Alert archive / Kansas / Tornado Watches in 2010
Tornado Watch 665
The Storm Prediction Center issued this tornado watch at Sep 15, 2010, 3:19 PM CDT for 27 counties in Kansas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 15, 2010, 3:19 PM CDT (20:19 UTC)
- Expired
- Sep 15, 2010, 10:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
All 27 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Neosho County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 12 km from the middle of the area, began a volume at 20:23 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- 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
- 40%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 3:50 PM CDT | Severe Thunderstorm Warning | ICT | Reno | 55 min |
| Sep 15, 4:27 PM CDT | Severe Thunderstorm Warning | ICT | Harvey, Reno, Sedgwick | 63 min |
| Sep 15, 4:47 PM CDT | Severe Thunderstorm Warning | ICT | Reno, Sedgwick | 33 min |
| Sep 15, 4:49 PM CDT | Severe Thunderstorm Warning | ICT | Butler | 56 min |
| Sep 15, 5:07 PM CDT | Severe Thunderstorm Warning | ICT | McPherson, Saline | 33 min |
| Sep 15, 5:09 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 66 min |
| Sep 15, 5:28 PM CDT | Severe Thunderstorm Warning | ICT | Marion | 46 min |
| Sep 15, 5:38 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Greenwood | 67 min |
| Sep 15, 5:56 PM CDT | Severe Thunderstorm Warning | ICT | Harvey, Marion | 49 min |
| Sep 15, 6:07 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Cowley, Sedgwick, Sumner | 53 min |
| Sep 15, 6:20 PM CDT | Tornado Warning | ICT | Butler, Cowley, Sedgwick, Sumner | 55 min |
| Sep 15, 6:21 PM CDT | Tornado Warning | ICT | Elk, Greenwood | 54 min |
| Sep 15, 6:26 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Chase, Marion | 49 min |
| Sep 15, 6:55 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 35 min |
| Sep 15, 7:05 PM CDT | Tornado Warning | ICT | Butler, Cowley | 40 min |
| Sep 15, 7:09 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Cowley | 59 min |
| Sep 15, 7:11 PM CDT | Tornado Warning | ICT | Elk, Greenwood, Wilson | 34 min |
| Sep 15, 7:14 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Greenwood | 46 min |
| Sep 15, 7:26 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick, Sumner | 20 min |
| Sep 15, 7:31 PM CDT | Flash Flood Warning | TOP | Anderson, Coffey, Franklin, Osage | 4 hr |
| Sep 15, 7:39 PM CDT | Tornado Warning | ICT | Cowley | 43 min |
| Sep 15, 7:42 PM CDT | Tornado Warning | ICT | Elk, Greenwood, Wilson | 48 min |
| Sep 15, 8:03 PM CDT | Severe Thunderstorm Warning | ICT | Allen | 25 min |
| Sep 15, 8:10 PM CDT | Severe Thunderstorm Warning | ICT | Chautauqua, Cowley | 56 min |
| Sep 15, 8:20 PM CDT | Severe Thunderstorm Warning | ICT | Chautauqua, Elk, Labette, Montgomery, Neosho, Wilson | 55 min |
| Sep 15, 9:13 PM CDT | Severe Thunderstorm Warning | ICT | Labette, Montgomery | 32 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
Lamont, OK (KLMN), launched 12:00Z, 8.3 hours before the alert went out and 103 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
- 1140 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 7:28 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Logan, Norton and 4 more | 7 hr |
| Sep 14, 10:21 PM CDT | Mesoscale Discussion | SPC | Barton, Cheyenne, Decatur, Ellis, Ellsworth, Gove and 15 more | 54 min |
| Sep 14, 10:38 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Ellis, Ellsworth, Finney, Hodgeman, Jewell and 18 more | 6 hr |
| Sep 15, 1:39 AM CDT | Mesoscale Discussion | SPC | Barton, Cheyenne, Decatur, Edwards, Ellis, Ellsworth and 34 more | 2 hr |
| Sep 15, 1:15 PM CDT | Mesoscale Discussion | SPC | Bourbon, Crawford | 60 min |
| Sep 15, 2:47 PM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chautauqua, Cowley, Elk, Greenwood and 8 more | 58 min |
| Sep 15, 5:03 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chase, Coffey, Dickinson and 19 more | 117 min |
| Sep 15, 6:31 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 16 more | 89 min |
Nearby
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.