Alert archive / Texas / Tornado Watches in 2006

Tornado Watch 783

September 21, 20064 counties in Arkansas; 18 counties in Oklahoma; 39 counties in Texas

The Storm Prediction Center issued this tornado watch at Sep 21, 2006, 2:51 PM CDT for 4 counties in Arkansas; 18 counties in Oklahoma; 39 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Sep 21, 2006, 2:51 PM CDT (19:51 UTC)
Expired
Sep 21, 2006, 10:08 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 61 counties

Howard County, AR, Little River County, AR, Miller County, AR, Sevier County, AR, Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Murray County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Stephens County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Gregg County, TX, Harrison County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Marion County, TX, Montague County, TX, Morris County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Stephens County, TX, Tarrant County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 158 km from the middle of the area, began a volume at 19:53 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
50%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
40%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 21, 7:09 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal, Johnston51 min
Sep 21, 7:44 PM CDTTornado WarningOUNAtoka46 min
Sep 21, 7:54 PM CDTTornado WarningTSAPushmataha66 min
Sep 21, 8:19 PM CDTTornado WarningTSALatimer56 min
Sep 21, 8:57 PM CDTTornado WarningTSAPushmataha33 min
Sep 21, 9:02 PM CDTTornado WarningSHVMcCurtain58 min
Sep 21, 9:05 PM CDTSevere Thunderstorm WarningTSALeFlore55 min
Sep 21, 9:55 PM CDTTornado WarningSHVMcCurtain35 min

Discussions around it

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

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 5:51 PM CDTMesoscale DiscussionSPCHoward, Little River, Miller, Montgomery, Pike, Polk and 1 more114 min
Sep 21, 2:18 PM CDTMesoscale DiscussionSPCCleveland, Garfield, Garvin, Grady, Grant, Kay and 12 more87 min
Sep 21, 2:35 PM CDTTornado WatchSPCAdair, Canadian, Cherokee, Cleveland, Craig, Creek and 30 more7 hr
Sep 21, 2:51 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 8 more54 min
Sep 21, 5:00 PM CDTMesoscale DiscussionSPCCherokee, Craig, Creek, Kay, Lincoln, McIntosh and 12 more90 min
Sep 21, 10:48 AM CDTMesoscale DiscussionSPCJasper, Jefferson, Newton, Orange87 min

Nearby

Tornado Watches in Texas, 2006Tornado Watches in Oklahoma, 2006Tornado Watches in Arkansas, 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; radar from the NEXRAD Level II archive.