Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1669

July 6, 200519 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2005, 4:44 AM CDT for 19 counties in Texas. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued: Jul 6, 2005, 4:44 AM CDT (09:44 UTC)
Expired: Jul 6, 2005, 5:45 AM CDT
In force: 61 min
Issued by: the Storm Prediction Center

Counties Briscoe County, TX, Childress County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Hockley County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 53 km from the middle of the area, began a volume at 09:44 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 00:00Z, 9.7 hours before the alert went out and 220 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: 909 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 2514 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 5, 9:57 PM CDT	Mesoscale Discussion	SPC	Carson, Dallam, Deaf Smith, Gray, Hansford, Hartley and 8 more	93 min
Jul 6, 2:15 AM CDT	Severe Thunderstorm Watch	SPC	Briscoe, Childress, Cottle, Crosby, Dickens, Floyd and 12 more	4 hr
Jul 6, 2:16 AM CDT	Mesoscale Discussion	SPC	Borden, Cottle, Crosby, Dawson, Dickens, Fisher and 16 more	29 min
Jul 6, 1:23 PM CDT	Mesoscale Discussion	SPC	Anderson, Angelina, Austin, Bastrop, Bexar, Blanco and 52 more	2 hr
Jul 6, 2:05 PM CDT	Severe Thunderstorm Watch	SPC	Dallam, Deaf Smith, Hartley, Oldham, Parmer	8 hr
Jul 6, 4:51 PM CDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Borden, Briscoe, Carson, Castro and 28 more	84 min

Nearby

Mesoscale Discussions in Texas, 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.