Alert archive / Kentucky / Mesoscale Discussions in 2004
Mesoscale Discussion 2330
The Storm Prediction Center issued this mesoscale discussion at Oct 18, 2004, 6:05 PM CDT for 4 states. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Oct 18, 2004, 6:05 PM CDT (23:05 UTC)
- Expired
- Oct 18, 2004, 8:00 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 90 counties
Bond County, IL, Clay County, IL, Clinton County, IL, Crawford County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Lawrence County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Perry County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Clark County, IN, Crawford County, IN, Daviess County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Anderson County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Carroll County, KY, Daviess County, KY, Fayette County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Henderson County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Marion County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Union County, KY, Washington County, KY, Webster County, KY, Woodford County, KY, City of Saint Louis, MO
The radar
The Evansville,IN radar (KVWX), 11 km from the middle of the area, began a volume at 23:09 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, 11.1 hours before the alert went out and 215 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
- 480 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 217 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 |
|---|---|---|---|---|
| Oct 17, 10:01 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 3 hr |
| Oct 17, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Randolph, Saint Clair | 6 hr |
| Oct 18, 2:19 AM CDT | Mesoscale Discussion | SPC | Alexander, Monroe, Randolph, Saint Clair | 56 min |
| Oct 18, 4:40 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Fayette and 16 more | 35 min |
| Oct 18, 7:44 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 61 min |
| Oct 18, 10:20 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Edwards, Effingham and 27 more | 85 min |
| Oct 18, 12:04 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Monroe, Pulaski, Randolph, Union | 86 min |
| Oct 18, 12:40 PM CDT | Tornado Watch | SPC | Alexander, Clinton, Jackson, Monroe, Perry, Randolph and 2 more | 5 hr |
| Oct 18, 1:55 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 2 more | 95 min |
| Oct 18, 3:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Jackson, Monroe, Perry, Randolph and 3 more | 94 min |
| Oct 18, 5:05 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more | 5 hr |
| Oct 18, 4:05 PM CDT | Tornado Watch | SPC | Dunklin, Pemiscot | 5 hr |
Nearby
Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in Illinois, 2004Mesoscale Discussions in Indiana, 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.