Alert archive / Illinois / Mesoscale Discussions in 2003
Mesoscale Discussion 1133
The Storm Prediction Center issued this mesoscale discussion at May 28, 2003, 3:36 PM CDT for 27 counties in Illinois; 16 counties in Indiana. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- May 28, 2003, 3:36 PM CDT (20:36 UTC)
- Expired
- May 28, 2003, 5:30 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 43 counties
Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Jasper County, IL, Lawrence County, IL, Macon County, IL, Marion County, IL, Montgomery County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Shelby County, IL, Vermilion County, IL, Wabash County, IL, Wayne County, IL, Brown County, IN, Clay County, IN, Daviess County, IN, Fountain County, IN, Greene County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Sullivan County, IN, Vermillion County, IN, Vigo County, IN
The radar
The Lincoln radar (KILX), 129 km from the middle of the area, began a volume at 20:36 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 12:00Z, 8.6 hours before the alert went out and 83 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
- 2202 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 124 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 |
|---|---|---|---|---|
| May 28, 12:56 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, DeKalb, DeWitt, Douglas and 21 more | 2 hr |
| May 28, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Champaign, Christian, Coles, Cook and 30 more | 6 hr |
| May 28, 6:41 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Christian, Coles, Cook and 30 more | 94 min |
Nearby
Mesoscale Discussions in Illinois, 2003Mesoscale Discussions in Indiana, 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.