Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 244
The Storm Prediction Center issued this mesoscale discussion at Feb 16, 2008, 5:57 PM CST for Caddo Parish, Louisiana; 35 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 16, 2008, 5:57 PM CST (23:57 UTC)
- Expired
- Feb 16, 2008, 8:00 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Caddo Parish, LA, Angelina County, TX, Austin County, TX, Brazoria County, TX, Chambers County, TX, Cherokee County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Gregg County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Harrison County, TX, Houston County, TX, Jackson County, TX, Liberty County, TX, Madison County, TX, Marion County, TX, Matagorda County, TX, Montgomery County, TX, Nacogdoches County, TX, Panola County, TX, Polk County, TX, Rusk County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 110 km from the middle of the area, began a volume at 23:58 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
Fort Worth, TX (KFWD), launched 12:00Z, 12.0 hours before the alert went out and 328 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
- 362 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 591 m²/s²
- 0-3 km storm-relative helicity
- 667 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
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 16, 1:09 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Beauregard, Calcasieu, Cameron, De Soto and 9 more | 66 min |
| Feb 16, 6:49 AM CST | Mesoscale Discussion | SPC | Avoyelles, Concordia, East Baton Rouge, East Feliciana, Livingston, Pointe Coupee and 7 more | 56 min |
| Feb 15, 7:00 PM CST | Mesoscale Discussion | SPC | Atascosa, Bexar, Dimmit, Frio, Guadalupe, Karnes and 3 more | 90 min |
| Feb 15, 10:38 PM CST | Mesoscale Discussion | SPC | Austin, Grimes, Hardin, Harris, Jasper, Liberty and 7 more | 97 min |
| Feb 15, 11:43 PM CST | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 24 more | 5 hr |
| Feb 16, 2:53 AM CST | Mesoscale Discussion | SPC | Borden, Coke, Concho, Edwards, Fisher, Glasscock and 16 more | 67 min |
| Feb 16, 6:36 AM CST | Mesoscale Discussion | SPC | Armstrong, Carson, Collingsworth, Donley, Gray, Hansford and 12 more | 4 hr |
| Feb 16, 10:00 AM CST | Mesoscale Discussion | SPC | Archer, Bandera, Baylor, Brown, Callahan, Clay and 39 more | 90 min |
| Feb 16, 12:01 PM CST | Mesoscale Discussion | SPC | Bastrop, Bell, Blanco, Bosque, Brown, Burnet and 30 more | 89 min |
| Feb 16, 12:35 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Bell, Blanco, Bosque, Brown, Burnet and 50 more | 6 hr |
| Feb 16, 2:00 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bee, Brazoria, Brazos and 49 more | 90 min |
| Feb 16, 2:26 PM CST | Tornado Watch | SPC | Anderson, Angelina, Austin, Bastrop, Brazoria, Brazos and 54 more | 6 hr |
| Feb 16, 3:31 PM CST | Mesoscale Discussion | SPC | Bandera, Bell, Blanco, Bosque, Brown, Burnet and 41 more | 59 min |
Nearby
Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Louisiana, 2008Every mesoscale discussion in 2008
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.