Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 1106

June 1, 20054 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2005, 9:46 AM CDT for 4 counties in Texas. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Jun 1, 2005, 9:46 AM CDT (14:46 UTC)
Expired: Jun 1, 2005, 10:45 AM CDT
In force: 59 min
Issued by: the Storm Prediction Center

Counties Cameron County, TX, Hidalgo County, TX, Starr County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 108 km from the middle of the area, began a volume at 14:49 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 2.8 hours before the alert went out and 110 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: 2271 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

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
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, 9:15 PM CDT	Mesoscale Discussion	SPC	Bosque, Comanche, Dallas, Denton, Eastland, Ellis and 12 more	90 min
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

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.