Alert archive / Tennessee / Mesoscale Discussions in 2014
Mesoscale Discussion 1377
The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2014, 3:57 PM CDT for 4 states. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2014, 3:57 PM CDT (20:57 UTC)
- Expired
- Jul 14, 2014, 5:30 PM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 74 counties
Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Poinsett County, AR, Prairie County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, DeSoto County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Coffee County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Franklin County, TN, Gibson County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Moore County, TN, Perry County, TN, Rutherford County, TN, Shelby County, TN, Smith County, TN, Tipton County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN
The radar
The Memphis radar (KNQA), 99 km from the middle of the area, began a volume at 20:56 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
Little Rock, AR (KBYH), launched 12:00Z, 9.0 hours before the alert went out and 119 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
- 875 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 136 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 |
|---|---|---|---|---|
| Jul 14, 12:10 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Jackson and 4 more | 2 hr |
| Jul 14, 1:22 PM CDT | Severe Thunderstorm Watch | SPC | Cleburne, Conway, Craighead, Crittenden, Cross, Faulkner and 27 more | 7 hr |
| Jul 14, 5:53 PM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Jefferson, Lee, Lonoke, Mississippi and 4 more | 97 min |
| Jul 13, 10:04 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dent, Howell and 16 more | 86 min |
| Jul 14, 10:56 AM CDT | Mesoscale Discussion | SPC | Audrain, Bates, Benton, Boone, Callaway, Cass and 22 more | 94 min |
| Jul 14, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 25 more | 6 hr |
| Jul 14, 1:10 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Cedar, Christian, Dade, Dallas and 10 more | 2 hr |
| Jul 14, 2:21 PM CDT | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Crawford, Dent, Franklin, Gasconade and 13 more | 54 min |
| Jul 14, 11:50 AM CDT | Mesoscale Discussion | SPC | Carter, Johnson | 85 min |
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.