Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 197
The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2016, 10:29 AM CST for 12 counties in Texas. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2016, 10:29 AM CST (16:29 UTC)
- Expired
- Mar 9, 2016, 12:00 PM CST
- In force
- 91 min
- Issued by
- the Storm Prediction Center
Counties Aransas County, TX, Brazoria County, TX, Calhoun County, TX, Fort Bend County, TX, Harris County, TX, Jackson County, TX, Matagorda County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 133 km from the middle of the area, began a volume at 16:31 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
Corpus Christi, TX (KCRP), launched 12:00Z, 4.5 hours before the alert went out and 163 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
- 1989 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 8.3
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 8, 6:25 PM CST | Mesoscale Discussion | SPC | Bandera, Brooks, Dimmit, Duval, Edwards, Frio and 13 more | 3 hr |
| Mar 8, 7:03 PM CST | Severe Thunderstorm Watch | SPC | Aransas, Atascosa, Bandera, Bastrop, Bee, Bexar and 46 more | 9 hr |
| Mar 8, 7:07 PM CST | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 37 more | 113 min |
| Mar 8, 9:26 PM CST | Mesoscale Discussion | SPC | Aransas, Atascosa, Bandera, Bastrop, Bee, Bell and 44 more | 2 hr |
| Mar 8, 11:54 PM CST | Mesoscale Discussion | SPC | Aransas, Atascosa, Austin, Bastrop, Bee, Bell and 63 more | 2 hr |
| Mar 9, 3:59 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazos, Burleson, Cherokee and 23 more | 3 hr |
| Mar 9, 7:29 AM CST | Mesoscale Discussion | SPC | Angelina, Aransas, Austin, Bee, Brazoria, Brooks and 47 more | 2 hr |
| Mar 9, 7:58 AM CST | Severe Thunderstorm Watch | SPC | Aransas, Bee, Brazoria, Calhoun, Fort Bend, Goliad and 8 more | 4 hr |
| Mar 9, 10:07 AM CST | Mesoscale Discussion | SPC | Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 2 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 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.