Alert archive / Texas / Tornado Watches in 2009

Tornado Watch 272

May 8, 200940 counties in Texas

The Storm Prediction Center issued this tornado watch at May 8, 2009, 5:08 PM CDT for 40 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 8, 2009, 5:08 PM CDT (22:08 UTC)
Expired: May 9, 2009, 12:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 40 counties

Bosque County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Hamilton County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Kimble County, TX, Lampasas County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Tom Green County, TX, Wise County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 68 km from the middle of the area, began a volume at 22:07 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: 20%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 40%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 8, 5:09 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	51 min
May 8, 5:18 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	57 min
May 8, 5:30 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	45 min
May 8, 5:40 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	65 min
May 8, 5:48 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	42 min
May 8, 6:02 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	43 min
May 8, 6:15 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Erath, Palo Pinto, Stephens	60 min
May 8, 6:30 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	45 min
May 8, 6:45 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	60 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	FWD	Jack	55 min
May 8, 7:11 PM CDT	Severe Thunderstorm Warning	SJT	Brown	49 min
May 8, 7:12 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	63 min
May 8, 7:16 PM CDT	Severe Thunderstorm Warning	FWD	Montague	59 min
May 8, 7:26 PM CDT	Severe Thunderstorm Warning	OUN	Clay	49 min
May 8, 7:37 PM CDT	Tornado Warning	SJT	Brown	23 min
May 8, 7:43 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	23 min
May 8, 7:55 PM CDT	Severe Thunderstorm Warning	SJT	Brown	65 min
May 8, 8:00 PM CDT	Tornado Warning	SJT	Brown	30 min
May 8, 8:08 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	52 min
May 8, 8:14 PM CDT	Severe Thunderstorm Warning	FWD	Montague	61 min
May 8, 8:22 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	38 min
May 8, 8:29 PM CDT	Tornado Warning	SJT	Brown	31 min
May 8, 8:32 PM CDT	Severe Thunderstorm Warning	FWD	Mills	58 min
May 8, 8:43 PM CDT	Severe Thunderstorm Warning	SJT	Brown, McCulloch, San Saba	77 min
May 8, 8:45 PM CDT	Tornado Warning	FWD	Montague	30 min
May 8, 8:54 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	66 min
May 8, 9:14 PM CDT	Severe Thunderstorm Warning	FWD	Montague	61 min
May 8, 9:33 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto	27 min
May 8, 9:39 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	51 min
May 8, 9:40 PM CDT	Flash Flood Warning	SJT	Brown	80 min
May 8, 9:53 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	67 min
May 8, 9:55 PM CDT	Flash Flood Warning	SJT	McCulloch, San Saba	110 min
May 8, 10:02 PM CDT	Tornado Warning	FWD	Montague	28 min
May 8, 10:05 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	55 min
May 8, 10:14 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	61 min
May 8, 10:26 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	49 min
May 8, 10:31 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	29 min
May 8, 10:47 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Grayson	58 min
May 8, 10:49 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason, San Saba	35 min
May 8, 10:59 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	61 min
May 8, 11:11 PM CDT	Flash Flood Warning	FWD	Grayson	3 hr
May 8, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	41 min
May 8, 11:45 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Fannin, Grayson, Hunt	60 min
May 9, 12:00 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	60 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.

Issued	Product	Office	Counties	Lasted
May 8, 3:42 PM CDT	Mesoscale Discussion	SPC	Cooke, Jack, Montague, Palo Pinto, Parker, Stephens and 1 more	93 min

Nearby

Tornado Watches in Texas, 2009 Every tornado watch in 2009

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.