Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 761

May 5, 200611 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 5, 2006, 1:25 AM CDT for 11 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 5, 2006, 1:25 AM CDT (06:25 UTC)
Expired: May 5, 2006, 3:30 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Dallas County, TX, Denton County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Palo Pinto County, TX, Parker County, TX, Stephens County, TX, Tarrant County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 74 km from the middle of the area, began a volume at 06:24 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

Fort Worth, TX (KFWD), launched 00:00Z, 6.4 hours before the alert went out and 65 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: 1348 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

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 4, 7:24 PM CDT	Mesoscale Discussion	SPC	Andrews, Bastrop, Bell, Blanco, Borden, Brown and 49 more	96 min
May 4, 9:12 PM CDT	Mesoscale Discussion	SPC	Andrews, Atascosa, Bandera, Bastrop, Bell, Bexar and 71 more	93 min
May 4, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	Bandera, Bastrop, Bexar, Blanco, Borden, Brown and 45 more	6 hr
May 5, 12:36 PM CDT	Mesoscale Discussion	SPC	Andrews, Coke, Concho, Crane, Ector, Glasscock and 10 more	84 min
May 5, 1:08 PM CDT	Tornado Watch	SPC	Andrews, Borden, Brown, Coke, Coleman, Concho and 29 more	9 hr
May 5, 3:34 PM CDT	Mesoscale Discussion	SPC	Bandera, Edwards, Kerr, Medina, Real, Terrell and 2 more	116 min
May 5, 3:35 PM CDT	Mesoscale Discussion	SPC	Bandera, Edwards, Kerr, Medina, Real, Terrell and 2 more	115 min
May 5, 4:26 PM CDT	Tornado Watch	SPC	Bailey, Callahan, Cochran, Crosby, Dickens, Fisher and 16 more	5 hr
May 5, 5:02 PM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 20 more	7 hr
May 5, 6:49 PM CDT	Mesoscale Discussion	SPC	Andrews, Archer, Bailey, Baylor, Borden, Brown and 75 more	86 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.