Alert archive / Kansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 191

April 30, 200329 counties in Kansas; 8 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 30, 2003, 7:30 PM CDT for 29 counties in Kansas; 8 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 30, 2003, 7:30 PM CDT (00:30 UTC)
Expired: May 1, 2003, 1:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 37 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Garfield County, OK, Grant County, OK, Kay County, OK, Logan County, OK, Noble County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK

The radar

The Wichita radar (KICT), 60 km from the middle of the area, began a volume at 00:34 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

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

Issued	Product	Office	Counties	Lasted
Apr 30, 7:41 PM CDT	Severe Thunderstorm Warning	ICT	Butler	64 min
Apr 30, 7:51 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	54 min
Apr 30, 8:05 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	40 min
Apr 30, 8:09 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin	36 min
Apr 30, 8:24 PM CDT	Severe Thunderstorm Warning	OUN	Kay	36 min
Apr 30, 8:29 PM CDT	Tornado Warning	ICT	Cowley	46 min
Apr 30, 8:35 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	40 min
Apr 30, 8:43 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	47 min
Apr 30, 8:45 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	60 min
Apr 30, 8:47 PM CDT	Severe Thunderstorm Warning	ICT	Butler	58 min
Apr 30, 8:50 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	55 min
Apr 30, 9:05 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	55 min
Apr 30, 9:13 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	62 min
Apr 30, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	47 min
Apr 30, 9:17 PM CDT	Severe Thunderstorm Warning	ICT	Woodson	43 min
Apr 30, 9:45 PM CDT	Severe Thunderstorm Warning	ICT	Butler	60 min
Apr 30, 9:45 PM CDT	Severe Thunderstorm Warning	TOP	Anderson	30 min
Apr 30, 9:46 PM CDT	Severe Thunderstorm Warning	ICT	Allen	29 min
Apr 30, 9:56 PM CDT	Severe Thunderstorm Warning	OUN	Grant	49 min
Apr 30, 9:57 PM CDT	Tornado Warning	ICT	Cowley	48 min
Apr 30, 10:13 PM CDT	Severe Thunderstorm Warning	ICT	Allen	32 min
Apr 30, 10:13 PM CDT	Tornado Warning	OUN	Grant	32 min
Apr 30, 10:15 PM CDT	Severe Thunderstorm Warning	TOP	Anderson	30 min
Apr 30, 10:21 PM CDT	Flash Flood Warning	OUN	Grant	114 min
Apr 30, 10:24 PM CDT	Tornado Warning	ICT	Chautauqua	36 min
Apr 30, 10:32 PM CDT	Severe Thunderstorm Warning	ICT	Elk	58 min
Apr 30, 10:40 PM CDT	Tornado Warning	OUN	Grant	35 min
Apr 30, 10:43 PM CDT	Tornado Warning	ICT	Cowley	47 min
Apr 30, 10:54 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	51 min
Apr 30, 10:54 PM CDT	Tornado Warning	ICT	Chautauqua	51 min
Apr 30, 11:05 PM CDT	Severe Thunderstorm Warning	ICT	Butler	55 min
Apr 30, 11:15 PM CDT	Tornado Warning	OUN	Grant	45 min
Apr 30, 11:17 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Osage	58 min
Apr 30, 11:33 PM CDT	Severe Thunderstorm Warning	ICT	Montgomery	57 min
Apr 30, 11:35 PM CDT	Severe Thunderstorm Warning	OUN	Kay	40 min
Apr 30, 11:41 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	49 min
Apr 30, 11:41 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	64 min
Apr 30, 11:44 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	46 min
Apr 30, 11:56 PM CDT	Severe Thunderstorm Warning	ICT	Butler	49 min
May 1, 12:05 AM CDT	Severe Thunderstorm Warning	ICT	Marion	55 min
May 1, 12:12 AM CDT	Severe Thunderstorm Warning	OUN	Kay	63 min
May 1, 12:32 AM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	58 min
May 1, 12:42 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Morris	63 min
May 1, 12:46 AM CDT	Severe Thunderstorm Warning	TSA	Osage	59 min
May 1, 12:47 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	43 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 00:00Z, 0.5 hours before the alert went out and 168 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: 3988 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1381 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 10.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 30, 7:31 PM CDT	Mesoscale Discussion	SPC	Doniphan, Johnson, Leavenworth, Wyandotte	119 min
Apr 30, 9:22 PM CDT	Mesoscale Discussion	SPC	Bourbon, Crawford, Linn, Miami	83 min
Apr 30, 9:30 PM CDT	Severe Thunderstorm Watch	SPC	Bourbon, Cherokee, Crawford, Johnson, Leavenworth, Linn and 2 more	6 hr
Apr 30, 9:52 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Butler, Chase, Chautauqua and 23 more	83 min
Apr 30, 10:31 PM CDT	Mesoscale Discussion	SPC	Doniphan, Johnson, Leavenworth, Wyandotte	89 min
Apr 30, 11:47 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 13 more	118 min
May 1, 12:00 AM CDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Johnson, Leavenworth, Linn and 2 more	90 min
May 1, 12:10 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 22 more	5 hr
May 1, 2:27 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more	2 hr
May 1, 12:58 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Rawlins, Sherman, Wallace	2 hr
Apr 30, 8:17 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more	88 min
May 1, 10:55 AM CDT	Mesoscale Discussion	SPC	Bryan, Coal, Johnston, Love, Marshall	2 hr
May 1, 2:13 PM CDT	Mesoscale Discussion	SPC	Choctaw, Haskell, Latimer, LeFlore, McCurtain, McIntosh and 4 more	3 hr
May 1, 3:45 PM CDT	Tornado Watch	SPC	Adair, Cherokee, Choctaw, Delaware, Haskell, Latimer and 11 more	5 hr
May 1, 6:58 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Choctaw, Delaware, Haskell, Latimer and 12 more	92 min

Nearby

Severe Thunderstorm Watches in Kansas, 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.