Alert archive / Texas / Mesoscale Discussions in 2006
Mesoscale Discussion 93
The Storm Prediction Center issued this mesoscale discussion at Feb 1, 2006, 12:28 PM CST for 6 parishes in Louisiana; 58 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 1, 2006, 12:28 PM CST (18:28 UTC)
- Expired
- Feb 1, 2006, 2:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 64 counties
Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Natchitoches Parish, LA, Sabine Parish, LA, Vernon Parish, LA, Angelina County, TX, Aransas County, TX, Austin County, TX, Bastrop County, TX, Bee County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Calhoun County, TX, Chambers County, TX, Cherokee County, TX, Colorado County, TX, DeWitt County, TX, Falls County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Goliad County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hardin County, TX, Harris County, TX, Houston County, TX, Jackson County, TX, Jasper County, TX, Jefferson County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Live Oak County, TX, Madison County, TX, Matagorda County, TX, Milam County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Nueces County, TX, Orange County, TX, Polk County, TX, Refugio County, TX, Robertson County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, San Patricio County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Wilson County, TX
The radar
The Houston radar (KHGX), 111 km from the middle of the area, began a volume at 18:29 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
Corpus Christi, TX (KCRP), launched 12:00Z, 6.5 hours before the alert went out and 241 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
- 48 J/kg
- Mixed-layer CIN
- -475 J/kg
- Mixed-layer LCL
- 681 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 243 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 |
|---|---|---|---|---|
| Feb 1, 1:51 PM CST | Tornado Watch | SPC | Austin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 19 more | 7 hr |
| Feb 1, 2:45 PM CST | Mesoscale Discussion | SPC | Angelina, Bastrop, Brazos, Burleson, Caldwell, Cherokee and 18 more | 90 min |
Nearby
Mesoscale Discussions in Texas, 2006Mesoscale Discussions in Louisiana, 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.