Alert archive / Tennessee / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 598
The Storm Prediction Center issued this severe thunderstorm watch at Jul 20, 2000, 12:45 PM CDT for 5 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2000, 12:45 PM CDT (17:45 UTC)
- Expired
- Jul 20, 2000, 5:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 75 counties
Arkansas County, AR, Cleveland County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, Woodruff County, AR, Calloway County, KY, Fulton County, KY, Hickman County, KY, Dunklin County, MO, New Madrid County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union 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, Lake County, TN, Lauderdale County, TN, Lewis County, TN, Madison County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Shelby County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN
The radar
The Memphis radar (KNQA), 42 km from the middle of the area, began a volume at 17:47 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
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 12:52 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 23 min |
| Jul 20, 1:12 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 33 min |
| Jul 20, 1:35 PM CDT | Severe Thunderstorm Warning | MEG | Tipton | 10 min |
| Jul 20, 1:49 PM CDT | Severe Thunderstorm Warning | MEG | Haywood, Tipton | 26 min |
| Jul 20, 1:50 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 25 min |
| Jul 20, 2:01 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Marshall | 29 min |
| Jul 20, 2:24 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman | 36 min |
| Jul 20, 2:31 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Tippah | 29 min |
| Jul 20, 2:35 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Madison | 25 min |
| Jul 20, 2:49 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Hardin, McNairy | 26 min |
| Jul 20, 2:52 PM CDT | Severe Thunderstorm Warning | OHX | Benton | 38 min |
| Jul 20, 2:56 PM CDT | Severe Thunderstorm Warning | MEG | Decatur, Henderson | 49 min |
| Jul 20, 2:59 PM CDT | Severe Thunderstorm Warning | MEG | Alcorn, Tippah | 46 min |
| Jul 20, 3:09 PM CDT | Severe Thunderstorm Warning | OHX | Humphreys, Perry, Wayne | 51 min |
| Jul 20, 3:12 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 33 min |
| Jul 20, 3:22 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss | 23 min |
| Jul 20, 3:35 PM CDT | Severe Thunderstorm Warning | MEG | Tishomingo | 25 min |
| Jul 20, 3:48 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lewis | 42 min |
| Jul 20, 3:57 PM CDT | Severe Thunderstorm Warning | OHX | Lawrence, Wayne | 48 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 5.8 hours before the alert went out and 24 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
- 1974 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Jul 20, 9:45 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Conway, Craighead and 32 more | 5 hr |
| Jul 20, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Attala, Chickasaw, Choctaw, Clay, Itawamba, Lee and 8 more | 4 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.