Alert archive / Kansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 177

April 28, 200318 counties in Kansas; 11 counties in Missouri; 6 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 28, 2003, 5:30 PM CDT for 18 counties in Kansas; 11 counties in Missouri; 6 counties in Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Apr 28, 2003, 5:30 PM CDT (22:30 UTC)
Expired: Apr 28, 2003, 8:00 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center

All 35 counties

Allen County, KS, Anderson 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, Greenwood County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, St. Clair 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 Pleasant Hill radar (KEAX), 151 km from the middle of the area, began a volume at 22:29 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

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Apr 28, 5:35 PM CDT	Tornado Warning	ICT	Wilson	55 min
Apr 28, 6:34 PM CDT	Severe Thunderstorm Warning	ICT	Labette	26 min
Apr 28, 6:40 PM CDT	Severe Thunderstorm Warning	ICT	Wilson	65 min
Apr 28, 6:53 PM CDT	Severe Thunderstorm Warning	ICT	Neosho	52 min
Apr 28, 7:01 PM CDT	Severe Thunderstorm Warning	ICT	Labette	59 min
Apr 28, 7:11 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	34 min
Apr 28, 7:16 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	59 min
Apr 28, 7:39 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	51 min
Apr 28, 7:47 PM CDT	Severe Thunderstorm Warning	SGF	Crawford	58 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

Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 141 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 91 J/kg
Mixed-layer CIN: -341 J/kg
Mixed-layer LCL: 1785 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 208 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 2:12 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha and 1 more	93 min
Apr 28, 12:09 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 6 more	2 hr
Apr 28, 5:10 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 22 more	65 min
Apr 28, 5:23 PM CDT	Mesoscale Discussion	SPC	Hamilton, Morton, Stanton	3 hr
Apr 28, 2:35 PM CDT	Severe Thunderstorm Watch	SPC	Bollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 35 more	5 hr
Apr 28, 3:56 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 34 more	2 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2003 Severe Thunderstorm Watches in Missouri, 2003 Severe Thunderstorm Watches in Oklahoma, 2003 Every severe thunderstorm watch in 2003

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.