Alert archive / Missouri / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 71
The Storm Prediction Center issued this severe thunderstorm watch at Mar 12, 2006, 7:47 AM CST for 7 counties in Kansas; 14 counties in Missouri. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 7:47 AM CST (13:47 UTC)
- Expired
- Mar 12, 2006, 11:52 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Jackson County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 101 km from the middle of the area, began a volume at 13:49 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.
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 8:10 AM CST | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 35 min |
| Mar 12, 8:18 AM CST | Tornado Warning | EAX | Johnson, Leavenworth | 27 min |
| Mar 12, 8:37 AM CST | Severe Thunderstorm Warning | EAX | Wyandotte | 38 min |
| Mar 12, 8:41 AM CST | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 34 min |
| Mar 12, 8:59 AM CST | Severe Thunderstorm Warning | EAX | Clay, Jackson, Lafayette, Ray | 31 min |
| Mar 12, 9:12 AM CST | Severe Thunderstorm Warning | EAX | Atchison, Doniphan | 33 min |
| Mar 12, 9:41 AM CST | Severe Thunderstorm Warning | EAX | Andrew, DeKalb, Gentry | 34 min |
| Mar 12, 10:14 AM CST | Severe Thunderstorm Warning | EAX | Andrew, Holt, Nodaway | 31 min |
| Mar 12, 10:30 AM CST | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 30 min |
| Mar 12, 10:58 AM CST | Tornado Warning | EAX | Andrew, Buchanan, Clinton, DeKalb | 32 min |
| Mar 12, 11:17 AM CST | Severe Thunderstorm Warning | EAX | DeKalb, Gentry | 28 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
Topeka, KS (KTOP), launched 12:00Z, 1.8 hours before the alert went out and 98 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
- 1452 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- 622 m²/s²
- 0-3 km storm-relative helicity
- 826 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 4:32 AM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 31 more | 88 min |
| Mar 12, 5:04 AM CST | Severe Thunderstorm Watch | SPC | Allen, Anderson, Barton, Butler, Chase, Chautauqua and 38 more | 7 hr |
| Mar 12, 7:09 AM CST | Mesoscale Discussion | SPC | Brown, Doniphan, Jewell, Johnson, Leavenworth, Marshall and 5 more | 96 min |
| Mar 12, 7:36 AM CST | Severe Thunderstorm Watch | SPC | Brown, Jewell, Marshall, Mitchell, Nemaha, Osborne and 3 more | 4 hr |
| Mar 12, 11:29 AM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 15 more | 2 hr |
| Mar 12, 11:49 AM CST | Tornado Watch | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 33 more | 10 hr |
| Mar 12, 1:29 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Coffey, Crawford and 16 more | 91 min |
| Mar 12, 3:02 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Coffey, Crawford, Douglas and 12 more | 88 min |
| Mar 12, 5:06 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Crawford, Douglas, Franklin and 6 more | 84 min |
| Mar 11, 6:11 PM CST | Mesoscale Discussion | SPC | Barry, Bollinger, Butler, Carter, Christian, Dent and 19 more | 2 hr |
| Mar 11, 6:39 PM CST | Mesoscale Discussion | SPC | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, City of Saint Louis | 66 min |
| Mar 11, 6:49 PM CST | Tornado Watch | SPC | Barry, Bollinger, Butler, Camden, Cape Girardeau, Carter and 46 more | 7 hr |
| Mar 11, 11:13 PM CST | Mesoscale Discussion | SPC | Barry, Bollinger, Cape Girardeau, Carter, Christian, Crawford and 29 more | 92 min |
| Mar 12, 1:07 AM CST | Tornado Watch | SPC | Barry, Bollinger, Butler, Cape Girardeau, Carter, Christian and 30 more | 7 hr |
| Mar 12, 3:39 AM CST | Mesoscale Discussion | SPC | Barry, Bollinger, Butler, Cape Girardeau, Carter, Christian and 35 more | 96 min |
| Mar 12, 10:02 AM CST | Severe Thunderstorm Watch | SPC | Adair, Audrain, Boone, Caldwell, Callaway, Carroll and 25 more | 110 min |
| Mar 12, 11:17 AM CST | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Chariton, Clark, Howard and 15 more | 88 min |
| Mar 12, 12:46 PM CST | Tornado Watch | SPC | Barry, Christian, Douglas, Howell, McDonald, Newton and 4 more | 9 hr |
| Mar 12, 3:38 PM CST | Mesoscale Discussion | SPC | McDonald | 2 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2006Severe Thunderstorm Watches in Kansas, 2006Every severe thunderstorm watch in 2006
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.