Alert archive / Texas / Mesoscale Discussions in 2013

Mesoscale Discussion 785

May 23, 2013Eddy County, Lea County, New Mexico; 14 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 23, 2013, 2:46 PM MDT for Eddy County, Lea County, New Mexico; 14 counties in Texas. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: May 23, 2013, 2:46 PM MDT (20:46 UTC)
Expired: May 23, 2013, 3:45 PM MDT
In force: 59 min
Issued by: the Storm Prediction Center

Counties Eddy County, NM, Lea County, NM, Brewster County, TX, Crane County, TX, Culberson County, TX, Ector County, TX, Jeff Davis County, TX, Loving County, TX, Midland County, TX, Pecos County, TX, Presidio County, TX, Reeves County, TX, Terrell County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 128 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 128 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: 1598 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1591 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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
May 23, 1:03 PM MDT	Severe Thunderstorm Watch	SPC	Eddy, Lea	8 hr
May 23, 7:52 AM MDT	Mesoscale Discussion	SPC	Collin, Cooke, Denton, Fannin, Grayson, Montague	53 min
May 23, 11:22 AM MDT	Mesoscale Discussion	SPC	Brewster, Crane, Jeff Davis, Loving, Pecos, Presidio and 4 more	2 hr
May 23, 12:04 PM MDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Cottle, Crosby and 17 more	116 min
May 23, 12:38 PM MDT	Tornado Watch	SPC	Andrews, Armstrong, Bailey, Baylor, Borden, Briscoe and 54 more	8 hr
May 23, 2:32 PM MDT	Mesoscale Discussion	SPC	Castro, Cottle, Crosby, Dickens, Fisher, Floyd and 10 more	88 min
May 23, 5:10 PM MDT	Mesoscale Discussion	SPC	Armstrong, Borden, Briscoe, Callahan, Carson, Castro and 29 more	95 min

Nearby

Mesoscale Discussions in Texas, 2013 Mesoscale Discussions in New Mexico, 2013 Every mesoscale discussion in 2013

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.