Alert archive / Missouri / Severe Thunderstorm Watches in 2018
Severe Thunderstorm Watch 149
The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2018, 5:48 AM CDT for 14 counties in Kansas; 31 counties in Missouri. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2018, 5:48 AM CDT (10:48 UTC)
- Expired
- Jun 2, 2018, 10:06 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 45 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Franklin County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Polk County, MO, Pulaski County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO, Webster County, MO
The radar
The Pleasant Hill radar (KEAX), 58 km from the middle of the area, began a volume at 10:51 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:03 AM CDT | Severe Thunderstorm Warning | ICT | Allen, Greenwood, Woodson | 57 min |
| Jun 2, 6:25 AM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Carroll, Chariton, Lafayette, Linn, Livingston and 2 more | 35 min |
| Jun 2, 8:27 AM CDT | Severe Thunderstorm Warning | SGF | Cedar, Dade, Hickory, Polk, St. Clair | 34 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 (KFOE), launched 00:00Z, 10.8 hours before the alert went out and 146 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
- 2011 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 1778 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 12:50 AM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Doniphan, Douglas, Franklin and 13 more | 55 min |
| Jun 2, 9:12 AM CDT | Mesoscale Discussion | SPC | Benton, Callaway, Camden, Cape Girardeau, Cedar, Cole and 27 more | 2 hr |
| Jun 2, 1:33 PM CDT | Mesoscale Discussion | SPC | Howell, Oregon, Ozark, Ripley | 117 min |
| Jun 2, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | Butler, Carter, Douglas, Dunklin, Howell, Mississippi and 11 more | 10 hr |
| Jun 2, 3:42 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dent, Douglas and 22 more | 2 hr |
| Jun 2, 6:31 PM CDT | Mesoscale Discussion | SPC | Butler, Carter, Dunklin, Howell, New Madrid, Oregon and 6 more | 89 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2018Severe Thunderstorm Watches in Kansas, 2018Every severe thunderstorm watch in 2018
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.