Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1095

May 31, 200518 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 31, 2005, 9:15 PM CDT for 18 counties in Texas. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: May 31, 2005, 9:15 PM CDT (02:15 UTC)
Expired: May 31, 2005, 10:45 PM CDT
In force: 90 min
Issued by: the Storm Prediction Center

Counties Bosque County, TX, Comanche County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Palo Pinto County, TX, Parker County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 64 km from the middle of the area, began a volume at 02:16 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.3 hours before the alert went out and 66 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: 1091 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1321 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.8

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 31, 7:05 PM CDT	Tornado Watch	SPC	Borden, Callahan, Coleman, Dawson, Fisher, Garza and 13 more	7 hr
May 31, 9:05 PM CDT	Tornado Watch	SPC	Brown, Coke, Coleman, Concho, McCulloch, Mason and 5 more	5 hr
May 31, 9:48 PM CDT	Mesoscale Discussion	SPC	Baylor, Clay, Foard, Knox, Wichita, Wilbarger	57 min
May 31, 9:55 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Bosque, Clay, Comanche, Eastland, Erath and 10 more	7 hr
May 31, 10:46 PM CDT	Mesoscale Discussion	SPC	Borden, Brown, Callahan, Coke, Coleman, Concho and 25 more	119 min
May 31, 11:50 PM CDT	Mesoscale Discussion	SPC	Bosque, Comanche, Eastland, Erath, Hamilton, Hood and 7 more	85 min
Jun 1, 12:40 AM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bee, Bexar, Blanco, Caldwell and 22 more	6 hr
Jun 1, 1:10 AM CDT	Severe Thunderstorm Watch	SPC	Brown, Comanche, Concho, Irion, McCulloch, Mason and 6 more	3 hr
Jun 1, 3:09 AM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Austin, Bandera, Bastrop, Bee and 64 more	96 min
Jun 1, 5:17 AM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Bandera, Bee, Bexar, Blanco and 45 more	88 min
Jun 1, 6:00 AM CDT	Severe Thunderstorm Watch	SPC	Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 7 more	5 hr
Jun 1, 9:46 AM CDT	Mesoscale Discussion	SPC	Cameron, Hidalgo, Starr, Willacy	59 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.