Alert archive / Tennessee / Mesoscale Discussions in 2014
Mesoscale Discussion 165
The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2014, 8:55 PM CST for 11 counties in Arkansas; 10 counties in Mississippi; 21 counties in Tennessee. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2014, 8:55 PM CST (02:55 UTC)
- Expired
- Mar 3, 2014, 1:30 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Arkansas County, AR, Cleveland County, AR, Crittenden County, AR, Desha County, AR, Drew County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, Benton County, MS, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Hickman County, TN, Humphreys County, TN, Lewis County, TN, Madison County, TN, McNairy County, TN, Perry County, TN, Shelby County, TN, Tipton County, TN, Williamson County, TN, Wilson County, TN
The radar
The Memphis radar (KNQA), 49 km from the middle of the area, began a volume at 02:59 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 00:00Z, 2.9 hours before the alert went out and 283 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
- 20 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 351 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- 277 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 |
|---|---|---|---|---|
| Mar 2, 8:28 PM CST | Mesoscale Discussion | SPC | Adams, Claiborne, Franklin, Jefferson, Warren, Wilkinson | 2 hr |
Nearby
Mesoscale Discussions in Tennessee, 2014Mesoscale Discussions in Arkansas, 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.