Alert archive / Iowa / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 41
The Storm Prediction Center issued this severe thunderstorm watch at Mar 8, 2006, 4:46 PM CST for 25 counties in Iowa; 7 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 2006, 4:46 PM CST (22:46 UTC)
- Expired
- Mar 8, 2006, 9:46 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Appanoose County, IA, Benton County, IA, Cedar County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Iowa County, IA, Jasper County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Poweshiek County, IA, Tama County, IA, Van Buren County, IA, Wapello County, IA, Warren County, IA, Washington County, IA, Wayne County, IA, Adair County, MO, Harrison County, MO, Mercer County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Sullivan County, MO
The radar
The Des Moines radar (KDMX), 107 km from the middle of the area, began a volume at 22:46 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 5:00 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 20 min |
| Mar 8, 5:03 PM CST | Severe Thunderstorm Warning | DMX | Marion | 21 min |
| Mar 8, 5:17 PM CST | Severe Thunderstorm Warning | DMX | Polk, Warren | 43 min |
| Mar 8, 5:17 PM CST | Severe Thunderstorm Warning | DMX | Wayne | 43 min |
| Mar 8, 5:26 PM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 21 min |
| Mar 8, 5:43 PM CST | Severe Thunderstorm Warning | DVN | Iowa | 35 min |
| Mar 8, 5:44 PM CST | Severe Thunderstorm Warning | DMX | Tama | 31 min |
| Mar 8, 5:44 PM CST | Severe Thunderstorm Warning | DMX | Appanoose | 46 min |
| Mar 8, 5:59 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 46 min |
| Mar 8, 6:22 PM CST | Severe Thunderstorm Warning | DMX | Poweshiek | 38 min |
| Mar 8, 6:38 PM CST | Severe Thunderstorm Warning | DVN | Cedar | 60 min |
| Mar 8, 7:19 PM CST | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 36 min |
| Mar 8, 7:25 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Polk | 35 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, 10.8 hours before the alert went out and 240 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
- 1103 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 256 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 7, 7:34 PM CST | Severe Thunderstorm Watch | SPC | Barton, Bates, Cass, Cedar, Clay, Dade and 9 more | 7 hr |
| Mar 7, 9:23 PM CST | Mesoscale Discussion | SPC | Audrain, Bates, Boone, Buchanan, Caldwell, Callaway and 25 more | 2 hr |
| Mar 8, 11:41 AM CST | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Carroll, Cass, Chariton and 18 more | 3 hr |
| Mar 8, 12:25 PM CST | Mesoscale Discussion | SPC | Butler, Dunklin, New Madrid, Pemiscot, Ripley, Scott and 1 more | 2 hr |
| Mar 8, 12:33 PM CST | Tornado Watch | SPC | Andrew, Barton, Bates, Buchanan, Caldwell, Carroll and 22 more | 7 hr |
| Mar 8, 3:11 PM CST | Mesoscale Discussion | SPC | Andrew, Barton, Bates, Buchanan, Caldwell, Carroll and 16 more | 94 min |
Nearby
Severe Thunderstorm Watches in Iowa, 2006Severe Thunderstorm Watches in Missouri, 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.