Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 1862
The Storm Prediction Center issued this mesoscale discussion at Dec 3, 2016, 1:41 AM CST for 51 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 3, 2016, 1:41 AM CST (07:41 UTC)
- Expired
- Dec 3, 2016, 5:45 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 51 counties
Aransas County, TX, Atascosa County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Blanco County, TX, Brazoria County, TX, Caldwell County, TX, Calhoun County, TX, Chambers County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Fayette County, TX, Fort Bend County, TX, Frio County, TX, Galveston County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Harris County, TX, Hays County, TX, Jackson County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, La Salle County, TX, Lavaca County, TX, Lee County, TX, Liberty County, TX, Live Oak County, TX, Matagorda County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Montgomery County, TX, Real County, TX, Refugio County, TX, San Patricio County, TX, Travis County, TX, Uvalde County, TX, Victoria 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), 91 km from the middle of the area, began a volume at 07:42 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
Del Rio, TX (KDLF), launched 00:00Z, 7.7 hours before the alert went out and 258 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
- 6 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 535 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Dec 3, 2:23 AM CST | Mesoscale Discussion | SPC | Galveston | 3 hr |
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.