Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1046

May 28, 200517 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 28, 2005, 10:08 PM CDT for 17 counties in Texas. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued: May 28, 2005, 10:08 PM CDT (03:08 UTC)
Expired: May 28, 2005, 11:45 PM CDT
In force: 97 min
Issued by: the Storm Prediction Center

Counties Atascosa County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Coryell County, TX, Frio County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Lampasas County, TX, Llano County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 52 km from the middle of the area, began a volume at 03:12 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.

Severe Thunderstorm Watch 345May 28, 11:40 PM CDT

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.1 hours before the alert went out and 248 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: 1292 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1539 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

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
May 28, 7:05 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Bell, Burnet, Cherokee, Concho, Coryell and 19 more	5 hr
May 28, 8:19 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Dimmit, Frio, Kendall and 7 more	86 min
May 28, 8:25 PM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bexar, Blanco, Comal, Dimmit and 10 more	4 hr
May 28, 11:40 PM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bastrop, Bee, Bexar, Blanco, Caldwell and 15 more	5 hr
May 29, 12:57 AM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Austin, Bastrop, Bee, Bexar and 46 more	93 min
May 29, 1:20 AM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 10 more	4 hr
May 29, 4:12 AM CDT	Mesoscale Discussion	SPC	Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 10 more	2 hr
May 29, 11:47 AM CDT	Mesoscale Discussion	SPC	Aransas, Bee, Brazoria, Calhoun, Colorado, DeWitt and 13 more	58 min
May 29, 12:56 PM CDT	Mesoscale Discussion	SPC	Dallam, Deaf Smith, Hartley, Oldham	2 hr
May 29, 1:42 PM CDT	Mesoscale Discussion	SPC	Aransas, Bee, Brazoria, Calhoun, Colorado, DeWitt and 13 more	93 min
May 29, 2:20 PM CDT	Tornado Watch	SPC	Atascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 41 more	9 hr
May 29, 3:48 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Burnet, Comanche, Coryell, Ellis and 18 more	87 min
May 29, 4:40 PM CDT	Mesoscale Discussion	SPC	Bell, Blanco, Bosque, Burnet, Comanche, Coryell and 20 more	95 min
May 29, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	Angelina, Hardin, Jasper, Nacogdoches, Newton, Polk and 6 more	7 hr
May 29, 5:05 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Bell, Blanco, Burnet, Coryell, Falls and 9 more	6 hr
May 29, 5:30 PM CDT	Severe Thunderstorm Watch	SPC	Brooks, Duval, Hidalgo, Jim Hogg, Jim Wells, Kenedy and 5 more	7 hr
May 29, 6:20 PM CDT	Mesoscale Discussion	SPC	Angelina, Hardin, Jasper, Nacogdoches, Newton, Polk and 6 more	85 min
May 29, 6:42 PM CDT	Mesoscale Discussion	SPC	Atascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 39 more	93 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.