Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 2094

August 23, 200420 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2004, 10:18 PM CDT for 20 counties in Missouri. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Aug 23, 2004, 10:18 PM CDT (03:18 UTC)
Expired: Aug 24, 2004, 12:15 AM CDT
In force: 117 min
Issued by: the Storm Prediction Center

Counties Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cole County, MO, Cooper County, MO, Dallas County, MO, Henry County, MO, Hickory County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Polk County, MO, Saline County, MO, St. Clair County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.3 hours before the alert went out and 223 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: 2446 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 577 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 314 m²/s²
0-3 km storm-relative helicity: 513 m²/s²
Significant tornado parameter: 4.3
Supercell composite: 21.0

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
Aug 24, 3:02 AM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Gentry, Harrison, Holt, Mercer and 2 more	118 min
Aug 24, 12:08 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Benton, Camden, Cedar, Christian and 35 more	2 hr
Aug 24, 1:13 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Carter, Crawford, Dent, Douglas and 20 more	2 hr
Aug 24, 1:20 PM CDT	Severe Thunderstorm Watch	SPC	Barry, Barton, Bollinger, Cape Girardeau, Christian, Crawford and 34 more	6 hr
Aug 24, 5:26 PM CDT	Mesoscale Discussion	SPC	Andrew, Buchanan, Clay, Clinton, Holt, Platte	3 hr

Nearby

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.