Alert archive / Oklahoma / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 795
The Storm Prediction Center issued this severe thunderstorm watch at Sep 17, 2005, 5:45 PM CDT for Barber County, Clark County, Comanche County, Kansas; 6 counties in Oklahoma; 6 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 17, 2005, 5:45 PM CDT (22:45 UTC)
- Expired
- Sep 17, 2005, 9:08 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Barber County, KS, Clark County, KS, Comanche County, KS, Beckham County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 162 km from the middle of the area, began a volume at 22:46 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.
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 |
|---|---|---|---|---|
| Sep 17, 5:45 PM CDT | Tornado Warning | AMA | Donley | 45 min |
| Sep 17, 5:54 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 96 min |
| Sep 17, 7:48 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 54 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.8 hours before the alert went out and 162 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
- 895 J/kg
- Mixed-layer CIN
- -296 J/kg
- Mixed-layer LCL
- 926 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 5:17 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Hodgeman and 3 more | 58 min |
| Sep 17, 6:38 PM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 5 more | 2 hr |
| Sep 17, 3:41 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Bailey, Briscoe, Castro, Cochran and 15 more | 2 hr |
| Sep 17, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Bailey, Borden, Briscoe, Castro, Cochran and 16 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2005Severe Thunderstorm Watches in Texas, 2005Severe Thunderstorm Watches in Kansas, 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; radar from the NEXRAD Level II archive.