Alert archive / Tennessee / Mesoscale Discussions in 2008
Mesoscale Discussion 776
The Storm Prediction Center issued this mesoscale discussion at May 2, 2008, 3:35 PM CDT for 5 states. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- May 2, 2008, 3:35 PM CDT (20:35 UTC)
- Expired
- May 2, 2008, 5:00 PM CDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 102 counties
Colbert County, AL, Lauderdale County, AL, Arkansas County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, Allen County, KY, Barren County, KY, Breckinridge County, KY, Butler County, KY, Christian County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Larue County, KY, Logan County, KY, Meade County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Alcorn County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Washington County, MS, Yalobusha County, MS, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Gibson 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, Macon County, TN, Madison County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Shelby County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN
The radar
The Memphis radar (KNQA), 114 km from the middle of the area, began a volume at 20:39 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 8.6 hours before the alert went out and 144 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
- 1314 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 532 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 3.8
- Supercell composite
- 15.3
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 |
|---|---|---|---|---|
| May 2, 4:43 PM CDT | Tornado Watch | SPC | Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 6 more | 7 hr |
| May 2, 1:09 AM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 7 hr |
| May 2, 4:22 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Crawford, Franklin, Johnson, Logan and 6 more | 53 min |
| May 2, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clark, Cleburne, Conway, Faulkner and 25 more | 5 hr |
| May 2, 7:07 AM CDT | Mesoscale Discussion | SPC | Cleburne, Conway, Faulkner, Fulton, Hot Spring, Izard and 5 more | 53 min |
| May 2, 8:49 AM CDT | Tornado Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 43 more | 6 hr |
| May 2, 10:20 AM CDT | Mesoscale Discussion | SPC | Arkansas, Calhoun, Clark, Clay, Cleveland, Craighead and 23 more | 85 min |
| May 2, 12:12 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 18 more | 2 hr |
| May 2, 1:54 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Chicot, Crittenden, Cross and 8 more | 6 hr |
| May 2, 5:18 PM CDT | Tornado Watch | SPC | Columbia, Union | 6 hr |
| May 2, 10:44 AM CDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 9 hr |
| May 2, 2:21 PM CDT | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Copiah, Covington, Forrest and 24 more | 114 min |
Nearby
Mesoscale Discussions in Tennessee, 2008Mesoscale Discussions in Mississippi, 2008Mesoscale Discussions in Kentucky, 2008Every mesoscale discussion in 2008
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.