Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 376
The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2007, 9:31 AM CDT for 61 counties in Texas. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2007, 9:31 AM CDT (14:31 UTC)
- Expired
- Mar 30, 2007, 10:30 AM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 61 counties
Bandera County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Collin County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crockett County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Irion County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Real County, TX, Rockwall County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Tarrant County, TX, Tom Green County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Wise County, TX, Young County, TX
The radar
The San Angelo radar (KSJT), 94 km from the middle of the area, began a volume at 14:34 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
Del Rio, TX (KDRT), launched 12:00Z, 2.5 hours before the alert went out and 233 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
- 1603 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 7.7
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 29, 7:32 PM CDT | Mesoscale Discussion | SPC | Anderson, Camp, Cherokee, Franklin, Freestone, Gregg and 9 more | 88 min |
| Mar 29, 10:01 PM CDT | Mesoscale Discussion | SPC | Anderson, Collin, Cooke, Dallas, Delta, Denton and 23 more | 119 min |
| Mar 30, 4:44 AM CDT | Mesoscale Discussion | SPC | Andrews, Bandera, Crane, Crockett, Dimmit, Ector and 20 more | 2 hr |
| Mar 30, 6:11 AM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Brown, Callahan, Coke, Coleman and 40 more | 6 hr |
| Mar 30, 9:51 AM CDT | Tornado Watch | SPC | Archer, Bell, Blanco, Bosque, Brown, Burnet and 48 more | 8 hr |
| Mar 30, 11:47 AM CDT | Tornado Watch | SPC | Coke, Crockett, Edwards, Fisher, Irion, Jones and 12 more | 6 hr |
| Mar 30, 12:00 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coleman, Comanche, Concho, Eastland and 20 more | 2 hr |
| Mar 30, 2:58 PM CDT | Mesoscale Discussion | SPC | Coryell, McLennan | 92 min |
| Mar 30, 3:31 PM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Clay, Coleman, Collin, Comanche and 34 more | 89 min |
| Mar 30, 4:51 PM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Bell, Blanco, Bosque, Brown and 67 more | 54 min |
| Mar 30, 5:25 PM CDT | Tornado Watch | SPC | Anderson, Bandera, Bell, Bexar, Blanco, Bosque and 65 more | 8 hr |
Nearby
Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
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.