Alert archive / Tennessee / Mesoscale Discussions in 2016
Mesoscale Discussion 742
The Storm Prediction Center issued this mesoscale discussion at May 26, 2016, 1:45 PM CDT for 10 counties in Kentucky; New Madrid County, Pemiscot County, Missouri; 12 counties in Tennessee. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 26, 2016, 1:45 PM CDT (18:45 UTC)
- Expired
- May 26, 2016, 3:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 24 counties
Caldwell County, KY, Calloway County, KY, Christian County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Lyon County, KY, Marshall County, KY, Todd County, KY, Trigg County, KY, New Madrid County, MO, Pemiscot County, MO, Benton County, TN, Carroll County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Montgomery County, TN, Obion County, TN, Stewart County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 62 km from the middle of the area, began a volume at 18:47 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, 6.8 hours before the alert went out and 183 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
- 265 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 10:07 PM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Cass, Clay, Jackson, Platte | 83 min |
| May 25, 11:08 PM CDT | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 23 more | 5 hr |
| May 26, 10:33 AM CDT | Mesoscale Discussion | SPC | Atchison, Buchanan, Cass, Clay, Holt, Jackson and 2 more | 57 min |
| May 26, 2:09 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 25 more | 8 hr |
| May 26, 4:56 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Caldwell, Callaway, Camden, Carroll and 22 more | 94 min |
| May 26, 5:27 PM CDT | Mesoscale Discussion | SPC | Atchison, Nodaway, Worth | 63 min |
| May 26, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 15 more | 6 hr |
Nearby
Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Missouri, 2016Every mesoscale discussion in 2016
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.