Alert archive / Missouri / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 655
The Storm Prediction Center issued this severe thunderstorm watch at Jul 2, 2008, 6:16 PM CDT for 20 counties in Kansas; 21 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2008, 6:16 PM CDT (23:16 UTC)
- Expired
- Jul 3, 2008, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 41 counties
Anderson County, KS, Atchison County, KS, Brown County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Marshall County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Nodaway County, MO, Platte County, MO, Ray County, MO, Worth County, MO
The radar
The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 23:17 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
- 70%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 6:17 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin, Osage | 43 min |
| Jul 2, 6:25 PM CDT | Severe Thunderstorm Warning | EAX | Wyandotte | 35 min |
| Jul 2, 6:47 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Osage, Shawnee | 42 min |
| Jul 2, 6:53 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Platte | 37 min |
| Jul 2, 6:57 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 33 min |
| Jul 2, 7:00 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 31 min |
| Jul 2, 7:04 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage | 15 min |
| Jul 2, 7:08 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 37 min |
| Jul 2, 7:10 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson | 23 min |
| Jul 2, 7:15 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 31 min |
| Jul 2, 7:18 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Ray | 42 min |
| Jul 2, 7:30 PM CDT | Severe Thunderstorm Warning | EAX | Wyandotte | 45 min |
| Jul 2, 7:37 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 38 min |
| Jul 2, 7:52 PM CDT | Flash Flood Warning | EAX | Johnson, Leavenworth, Wyandotte | 6 hr |
| Jul 2, 7:59 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray | 27 min |
| Jul 2, 8:07 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 38 min |
| Jul 2, 8:16 PM CDT | Flash Flood Warning | EAX | Caldwell, Carroll, Chariton, Linn, Livingston, Ray | 6 hr |
| Jul 2, 8:19 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth, Wyandotte | 18 min |
| Jul 2, 8:24 PM CDT | Severe Thunderstorm Warning | EAX | Jackson, Johnson, Lafayette | 36 min |
| Jul 2, 8:29 PM CDT | Severe Thunderstorm Warning | EAX | Doniphan | 46 min |
| Jul 2, 8:52 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Lafayette | 24 min |
| Jul 2, 9:24 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Clay, Clinton, DeKalb | 36 min |
| Jul 2, 11:29 PM CDT | Flash Flood Warning | EAX | Chariton, Lafayette, Saline | 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
Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 230 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
- 475 J/kg
- Mixed-layer CIN
- -201 J/kg
- Mixed-layer LCL
- 1738 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- -139 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 2, 3:32 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Harper, Meade, Seward and 2 more | 88 min |
| Jul 2, 5:59 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Coffey, Doniphan, Douglas and 14 more | 61 min |
| Jul 2, 1:19 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Buffalo, Burt, Butler, Cass and 44 more | 116 min |
| Jul 2, 2:27 PM CDT | Severe Thunderstorm Watch | SPC | Box Butte, Dawes, Sioux | 8 hr |
| Jul 2, 5:57 PM CDT | Mesoscale Discussion | SPC | Box Butte, Dawes, Morrill, Scotts Bluff, Sioux | 63 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2008Severe Thunderstorm Watches in Kansas, 2008Every severe thunderstorm watch in 2008
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.