Alert archive / Missouri / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 83
The Storm Prediction Center issued this severe thunderstorm watch at Apr 7, 2013, 2:19 PM CDT for 14 counties in Kansas; 20 counties in Missouri. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2013, 2:19 PM CDT (19:19 UTC)
- Expired
- Apr 7, 2013, 10:28 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 34 counties
Allen County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Camden County, MO, Cedar County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Topeka radar (KTWX), 159 km from the middle of the area, began a volume at 19:20 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
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 |
|---|---|---|---|---|
| Apr 7, 2:41 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Elk, Greenwood | 64 min |
| Apr 7, 3:24 PM CDT | Severe Thunderstorm Warning | ICT | Elk, Greenwood, Wilson, Woodson | 66 min |
| Apr 7, 4:07 PM CDT | Severe Thunderstorm Warning | ICT | Allen | 38 min |
| Apr 7, 4:29 PM CDT | Severe Thunderstorm Warning | ICT | Wilson, Woodson | 31 min |
| Apr 7, 4:37 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon | 53 min |
| Apr 7, 4:43 PM CDT | Severe Thunderstorm Warning | ICT | Allen, Neosho | 62 min |
| Apr 7, 5:24 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon | 51 min |
| Apr 7, 6:14 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Cedar, Dade, Vernon | 61 min |
| Apr 7, 6:57 PM CDT | Severe Thunderstorm Warning | SGF | Polk | 63 min |
| Apr 7, 7:44 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Polk, Webster | 46 min |
| Apr 7, 8:23 PM CDT | Severe Thunderstorm Warning | SGF | Laclede, Webster, Wright | 52 min |
| Apr 7, 8:45 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Laclede, Pulaski | 45 min |
| Apr 7, 9:08 PM CDT | Severe Thunderstorm Warning | SGF | Laclede, Phelps, Pulaski, Texas | 52 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, 7.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2207 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 47 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 |
|---|---|---|---|---|
| Apr 7, 1:47 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Coffey and 15 more | 118 min |
| Apr 7, 3:42 PM CDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Ford, Hodgeman and 10 more | 2 hr |
| Apr 7, 5:36 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 27 more | 4 hr |
| Apr 7, 6:10 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 8 more | 65 min |
| Apr 7, 6:22 PM CDT | Mesoscale Discussion | SPC | Atchison, Clay, Douglas, Franklin, Geary, Jackson and 12 more | 53 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2013Severe Thunderstorm Watches in Kansas, 2013Every severe thunderstorm watch in 2013
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.