Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 371
The Storm Prediction Center issued this mesoscale discussion at Apr 11, 2016, 8:38 PM CDT for Miller County, Arkansas; 28 counties in Texas. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2016, 8:38 PM CDT (01:38 UTC)
- Expired
- Apr 11, 2016, 9:45 PM CDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 29 counties
Miller County, AR, Anderson County, TX, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Kaufman County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Rains County, TX, Red River County, TX, Rusk County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 119 km from the middle of the area, began a volume at 01:37 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
Shreveport, LA (KBAD), launched 00:00Z, 1.6 hours before the alert went out and 128 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
- 1952 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 9.4
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 |
|---|---|---|---|---|
| Apr 12, 3:54 PM CDT | Mesoscale Discussion | SPC | Bandera, Edwards, Gillespie, Kerr, Kimble, Kinney and 9 more | 2 hr |
| Apr 12, 5:13 PM CDT | Mesoscale Discussion | SPC | Fort Bend, Harris, Liberty, Waller | 3 hr |
Nearby
Mesoscale Discussions in Texas, 2016Mesoscale Discussions in Arkansas, 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.