Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1302

June 11, 20054 counties in Kansas; 15 counties in Oklahoma; 20 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2005, 6:52 PM CDT for 4 counties in Kansas; 15 counties in Oklahoma; 20 counties in Texas. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Jun 11, 2005, 6:52 PM CDT (23:52 UTC)
Expired: Jun 11, 2005, 8:45 PM CDT
In force: 113 min
Issued by: the Storm Prediction Center

All 39 counties

Barber County, KS, Cowley County, KS, Harper County, KS, Sumner County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Lubbock County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 105 km from the middle of the area, began a volume at 23:55 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.9 hours before the alert went out and 105 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: 960 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

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
Jun 10, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more	3 hr
Jun 10, 10:48 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Bourbon, Butler, Chautauqua and 17 more	87 min
Jun 11, 1:20 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chautauqua, Cherokee and 17 more	25 min
Jun 11, 5:54 PM CDT	Mesoscale Discussion	SPC	Barber, Chautauqua, Cowley, Elk, Harper, Sumner	2 hr
Jun 10, 7:17 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 10 more	88 min
Jun 11, 3:00 PM CDT	Tornado Watch	SPC	Cimarron	6 hr
Jun 11, 4:55 PM CDT	Tornado Watch	SPC	Beaver, Beckham, Ellis, Greer, Harmon, Harper and 3 more	6 hr
Jun 11, 5:28 PM CDT	Mesoscale Discussion	SPC	Crane, Pecos, Terrell, Upton	2 hr

Nearby

Mesoscale Discussions in Texas, 2005 Mesoscale Discussions in Oklahoma, 2005 Mesoscale Discussions in Kansas, 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.