Alert archive / Texas / Mesoscale Discussions in 2023

Mesoscale Discussion 1007

June 12, 202313 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2023, 7:49 PM CDT for 13 counties in Texas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Jun 12, 2023, 7:49 PM CDT (00:49 UTC)
Expired: Jun 12, 2023, 9:15 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 278

Counties Bell County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Comanche County, TX, Coryell County, TX, Hamilton County, TX, Lampasas County, TX, Llano County, TX, McCulloch County, TX, McLennan County, TX, Mills County, TX, San Saba County, TX

The radar

The Ft Hood radar (KGRK), 135 km from the middle of the area, began a volume at 00:52 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 (KDRT), launched 00:00Z, 0.8 hours before the alert went out and 315 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: 4070 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1725 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -66 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -6.3

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
Jun 12, 9:33 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Burnet, Comanche, Coryell, Erath and 10 more	57 min
Jun 13, 2:52 AM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Bowie, Camp, Cass, Clay and 32 more	83 min
Jun 13, 3:30 AM CDT	Severe Thunderstorm Watch	SPC	Bowie, Camp, Cass, Clay, Collin, Cooke and 28 more	7 hr
Jun 13, 5:39 AM CDT	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Collin, Cooke, Dallas and 23 more	96 min
Jun 13, 8:02 AM CDT	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Delta, Fannin, Franklin and 14 more	88 min
Jun 13, 9:30 AM CDT	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Delta, Fannin, Franklin and 14 more	60 min
Jun 13, 11:22 AM CDT	Mesoscale Discussion	SPC	Camp, Cass, Franklin, Gregg, Harrison, Hopkins and 7 more	2 hr
Jun 13, 12:11 PM CDT	Severe Thunderstorm Watch	SPC	Bowie, Camp, Cass, Franklin, Gregg, Harrison and 10 more	5 hr
Jun 13, 1:07 PM CDT	Mesoscale Discussion	SPC	Dallam, Hansford, Sherman	83 min
Jun 13, 1:30 PM CDT	Mesoscale Discussion	SPC	Bosque, Collin, Dallas, Denton, Ellis, Erath and 15 more	90 min
Jun 13, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	Collin, Cooke, Dallas, Delta, Denton, Ellis and 17 more	6 hr
Jun 13, 2:25 PM CDT	Mesoscale Discussion	SPC	Camp, Cass, Gregg, Harrison, Marion, Morris and 5 more	2 hr
Jun 13, 2:26 PM CDT	Severe Thunderstorm Watch	SPC	Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 7 more	7 hr
Jun 13, 4:04 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Burnet, Coleman, Comanche, Concho and 11 more	86 min
Jun 13, 4:43 PM CDT	Severe Thunderstorm Watch	SPC	Bowie, Camp, Cass, Franklin, Gregg, Harrison and 10 more	6 hr
Jun 13, 4:51 PM CDT	Mesoscale Discussion	SPC	Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 7 more	84 min
Jun 13, 5:49 PM CDT	Mesoscale Discussion	SPC	Collin, Cooke, Dallas, Delta, Denton, Ellis and 17 more	86 min
Jun 13, 6:57 PM CDT	Mesoscale Discussion	SPC	Carson, Gray, Hemphill, Hutchinson, Roberts, Wheeler	63 min

Nearby

Mesoscale Discussions in Texas, 2023 Every mesoscale discussion in 2023

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.