Alert archive / Texas / Tornado Watches in 2005

Tornado Watch 464

June 12, 200514 counties in Oklahoma; 23 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 12, 2005, 12:20 PM CDT for 14 counties in Oklahoma; 23 counties in Texas. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 2005, 12:20 PM CDT (17:20 UTC)
Expired
Jun 12, 2005, 10:00 PM CDT
In force
10 hr
Issued by
the Storm Prediction Center
All 37 counties

Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Armstrong County, TX, Baylor County, TX, Briscoe County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Kent County, TX, King County, TX, Knox County, TX, Motley County, TX, Stonewall County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 124 km from the middle of the area, began a volume at 17:20 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

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

IssuedProductOfficeCountiesLasted
Jun 12, 1:00 PM CDTSevere Thunderstorm WarningLUBCrosby49 min
Jun 12, 3:36 PM CDTSevere Thunderstorm WarningLUBCrosby24 min
Jun 12, 4:18 PM CDTSevere Thunderstorm WarningOUNCuster42 min
Jun 12, 4:31 PM CDTSevere Thunderstorm WarningOUNBeckham44 min
Jun 12, 4:39 PM CDTSevere Thunderstorm WarningOUNWashita51 min
Jun 12, 4:47 PM CDTSevere Thunderstorm WarningLUBCrosby43 min
Jun 12, 4:49 PM CDTSevere Thunderstorm WarningOUNGreer41 min
Jun 12, 5:01 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Custer44 min
Jun 12, 5:07 PM CDTSevere Thunderstorm WarningLUBDickens, Motley53 min
Jun 12, 5:11 PM CDTTornado WarningLUBCrosby, Dickens34 min
Jun 12, 5:26 PM CDTTornado WarningLUBMotley40 min
Jun 12, 5:30 PM CDTSevere Thunderstorm WarningOUNWashita45 min
Jun 12, 5:32 PM CDTSevere Thunderstorm WarningOUNBeckham, Greer43 min
Jun 12, 5:33 PM CDTSevere Thunderstorm WarningLUBKent57 min
Jun 12, 5:38 PM CDTTornado WarningLUBKent52 min
Jun 12, 5:43 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo, Custer62 min
Jun 12, 5:59 PM CDTSevere Thunderstorm WarningLUBDickens61 min
Jun 12, 6:12 PM CDTSevere Thunderstorm WarningOUNWashita48 min
Jun 12, 6:28 PM CDTSevere Thunderstorm WarningOUNGreer, Harmon47 min
Jun 12, 6:28 PM CDTTornado WarningLUBDickens32 min
Jun 12, 6:30 PM CDTTornado WarningLUBKent45 min
Jun 12, 6:33 PM CDTSevere Thunderstorm WarningOUNKiowa42 min
Jun 12, 6:35 PM CDTFlash Flood WarningOUNCaddo, Washita3 hr
Jun 12, 6:45 PM CDTSevere Thunderstorm WarningOUNCaddo45 min
Jun 12, 6:55 PM CDTTornado WarningLUBStonewall65 min
Jun 12, 6:59 PM CDTSevere Thunderstorm WarningOUNWashita46 min
Jun 12, 7:13 PM CDTSevere Thunderstorm WarningOUNGreer, Kiowa47 min
Jun 12, 7:30 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian, Grady, Kingfisher45 min
Jun 12, 7:44 PM CDTSevere Thunderstorm WarningOUNWashita31 min
Jun 12, 7:56 PM CDTSevere Thunderstorm WarningLUBStonewall64 min
Jun 12, 7:58 PM CDTSevere Thunderstorm WarningOUNKiowa47 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 5.3 hours before the alert went out and 145 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, Amarillo Airport, TX at 12:00Z on 2005-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 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, Amarillo Airport, TX at 12:00Z on 2005-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
270 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 121719
SEL4  
SPC WW 121719
OKZ000-TXZ000-130300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 464
NWS STORM PREDICTION CENTER NORMAN OK
1220 PM CDT SUN JUN 12 2005

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

       WESTERN AND SOUTHERN OKLAHOMA
       NORTHERN AND WESTERN TEXAS AND THE EASTERN TEXAS PANHANDLE

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1220 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 85 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH NORTHEAST OF FORT
SILL OKLAHOMA TO 20 MILES SOUTH OF PLAINVIEW 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.

DISCUSSION...THUNDERSTORMS/SUPERCELLS EXPECTED TO DEVELOP OVER WRN
PART OF WW AREA DURING THE NEXT SEVERAL HRS AS SURFACE HEATING AND
APPROACH OF ERN NM UPR IMPULSE FURTHER DESTABILIZE REGION.  OTHER
STORMS MAY INTENSIFY/DEVELOP SWD FROM REGION OF ELEVATED CONVECTION
EXTENDING FROM NEAR AMA TO NEAR END.  COUPLED WITH STRENGTHENING
SHEAR AND PRESENCE OF RICH BNDRY LYR MOISTURE...POTENTIAL WILL EXIST
FOR TORNADOES IN ADDITION TO VERY LARGE HAIL/HIGH WIND.

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 550.
MEAN STORM MOTION VECTOR 23025.


...CORFIDI

335,0980 323,1014 350,1014 362,0980

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 8:27 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 9 more33 min
Jun 11, 10:11 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 10 more64 min
Jun 12, 5:03 AM CDTMesoscale DiscussionSPCBeaver, Harper, Texas2 hr
Jun 12, 5:30 AM CDTSevere Thunderstorm WatchSPCBeaver, Cimarron, Texas6 hr
Jun 12, 9:03 AM CDTMesoscale DiscussionSPCCotton, Jefferson, Tillman57 min
Jun 12, 10:08 AM CDTMesoscale DiscussionSPCBeckham, Blaine, Canadian, Custer, Dewey, Ellis and 8 more67 min
Jun 12, 11:35 AM CDTMesoscale DiscussionSPCGreer, Harmon85 min
Jun 12, 12:38 PM CDTMesoscale DiscussionSPCGarfield, Kay, Noble, Nowata, Osage, Pawnee and 2 more67 min
Jun 12, 1:20 PM CDTTornado WatchSPCCanadian, Garfield, Grant, Kay, Kingfisher, Logan and 7 more9 hr
Jun 12, 3:02 PM CDTMesoscale DiscussionSPCCraig, Creek, Delaware, Mayes, Ottawa, Rogers and 2 more58 min
Jun 12, 3:29 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Comanche, Cotton, Custer and 8 more91 min
Jun 12, 3:47 PM CDTMesoscale DiscussionSPCCimarron, Texas88 min
Jun 12, 5:41 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Creek and 14 more2 hr
Jun 12, 6:05 PM CDTTornado WatchSPCAdair, Carter, Cherokee, Cleveland, Creek, Delaware and 20 more5 hr
Jun 12, 6:13 PM CDTMesoscale DiscussionSPCDelaware, Mayes, Ottawa2 hr

Nearby

Tornado Watches in Texas, 2005Tornado Watches in Oklahoma, 2005Every tornado watch in 2005

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.