Alert archive / Missouri / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 72
The Storm Prediction Center issued this severe thunderstorm watch at Mar 12, 2006, 10:02 AM CST for 4 counties in Illinois; 31 counties in Missouri. It was in force for 110 min.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 10:02 AM CST (16:02 UTC)
- Expired
- Mar 12, 2006, 11:52 AM CST
- In force
- 110 min
- Issued by
- the Storm Prediction Center
All 35 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Pike County, IL, Adair County, MO, Audrain County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Chariton County, MO, Daviess County, MO, Grundy County, MO, Harrison County, MO, Howard County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Shelby County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 179 km from the middle of the area, began a volume at 16:01 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 10:16 AM CST | Severe Thunderstorm Warning | EAX | Chariton, Macon, Randolph | 44 min |
| Mar 12, 10:18 AM CST | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Harrison, Mercer | 42 min |
| Mar 12, 10:26 AM CST | Tornado Warning | EAX | Chariton, Randolph | 34 min |
| Mar 12, 10:51 AM CST | Severe Thunderstorm Warning | LSX | Marion, Monroe, Ralls, Shelby | 39 min |
| Mar 12, 10:54 AM CST | Tornado Warning | LSX | Marion, Monroe, Ralls, Shelby | 51 min |
| Mar 12, 11:24 AM CST | Tornado Warning | LSX | Adams, Pike | 36 min |
| Mar 12, 11:36 AM CST | Severe Thunderstorm Warning | EAX | Daviess, Harrison | 39 min |
| Mar 12, 11:51 AM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 39 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
Davenport, (KDVN), launched 12:00Z, 4.0 hours before the alert went out and 269 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
- 2570 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 144 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 |
|---|---|---|---|---|
| Mar 11, 6:39 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clinton, DeWitt and 34 more | 66 min |
| Mar 11, 6:49 PM CST | Tornado Watch | SPC | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 7 hr |
| Mar 11, 8:06 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 21 more | 84 min |
| Mar 11, 9:11 PM CST | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 18 more | 94 min |
| Mar 11, 9:55 PM CST | Tornado Watch | SPC | Franklin, Hamilton, Jackson, Jefferson, Perry, Wayne and 1 more | 3 hr |
| Mar 11, 10:50 PM CST | Mesoscale Discussion | SPC | Wabash | 55 min |
| Mar 11, 11:10 PM CST | Tornado Watch | SPC | Edwards, Wabash, White | 2 hr |
| Mar 11, 11:13 PM CST | Mesoscale Discussion | SPC | Franklin, Jackson, Jefferson, Monroe, Perry, Randolph and 4 more | 92 min |
| Mar 12, 1:07 AM CST | Tornado Watch | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 22 more | 7 hr |
| Mar 12, 3:39 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 16 more | 96 min |
| Mar 12, 11:17 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 28 more | 88 min |
| Mar 12, 11:49 AM CST | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more | 10 hr |
| Mar 12, 1:02 PM CST | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Johnson, Pope and 5 more | 88 min |
| Mar 12, 2:33 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, Grundy, Henderson, Henry and 13 more | 87 min |
| Mar 12, 3:02 PM CST | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 6 more | 88 min |
| Mar 12, 4:22 PM CST | Mesoscale Discussion | SPC | Bureau, Carroll, DeKalb, DuPage, Grundy, Henderson and 18 more | 53 min |
| Mar 12, 4:49 PM CST | Tornado Watch | SPC | Bureau, Ford, Grundy, Henderson, Henry, Iroquois and 11 more | 5 hr |
| Mar 12, 5:06 PM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 26 more | 84 min |
| Mar 11, 6:11 PM CST | Mesoscale Discussion | SPC | Barry, Bollinger, Butler, Carter, Christian, Dent and 19 more | 2 hr |
| Mar 12, 7:09 AM CST | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Clay, Clinton, DeKalb and 6 more | 96 min |
| Mar 12, 7:47 AM CST | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Bates, Buchanan, Cass, Clay and 8 more | 4 hr |
| Mar 12, 11:29 AM CST | Mesoscale Discussion | SPC | McDonald, Newton | 2 hr |
| Mar 12, 12:46 PM CST | Tornado Watch | SPC | Barry, Christian, Douglas, Howell, McDonald, Newton and 4 more | 9 hr |
| Mar 12, 1:29 PM CST | Mesoscale Discussion | SPC | Audrain, Barton, Bates, Benton, Boone, Buchanan and 44 more | 91 min |
| Mar 12, 3:38 PM CST | Mesoscale Discussion | SPC | McDonald | 2 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2006Severe Thunderstorm Watches in Illinois, 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.