Alert archive / Indiana / Mesoscale Discussions in 2014
Mesoscale Discussion 68
The Storm Prediction Center issued this mesoscale discussion at Feb 4, 2014, 3:34 PM CST for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 4, 2014, 3:34 PM CST (21:34 UTC)
- Expired
- Feb 4, 2014, 8:00 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 70 counties
Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, White County, IL, Williamson County, IL, Clark County, IN, Crawford County, IN, Dearborn County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Ripley County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Ballard County, KY, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Crittenden County, KY, Daviess County, KY, Gallatin County, KY, Grant County, KY, Hancock County, KY, Henderson County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Livingston County, KY, Meade County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Shelby County, KY, Trimble County, KY, Union County, KY, Webster County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Hamilton County, OH, Highland County, OH, Warren County, OH
The radar
The Louisville radar (KLVX), 49 km from the middle of the area, began a volume at 21:38 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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 249 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
- 687 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 104 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 |
|---|---|---|---|---|
| Feb 4, 9:59 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 10 more | 5 hr |
| Feb 4, 11:38 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 33 more | 6 hr |
| Feb 4, 3:16 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Lawrence | 6 hr |
Nearby
Mesoscale Discussions in Indiana, 2014Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Illinois, 2014Every mesoscale discussion in 2014
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.