Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 1756
The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2003, 11:39 PM CDT for Calhoun County, Jersey County, Illinois; 31 counties in Missouri. It was in force for 66 min.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2003, 11:39 PM CDT (04:39 UTC)
- Expired
- Jul 10, 2003, 12:45 AM CDT
- In force
- 66 min
- Issued by
- the Storm Prediction Center
All 33 counties
Calhoun County, IL, Jersey County, IL, Barry County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Christian County, MO, Cole County, MO, Dade County, MO, Dallas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Louis County, MO, Stone County, MO, Warren County, MO, Webster County, MO
The radar
The Springfield radar (KSGF), 73 km from the middle of the area, began a volume at 04:41 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
Springfield, MO (KSGF), launched 00:00Z, 4.7 hours before the alert went out and 124 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
- 1823 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1357 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
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 |
|---|---|---|---|---|
| Jul 9, 8:04 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 50 more | 56 min |
| Jul 9, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 43 more | 6 hr |
| Jul 9, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Christian, Greene, Jersey, Macoupin, Montgomery and 5 more | 6 hr |
| Jul 9, 10:49 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 30 more | 56 min |
| Jul 9, 8:56 PM CDT | Mesoscale Discussion | SPC | Audrain, Barry, Barton, Bates, Benton, Boone and 44 more | 94 min |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Illinois, 2003Every mesoscale discussion in 2003
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.