Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 185
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2015, 11:50 AM CDT for 6 states. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2015, 11:50 AM CDT (16:50 UTC)
- Expired
- Apr 2, 2015, 1:15 PM CDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 85 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Crawford County, IN, Daviess County, IN, Dubois County, IN, Gibson County, IN, Knox County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Breckinridge County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Ohio County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Crockett County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 61 km from the middle of the area, began a volume at 16:52 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 4.8 hours before the alert went out and 226 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
- 114 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1203 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Apr 2, 4:47 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll | 88 min |
| Apr 2, 2:46 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Cumberland, Effingham, Fayette and 15 more | 89 min |
| Apr 2, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Floyd, Harrison | 5 hr |
| Apr 2, 5:03 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 55 more | 57 min |
| Apr 1, 11:36 PM CDT | Mesoscale Discussion | SPC | Atchison | 54 min |
| Apr 2, 1:37 AM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Carroll, Clay, Clinton and 11 more | 113 min |
| Apr 2, 5:22 AM CDT | Mesoscale Discussion | SPC | Audrain, Barton, Bates, Benton, Boone, Callaway and 26 more | 113 min |
| Apr 2, 1:57 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Coffee, Decatur, Franklin, Giles and 18 more | 63 min |
Nearby
Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Illinois, 2015Mesoscale Discussions in Missouri, 2015Every mesoscale discussion in 2015
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.