Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 1145

July 5, 201622 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2016, 3:08 PM CDT for 22 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 5, 2016, 3:08 PM CDT (20:08 UTC)
Expired: Jul 5, 2016, 5:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 22 counties

Andrews County, TX, Borden County, TX, Coke County, TX, Crosby County, TX, Dawson County, TX, Ector County, TX, Fisher County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Howard County, TX, Kent County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Terry County, TX

The radar

The Midland/Odessa radar (KMAF), 82 km from the middle of the area, began a volume at 20:09 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

Midland Regional, TX (KMAF), launched 12:00Z, 8.1 hours before the alert went out and 82 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: 785 J/kg
Mixed-layer CIN: -358 J/kg
Mixed-layer LCL: 2422 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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
Jul 4, 11:14 PM CDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Donley and 13 more	2 hr
Jul 4, 11:45 PM CDT	Mesoscale Discussion	SPC	Bosque, Comanche, Erath, Hood, Johnson, Somervell and 1 more	90 min
Jul 5, 5:19 AM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Clay, Erath, Foard, Hardeman and 15 more	2 hr

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.