Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 875

May 14, 200617 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 14, 2006, 8:54 PM CDT for 17 counties in Texas. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: May 14, 2006, 8:54 PM CDT (01:54 UTC)
Expired: May 14, 2006, 10:30 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center

Counties Brooks County, TX, Dimmit County, TX, Duval County, TX, Hidalgo County, TX, Jim Hogg County, TX, Jim Wells County, TX, Kenedy County, TX, Kleberg County, TX, La Salle County, TX, Maverick County, TX, McMullen County, TX, Nueces County, TX, San Patricio County, TX, Starr County, TX, Webb County, TX, Willacy County, TX, Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 151 km from the middle of the area, began a volume at 01:58 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 00:00Z, 1.9 hours before the alert went out and 168 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: 3093 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 6.0

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 14, 7:12 PM CDT	Mesoscale Discussion	SPC	Brewster, Culberson, Hudspeth, Jeff Davis, Loving, Pecos and 3 more	93 min
May 14, 7:45 PM CDT	Severe Thunderstorm Watch	SPC	Brewster, Culberson, El Paso, Hudspeth, Jeff Davis, Pecos and 3 more	5 hr
May 14, 9:23 PM CDT	Mesoscale Discussion	SPC	Brewster, Culberson, El Paso, Hudspeth, Jeff Davis, Pecos and 2 more	2 hr

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.