Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 882

June 7, 20145 counties in New Mexico; 15 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2014, 2:27 PM MDT for 5 counties in New Mexico; 15 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 7, 2014, 2:27 PM MDT (20:27 UTC)
Expired: Jun 7, 2014, 4:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 80%

Counties Curry County, NM, De Baca County, NM, Guadalupe County, NM, Quay County, NM, Roosevelt County, NM, Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Dickens County, TX, Floyd County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Motley County, TX, Parmer County, TX, Swisher County, TX

The radar

The Cannon AFB radar (KFDX), 55 km from the middle of the area, began a volume at 20:28 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, 8.5 hours before the alert went out and 162 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: 118 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 1654 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: -110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 4:15 PM MDT	Tornado Watch	SPC	Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 8 more	8 hr
Jun 7, 4:51 PM MDT	Mesoscale Discussion	SPC	Lea	114 min
Jun 7, 5:16 PM MDT	Severe Thunderstorm Watch	SPC	Lea	9 hr
Jun 6, 6:09 PM MDT	Tornado Watch	SPC	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more	6 hr
Jun 7, 12:06 PM MDT	Mesoscale Discussion	SPC	Clay, Montague, Wichita, Wilbarger	2 hr
Jun 7, 4:44 PM MDT	Tornado Watch	SPC	Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 28 more	7 hr

Nearby

Mesoscale Discussions in Texas, 2014 Mesoscale Discussions in New Mexico, 2014 Every mesoscale discussion in 2014

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.