Alert archive / Texas / Mesoscale Discussions in 2019

Mesoscale Discussion 942

June 2, 201916 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2019, 4:20 AM CDT for 16 counties in Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jun 2, 2019, 4:20 AM CDT (09:20 UTC)
Expired: Jun 2, 2019, 5:45 AM CDT
In force: 85 min
Issued by: the Storm Prediction Center

Counties Bosque County, TX, Brown County, TX, Callahan County, TX, Coleman County, TX, Comanche County, TX, Eastland County, TX, Erath County, TX, Hamilton County, TX, Hood County, TX, Johnson County, TX, Palo Pinto County, TX, Parker County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Taylor County, TX

The radar

The Dyess AFB radar (KDYX), 78 km from the middle of the area, began a volume at 09:22 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.3 hours before the alert went out and 125 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: 92 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1546 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 1, 7:42 PM CDT	Severe Thunderstorm Watch	SPC	Bailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more	7 hr
Jun 2, 1:17 AM CDT	Mesoscale Discussion	SPC	Callahan, Comanche, Eastland, Erath, Fisher, Garza and 13 more	118 min
Jun 2, 2:30 AM CDT	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Comanche, Eastland and 12 more	4 hr
Jun 2, 2:35 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Crane, Culberson, Ector, Jeff Davis and 5 more	115 min
Jun 2, 3:01 PM CDT	Severe Thunderstorm Watch	SPC	Brewster, Culberson, Hudspeth, Jeff Davis, Loving, Pecos and 5 more	7 hr
Jun 2, 5:19 PM CDT	Mesoscale Discussion	SPC	Culberson, Loving, Reeves	56 min
Jun 2, 6:55 PM CDT	Mesoscale Discussion	SPC	Carson, Dallam, Deaf Smith, Hansford, Hartley, Hutchinson and 5 more	65 min

Nearby

Mesoscale Discussions in Texas, 2019 Every mesoscale discussion in 2019

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.