Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 1041
The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2015, 10:50 PM CDT for 53 counties in Texas. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2015, 10:50 PM CDT (03:50 UTC)
- Expired
- Jun 17, 2015, 12:15 AM CDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 53 counties
Anderson County, TX, Austin County, TX, Bastrop County, TX, Bell County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Chambers County, TX, Colorado County, TX, Coryell County, TX, DeWitt County, TX, Falls County, TX, Fayette County, TX, Fort Bend County, TX, Freestone County, TX, Galveston County, TX, Gonzales County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Henderson County, TX, Houston County, TX, Jackson County, TX, Jasper County, TX, Jefferson County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, Matagorda County, TX, McLennan County, TX, Milam County, TX, Montgomery County, TX, Navarro County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Robertson County, TX, San Jacinto County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Williamson County, TX
The radar
The Houston radar (KHGX), 96 km from the middle of the area, began a volume at 03:53 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.8 hours before the alert went out and 240 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
- 1596 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 11:41 PM CDT | Tornado Watch | SPC | Austin, Brazoria, Brazos, Burleson, Colorado, Fayette and 15 more | 7 hr |
| Jun 17, 3:01 AM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Brazos, Burleson, Colorado, Fort Bend and 11 more | 119 min |
| Jun 17, 5:31 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bowie, Brazoria, Brazos and 49 more | 89 min |
| Jun 17, 7:47 AM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazoria, Brazos, Burleson and 50 more | 2 hr |
| Jun 17, 12:08 PM CDT | Mesoscale Discussion | SPC | Bowie, Cass, Marion | 2 hr |
| Jun 17, 5:14 PM CDT | Mesoscale Discussion | SPC | Delta, Franklin, Hopkins, Hunt, Lamar, Rains and 4 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2015Every mesoscale discussion in 2015
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.