Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 446
The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2006, 7:07 PM CDT for 44 counties in Texas. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2006, 7:07 PM CDT (00:07 UTC)
- Expired
- Apr 6, 2006, 8:30 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 44 counties
Anderson County, TX, Bell County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Collin County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Somervell County, TX, Tarrant County, TX, Titus County, TX, Van Zandt County, TX, Williamson County, TX, Wood County, TX
The radar
The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 00:07 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 nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 0.1 hours before the alert went out and 150 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
- 2082 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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 |
|---|---|---|---|---|
| Apr 6, 9:27 PM CDT | Mesoscale Discussion | SPC | Anderson, Bell, Brazos, Burleson, Camp, Cherokee and 34 more | 63 min |
| Apr 7, 4:53 PM CDT | Mesoscale Discussion | SPC | Angelina, Cherokee, Gregg, Harrison, Houston, Jasper and 13 more | 67 min |
| Apr 7, 5:37 PM CDT | Tornado Watch | SPC | Angelina, Hardin, Harrison, Jasper, Marion, Nacogdoches and 6 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2006Every mesoscale discussion in 2006
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.