Alert archive / Missouri / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 558

July 5, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2004, 2:00 AM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jul 5, 2004, 2:00 AM CDT (07:00 UTC)
Expired: Jul 5, 2004, 7:00 AM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 108 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Greene County, IA, Guthrie County, IA, Harrison County, IA, Ida County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Mills County, IA, Monona County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Pocahontas County, IA, Polk County, IA, Pottawattamie County, IA, Ringgold County, IA, Sac County, IA, Shelby County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Nemaha County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Monroe County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO, Burt County, NE, Butler County, NE, Cass County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Washington County, NE, York County, NE

The radar

The Des Moines radar (KDMX), 115 km from the middle of the area, began a volume at 07:00 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

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

Issued	Product	Office	Counties	Lasted
Jul 5, 2:20 AM CDT	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	40 min
Jul 5, 2:31 AM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	59 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

Omaha, NE (KOAX), launched 00:00Z, 7.0 hours before the alert went out and 157 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: 1889 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1675 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 11:05 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Mills	5 hr
Jul 5, 1:16 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 25 more	89 min
Jul 5, 4:45 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 30 more	2 hr
Jul 5, 3:00 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Dallas, Davis, Decatur, Des Moines and 22 more	60 min
Jul 5, 4:20 PM CDT	Tornado Watch	SPC	Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 51 more	6 hr
Jul 5, 6:30 PM CDT	Mesoscale Discussion	SPC	Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 40 more	60 min
Jul 4, 7:02 PM CDT	Mesoscale Discussion	SPC	Norton, Phillips	58 min
Jul 4, 7:12 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 15 more	2 hr
Jul 4, 7:25 PM CDT	Severe Thunderstorm Watch	SPC	Cloud, Graham, Jewell, Mitchell, Norton, Osborne and 5 more	7 hr
Jul 4, 9:21 PM CDT	Mesoscale Discussion	SPC	Butler, Chase, Cowley, Dickinson, Elk, Ellsworth and 11 more	54 min
Jul 4, 9:40 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Barber, Barton, Butler, Chase and 44 more	6 hr
Jul 4, 10:45 PM CDT	Mesoscale Discussion	SPC	Cloud, Jewell, Mitchell, Phillips, Republic, Smith	60 min
Jul 4, 11:20 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Butler, Chase, Clark, Comanche and 30 more	55 min
Jul 5, 2:06 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Butler, Chase, Chautauqua and 20 more	114 min
Jul 5, 3:25 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more	6 hr
Jul 5, 6:02 AM CDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette, Montgomery, Neosho	88 min
Jul 5, 12:40 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Rawlins, Sherman, Thomas	2 hr
Jul 5, 2:20 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more	6 hr
Jul 5, 3:43 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Crawford, Labette and 5 more	92 min
Jul 5, 4:21 PM CDT	Mesoscale Discussion	SPC	Allen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 20 more	114 min
Jul 5, 4:36 PM CDT	Mesoscale Discussion	SPC	Clark, Finney, Ford, Grant, Gray, Hamilton and 7 more	54 min
Jul 5, 4:40 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more	5 hr
Jul 5, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Comanche, Edwards, Finney, Ford, Grant and 18 more	6 hr
Jul 5, 5:52 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Graham, Logan, Norton, Rawlins and 4 more	83 min
Jul 5, 6:55 AM CDT	Severe Thunderstorm Watch	SPC	Audrain, Benton, Boone, Callaway, Camden, Cole and 19 more	4 hr
Jul 5, 9:12 AM CDT	Mesoscale Discussion	SPC	Franklin, Jefferson, Lincoln, Pike, Saint Charles, Saint Louis and 2 more	63 min
Jul 5, 4:00 PM CDT	Tornado Watch	SPC	Audrain, Barton, Bates, Benton, Boone, Callaway and 46 more	6 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2004 Severe Thunderstorm Watches in Iowa, 2004 Severe Thunderstorm Watches in Nebraska, 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.