Alert archive / Texas / Severe Thunderstorm Watches in 2013

Severe Thunderstorm Watch 78

April 1, 2013Harmon County, Oklahoma; 25 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 1, 2013, 3:36 PM CDT for Harmon County, Oklahoma; 25 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 1, 2013, 3:36 PM CDT (20:36 UTC)
Expired
Apr 1, 2013, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 26 counties

Harmon County, OK, Armstrong County, TX, Borden County, TX, Briscoe County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Kent County, TX, King County, TX, Knox County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 83 km from the middle of the area, began a volume at 20:37 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
2%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 1, 3:44 PM CDTSevere Thunderstorm WarningLUBChildress, Hall31 min
Apr 1, 3:44 PM CDTSevere Thunderstorm WarningLUBHale46 min
Apr 1, 3:58 PM CDTSevere Thunderstorm WarningLUBBriscoe, Swisher47 min
Apr 1, 4:14 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall46 min
Apr 1, 4:16 PM CDTSevere Thunderstorm WarningLUBChildress, Hall44 min
Apr 1, 4:28 PM CDTSevere Thunderstorm WarningLUBFloyd32 min
Apr 1, 4:46 PM CDTSevere Thunderstorm WarningLUBBriscoe44 min
Apr 1, 4:57 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley48 min
Apr 1, 4:57 PM CDTTornado WarningLUBBriscoe33 min
Apr 1, 4:59 PM CDTSevere Thunderstorm WarningLUBChildress31 min
Apr 1, 5:03 PM CDTSevere Thunderstorm WarningOUNHardeman42 min
Apr 1, 5:25 PM CDTSevere Thunderstorm WarningLUBFloyd, Motley35 min
Apr 1, 5:30 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall30 min
Apr 1, 5:41 PM CDTSevere Thunderstorm WarningOUNHardeman49 min
Apr 1, 5:42 PM CDTSevere Thunderstorm WarningLUBCottle, Motley48 min
Apr 1, 5:59 PM CDTSevere Thunderstorm WarningLUBMotley31 min
Apr 1, 6:30 PM CDTSevere Thunderstorm WarningLUBCottle, Dickens, King, Motley30 min
Apr 1, 6:49 PM CDTSevere Thunderstorm WarningOUNFoard, Knox41 min
Apr 1, 6:53 PM CDTSevere Thunderstorm WarningLUBCottle, Dickens, King, Motley52 min
Apr 1, 7:29 PM CDTSevere Thunderstorm WarningOUNKnox46 min
Apr 1, 7:42 PM CDTSevere Thunderstorm WarningLUBKing, Stonewall33 min
Apr 1, 7:46 PM CDTSevere Thunderstorm WarningOUNKnox29 min
Apr 1, 8:14 PM CDTSevere Thunderstorm WarningOUNKnox46 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
Mar 31, 7:27 PM CDTMesoscale DiscussionSPCDimmit, Duval, Frio, Jim Wells, Kinney, Kleberg and 8 more93 min
Mar 31, 9:06 PM CDTSevere Thunderstorm WatchSPCBrooks, Hidalgo, Kenedy, Willacy69 min
Mar 31, 9:47 PM CDTMesoscale DiscussionSPCBrooks, Kleberg28 min
Apr 1, 3:23 PM CDTMesoscale DiscussionSPCBorden, Briscoe, Childress, Cottle, Crosby, Dickens and 16 more67 min
Apr 1, 5:27 PM CDTMesoscale DiscussionSPCBaylor, Childress, Cottle, Dickens, Foard, Hall and 8 more93 min
Apr 1, 6:44 PM CDTMesoscale DiscussionSPCPecos, Terrell91 min

Nearby

Severe Thunderstorm Watches in Texas, 2013Severe Thunderstorm Watches in Oklahoma, 2013Every severe thunderstorm watch in 2013

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.