Alert archive / Texas / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 55
The Storm Prediction Center issued this severe thunderstorm watch at Mar 21, 2005, 6:05 AM CST for 65 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 21, 2005, 6:05 AM CST (12:05 UTC)
- Expired
- Mar 21, 2005, 12:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brown 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
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 6:44 AM CST | Severe Thunderstorm Warning | FWD | Freestone | 46 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 0.1 hours before the alert went out and 356 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
- 582 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.9
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, 7:43 AM CST | Mesoscale Discussion | SPC | Bastrop, Bell, Blanco, Bosque, Brown, Burleson and 60 more | 92 min |
| 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
Severe Thunderstorm Watches in Texas, 2005Every severe thunderstorm watch 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.