Alert archive / Texas / Mesoscale Discussions in 2017
Mesoscale Discussion 56
The Storm Prediction Center issued this mesoscale discussion at Jan 15, 2017, 6:36 PM CST for 29 counties in Texas. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Jan 15, 2017, 6:36 PM CST (00:36 UTC)
- Expired
- Jan 15, 2017, 7:30 PM CST
- In force
- 54 min
- Issued by
- the Storm Prediction Center
All 29 counties
Bandera County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Eastland County, TX, Edwards County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mitchell County, TX, Nolan County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Tom Green County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The San Angelo radar (KSJT), 114 km from the middle of the area, began a volume at 00:37 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
Del Rio, TX (KDLF), launched 00:00Z, 0.6 hours before the alert went out and 113 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
- 540 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 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 |
|---|---|---|---|---|
| Jan 15, 6:00 PM CST | Tornado Watch | SPC | Bandera, Bell, Blanco, Bosque, Burnet, Comal and 31 more | 6 hr |
| Jan 15, 8:10 PM CST | Mesoscale Discussion | SPC | Bandera, Bell, Blanco, Bosque, Burnet, Comal and 26 more | 2 hr |
| Jan 15, 10:58 PM CST | Mesoscale Discussion | SPC | Bandera, Bell, Blanco, Bosque, Burnet, Comal and 26 more | 62 min |
| Jan 16, 5:01 AM CST | Mesoscale Discussion | SPC | Fort Bend, Harris, Montgomery, Waller | 29 min |
| Jan 16, 2:02 PM CST | Mesoscale Discussion | SPC | Harrison, Marion | 118 min |
Nearby
Mesoscale Discussions in Texas, 2017Every mesoscale discussion in 2017
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.