Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 604
The Storm Prediction Center issued this mesoscale discussion at Apr 9, 2008, 5:12 PM CDT for 57 counties in Texas. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Apr 9, 2008, 5:12 PM CDT (22:12 UTC)
- Expired
- Apr 9, 2008, 6:15 PM CDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
All 57 counties
Archer County, TX, Baylor County, TX, Bell County, TX, Borden County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Clay County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crockett County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Glasscock County, TX, Hamilton County, TX, Haskell County, TX, Hood County, TX, Howard County, TX, Irion County, TX, Jack County, TX, Johnson County, TX, Jones County, TX, Kent County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Wise County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 85 km from the middle of the area, began a volume at 22:16 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
Midland Regional, TX (KMAF), launched 12:00Z, 10.2 hours before the alert went out and 204 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
- 23 J/kg
- Mixed-layer CIN
- -289 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 580 m²/s²
- 0-3 km storm-relative helicity
- 675 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.2
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 |
|---|---|---|---|---|
| Apr 8, 7:33 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Franklin, Gregg, Harrison and 6 more | 117 min |
| Apr 8, 8:06 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Burnet, Coryell, Ellis, Falls and 16 more | 114 min |
| Apr 8, 8:48 PM CDT | Tornado Watch | SPC | Bell, Burnet, Coryell, Falls, Gillespie, Kimble and 11 more | 2 hr |
| Apr 8, 10:36 PM CDT | Mesoscale Discussion | SPC | Bosque, Bowie, Brown, Camp, Cass, Collin and 34 more | 84 min |
| Apr 8, 11:51 PM CDT | Severe Thunderstorm Watch | SPC | Bosque, Bowie, Camp, Cass, Collin, Comanche and 39 more | 5 hr |
| Apr 9, 3:29 AM CDT | Mesoscale Discussion | SPC | Bosque, Bowie, Camp, Cass, Collin, Comanche and 39 more | 61 min |
| Apr 9, 6:00 AM CDT | Mesoscale Discussion | SPC | Armstrong, Bailey, Briscoe, Castro, Childress, Cochran and 22 more | 60 min |
| Apr 9, 6:27 AM CDT | Severe Thunderstorm Watch | SPC | Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 36 more | 8 hr |
| Apr 9, 9:06 AM CDT | Mesoscale Discussion | SPC | Andrews, Archer, Armstrong, Bailey, Baylor, Borden and 64 more | 54 min |
| Apr 9, 9:35 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Fisher, Foard, Hardeman and 14 more | 6 hr |
| Apr 9, 12:24 PM CDT | Mesoscale Discussion | SPC | Archer, Armstrong, Baylor, Briscoe, Carson, Childress and 37 more | 66 min |
| Apr 9, 12:46 PM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 41 more | 59 min |
| Apr 9, 1:20 PM CDT | Tornado Watch | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 40 more | 7 hr |
| Apr 9, 3:33 PM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Delta, Denton, Ellis and 16 more | 27 min |
| Apr 9, 3:48 PM CDT | Tornado Watch | SPC | Anderson, Collin, Cooke, Dallas, Delta, Denton and 22 more | 7 hr |
| Apr 9, 4:01 PM CDT | Mesoscale Discussion | SPC | Cass, Harrison, Marion | 59 min |
| Apr 9, 6:12 PM CDT | Mesoscale Discussion | SPC | Briscoe, Childress, Cottle, Crosby, Dickens, Floyd and 13 more | 63 min |
| Apr 9, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Childress, Clay, Cottle, Dickens and 8 more | 8 hr |
| Apr 9, 6:59 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 34 more | 61 min |
Nearby
Mesoscale Discussions in Texas, 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.