Alert archive / Missouri / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 697
The Storm Prediction Center issued this severe thunderstorm watch at Sep 30, 2007, 12:37 PM CDT for 41 counties in Kansas; 53 counties in Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 30, 2007, 12:37 PM CDT (17:37 UTC)
- Expired
- Sep 30, 2007, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 70 kt
All 94 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Greene County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Morgan County, MO, Newton County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Worth County, MO
The radar
The Topeka radar (KTWX), 95 km from the middle of the area, began a volume at 17:38 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
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 50%
- 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
- 80%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 1:23 PM CDT | Severe Thunderstorm Warning | ICT | Chase, Marion | 19 min |
| Sep 30, 1:25 PM CDT | Severe Thunderstorm Warning | TOP | Morris | 35 min |
| Sep 30, 1:55 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Wabaunsee | 35 min |
| Sep 30, 2:22 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson, Shawnee | 38 min |
| Sep 30, 2:36 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Greenwood | 39 min |
| Sep 30, 2:45 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson | 30 min |
| Sep 30, 3:05 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 26 min |
| Sep 30, 3:19 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage | 41 min |
| Sep 30, 3:20 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Platte | 32 min |
| Sep 30, 4:09 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 36 min |
| Sep 30, 5:42 PM CDT | Severe Thunderstorm Warning | SGF | Crawford | 45 min |
| Sep 30, 6:06 PM CDT | Severe Thunderstorm Warning | SGF | Cherokee | 54 min |
| Sep 30, 6:17 PM CDT | Severe Thunderstorm Warning | SGF | Barton | 41 min |
| Sep 30, 6:50 PM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson | 18 min |
| Sep 30, 7:02 PM CDT | Severe Thunderstorm Warning | SGF | Newton | 73 min |
| Sep 30, 7:46 PM CDT | Flash Flood Warning | SGF | Newton | 6 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, 5.6 hours before the alert went out and 61 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
- 1355 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 113 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 |
|---|---|---|---|---|
| Sep 29, 9:31 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Greeley, Hamilton, Kearny, Logan and 8 more | 89 min |
| Sep 29, 10:38 PM CDT | Severe Thunderstorm Watch | SPC | Gove, Graham, Norton, Phillips, Rooks, Sheridan | 3 hr |
| Sep 30, 12:10 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 37 more | 65 min |
| Sep 30, 2:26 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Coffey, Cowley and 16 more | 64 min |
| Sep 30, 6:13 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Labette | 92 min |
| Sep 30, 2:23 PM CDT | Mesoscale Discussion | SPC | Barry, McDonald, Newton, Stone | 67 min |
| Sep 30, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | Barry, McDonald, Stone, Taney | 6 hr |
| Sep 30, 11:01 AM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Butler and 32 more | 59 min |
| Sep 30, 1:02 PM CDT | Tornado Watch | SPC | Burt, Butler, Cass, Cedar, Clay, Colfax and 32 more | 7 hr |
| Sep 30, 3:36 PM CDT | Mesoscale Discussion | SPC | Burt, Cedar, Cuming, Dakota, Dixon, Thurston and 2 more | 54 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2007Severe Thunderstorm Watches in Kansas, 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.