Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 837

May 10, 200612 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 10, 2006, 6:06 PM CDT for 12 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: May 10, 2006, 6:06 PM CDT (23:06 UTC)
Expired: May 10, 2006, 8:00 PM CDT
In force: 114 min
Issued by: the Storm Prediction Center

Counties Aransas County, TX, Brooks County, TX, Hidalgo County, TX, Jim Hogg County, TX, Jim Wells County, TX, Kenedy County, TX, Kleberg County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Starr County, TX, Willacy County, TX

The radar

The Corpus Christi radar (KCRP), 45 km from the middle of the area, began a volume at 23:07 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

Corpus Christi, TX (KCRP), launched 12:00Z, 11.1 hours before the alert went out and 54 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: 3220 J/kg
Mixed-layer CIN: -404 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 41 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
May 9, 8:06 PM CDT	Mesoscale Discussion	SPC	Childress, Collingsworth, Donley, Gray, Hall, Hardeman and 2 more	84 min
May 9, 9:18 PM CDT	Tornado Watch	SPC	Bowie, Red River	6 hr
May 9, 9:38 PM CDT	Mesoscale Discussion	SPC	Archer, Clay, Cooke, Fannin, Grayson, Hardeman and 5 more	97 min
May 9, 10:46 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Clay, Collin, Cooke, Delta, Fannin and 6 more	7 hr
May 10, 4:01 AM CDT	Mesoscale Discussion	SPC	Bowie, Collin, Cooke, Delta, Fannin, Franklin and 8 more	89 min
May 10, 4:24 AM CDT	Severe Thunderstorm Watch	SPC	Bowie, Cass, Franklin, Morris, Red River, Titus	8 hr
May 10, 6:27 AM CDT	Mesoscale Discussion	SPC	Bowie, Red River	93 min
May 10, 12:50 PM CDT	Mesoscale Discussion	SPC	Angelina, Nacogdoches, Panola, Sabine, San Augustine, Shelby and 1 more	115 min
May 10, 1:13 PM CDT	Tornado Watch	SPC	Angelina, Cherokee, Hardin, Jasper, Nacogdoches, Newton and 6 more	8 hr
May 10, 2:34 PM CDT	Mesoscale Discussion	SPC	Aransas, Austin, Bee, Brazoria, Brooks, Calhoun and 26 more	116 min
May 10, 2:59 PM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 11 more	5 hr
May 10, 3:20 PM CDT	Severe Thunderstorm Watch	SPC	Aransas, Bee, Brooks, Calhoun, Cameron, DeWitt and 15 more	7 hr
May 10, 5:04 PM CDT	Mesoscale Discussion	SPC	Brazoria, Calhoun, Chambers, Colorado, Fort Bend, Galveston and 5 more	116 min

Nearby

Mesoscale Discussions in Texas, 2006 Every mesoscale discussion in 2006

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.