Alert archive / Kansas / Severe Thunderstorm Watches in 2012
Severe Thunderstorm Watch 203
The Storm Prediction Center issued this severe thunderstorm watch at Apr 29, 2012, 5:10 PM CDT for 4 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2012, 5:10 PM CDT (22:10 UTC)
- Expired
- Apr 30, 2012, 1:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 31 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Pawnee County, KS, Pratt County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Union County, NM, Beaver County, OK, Cimarron County, OK, Harper County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Lipscomb County, TX, Ochiltree County, TX, Sherman County, TX
The radar
The Dodge City radar (KDDC), 112 km from the middle of the area, began a volume at 22:11 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 6:48 PM CDT | Severe Thunderstorm Warning | DDC | Gray | 42 min |
| Apr 29, 7:28 PM CDT | Severe Thunderstorm Warning | DDC | Ford, Gray | 47 min |
| Apr 29, 8:36 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 54 min |
| Apr 29, 9:11 PM CDT | Severe Thunderstorm Warning | DDC | Clark, Comanche, Ford, Kiowa | 34 min |
| Apr 29, 9:25 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 65 min |
| Apr 29, 9:30 PM CDT | Severe Thunderstorm Warning | ABQ | Union | 30 min |
| Apr 29, 9:36 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley | 54 min |
| Apr 29, 9:50 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper | 40 min |
| Apr 29, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woods, Woodward | 48 min |
| Apr 29, 10:30 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 60 min |
| Apr 29, 10:34 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Moore, Sherman | 56 min |
| Apr 29, 11:20 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Hutchinson, Moore | 55 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
Dodge City, (KDDC), launched 12:00Z, 10.2 hours before the alert went out and 118 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
- 1194 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 2:22 PM CDT | Mesoscale Discussion | SPC | Baca, Bent, Prowers | 113 min |
| Apr 29, 1:53 AM CDT | Mesoscale Discussion | SPC | Labette, Montgomery | 2 hr |
| Apr 29, 5:51 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 24 more | 2 hr |
| Apr 29, 3:13 AM CDT | Mesoscale Discussion | SPC | Curry, Quay, San Miguel | 92 min |
| Apr 29, 5:17 PM CDT | Mesoscale Discussion | SPC | Chaves, Curry, De Baca, Guadalupe, Harding, Lea and 2 more | 88 min |
| Apr 28, 10:36 PM CDT | Tornado Watch | SPC | Caddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 11 more | 3 hr |
| Apr 28, 10:54 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Comanche, Cotton, Grady and 4 more | 2 hr |
| Apr 28, 11:52 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Creek, Delaware, McIntosh and 13 more | 5 hr |
| Apr 29, 1:37 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Garfield and 8 more | 23 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2012Severe Thunderstorm Watches in Texas, 2012Severe Thunderstorm Watches in Oklahoma, 2012Every severe thunderstorm watch in 2012
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.