Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 443
The Storm Prediction Center issued this mesoscale discussion at Mar 17, 2008, 6:20 PM CDT for 20 counties in Oklahoma; 49 counties in Texas. It was in force for 25 min.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2008, 6:20 PM CDT (23:20 UTC)
- Expired
- Mar 17, 2008, 6:45 PM CDT
- In force
- 25 min
- Issued by
- the Storm Prediction Center
All 69 counties
Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Jackson County, OK, Jefferson County, OK, Kingfisher County, OK, Kiowa County, OK, Logan County, OK, McClain County, OK, Oklahoma County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Bandera County, TX, Baylor County, TX, Brown County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Crockett County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Foard County, TX, Gillespie County, TX, Hardeman County, TX, Haskell County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Knox County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Stephens County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Uvalde County, TX, Val Verde County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 48 km from the middle of the area, began a volume at 23:22 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, 11.3 hours before the alert went out and 218 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
- 185 J/kg
- Mixed-layer CIN
- -428 J/kg
- Mixed-layer LCL
- 651 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 338 m²/s²
- 0-3 km storm-relative helicity
- 576 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 |
|---|---|---|---|---|
| Mar 16, 11:49 PM CDT | Mesoscale Discussion | SPC | Harmon | 56 min |
| Mar 17, 2:53 AM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 17 more | 2 hr |
| Mar 17, 3:25 AM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 34 more | 8 hr |
| Mar 17, 4:01 AM CDT | Mesoscale Discussion | SPC | Beaver, Harper, Texas | 119 min |
| Mar 17, 5:41 AM CDT | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 23 more | 94 min |
| Mar 17, 7:37 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 26 more | 83 min |
| Mar 17, 10:25 AM CDT | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 17 more | 65 min |
| Mar 17, 1:02 PM CDT | Mesoscale Discussion | SPC | Caddo, Comanche, Cotton, Jackson, Jefferson, Kiowa and 3 more | 88 min |
| Mar 17, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Blaine, Caddo, Canadian, Comanche, Cotton, Custer and 9 more | 6 hr |
| Mar 17, 3:53 PM CDT | Mesoscale Discussion | SPC | Canadian, Carter, Cleveland, Comanche, Cotton, Garvin and 11 more | 97 min |
| Mar 17, 4:51 PM CDT | Mesoscale Discussion | SPC | Cleveland, Creek, Kay, Lincoln, Logan, McClain and 12 more | 24 min |
| Mar 17, 5:30 PM CDT | Mesoscale Discussion | SPC | Choctaw, Latimer, McCurtain, Pushmataha | 30 min |
| Mar 17, 5:50 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Choctaw, Haskell, Latimer, LeFlore and 3 more | 5 hr |
| Mar 17, 12:04 AM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 38 more | 9 hr |
| Mar 17, 10:13 AM CDT | Mesoscale Discussion | SPC | Bandera, Bell, Bexar, Blanco, Bosque, Brown and 39 more | 92 min |
| Mar 17, 6:40 PM CDT | Tornado Watch | SPC | Bandera, Blanco, Bosque, Brown, Burnet, Callahan and 54 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Oklahoma, 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.