Alert archive / Kansas / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 485
The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2007, 2:37 PM CDT for 49 counties in Kansas; 27 counties in Missouri; 6 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2007, 2:37 PM CDT (19:37 UTC)
- Expired
- Jul 4, 2007, 9:31 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 82 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clay County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Kingman County, KS, Kiowa County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Miami County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Cooper County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Pettis County, MO, Phelps County, MO, Platte County, MO, Pulaski County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO, Alfalfa County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Woods County, OK, Woodward County, OK
The radar
The Topeka radar (KTWX), 81 km from the middle of the area, began a volume at 19:38 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
- 2%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 95%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
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 |
|---|---|---|---|---|
| Jul 4, 2:47 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Ray, Saline | 43 min |
| Jul 4, 2:51 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 39 min |
| Jul 4, 3:02 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson, Shawnee | 28 min |
| Jul 4, 3:31 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 44 min |
| Jul 4, 3:48 PM CDT | Severe Thunderstorm Warning | DDC | Pratt | 42 min |
| Jul 4, 3:53 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray | 37 min |
| Jul 4, 4:02 PM CDT | Severe Thunderstorm Warning | ICT | Marion | 22 min |
| Jul 4, 4:23 PM CDT | Severe Thunderstorm Warning | ICT | Chase | 40 min |
| Jul 4, 4:38 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 37 min |
| Jul 4, 4:42 PM CDT | Flash Flood Warning | EAX | Clay, Jackson, Lafayette, Ray | 6 hr |
| Jul 4, 5:35 PM CDT | Severe Thunderstorm Warning | ICT | Harvey, Sedgwick | 40 min |
| Jul 4, 7:23 PM CDT | Flash Flood Warning | ICT | Butler | 4 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 7.6 hours before the alert went out and 107 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
- 1411 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 39 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 |
|---|---|---|---|---|
| Jul 3, 7:30 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Logan, Rawlins, Sherman, Thomas and 2 more | 90 min |
| Jul 3, 10:58 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Finney, Gove, Greeley, Hamilton and 12 more | 92 min |
| Jul 4, 1:35 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Barber, Barton, Butler and 55 more | 55 min |
| Jul 4, 12:27 PM CDT | Mesoscale Discussion | SPC | Jefferson, Perry, Saint Charles, Sainte Genevieve, Saint Francois, Saint Louis and 1 more | 63 min |
| Jul 4, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Bollinger, Boone, Callaway, Cape Girardeau, Cole and 23 more | 7 hr |
| Jul 4, 5:14 PM CDT | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 16 more | 91 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2007Severe Thunderstorm Watches in Missouri, 2007Severe Thunderstorm Watches in Oklahoma, 2007Every severe thunderstorm watch in 2007
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.