Alert archive / Texas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 227

May 29, 20167 counties in New Mexico; 8 counties in Oklahoma; 51 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2016, 12:53 PM MDT for 7 counties in New Mexico; 8 counties in Oklahoma; 51 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 29, 2016, 12:53 PM MDT (18:53 UTC)
Expired
May 29, 2016, 9:00 PM MDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 66 counties

Chaves County, NM, Curry County, NM, De Baca County, NM, Harding County, NM, Quay County, NM, Roosevelt County, NM, Union County, NM, Beckham County, OK, Cimarron County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Roger Mills County, OK, Texas County, OK, Tillman County, OK, Archer County, TX, Armstrong County, TX, Bailey County, TX, Baylor County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Clay County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dallam County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hartley County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Yoakum County, TX

The radar

The Amarillo radar (KAMA), 57 km from the middle of the area, began a volume at 18:57 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
20%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
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

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

IssuedProductOfficeCountiesLasted
May 29, 12:54 PM MDTSevere Thunderstorm WarningAMAHartley, Moore, Potter66 min
May 29, 12:56 PM MDTFlash Flood WarningAMAHansford, Hutchinson, Ochiltree, Roberts3 hr
May 29, 1:02 PM MDTSevere Thunderstorm WarningAMAHutchinson58 min
May 29, 1:10 PM MDTSevere Thunderstorm WarningAMACarson65 min
May 29, 1:23 PM MDTSevere Thunderstorm WarningABQQuay36 min
May 29, 1:27 PM MDTFlash Flood WarningAMACarson, Hutchinson, Moore, Potter3 hr
May 29, 1:28 PM MDTSevere Thunderstorm WarningAMAOldham62 min
May 29, 1:35 PM MDTFlash Flood WarningAMAGray, Hemphill, Roberts, Wheeler3 hr
May 29, 1:40 PM MDTSevere Thunderstorm WarningAMADallam, Sherman65 min
May 29, 1:43 PM MDTSevere Thunderstorm WarningAMAHemphill, Roberts62 min
May 29, 1:52 PM MDTSevere Thunderstorm WarningAMACimarron, Texas53 min
May 29, 1:54 PM MDTSevere Thunderstorm WarningABQQuay50 min
May 29, 2:01 PM MDTSevere Thunderstorm WarningAMACarson, Gray, Wheeler59 min
May 29, 2:04 PM MDTSevere Thunderstorm WarningAMACarson, Hutchinson56 min
May 29, 2:20 PM MDTFlash Flood WarningAMACarson3 hr
May 29, 2:21 PM MDTSevere Thunderstorm WarningABQQuay, San Miguel25 min
May 29, 2:26 PM MDTSevere Thunderstorm WarningAMADeaf Smith, Oldham64 min
May 29, 2:34 PM MDTSevere Thunderstorm WarningLUBBriscoe, Hall26 min
May 29, 2:36 PM MDTSevere Thunderstorm WarningAMAPotter, Randall54 min
May 29, 2:54 PM MDTSevere Thunderstorm WarningLUBHall21 min
May 29, 2:56 PM MDTSevere Thunderstorm WarningAMAArmstrong, Carson, Collingsworth, Donley, Gray, Wheeler64 min
May 29, 2:56 PM MDTSevere Thunderstorm WarningLUBMotley19 min
May 29, 2:57 PM MDTFlash Flood WarningAMAArmstrong, Carson, Donley, Gray3 hr
May 29, 3:12 PM MDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley33 min
May 29, 3:14 PM MDTSevere Thunderstorm WarningLUBHall, Motley31 min
May 29, 3:23 PM MDTSevere Thunderstorm WarningABQRoosevelt52 min
May 29, 3:23 PM MDTSevere Thunderstorm WarningOUNBeckham, Roger Mills37 min
May 29, 3:23 PM MDTSevere Thunderstorm WarningOUNBeckham, Roger Mills52 min
May 29, 3:26 PM MDTSevere Thunderstorm WarningABQCurry49 min
May 29, 3:29 PM MDTSevere Thunderstorm WarningAMADeaf Smith, Oldham, Potter, Randall61 min
May 29, 3:37 PM MDTSevere Thunderstorm WarningABQChaves38 min
May 29, 3:41 PM MDTSevere Thunderstorm WarningLUBChildress, Cottle34 min
May 29, 3:43 PM MDTFlash Flood WarningAMAWheeler3 hr
May 29, 3:44 PM MDTSevere Thunderstorm WarningLUBCottle, Hall, Motley31 min
May 29, 3:47 PM MDTSevere Thunderstorm WarningOUNFoard, Hardeman43 min
May 29, 4:07 PM MDTSevere Thunderstorm WarningLUBCottle23 min
May 29, 4:10 PM MDTSevere Thunderstorm WarningABQCurry, Quay, Roosevelt50 min
May 29, 4:11 PM MDTSevere Thunderstorm WarningLUBCottle, Hall, Motley34 min
May 29, 4:14 PM MDTFlash Flood WarningAMAArmstrong, Carson, Deaf Smith, Potter, Randall3 hr
May 29, 4:16 PM MDTSevere Thunderstorm WarningABQRoosevelt44 min
May 29, 4:23 PM MDTSevere Thunderstorm WarningOUNFoard, Hardeman52 min
May 29, 4:27 PM MDTSevere Thunderstorm WarningLUBCottle33 min
May 29, 4:29 PM MDTTornado WarningABQCurry31 min
May 29, 4:31 PM MDTSevere Thunderstorm WarningOUNFoard, Hardeman44 min
May 29, 4:33 PM MDTSevere Thunderstorm WarningLUBCottle27 min
May 29, 4:41 PM MDTSevere Thunderstorm WarningOUNFoard49 min
May 29, 4:43 PM MDTSevere Thunderstorm WarningABQRoosevelt29 min
May 29, 4:46 PM MDTSevere Thunderstorm WarningLUBCottle, King14 min
May 29, 4:49 PM MDTFlash Flood WarningOUNFoard, Hardeman3 hr
May 29, 4:58 PM MDTSevere Thunderstorm WarningLUBCottle, King22 min
May 29, 5:13 PM MDTFlash Flood WarningAMACarson3 hr
May 29, 5:17 PM MDTSevere Thunderstorm WarningOUNBaylor, Foard, Hardeman, Knox, Wilbarger43 min
May 29, 5:25 PM MDTSevere Thunderstorm WarningABQRoosevelt36 min
May 29, 5:30 PM MDTSevere Thunderstorm WarningOUNBaylor, Knox30 min
May 29, 5:36 PM MDTSevere Thunderstorm WarningLUBCottle, Dickens, King24 min
May 29, 5:48 PM MDTFlash Flood WarningOUNBaylor, Foard, Knox, Wilbarger4 hr
May 29, 5:56 PM MDTSevere Thunderstorm WarningOUNBaylor, Foard, Knox, Wilbarger49 min
May 29, 5:58 PM MDTSevere Thunderstorm WarningLUBDickens, King32 min
May 29, 6:05 PM MDTSevere Thunderstorm WarningOUNBaylor, Knox40 min
May 29, 6:35 PM MDTTornado WarningOUNBaylor25 min
May 29, 6:43 PM MDTSevere Thunderstorm WarningOUNKnox47 min
May 29, 6:44 PM MDTSevere Thunderstorm WarningOUNArcher, Baylor46 min
May 29, 6:45 PM MDTFlash Flood WarningOUNBaylor, Knox3 hr
May 29, 7:09 PM MDTFlash Flood WarningOUNArcher, Baylor4 hr
May 29, 7:26 PM MDTSevere Thunderstorm WarningOUNBaylor, Knox49 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, 6.9 hours before the alert went out and 58 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 2016-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 428 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 2016-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
428 J/kg
Mixed-layer CIN
-344 J/kg
Mixed-layer LCL
1713 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 11:48 AM MDTMesoscale DiscussionSPCCurry, Quay, Roosevelt117 min
May 29, 1:42 PM MDTMesoscale DiscussionSPCEddy, Lea2 hr
May 29, 2:57 PM MDTSevere Thunderstorm WatchSPCEddy, Lea7 hr
May 28, 9:00 PM MDTMesoscale DiscussionSPCCarter, Jefferson, Love60 min
May 29, 6:52 AM MDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 15 more2 hr
May 29, 2:31 PM MDTMesoscale DiscussionSPCCraig, Delaware, Mayes, Nowata, Osage, Ottawa and 3 more119 min
May 29, 3:56 PM MDTMesoscale DiscussionSPCCollin, Dallas, Denton, Ellis, Henderson, Hood and 14 more94 min
May 29, 4:21 PM MDTMesoscale DiscussionSPCArcher, Baylor, Cottle, Foard, Hall, Haskell and 10 more114 min

Nearby

Severe Thunderstorm Watches in Texas, 2016Severe Thunderstorm Watches in Oklahoma, 2016Severe Thunderstorm Watches in New Mexico, 2016Every severe thunderstorm watch in 2016

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.