Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 1278
The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2015, 11:59 AM CDT for 5 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2015, 11:59 AM CDT (16:59 UTC)
- Expired
- Jul 2, 2015, 2:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 83 counties
Mississippi County, AR, Alexander County, IL, Gallatin County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Adair County, KY, Allen County, KY, Ballard County, KY, Barren County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Larue County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Stoddard County, MO, Benton County, TN, Carroll County, TN, Cheatham County, TN, Clay County, TN, Crockett County, TN, Davidson County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lake County, TN, Lauderdale County, TN, Macon County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Robertson County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Weakley County, TN, Wilson County, TN
The radar
The Ft Campbell radar (KHPX), 49 km from the middle of the area, began a volume at 17:01 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, 5.0 hours before the alert went out and 136 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
- 9 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -135 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 |
|---|---|---|---|---|
| Jul 2, 2:37 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 18 more | 2 hr |
| Jul 2, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 6 hr |
| Jul 2, 5:50 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Greene, Mississippi | 115 min |
| Jul 2, 6:04 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Fulton, Independence, Izard, Marion and 4 more | 56 min |
| Jul 2, 6:46 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Sebastian, Washington | 89 min |
| Jul 1, 8:16 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Edwards, Franklin, Gallatin and 18 more | 119 min |
| Jul 1, 7:52 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Camden, Cass, Cedar and 13 more | 83 min |
| Jul 1, 11:06 PM CDT | Mesoscale Discussion | SPC | Barton, Cedar, Christian, Dade, Dallas, Dent and 9 more | 54 min |
| Jul 2, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Cedar, Christian, Dade, Dallas and 21 more | 4 hr |
Nearby
Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Tennessee, 2015Mesoscale Discussions in Illinois, 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.