Alert archive / Kansas / Severe Thunderstorm Watches in 2011
Severe Thunderstorm Watch 463
The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2011, 3:39 PM CDT for 17 counties in Kansas; 15 counties in Oklahoma; 8 counties in Texas. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2011, 3:39 PM CDT (20:39 UTC)
- Expired
- Jun 12, 2011, 1:00 AM CDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 40 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Cimarron County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX
The radar
The Dodge City radar (KDDC), 98 km from the middle of the area, began a volume at 20:39 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
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
42 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 4:15 PM CDT | Severe Thunderstorm Warning | DDC | Clark, Comanche | 45 min |
| Jun 11, 4:44 PM CDT | Severe Thunderstorm Warning | DDC | Hamilton | 61 min |
| Jun 11, 5:17 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 28 min |
| Jun 11, 5:19 PM CDT | Severe Thunderstorm Warning | DDC | Morton, Stevens | 41 min |
| Jun 11, 5:36 PM CDT | Severe Thunderstorm Warning | DDC | Hamilton, Stanton | 54 min |
| Jun 11, 5:51 PM CDT | Severe Thunderstorm Warning | DDC | Grant, Morton, Stanton, Stevens | 39 min |
| Jun 11, 5:55 PM CDT | Severe Thunderstorm Warning | DDC | Morton, Stevens | 50 min |
| Jun 11, 6:03 PM CDT | Severe Thunderstorm Warning | DDC | Grant, Hamilton, Kearny, Stanton | 42 min |
| Jun 11, 6:07 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey | 38 min |
| Jun 11, 6:13 PM CDT | Severe Thunderstorm Warning | DDC | Grant, Stanton | 47 min |
| Jun 11, 6:16 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 44 min |
| Jun 11, 6:20 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Ochiltree | 40 min |
| Jun 11, 6:42 PM CDT | Severe Thunderstorm Warning | DDC | Seward, Stevens | 48 min |
| Jun 11, 6:55 PM CDT | Tornado Warning | AMA | Beaver, Texas | 35 min |
| Jun 11, 7:04 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 56 min |
| Jun 11, 7:08 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey | 37 min |
| Jun 11, 7:16 PM CDT | Tornado Warning | DDC | Meade, Seward | 29 min |
| Jun 11, 7:20 PM CDT | Severe Thunderstorm Warning | DDC | Seward, Stevens | 35 min |
| Jun 11, 7:24 PM CDT | Tornado Warning | AMA | Beaver, Texas | 51 min |
| Jun 11, 7:29 PM CDT | Tornado Warning | AMA | Beaver | 31 min |
| Jun 11, 7:36 PM CDT | Severe Thunderstorm Warning | OUN | Blaine | 39 min |
| Jun 11, 7:40 PM CDT | Tornado Warning | DDC | Meade, Seward | 35 min |
| Jun 11, 7:43 PM CDT | Severe Thunderstorm Warning | DDC | Finney, Gray | 29 min |
| Jun 11, 7:45 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant | 45 min |
| Jun 11, 7:57 PM CDT | Tornado Warning | OUN | Ellis | 48 min |
| Jun 11, 8:00 PM CDT | Tornado Warning | AMA | Beaver | 30 min |
| Jun 11, 8:02 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 58 min |
| Jun 11, 8:07 PM CDT | Tornado Warning | AMA | Beaver | 23 min |
| Jun 11, 8:13 PM CDT | Severe Thunderstorm Warning | DDC | Meade | 47 min |
| Jun 11, 8:13 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian, Kingfisher | 62 min |
| Jun 11, 8:18 PM CDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 26 min |
| Jun 11, 8:29 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 61 min |
| Jun 11, 8:42 PM CDT | Tornado Warning | OUN | Ellis, Woodward | 48 min |
| Jun 11, 8:53 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 56 min |
| Jun 11, 9:19 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 39 min |
| Jun 11, 9:27 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 48 min |
| Jun 11, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 60 min |
| Jun 11, 9:36 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 39 min |
| Jun 11, 9:55 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 5 min |
| Jun 11, 10:13 PM CDT | Severe Thunderstorm Warning | OUN | Ellis | 32 min |
| Jun 11, 10:39 PM CDT | Severe Thunderstorm Warning | OUN | Woodward | 36 min |
| Jun 11, 10:45 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant, Major, Woods, Woodward | 45 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, 8.7 hours before the alert went out and 102 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
- 1356 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 177 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 |
|---|---|---|---|---|
| Jun 10, 7:47 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 12 more | 58 min |
| Jun 10, 10:56 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford | 94 min |
| Jun 11, 12:44 PM CDT | Mesoscale Discussion | SPC | Grant, Hamilton, Haskell, Kearny, Morton, Seward and 2 more | 91 min |
| Jun 11, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Greeley, Logan, Rawlins, Sherman, Thomas and 2 more | 6 hr |
| Jun 11, 5:43 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Grant, Gray, Hamilton and 7 more | 62 min |
| Jun 10, 8:50 PM CDT | Mesoscale Discussion | SPC | Caddo, Comanche, Grady, Greer, Harmon, Jackson and 3 more | 55 min |
| Jun 11, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | Cimarron | 7 hr |
| Jun 11, 2:28 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Carter, Cleveland and 25 more | 2 hr |
| Jun 11, 4:57 PM CDT | Mesoscale Discussion | SPC | Haskell, Latimer, LeFlore, McIntosh, Sequoyah | 63 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2011Severe Thunderstorm Watches in Oklahoma, 2011Severe Thunderstorm Watches in Texas, 2011Every severe thunderstorm watch in 2011
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.