorm WarningLUBGarza56 min
May 5, 5:34 PM MDTTornado WarningSJTCallahan, Taylor26 min
May 5, 5:38 PM MDTSevere Thunderstorm WarningLUBCochran, Yoakum67 min
May 5, 5:41 PM MDTSevere Thunderstorm WarningLUBDickens, Kent49 min
May 5, 5:46 PM MDTTornado WarningLUBLynn29 min
May 5, 5:50 PM MDTSevere Thunderstorm WarningSJTHaskell55 min
May 5, 5:51 PM MDTSevere Thunderstorm WarningSJTFisher39 min
May 5, 5:56 PM MDTTornado WarningLUBYoakum34 min
May 5, 5:57 PM MDTTornado WarningSJTCallahan48 min
May 5, 5:58 PM MDTSevere Thunderstorm WarningLUBStonewall24 min
May 5, 6:04 PM MDTTornado WarningSJTHaskell41 min
May 5, 6:12 PM MDTSevere Thunderstorm WarningSJTJones48 min
May 5, 6:16 PM MDTSevere Thunderstorm WarningLUBLynn59 min
May 5, 6:22 PM MDTTornado WarningLUBTerry38 min
May 5, 6:28 PM MDTTornado WarningSJTJones47 min
May 5, 6:30 PM MDTSevere Thunderstorm WarningLUBGarza30 min
May 5, 6:31 PM MDTSevere Thunderstorm WarningLUBKent59 min
May 5, 6:43 PM MDTTornado WarningSJTCallahan32 min
May 5, 6:44 PM MDTTornado WarningSJTHaskell, Shackelford, Throckmorton46 min
May 5, 7:00 PM MDTSevere Thunderstorm WarningLUBTerry24 min
May 5, 7:09 PM MDTSevere Thunderstorm WarningSJTFisher66 min
May 5, 7:14 PM MDTTornado WarningSJTCallahan, Jones, Shackelford, Taylor46 min
May 5, 7:25 PM MDTSevere Thunderstorm WarningSJTHaskell, Throckmorton50 min
May 5, 7:51 PM MDTSevere Thunderstorm WarningSJTFisher, Jones, Nolan54 min
May 5, 7:58 PM MDTTornado WarningSJTCallahan, Shackelford32 min
May 5, 8:03 PM MDTTornado WarningSJTCallahan, Taylor42 min
May 5, 8:19 PM MDTTornado WarningSJTJones, Shackelford26 min
May 5, 8:28 PM MDTSevere Thunderstorm WarningSJTJones, Taylor32 min
May 5, 8:38 PM MDTTornado WarningSJTCallahan, Coleman52 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, 9.4 hours before the alert went out and 194 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 052126
SEL4  
SPC WW 052126
NMZ000-TXZ000-060300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 294
NWS STORM PREDICTION CENTER NORMAN OK
425 PM CDT FRI MAY 5 2006

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

       EASTERN NEW MEXICO
       WEST TEXAS

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 425 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST OF
CANNON AFB NEW MEXICO TO 35 MILES EAST NORTHEAST OF ABILENE
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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...WW 293...

DISCUSSION...SEVERE CELLS ARE ONGOING OVER EASTERN NM. OTHER
ISOLATED THUNDERSTORMS ARE BEGINNING TO FORM ALONG SURFACE BOUNDARY
SOUTH OF LBB.  BACKED LOW LEVEL WINDS JUST NORTH OF BOUNDARY ALONG
WITH SLOW DESTABILIZATION WILL PROMOTE A RISK OF SUPERCELLS CAPABLE
OF LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.  GREATEST
TORNADO THREAT WILL BE ALONG SURFACE BOUNDARY SOUTH OF LBB.

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 27030.


...HART

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, 12:08 PM MDTTornado WatchSPCChaves, Eddy, Lea9 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.