Alert archive / Texas / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 583
The Storm Prediction Center issued this severe thunderstorm watch at Jun 19, 2008, 11:02 PM CDT for 21 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2008, 11:02 PM CDT (04:02 UTC)
- Expired
- Jun 20, 2008, 4:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 70 kt
All 21 counties
Bosque County, TX, Burnet County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Erath County, TX, Hamilton County, TX, Hood County, TX, Irion County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, San Saba County, TX, Schleicher County, TX, Somervell County, TX, Tom Green County, TX
The radar
The Dyess AFB radar (KDYX), 109 km from the middle of the area, began a volume at 04:01 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 11:38 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Eastland, Erath | 67 min |
| Jun 20, 1:29 AM CDT | Severe Thunderstorm Warning | FWD | Comanche, Erath, Hamilton | 61 min |
| Jun 20, 2:03 AM CDT | Severe Thunderstorm Warning | FWD | Hamilton | 42 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
Fort Worth, TX (KFWD), launched 00:00Z, 4.0 hours before the alert went out and 235 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
- 1093 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1446 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:09 PM CDT | Severe Thunderstorm Watch | SPC | Borden, Brown, Callahan, Coke, Coleman, Dawson and 12 more | 7 hr |
| Jun 19, 10:18 PM CDT | Mesoscale Discussion | SPC | Archer, Bailey, Baylor, Borden, Briscoe, Brown and 43 more | 117 min |
| Jun 20, 1:16 AM CDT | Mesoscale Discussion | SPC | Bell, Blanco, Bosque, Burnet, Coryell, Edwards and 22 more | 89 min |
| Jun 20, 12:50 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Delta, Fannin, Franklin, Hopkins and 5 more | 85 min |
Nearby
Severe Thunderstorm Watches in Texas, 2008Every severe thunderstorm watch 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.