Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1720

July 10, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2005, 2:57 PM MDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 10, 2005, 2:57 PM MDT (20:57 UTC)
Expired: Jul 10, 2005, 5:00 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 37 counties

Baca County, CO, Chaves County, NM, Curry County, NM, De Baca County, NM, Eddy County, NM, Guadalupe County, NM, Harding County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Union County, NM, Cimarron County, OK, Andrews County, TX, Bailey County, TX, Cochran County, TX, Crane County, TX, Culberson County, TX, Dallam County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Parmer County, TX, Pecos County, TX, Reagan County, TX, Reeves County, TX, Sterling County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Cannon AFB radar (KFDX), 61 km from the middle of the area, began a volume at 20:59 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, 9.0 hours before the alert went out and 267 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: 223 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1534 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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
Jul 10, 5:24 PM MDT	Mesoscale Discussion	SPC	Logan, Phillips, Sedgwick	2 hr

Nearby

Mesoscale Discussions in Texas, 2005 Mesoscale Discussions in New Mexico, 2005 Mesoscale Discussions in Colorado, 2005 Every mesoscale discussion in 2005

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.