Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 1146

June 25, 2014Chaves County, Eddy County, Lea County, New Mexico; 8 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2014, 11:28 AM MDT for Chaves County, Eddy County, Lea County, New Mexico; 8 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 25, 2014, 11:28 AM MDT (17:28 UTC)
Expired: Jun 25, 2014, 1:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Chaves County, NM, Eddy County, NM, Lea County, NM, Crane County, TX, Culberson County, TX, Jeff Davis County, TX, Loving County, TX, Pecos County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 167 km from the middle of the area, began a volume at 17:29 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, 5.5 hours before the alert went out and 166 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: 1384 J/kg
Mixed-layer CIN: -199 J/kg
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 24, 7:13 PM MDT	Mesoscale Discussion	SPC	Colfax	92 min
Jun 25, 1:28 PM MDT	Mesoscale Discussion	SPC	Colfax, Harding, Mora, Taos, Union	2 hr
Jun 25, 4:41 PM MDT	Mesoscale Discussion	SPC	Archer, Armstrong, Baylor, Briscoe, Carson, Childress and 22 more	3 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.