Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 1233

June 12, 20049 counties in Kansas; 5 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2004, 7:58 PM CDT for 9 counties in Kansas; 5 counties in Missouri. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued: Jun 12, 2004, 7:58 PM CDT (00:58 UTC)
Expired: Jun 12, 2004, 9:00 PM CDT
In force: 62 min
Issued by: the Storm Prediction Center

Counties Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Cedar County, MO, Jasper County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 147 km from the middle of the area, began a volume at 00:58 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 142 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: 1066 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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
Jun 12, 7:59 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 3 more	61 min
Jun 12, 8:15 PM CDT	Tornado Watch	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more	3 hr
Jun 12, 9:06 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Barton, Brown, Chase, Clay and 36 more	84 min
Jun 12, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 40 more	5 hr
Jun 12, 11:47 PM CDT	Mesoscale Discussion	SPC	Cherokee	88 min
Jun 13, 1:44 AM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Butler, Chase, Chautauqua, Cherokee and 18 more	91 min
Jun 13, 2:46 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Doniphan, Jackson, Jefferson and 4 more	119 min
Jun 13, 6:54 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha	66 min
Jun 13, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Holt, Nodaway	5 hr

Nearby

Mesoscale Discussions in Kansas, 2004 Mesoscale Discussions in Missouri, 2004 Every mesoscale discussion 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.