Alert archive / Texas / Mesoscale Discussions in 2017
Mesoscale Discussion 364
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2017, 11:58 PM CDT for 35 counties in Texas. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2017, 11:58 PM CDT (04:58 UTC)
- Expired
- Mar 29, 2017, 1:30 AM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 35 counties
Anderson County, TX, Bastrop County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Houston County, TX, Kendall County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, McLennan County, TX, Medina County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Robertson County, TX, Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 35 km from the middle of the area, began a volume at 04:59 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, 5.0 hours before the alert went out and 207 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
- 822 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1580 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 14.5
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, 9:07 PM CDT | Mesoscale Discussion | SPC | Bandera, Bexar, Blanco, Brown, Burnet, Callahan and 37 more | 23 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 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.