Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 422
The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2016, 11:39 PM CDT for Bryan County, Love County, Oklahoma; 31 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2016, 11:39 PM CDT (04:39 UTC)
- Expired
- Apr 20, 2016, 1:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Bryan County, OK, Love County, OK, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Hood County, TX, Howard County, TX, Jack County, TX, Johnson County, TX, Martin County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Tarrant County, TX, Taylor County, TX, Wise County, TX
The radar
The Dyess AFB radar (KDYX), 43 km from the middle of the area, began a volume at 04:39 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 00:00Z, 4.7 hours before the alert went out and 228 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
- 1336 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 19, 8:45 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Bell, Blanco, Borden, Bosque and 67 more | 3 hr |
| Apr 19, 9:59 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coleman, Comanche, Cooke, Eastland and 16 more | 5 hr |
| Apr 20, 1:37 AM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coleman, Collin, Comanche, Dallas and 14 more | 53 min |
| Apr 20, 2:41 PM CDT | Mesoscale Discussion | SPC | Concho, Crockett, Irion, Kimble, McCulloch, Mason and 6 more | 2 hr |
| Apr 20, 4:54 PM CDT | Mesoscale Discussion | SPC | Armstrong, Borden, Briscoe, Carson, Childress, Collingsworth and 27 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2016Mesoscale Discussions in Oklahoma, 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.