Alert archive / Tennessee / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 284
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2000, 10:45 PM CDT for 5 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2000, 10:45 PM CDT (03:45 UTC)
- Expired
- May 13, 2000, 5:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Chicot County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Lincoln County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, East Carroll Parish, LA, Morehouse Parish, LA, Union Parish, LA, West Carroll Parish, LA, Dunklin County, MO, Pemiscot County, MO, Benton County, MS, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Issaquena County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN
The radar
The Little Rock radar (KLZK), 144 km from the middle of the area, began a volume at 03:47 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.
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 11:10 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 50 min |
| May 12, 11:29 PM CDT | Tornado Warning | LZK | Arkansas | 46 min |
| May 12, 11:34 PM CDT | Flash Flood Warning | LZK | Arkansas | 116 min |
| May 12, 11:53 PM CDT | Severe Thunderstorm Warning | LZK | Desha | 37 min |
| May 13, 12:05 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 40 min |
| May 13, 12:08 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 37 min |
| May 13, 12:13 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower, Washington | 47 min |
| May 13, 12:33 AM CDT | Severe Thunderstorm Warning | JAN | Leflore | 42 min |
| May 13, 1:09 AM CDT | Severe Thunderstorm Warning | MEG | Lafayette, Panola | 51 min |
| May 13, 1:11 AM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 49 min |
| May 13, 2:25 AM CDT | Severe Thunderstorm Warning | OHX | Montgomery, Stewart | 50 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 3.8 hours before the alert went out and 111 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
- 2626 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Clark, Clay, Cleburne, Cleveland, Columbia and 32 more | 5 hr |
| May 12, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Butler, Cape Girardeau, Mississippi, New Madrid, Perry and 4 more | 5 hr |
| May 12, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | Mississippi, New Madrid | 6 hr |
| May 13, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Bedford, Bledsoe, Cannon, Cheatham, Clay, Coffee and 38 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Mississippi, 2000Severe Thunderstorm Watches in Arkansas, 2000Every severe thunderstorm watch in 2000
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.