Alert archive / Missouri / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 148
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2014, 3:15 AM CDT for 4 counties in Kansas; 19 counties in Missouri. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2014, 3:15 AM CDT (08:15 UTC)
- Expired
- May 12, 2014, 6:16 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 23 counties
Johnson County, KS, Leavenworth County, KS, Miami County, KS, Wyandotte County, KS, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Pettis County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 61 km from the middle of the area, began a volume at 08:17 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
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 (KFOE), launched 00:00Z, 8.3 hours before the alert went out and 132 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
- 1294 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 6.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:30 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Clay, Cloud, Comanche and 25 more | 90 min |
| May 11, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Brown, Butler, Chase, Clay, Cowley and 26 more | 6 hr |
| May 11, 11:41 PM CDT | Mesoscale Discussion | SPC | Barber, Chase, Dickinson, Geary, Harper, Harvey and 7 more | 64 min |
| May 12, 2:38 AM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Coffey, Douglas, Franklin, Jefferson and 7 more | 2 hr |
| May 12, 11:52 AM CDT | Mesoscale Discussion | SPC | Cherokee, Labette | 83 min |
| May 12, 11:54 AM CDT | Mesoscale Discussion | SPC | Adair, Caldwell, Carroll, Chariton, Clark, Daviess and 18 more | 2 hr |
| May 12, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Clark, Knox, Lewis, Linn, Macon and 6 more | 7 hr |
| May 12, 2:12 PM CDT | Mesoscale Discussion | SPC | Audrain, Barry, Barton, Bates, Benton, Boone and 37 more | 2 hr |
| May 12, 3:21 PM CDT | Mesoscale Discussion | SPC | Adair, Clark, Knox, Lewis, Linn, Macon and 6 more | 54 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2014Severe Thunderstorm Watches in Kansas, 2014Every severe thunderstorm watch in 2014
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.