Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 733

May 25, 201611 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2016, 8:07 PM CDT for 11 counties in Texas. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: May 25, 2016, 8:07 PM CDT (01:07 UTC)
Expired: May 25, 2016, 9:30 PM CDT
In force: 83 min
Issued by: the Storm Prediction Center
Chance of a watch: 60%

Counties Brewster County, TX, Crockett County, TX, Edwards County, TX, Irion County, TX, Kinney County, TX, Pecos County, TX, Schleicher County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 163 km from the middle of the area, began a volume at 01:09 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 nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 1.1 hours before the alert went out and 108 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3634 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1075 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.6

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.

Issued	Product	Office	Counties	Lasted
May 26, 12:54 AM CDT	Mesoscale Discussion	SPC	Coleman, Concho, Crockett, Edwards, Irion, Kimble and 8 more	36 min
May 26, 7:35 AM CDT	Mesoscale Discussion	SPC	Bosque, Coryell, Hamilton, Hill, Limestone, McLennan and 1 more	115 min
May 26, 1:13 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Hemphill, Lipscomb, Ochiltree, Wheeler	2 hr
May 26, 1:31 PM CDT	Tornado Watch	SPC	Archer, Baylor, Foard, Hardeman, Knox, Wichita and 1 more	10 hr
May 26, 1:50 PM CDT	Mesoscale Discussion	SPC	Angelina, Austin, Bastrop, Bexar, Brazos, Burleson and 29 more	115 min
May 26, 2:43 PM CDT	Mesoscale Discussion	SPC	Callahan, Coke, Coleman, Concho, Crockett, Edwards and 22 more	2 hr
May 26, 3:12 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Concho, Crockett and 21 more	8 hr
May 26, 3:45 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Cottle, Donley, Gray, Hall and 6 more	60 min
May 26, 6:25 PM CDT	Mesoscale Discussion	SPC	Austin, Colorado, Fayette, Fort Bend, Harris, Montgomery and 2 more	95 min
May 26, 6:53 PM CDT	Mesoscale Discussion	SPC	Brown, Callahan, Coke, Coleman, Concho, Crockett and 21 more	67 min

Nearby

Mesoscale Discussions in Texas, 2016 Every 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.