Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 782

May 29, 201616 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 29, 2016, 5:21 PM CDT for 16 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 29, 2016, 5:21 PM CDT (22:21 UTC)
Expired
May 29, 2016, 7:15 PM CDT
In force
114 min
Issued by
the Storm Prediction Center

Counties Archer County, TX, Baylor County, TX, Cottle County, TX, Foard County, TX, Hall County, TX, Haskell County, TX, Jones County, TX, King County, TX, Knox County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

The radar

The Dyess AFB radar (KDYX), 115 km from the middle of the area, began a volume at 22:22 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.4 hours before the alert went out and 263 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

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 10:00 PM CDTMesoscale DiscussionSPCArcher, Bandera, Baylor, Bexar, Blanco, Borden and 57 more60 min
May 29, 7:52 AM CDTMesoscale DiscussionSPCCarson, Collingsworth, Donley, Gray, Hansford, Hemphill and 5 more2 hr
May 29, 12:48 PM CDTMesoscale DiscussionSPCArmstrong, Bailey, Briscoe, Carson, Castro, Cochran and 19 more117 min
May 29, 1:53 PM CDTSevere Thunderstorm WatchSPCArcher, Armstrong, Bailey, Baylor, Briscoe, Carson and 45 more8 hr
May 29, 2:42 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brewster, Coke, Crane, Crockett and 27 more2 hr
May 29, 3:57 PM CDTSevere Thunderstorm WatchSPCAndrews, Borden, Brewster, Crane, Crockett, Culberson and 22 more7 hr
May 29, 4:56 PM CDTMesoscale DiscussionSPCCollin, Dallas, Denton, Ellis, Henderson, Hood and 14 more94 min

Nearby

Mesoscale Discussions in Texas, 2016Every mesoscale discussion 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.