Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 114

April 23, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 23, 2004, 7:35 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 23, 2004, 7:35 PM CDT (00:35 UTC)
Expired: Apr 24, 2004, 2:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 70 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Labette County, KS, Montgomery County, KS, Sumner County, KS, Barry County, MO, Christian County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Adair County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Haskell County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Norman radar (KTLX), 75 km from the middle of the area, began a volume at 00:38 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

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

Issued	Product	Office	Counties	Lasted
Apr 23, 7:37 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	38 min
Apr 23, 7:43 PM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald	62 min
Apr 23, 7:48 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	57 min
Apr 23, 7:50 PM CDT	Flash Flood Warning	SGF	Barry, Stone	6 hr
Apr 23, 7:52 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	53 min
Apr 23, 7:55 PM CDT	Severe Thunderstorm Warning	ICT	Montgomery	65 min
Apr 23, 8:01 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	74 min
Apr 23, 8:06 PM CDT	Flash Flood Warning	SGF	Jasper, Newton	6 hr
Apr 23, 8:12 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	18 min
Apr 23, 8:16 PM CDT	Flash Flood Warning	ICT	Labette, Neosho	6 hr
Apr 23, 8:25 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Neosho	80 min
Apr 23, 8:43 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	47 min
Apr 23, 9:05 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee	55 min
Apr 23, 9:16 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal	29 min
Apr 23, 9:22 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	53 min
Apr 23, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	62 min
Apr 23, 9:53 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	82 min
Apr 23, 9:56 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	34 min
Apr 23, 9:59 PM CDT	Severe Thunderstorm Warning	TSA	Adair	61 min
Apr 23, 10:13 PM CDT	Flash Flood Warning	SGF	Cherokee, Crawford	6 hr
Apr 23, 10:23 PM CDT	Flash Flood Warning	OUN	Grant	3 hr
Apr 23, 10:27 PM CDT	Flash Flood Warning	SGF	Lawrence	6 hr
Apr 23, 10:42 PM CDT	Flash Flood Warning	OUN	Atoka, Coal, Johnston, Marshall	6 hr
Apr 23, 11:57 PM CDT	Severe Thunderstorm Warning	SGF	Greene	78 min
Apr 24, 12:19 AM CDT	Flash Flood Warning	TSA	Carroll, Madison, Washington	6 hr
Apr 24, 12:54 AM CDT	Flash Flood Warning	SGF	Taney	6 hr
Apr 24, 1:15 AM CDT	Flash Flood Warning	TSA	Crawford	6 hr
Apr 24, 1:23 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	37 min
Apr 24, 1:45 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Muskogee	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

Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 91 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: 8 J/kg
Mixed-layer CIN: -361 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 415 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 23, 7:05 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Logan, Madison and 3 more	25 min
Apr 23, 9:43 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Madison, Scott and 2 more	62 min
Apr 23, 11:33 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Madison, Scott and 2 more	57 min
Apr 24, 1:40 AM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Clark, Cleburne, Cleveland, Conway, Crawford and 31 more	4 hr
Apr 24, 4:16 AM CDT	Mesoscale Discussion	SPC	Arkansas, Clark, Cleveland, Conway, Dallas, Desha and 24 more	59 min
Apr 24, 11:50 AM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 36 more	55 min
Apr 24, 12:10 PM CDT	Tornado Watch	SPC	Arkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 35 more	8 hr
Apr 24, 12:35 PM CDT	Severe Thunderstorm Watch	SPC	Ashley, Chicot, Columbia, Union	6 hr
Apr 24, 3:23 PM CDT	Mesoscale Discussion	SPC	Arkansas, Clay, Craighead, Crittenden, Cross, Desha and 18 more	67 min
Apr 24, 5:04 PM CDT	Mesoscale Discussion	SPC	Chicot	26 min
Apr 24, 5:08 PM CDT	Mesoscale Discussion	SPC	Clay, Craighead, Greene, Jackson, Lawrence, Mississippi and 2 more	2 hr
Apr 24, 6:40 PM CDT	Tornado Watch	SPC	Clay, Mississippi	5 hr
Apr 24, 4:22 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 11 more	113 min
Apr 23, 7:48 PM CDT	Mesoscale Discussion	SPC	Carter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more	87 min
Apr 23, 7:56 PM CDT	Mesoscale Discussion	SPC	Adair, Atoka, Cherokee, Coal, Haskell, Johnston and 4 more	2 hr
Apr 23, 9:18 PM CDT	Mesoscale Discussion	SPC	Carter, Coal, Jefferson, Johnston, Love, Marshall and 2 more	57 min
Apr 23, 11:08 PM CDT	Mesoscale Discussion	SPC	Carter, Johnston, Love, Marshall, Murray	37 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2004 Severe Thunderstorm Watches in Missouri, 2004 Severe Thunderstorm Watches in Arkansas, 2004 Every severe thunderstorm watch in 2004

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.