Alert archive / Texas / Severe Thunderstorm Watches in 2006

Severe Thunderstorm Watch 270

May 1, 20067 counties in Oklahoma; 23 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 1, 2006, 4:42 PM CDT for 7 counties in Oklahoma; 23 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 1, 2006, 4:42 PM CDT (21:42 UTC)
Expired: May 1, 2006, 11:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 30 counties

Carter County, OK, Cotton County, OK, Garvin County, OK, Jefferson County, OK, Love County, OK, Murray County, OK, Stephens County, OK, Archer County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coleman County, TX, Cooke County, TX, Denton County, TX, Eastland County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Shackelford County, TX, Stephens County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wise County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 98 km from the middle of the area, began a volume at 21:42 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: 10%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 50%
One or more hailstones of 2 inches or more: 20%
Six or more combined severe hail and wind reports: 80%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 1, 5:07 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	38 min
May 1, 6:23 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	23 min
May 1, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	64 min
May 1, 6:30 PM CDT	Severe Thunderstorm Warning	FWD	Young	31 min
May 1, 7:42 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	48 min
May 1, 7:46 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	44 min
May 1, 7:50 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	55 min
May 1, 8:28 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	32 min
May 1, 8:45 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	60 min
May 1, 8:58 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	27 min
May 1, 9:02 PM CDT	Flash Flood Warning	FWD	Stephens	58 min
May 1, 9:16 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	59 min
May 1, 9:44 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	61 min
May 1, 10:12 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	63 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
Apr 30, 9:40 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Creek, Delaware, Mayes and 12 more	95 min
May 1, 4:17 PM CDT	Mesoscale Discussion	SPC	Adair, Atoka, Carter, Cherokee, Coal, Cotton and 24 more	118 min
May 1, 5:17 PM CDT	Tornado Watch	SPC	Adair, Cherokee, Delaware, Haskell, LeFlore, McIntosh and 2 more	7 hr
May 1, 6:59 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Delaware, Haskell, LeFlore, Sequoyah	91 min

Nearby

Severe Thunderstorm Watches in Texas, 2006 Severe Thunderstorm Watches in Oklahoma, 2006 Every severe thunderstorm 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.