Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 764

May 5, 2006Chaves County, Eddy County, Lea County, New Mexico; 16 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 5, 2006, 11:36 AM MDT for Chaves County, Eddy County, Lea County, New Mexico; 16 counties in Texas. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: May 5, 2006, 11:36 AM MDT (17:36 UTC)
Expired: May 5, 2006, 1:00 PM MDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Chaves County, NM, Eddy County, NM, Lea County, NM, Andrews County, TX, Coke County, TX, Concho County, TX, Crane County, TX, Ector County, TX, Glasscock County, TX, Irion County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Reagan County, TX, Sterling County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 23 km from the middle of the area, began a volume at 17:40 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.

Tornado Watch 293May 5, 12:10 PM MDT

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 5.6 hours before the alert went out and 22 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: 1954 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 626 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 20.2

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 5, 12:08 PM MDT	Tornado Watch	SPC	Chaves, Eddy, Lea	9 hr
May 5, 3:26 PM MDT	Tornado Watch	SPC	Roosevelt	5 hr
May 5, 5:49 PM MDT	Mesoscale Discussion	SPC	Curry, Lea, Roosevelt	86 min
May 4, 6:24 PM MDT	Mesoscale Discussion	SPC	Andrews, Bastrop, Bell, Blanco, Borden, Brown and 49 more	96 min
May 4, 8:12 PM MDT	Mesoscale Discussion	SPC	Andrews, Atascosa, Bandera, Bastrop, Bell, Bexar and 71 more	93 min
May 4, 9:00 PM MDT	Severe Thunderstorm Watch	SPC	Bandera, Bastrop, Bexar, Blanco, Borden, Brown and 45 more	6 hr
May 5, 12:25 AM MDT	Mesoscale Discussion	SPC	Dallas, Denton, Hood, Jack, Johnson, Palo Pinto and 5 more	2 hr
May 5, 2:34 PM MDT	Mesoscale Discussion	SPC	Bandera, Edwards, Kerr, Medina, Real, Terrell and 2 more	116 min
May 5, 2:35 PM MDT	Mesoscale Discussion	SPC	Bandera, Edwards, Kerr, Medina, Real, Terrell and 2 more	115 min
May 5, 4:02 PM MDT	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 20 more	7 hr

Nearby

Mesoscale Discussions in Texas, 2006 Mesoscale Discussions in New Mexico, 2006 Every mesoscale discussion in 2006

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.