Alert archive / Missouri / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 449

June 12, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 12, 2004, 3:10 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 12, 2004, 3:10 PM CDT (20:10 UTC)
Expired: Jun 12, 2004, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 38 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Searcy County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Neosho County, KS, Barry County, MO, Barton County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK

The radar

The Springfield radar (KSGF), 77 km from the middle of the area, began a volume at 20:10 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

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

Issued	Product	Office	Counties	Lasted
Jun 12, 3:43 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	62 min
Jun 12, 4:04 PM CDT	Severe Thunderstorm Warning	LZK	Van Buren	31 min
Jun 12, 4:13 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	62 min
Jun 12, 4:36 PM CDT	Tornado Warning	SGF	Cherokee	54 min
Jun 12, 4:43 PM CDT	Severe Thunderstorm Warning	SGF	Crawford	62 min
Jun 12, 4:48 PM CDT	Flash Flood Warning	SGF	Crawford	3 hr
Jun 12, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	Barton	52 min
Jun 12, 5:30 PM CDT	Tornado Warning	SGF	Jasper	30 min
Jun 12, 6:20 PM CDT	Severe Thunderstorm Warning	ICT	Allen	40 min
Jun 12, 8:31 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	59 min
Jun 12, 8:58 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	62 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, 8.2 hours before the alert went out and 43 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: 2508 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 749 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 11:38 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 22 more	2 hr
Jun 12, 1:35 PM CDT	Severe Thunderstorm Watch	SPC	Clay, Craighead, Crittenden, Cross, Fulton, Greene and 11 more	5 hr
Jun 12, 3:14 PM CDT	Mesoscale Discussion	SPC	Clay, Craighead, Crittenden, Cross, Fulton, Greene and 11 more	2 hr
Jun 12, 4:36 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll	84 min
Jun 11, 7:58 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Chase, Coffey, Doniphan and 16 more	2 hr
Jun 11, 11:34 PM CDT	Mesoscale Discussion	SPC	Leavenworth, Wyandotte	116 min
Jun 12, 2:18 AM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Elk, Labette and 6 more	87 min
Jun 12, 10:30 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Chase and 28 more	2 hr
Jun 12, 11:45 AM CDT	Tornado Watch	SPC	Atchison, Barton, Brown, Chase, Clay, Cloud and 28 more	7 hr
Jun 12, 1:12 PM CDT	Mesoscale Discussion	SPC	Butler, Chase, Chautauqua, Coffey, Cowley, Elk and 13 more	2 hr
Jun 12, 1:53 PM CDT	Mesoscale Discussion	SPC	Clay, Cloud, Dickinson, Geary, Jackson, Jewell and 16 more	2 hr
Jun 12, 2:40 PM CDT	Tornado Watch	SPC	Barber, Butler, Chautauqua, Cowley, Elk, Greenwood and 9 more	8 hr
Jun 12, 5:00 PM CDT	Mesoscale Discussion	SPC	Atchison, Barton, Brown, Chase, Clay, Cloud and 29 more	90 min
Jun 12, 5:37 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chautauqua, Coffey, Comanche, Cowley and 10 more	83 min
Jun 12, 6:15 PM CDT	Tornado Watch	SPC	Anderson, Atchison, Barton, Brown, Chase, Clay and 36 more	5 hr
Jun 12, 12:43 PM CDT	Mesoscale Discussion	SPC	Atchison	92 min
Jun 12, 3:51 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Mississippi, Perry, Sainte Genevieve, Scott	84 min
Jun 12, 4:15 PM CDT	Severe Thunderstorm Watch	SPC	Cape Girardeau, Mississippi, Scott	5 hr
Jun 12, 6:08 PM CDT	Mesoscale Discussion	SPC	Cape Girardeau, Mississippi, Scott	37 min
Jun 11, 8:17 PM CDT	Mesoscale Discussion	SPC	Comanche, Cotton, Jackson, Tillman	88 min

Nearby

Severe Thunderstorm Watches in Missouri, 2004 Severe Thunderstorm Watches in Arkansas, 2004 Severe Thunderstorm Watches in Kansas, 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.