Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 1046
The Storm Prediction Center issued this mesoscale discussion at Jun 17, 2015, 7:47 AM CDT for 56 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2015, 7:47 AM CDT (12:47 UTC)
- Expired
- Jun 17, 2015, 10:15 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 56 counties
Anderson County, TX, Angelina County, TX, Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Camp County, TX, Chambers County, TX, Cherokee County, TX, Colorado County, TX, Dallas County, TX, Ellis County, TX, Falls County, TX, Fayette County, TX, Fort Bend County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, Milam County, TX, Montgomery County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, Rusk County, TX, San Augustine County, TX, San Jacinto County, TX, Smith County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Wood County, TX
The radar
The Ft Hood radar (KGRK), 164 km from the middle of the area, began a volume at 12:49 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
Shreveport, LA (KBAD), launched 12:00Z, 0.8 hours before the alert went out and 249 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
- 343 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 10:50 PM CDT | Mesoscale Discussion | SPC | Anderson, Austin, Bastrop, Bell, Brazoria, Brazos and 47 more | 85 min |
| 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, 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.