Alert archive / Kansas / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 472
The Storm Prediction Center issued this severe thunderstorm watch at Aug 5, 2015, 4:21 AM CDT for 30 counties in Kansas; 5 counties in Missouri; 6 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2015, 4:21 AM CDT (09:21 UTC)
- Expired
- Aug 5, 2015, 10:26 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 41 counties
Allen County, KS, Anderson County, KS, Barton County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Ellsworth County, KS, Greenwood County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Reno County, KS, Rice County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Jasper County, MO, McDonald County, MO, Newton County, MO, Vernon County, MO, Craig County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK
The radar
The Wichita radar (KICT), 34 km from the middle of the area, began a volume at 09:24 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
- 5%
- Ten or more severe wind reports
- 50%
- 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
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 4:32 AM CDT | Severe Thunderstorm Warning | ICT | Harvey, McPherson, Marion, Reno | 28 min |
| Aug 5, 4:51 AM CDT | Severe Thunderstorm Warning | ICT | Butler, Harvey, Marion, Sedgwick | 39 min |
| Aug 5, 8:00 AM CDT | Severe Thunderstorm Warning | SGF | Cherokee, Crawford | 60 min |
| Aug 5, 8:14 AM CDT | Flash Flood Warning | SGF | Bourbon, Cherokee, Crawford | 6 hr |
| Aug 5, 8:56 AM CDT | Flash Flood Warning | SGF | Barton | 6 hr |
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, 9.4 hours before the alert went out and 183 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
- 201 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -98 m²/s²
- 0-3 km storm-relative helicity
- -30 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 |
|---|---|---|---|---|
| Aug 4, 8:30 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ellis, Finney and 15 more | 90 min |
| Aug 5, 3:00 AM CDT | Mesoscale Discussion | SPC | Barton, Butler, Chase, Chautauqua, Cowley, Dickinson and 22 more | 3 hr |
| Aug 5, 6:40 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barton, Bourbon, Butler, Chase and 24 more | 95 min |
| Aug 5, 8:08 AM CDT | Mesoscale Discussion | SPC | Allen, Butler, Chautauqua, Cherokee, Cowley, Crawford and 9 more | 97 min |
| Aug 5, 1:06 PM CDT | Mesoscale Discussion | SPC | Dunklin | 114 min |
| Aug 5, 1:59 PM CDT | Severe Thunderstorm Watch | SPC | Dunklin, Pemiscot | 4 hr |
| Aug 5, 3:53 PM CDT | Mesoscale Discussion | SPC | Dunklin | 97 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2015Severe Thunderstorm Watches in Oklahoma, 2015Severe Thunderstorm Watches in Missouri, 2015Every severe thunderstorm watch in 2015
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.