Alert archive / Missouri / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 253
The Storm Prediction Center issued this severe thunderstorm watch at May 11, 2005, 4:50 PM CDT for Johnson County, Linn County, Miami County, Kansas; 14 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 11, 2005, 4:50 PM CDT (21:50 UTC)
- Expired
- May 11, 2005, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
Counties Johnson County, KS, Linn County, KS, Miami County, KS, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cole County, MO, Cooper County, MO, Henry County, MO, Johnson County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 52 km from the middle of the area, began a volume at 21:52 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 4:52 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 23 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, 9.8 hours before the alert went out and 171 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
- 1968 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 262 m²/s²
- 0-3 km storm-relative helicity
- 255 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 |
|---|---|---|---|---|
| May 10, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Norton, Phillips, Rawlins, Smith | 7 hr |
| May 11, 8:41 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Doniphan, Douglas, Geary and 12 more | 2 hr |
| May 11, 11:45 AM CDT | Tornado Watch | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 6 more | 7 hr |
| May 11, 2:36 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Ellis, Finney, Gove, Graham and 27 more | 114 min |
| May 11, 2:55 PM CDT | Tornado Watch | SPC | Clay, Cloud, Dickinson, Ellis, Geary, Jewell and 11 more | 7 hr |
| May 11, 3:10 PM CDT | Tornado Watch | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more | 7 hr |
| May 11, 3:41 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 4 more | 94 min |
| May 11, 4:53 PM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Ellis, Geary, Jewell and 11 more | 97 min |
| May 11, 5:13 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more | 92 min |
| May 11, 5:25 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 13 more | 2 hr |
| May 11, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Jackson, Jefferson, Marshall, Nemaha, Pottawatomie and 1 more | 7 hr |
| May 11, 1:37 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Chariton, Clark, Howard, Knox and 11 more | 113 min |
| May 11, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Clark, Cole, Knox and 16 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2005Severe Thunderstorm Watches in Kansas, 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; radar from the NEXRAD Level II archive.