Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 2177
The Storm Prediction Center issued this mesoscale discussion at Nov 6, 2006, 2:41 AM CST for 42 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 6, 2006, 2:41 AM CST (08:41 UTC)
- Expired
- Nov 6, 2006, 4:45 AM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Aransas County, TX, Atascosa County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Blanco County, TX, Brazoria County, TX, Caldwell County, TX, Calhoun County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Fayette County, TX, Fort Bend County, TX, Frio County, TX, Gillespie County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Jackson County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, La Salle County, TX, Lavaca County, TX, Lee County, TX, Live Oak County, TX, Matagorda County, TX, Maverick County, TX, McMullen County, TX, Medina County, TX, Refugio County, TX, Travis County, TX, Uvalde County, TX, Victoria County, TX, Wharton County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 55 km from the middle of the area, began a volume at 08:41 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 00:00Z, 8.7 hours before the alert went out and 179 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 133 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 |
|---|---|---|---|---|
| Nov 6, 1:56 PM CST | Mesoscale Discussion | SPC | Austin, Bastrop, Caldwell, Colorado, DeWitt, Fayette and 8 more | 64 min |
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.