Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 679

May 12, 20044 counties in Colorado; 10 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 12, 2004, 8:37 PM MDT for 4 counties in Colorado; 10 counties in Kansas. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: May 12, 2004, 8:37 PM MDT (02:37 UTC)
Expired: May 12, 2004, 9:30 PM MDT
In force: 53 min
Issued by: the Storm Prediction Center

Counties Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Prowers County, CO, Finney County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Logan County, KS, Scott County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.6 hours before the alert went out and 190 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: 1564 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1387 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 441 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 13.2

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
May 12, 6:08 PM MDT	Mesoscale Discussion	SPC	Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 1 more	67 min
May 12, 8:08 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Barton, Butler, Chase and 41 more	37 min
May 12, 8:25 PM MDT	Tornado Watch	SPC	Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 22 more	7 hr
May 12, 10:55 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Butler, Chautauqua, Coffey and 15 more	2 hr
May 13, 2:12 AM MDT	Mesoscale Discussion	SPC	Allen, Bourbon, Butler, Chase, Chautauqua, Cherokee and 19 more	63 min
May 13, 4:01 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 12 more	89 min

Nearby

Mesoscale Discussions in Kansas, 2004 Mesoscale Discussions in Colorado, 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.