Alert archive / Missouri / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 262
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2005, 6:55 PM CDT for 38 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2005, 6:55 PM CDT (23:55 UTC)
- Expired
- May 13, 2005, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Adair County, MO, Audrain County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Chariton County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Howard County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:00 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Harrison | 45 min |
| May 12, 7:14 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, DeKalb, Gentry | 23 min |
| May 12, 7:56 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Lafayette, Ray | 49 min |
| May 12, 8:05 PM CDT | Severe Thunderstorm Warning | EAX | Mercer | 32 min |
| May 12, 9:33 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 57 min |
| May 12, 9:39 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 68 min |
| May 12, 10:07 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe, Shelby | 53 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, 11.9 hours before the alert went out and 251 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
- 47 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 1153 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 395 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 |
|---|---|---|---|---|
| May 12, 12:40 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Holt, Nodaway | 95 min |
| May 12, 1:55 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Buchanan, Cass, Clay, Holt and 3 more | 7 hr |
| May 12, 3:48 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Cass, Clay, Holt and 3 more | 87 min |
| May 12, 6:37 PM CDT | Mesoscale Discussion | SPC | Caldwell, Carroll, Chariton, Clay, Clinton, Cooper and 13 more | 83 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2005Every severe thunderstorm watch in 2005
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.