Alert archive / Missouri / Mesoscale Discussions in 2004
Mesoscale Discussion 2084
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2004, 2:23 PM CDT for 24 counties in Missouri. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2004, 2:23 PM CDT (19:23 UTC)
- Expired
- Aug 23, 2004, 3:30 PM CDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 24 counties
Adair County, MO, Audrain County, MO, Boone County, MO, Callaway County, MO, Carroll County, MO, Chariton County, MO, Cooper County, MO, Howard 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, Monroe County, MO, Montgomery County, MO, Pettis County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Shelby County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 131 km from the middle of the area, began a volume at 19:25 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 nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 7.4 hours before the alert went out and 236 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.
- Mixed-layer CAPE
- 2729 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 5:34 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Cass, Cedar, Dade, Greene and 5 more | 116 min |
| Aug 23, 6:15 PM CDT | Tornado Watch | SPC | Atchison, Bates, Cass, Cedar, Holt, Platte and 1 more | 7 hr |
Nearby
Mesoscale Discussions in Missouri, 2004Every 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.