Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 231
The Storm Prediction Center issued this mesoscale discussion at Mar 17, 2016, 6:22 PM CDT for 49 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2016, 6:22 PM CDT (23:22 UTC)
- Expired
- Mar 17, 2016, 8:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 49 counties
Atascosa County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Fayette County, TX, Fort Bend County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Jackson County, TX, Karnes County, TX, Kendall County, TX, Kinney County, TX, La Salle County, TX, Lavaca County, TX, Lee County, TX, Liberty County, TX, Madison County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Montgomery County, TX, Polk County, TX, Real County, TX, San Jacinto County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Uvalde County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 50 km from the middle of the area, began a volume at 23:24 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 12:00Z, 11.4 hours before the alert went out and 349 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 2:13 AM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Denton, Grayson, Jack and 6 more | 3 hr |
| Mar 17, 5:57 AM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Delta, Denton, Ellis and 13 more | 3 hr |
| Mar 17, 9:37 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Collin, Cooke, Dallas and 27 more | 83 min |
| Mar 17, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | Angelina, Cherokee, Jasper, Nacogdoches, Newton, Panola and 5 more | 9 hr |
| Mar 17, 3:48 PM CDT | Mesoscale Discussion | SPC | Sabine | 87 min |
| Mar 17, 6:22 PM CDT | Mesoscale Discussion | SPC | Harrison, Newton, Panola, Sabine, San Augustine, Shelby | 53 min |
Nearby
Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016
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.