Alert archive / Texas / Mesoscale Discussions in 2012
Mesoscale Discussion 1543
The Storm Prediction Center issued this mesoscale discussion at Jul 22, 2012, 2:14 PM MDT for Lea County, New Mexico; 106 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2012, 2:14 PM MDT (20:14 UTC)
- Expired
- Jul 22, 2012, 4:45 PM MDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 107 counties
Lea County, NM, Andrews County, TX, Angelina County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Borden County, TX, Bosque County, TX, Brazos County, TX, Brown County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Callahan County, TX, Chambers County, TX, Cochran County, TX, Coke County, TX, Coleman County, TX, Colorado County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Eastland County, TX, Ector County, TX, Erath County, TX, Falls County, TX, Fayette County, TX, Fisher County, TX, Fort Bend County, TX, Freestone County, TX, Gaines County, TX, Gillespie County, TX, Glasscock County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hamilton County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Houston County, TX, Howard County, TX, Irion County, TX, Johnson County, TX, Jones County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Llano County, TX, Loving County, TX, Madison County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Midland County, TX, Milam County, TX, Mills County, TX, Mitchell County, TX, Montgomery County, TX, Navarro County, TX, Nolan County, TX, Palo Pinto County, TX, Polk County, TX, Reagan County, TX, Robertson County, TX, Runnels County, TX, San Jacinto County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Terry County, TX, Throckmorton County, TX, Tom Green County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Upton County, TX, Walker County, TX, Waller County, TX, Ward County, TX, Washington County, TX, Wharton County, TX, Williamson County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Dyess AFB radar (KDYX), 89 km from the middle of the area, began a volume at 20:14 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 12:00Z, 8.2 hours before the alert went out and 244 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.
- Mixed-layer CAPE
- 905 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1585 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 9:19 PM MDT | Mesoscale Discussion | SPC | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 56 min |
Nearby
Mesoscale Discussions in Texas, 2012Mesoscale Discussions in New Mexico, 2012Every mesoscale discussion in 2012
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.