Alert archive / Texas / Mesoscale Discussions in 2017
Mesoscale Discussion 362
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2017, 9:07 PM CDT for 43 counties in Texas. It was in force for 23 min.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2017, 9:07 PM CDT (02:07 UTC)
- Expired
- Mar 28, 2017, 9:30 PM CDT
- In force
- 23 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 43 counties
Bandera County, TX, Bexar County, TX, Blanco County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hood County, TX, Jones County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Palo Pinto County, TX, Parker County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Uvalde County, TX, Young County, TX
The radar
The San Angelo radar (KSJT), 105 km from the middle of the area, began a volume at 02:07 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Del Rio, TX (KDLF), launched 00:00Z, 2.1 hours before the alert went out and 225 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
- 2145 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1440 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 16.9
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 28, 7:45 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Crosby, Deaf Smith and 9 more | 60 min |
| Mar 28, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bell, Bexar, Blanco, Bosque and 78 more | 8 hr |
| Mar 28, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Wichita, Wilbarger | 7 hr |
| Mar 28, 10:25 PM CDT | Mesoscale Discussion | SPC | Archer, Clay, Cooke, Montague, Wichita | 65 min |
| Mar 28, 11:58 PM CDT | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Bexar, Blanco, Bosque and 29 more | 92 min |
| Mar 29, 2:54 AM CDT | Mesoscale Discussion | SPC | Collin, Delta, Fannin, Franklin, Grayson, Hopkins and 7 more | 96 min |
| Mar 29, 8:23 AM CDT | Mesoscale Discussion | SPC | Brazoria, Calhoun, Chambers, Fort Bend, Galveston, Hardin and 12 more | 67 min |
| Mar 29, 1:31 PM CDT | Mesoscale Discussion | SPC | Brazoria, Chambers, Galveston, Hardin, Harris, Jasper and 7 more | 2 hr |
| Mar 29, 2:11 PM CDT | Tornado Watch | SPC | Angelina, Chambers, Galveston, Hardin, Jasper, Jefferson and 6 more | 7 hr |
| Mar 29, 4:17 PM CDT | Tornado Watch | SPC | Bowie, Cass, Morris | 8 hr |
| Mar 29, 5:50 PM CDT | Mesoscale Discussion | SPC | Jasper, Newton, Orange | 115 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.