Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 319
The Storm Prediction Center issued this mesoscale discussion at Mar 21, 2005, 7:43 AM CST for 66 counties in Texas. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Mar 21, 2005, 7:43 AM CST (13:43 UTC)
- Expired
- Mar 21, 2005, 9:15 AM CST
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 66 counties
Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burleson County, TX, Burnet County, TX, Camp County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Gillespie County, TX, Grayson County, TX, Hamilton County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lamar County, TX, Lampasas County, TX, Lee County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Milam County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Titus County, TX, Travis County, TX, Van Zandt County, TX, Williamson County, TX, Wise County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 41 km from the middle of the area, began a volume at 13:43 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 nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 1.7 hours before the alert went out and 329 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
- 512 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 434 m²/s²
- 0-3 km storm-relative helicity
- 584 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 21, 3:39 AM CST | Mesoscale Discussion | SPC | Bosque, Clay, Collin, Comanche, Cooke, Dallas and 26 more | 3 hr |
| Mar 21, 6:05 AM CST | Severe Thunderstorm Watch | SPC | Bastrop, Bell, Blanco, Bosque, Brown, Burnet and 59 more | 6 hr |
| Mar 21, 9:26 AM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Burleson and 57 more | 34 min |
| Mar 21, 10:57 AM CST | Mesoscale Discussion | SPC | Atascosa, Austin, Bastrop, Bexar, Brazoria, Caldwell and 27 more | 33 min |
| Mar 21, 2:59 PM CST | Mesoscale Discussion | SPC | Anderson, Camp, Cherokee, Delta, Falls, Fannin and 18 more | 3 hr |
| Mar 21, 5:10 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Bowie, Brazoria, Brazos and 55 more | 95 min |
| Mar 21, 5:40 PM CST | Tornado Watch | SPC | Anderson, Angelina, Austin, Bowie, Brazos, Camp and 40 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2005Every mesoscale discussion in 2005
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.