Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 2415
The Storm Prediction Center issued this mesoscale discussion at Sep 26, 2003, 9:21 PM CDT for 4 states. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Sep 26, 2003, 9:21 PM CDT (02:21 UTC)
- Expired
- Sep 26, 2003, 10:15 PM CDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
All 54 counties
Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Randolph County, IL, Saline County, IL, Union County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Cherokee County, KS, Barry County, MO, Barton County, MO, Bollinger County, MO, Cape Girardeau County, MO, Cedar County, MO, Christian County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Newton County, MO, Perry County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Ottawa County, OK
The radar
The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 02:22 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
Lincoln, IL (KILX), launched 00:00Z, 2.4 hours before the alert went out and 370 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 100 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 |
|---|---|---|---|---|
| Sep 26, 7:56 PM CDT | Mesoscale Discussion | SPC | Lawrence, Wabash | 94 min |
| Sep 26, 8:20 PM CDT | Tornado Watch | SPC | Clark, Crawford, Edwards, Lawrence, Wabash | 6 hr |
| Sep 26, 11:06 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Lawrence | 84 min |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Illinois, 2003Mesoscale Discussions in Kansas, 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.