Alert archive / Texas / Mesoscale Discussions / 2009
Mesoscale Discussions in Texas, December 2009
16 mesoscale discussions in December 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in December 2009. Tap one for its archive.
- Mesoscale Discussions
- 16
- Busiest day
- December 24, 20096 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 6:57 PM CST | Mesoscale Discussion | SPC | Culberson, El Paso, Hudspeth | 3 hr |
| Dec 4, 10:20 AM CST | Mesoscale Discussion | SPC | Hardin, Newton, Orange | 6 hr |
| Dec 4, 5:22 PM CST | Mesoscale Discussion | SPC | Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 6 more | 6 hr |
| Dec 8, 9:43 AM CST | Mesoscale Discussion | SPC | Bowie, Cass, Harrison, Marion, Morris | 2 hr |
| Dec 15, 3:22 AM CST | Mesoscale Discussion | SPC | Angelina, Hardin, Jasper, Jefferson, Liberty, Newton and 7 more | 83 min |
| Dec 23, 2:37 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Bowie, Camp, Cass, Chambers and 44 more | 2 hr |
| Dec 23, 12:18 PM CST | Mesoscale Discussion | SPC | Cooke, Fannin, Grayson | 57 min |
| Dec 23, 1:03 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazos, Burleson, Camp and 39 more | 57 min |
| Dec 23, 3:00 PM CST | Mesoscale Discussion | SPC | Bosque, Comanche, Cooke, Dallas, Denton, Erath and 8 more | 60 min |
| Dec 23, 5:21 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Bowie, Camp, Cass, Cherokee and 32 more | 114 min |
| Dec 23, 7:50 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Bell, Bosque, Bowie, Brazos and 51 more | 85 min |
| Dec 23, 11:06 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Atascosa, Austin, Bastrop, Bell and 79 more | 114 min |
| Dec 23, 11:43 PM CST | Mesoscale Discussion | SPC | Archer, Baylor, Childress, Cottle, Dickens, Foard and 9 more | 6 hr |
| Dec 24, 3:30 AM CST | Mesoscale Discussion | SPC | Angelina, Bowie, Brazoria, Camp, Cass, Chambers and 29 more | 2 hr |
| Dec 24, 7:25 AM CST | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Childress, Clay, Collingsworth and 23 more | 6 hr |
| Dec 24, 11:23 AM CST | Mesoscale Discussion | SPC | Collin, Delta, Denton, Fannin, Grayson, Hopkins and 3 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Polk County8
- San Jacinto County8
- San Augustine County7
- Tyler County7
- Morris County7
- Angelina County7
- Trinity County7
- Hardin County6
- Newton County6
- Jasper County6
- Sabine County6
- Bowie County6
- Cass County6
- Harrison County6
- Marion County6
- Camp County6
- Cherokee County6
- Gregg County6
- Hopkins County6
- Houston County6
- Nacogdoches County6
- Rusk County6
- Smith County6
- Upshur County6
- Walker County6
- Orange County5
- Liberty County5
- Anderson County5
- Delta County5
- Franklin County5
- Freestone County5
- Grimes County5
- Henderson County5
- Hunt County5
- Leon County5
- Madison County5
- Panola County5
- Rains County5
- Red River County5
- Rockwall County5
94 more counties
- Shelby County5
- Titus County5
- Van Zandt County5
- Wood County5
- Chambers County4
- Jefferson County4
- Fannin County4
- Kaufman County4
- Lamar County4
- Montgomery County4
- Grayson County3
- Harris County3
- Waller County3
- Cooke County3
- Brazos County3
- Burleson County3
- Falls County3
- Limestone County3
- Milam County3
- Navarro County3
- Robertson County3
- Dallas County3
- Collin County2
- Austin County2
- Lee County2
- Washington County2
- Bosque County2
- Denton County2
- Johnson County2
- Bell County2
- Ellis County2
- Hill County2
- McLennan County2
- Williamson County2
- Brazoria County2
- Fort Bend County2
- Galveston County2
- Archer County2
- Baylor County2
- Childress County2
- Cottle County2
- Dickens County2
- Foard County2
- Hall County2
- Hardeman County2
- Haskell County2
- King County2
- Knox County2
- Motley County2
- Throckmorton County2
- Wichita County2
- Wilbarger County2
- Culberson County1
- El Paso County1
- Hudspeth County1
- Comanche County1
- Erath County1
- Hamilton County1
- Hood County1
- Palo Pinto County1
- Parker County1
- Somervell County1
- Tarrant County1
- Wise County1
- Coryell County1
- Atascosa County1
- Bastrop County1
- Bexar County1
- Caldwell County1
- Colorado County1
- Comal County1
- DeWitt County1
- Fayette County1
- Gonzales County1
- Guadalupe County1
- Hays County1
- Karnes County1
- Lavaca County1
- Travis County1
- Wharton County1
- Wilson County1
- Callahan County1
- Clay County1
- Collingsworth County1
- Fisher County1
- Jack County1
- Jones County1
- Kent County1
- Montague County1
- Shackelford County1
- Stephens County1
- Stonewall County1
- Taylor County1
- Young County1
Nearby
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Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.