Alert archive / Nebraska / Mesoscale Discussions in 2006
Mesoscale Discussion 253
The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2006, 7:09 AM CST for 11 counties in Kansas; 12 counties in Missouri; 16 counties in Nebraska. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 7:09 AM CST (13:09 UTC)
- Expired
- Mar 12, 2006, 8:45 AM CST
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 39 counties
Brown County, KS, Doniphan County, KS, Jewell County, KS, Johnson County, KS, Leavenworth County, KS, Marshall County, KS, Nemaha County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan 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, Ray County, MO, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Thayer County, NE, Webster County, NE
The radar
The Topeka radar (KTWX), 84 km from the middle of the area, began a volume at 13:08 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 1.2 hours before the alert went out and 104 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
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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, 7:36 AM CST | Severe Thunderstorm Watch | SPC | Brown, Jewell, Marshall, Mitchell, Nemaha, Osborne and 3 more | 4 hr |
| Mar 12, 7:47 AM CST | Severe Thunderstorm Watch | SPC | Atchison, Doniphan, Johnson, Leavenworth, Linn, Miami and 1 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
Mesoscale Discussions in Nebraska, 2006Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Kansas, 2006Every mesoscale discussion 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.