Alert archive / Tennessee / Mesoscale Discussions in 2014
Mesoscale Discussion 601
The Storm Prediction Center issued this mesoscale discussion at May 14, 2014, 2:59 PM CDT for 5 counties in Alabama; Alcorn County, Prentiss County, Tishomingo County, Mississippi; 41 counties in Tennessee. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2014, 2:59 PM CDT (19:59 UTC)
- Expired
- May 14, 2014, 4:30 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 49 counties
Colbert County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Alcorn County, MS, Prentiss County, MS, Tishomingo County, MS, Bedford County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardin County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Moore County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Northeast Alabama radar (KHTX), 81 km from the middle of the area, began a volume at 19:58 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, 8.0 hours before the alert went out and 96 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
- 48 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 60 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 14, 10:56 AM CDT | Mesoscale Discussion | SPC | Colbert, Cullman, Fayette, Franklin, Jackson, Lamar and 11 more | 2 hr |
| May 14, 11:21 AM CDT | Severe Thunderstorm Watch | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Madison and 1 more | 8 hr |
| May 14, 5:23 PM CDT | Mesoscale Discussion | SPC | Barbour, Henry, Russell | 97 min |
| May 14, 6:05 PM CDT | Mesoscale Discussion | SPC | Lawrence, Limestone, Madison | 85 min |
| May 14, 10:37 AM CDT | Mesoscale Discussion | SPC | Clay, Fentress, Overton, Pickett | 53 min |
| May 14, 11:53 AM CDT | Tornado Watch | SPC | Campbell, Morgan, Scott | 8 hr |
Nearby
Mesoscale Discussions in Tennessee, 2014Mesoscale Discussions in Alabama, 2014Mesoscale Discussions in Mississippi, 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.