Alert archive / Oklahoma / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 130

April 19, 200317 counties in Kansas; 24 counties in Oklahoma; Wheeler County, Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2003, 1:25 AM CDT for 17 counties in Kansas; 24 counties in Oklahoma; Wheeler County, Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Apr 19, 2003, 1:25 AM CDT (06:25 UTC)
Expired: Apr 19, 2003, 8:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 42 counties

Barber County, KS, Butler County, KS, Chautauqua County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Wheeler County, TX

The radar

The Vance AFB radar (KVNX), 70 km from the middle of the area, began a volume at 06:28 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

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

Issued	Product	Office	Counties	Lasted
Apr 19, 1:34 AM CDT	Severe Thunderstorm Warning	OUN	Custer	26 min
Apr 19, 1:51 AM CDT	Severe Thunderstorm Warning	DDC	Barber	54 min
Apr 19, 1:59 AM CDT	Severe Thunderstorm Warning	DDC	Comanche	31 min
Apr 19, 1:59 AM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods, Woodward	46 min
Apr 19, 2:03 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey	42 min
Apr 19, 2:25 AM CDT	Severe Thunderstorm Warning	OUN	Major	35 min
Apr 19, 2:30 AM CDT	Severe Thunderstorm Warning	ICT	Kingman	60 min
Apr 19, 2:46 AM CDT	Severe Thunderstorm Warning	DDC	Barber, Pratt	59 min
Apr 19, 2:47 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Washita	43 min
Apr 19, 2:51 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	39 min
Apr 19, 3:28 AM CDT	Severe Thunderstorm Warning	ICT	Reno	62 min
Apr 19, 3:29 AM CDT	Severe Thunderstorm Warning	OUN	Canadian	46 min
Apr 19, 4:03 AM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	42 min
Apr 19, 4:07 AM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	38 min
Apr 19, 4:11 AM CDT	Severe Thunderstorm Warning	OUN	Logan	49 min
Apr 19, 4:13 AM CDT	Severe Thunderstorm Warning	OUN	Logan	47 min
Apr 19, 4:32 AM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	43 min
Apr 19, 4:49 AM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	41 min
Apr 19, 5:01 AM CDT	Severe Thunderstorm Warning	OUN	Garfield	44 min
Apr 19, 5:20 AM CDT	Severe Thunderstorm Warning	OUN	Noble	40 min
Apr 19, 5:41 AM CDT	Severe Thunderstorm Warning	OUN	Kay	49 min
Apr 19, 7:23 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	37 min
Apr 19, 7:38 AM CDT	Tornado Warning	ICT	Chautauqua	37 min
Apr 19, 7:54 AM CDT	Severe Thunderstorm Warning	ICT	Elk	36 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

Norman, OK (KOUN), launched 00:00Z, 6.4 hours before the alert went out and 166 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: 1488 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1049 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 18, 7:33 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Jefferson	57 min
Apr 18, 11:08 PM CDT	Mesoscale Discussion	SPC	Butler, Chase, Coffey, Douglas, Franklin, Harvey and 12 more	2 hr
Apr 19, 12:58 AM CDT	Mesoscale Discussion	SPC	Barber, Comanche, Harper, Kingman, Sumner	2 hr
Apr 19, 3:18 AM CDT	Mesoscale Discussion	SPC	Bourbon, Chautauqua, Cherokee, Crawford, Labette, Montgomery and 2 more	117 min
Apr 19, 4:52 AM CDT	Mesoscale Discussion	SPC	Barber, Butler, Comanche, Cowley, Greenwood, Harper and 7 more	113 min
Apr 19, 9:01 AM CDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette, Linn	3 hr
Apr 19, 1:10 PM CDT	Mesoscale Discussion	SPC	Barber, Comanche, Harper, Kingman, Pratt, Sedgwick and 1 more	2 hr
Apr 19, 1:15 PM CDT	Tornado Watch	SPC	Barber, Clark, Comanche, Cowley, Harper, Kingman and 2 more	7 hr
Apr 19, 2:30 PM CDT	Tornado Watch	SPC	Butler, Chautauqua, Cherokee, Cowley, Crawford, Elk and 4 more	7 hr
Apr 19, 4:58 PM CDT	Mesoscale Discussion	SPC	Anderson, Chase, Coffey, Douglas, Franklin, Greenwood and 9 more	92 min
Apr 19, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Coffey, Douglas, Franklin, Greenwood, Johnson and 7 more	6 hr
Apr 19, 5:50 PM CDT	Mesoscale Discussion	SPC	Harper, Kingman, Sumner	85 min
Apr 19, 6:07 PM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Cowley, Crawford, Elk, Labette and 3 more	83 min
Apr 19, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	Bourbon, Cherokee, Crawford	5 hr
Apr 18, 8:31 PM CDT	Mesoscale Discussion	SPC	Caddo, Cleveland, Comanche, Cotton, Grady, Greer and 8 more	2 hr
Apr 18, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	Beckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 13 more	6 hr
Apr 18, 11:32 PM CDT	Mesoscale Discussion	SPC	Beckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 10 more	118 min
Apr 19, 1:20 AM CDT	Tornado Watch	SPC	Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 2 more	7 hr
Apr 19, 4:11 AM CDT	Mesoscale Discussion	SPC	Comanche, Cotton, Jackson, Kiowa, Stephens, Tillman	2 hr
Apr 19, 2:02 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more	88 min
Apr 19, 3:15 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more	2 hr
Apr 18, 9:21 PM CDT	Mesoscale Discussion	SPC	Bandera, Bexar, Blanco, Comal, Dimmit, Edwards and 12 more	54 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2003 Severe Thunderstorm Watches in Kansas, 2003 Severe Thunderstorm Watches in Texas, 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.