Alert archive / Mississippi / Tornado Watches in 1999
Tornado Watch 217
The Storm Prediction Center issued this tornado watch at May 5, 1999, 5:00 PM CDT for Lee County, Phillips County, Arkansas; 52 counties in Mississippi. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 5, 1999, 5:00 PM CDT (22:00 UTC)
- Expired
- May 5, 1999, 9:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Lee County, AR, Phillips County, AR, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS
Warnings issued inside it
51 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 5:09 PM CDT | Severe Thunderstorm Warning | MEG | Phillips | 51 min |
| May 5, 5:11 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 49 min |
| May 5, 5:25 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tunica | 45 min |
| May 5, 5:28 PM CDT | Severe Thunderstorm Warning | MEG | Tallahatchie | 47 min |
| May 5, 5:35 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 50 min |
| May 5, 5:36 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 49 min |
| May 5, 5:53 PM CDT | Tornado Warning | MEG | Panola, Tallahatchie | 32 min |
| May 5, 6:02 PM CDT | Tornado Warning | MEG | DeSoto | 33 min |
| May 5, 6:03 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 47 min |
| May 5, 6:05 PM CDT | Severe Thunderstorm Warning | MEG | Yalobusha | 35 min |
| May 5, 6:07 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 48 min |
| May 5, 6:13 PM CDT | Tornado Warning | MEG | Lafayette | 32 min |
| May 5, 6:15 PM CDT | Tornado Warning | JAN | Issaquena | 50 min |
| May 5, 6:17 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 48 min |
| May 5, 6:20 PM CDT | Tornado Warning | JAN | Sharkey | 50 min |
| May 5, 6:22 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 33 min |
| May 5, 6:26 PM CDT | Tornado Warning | JAN | Leflore | 49 min |
| May 5, 6:30 PM CDT | Tornado Warning | JAN | Sunflower | 50 min |
| May 5, 6:33 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 52 min |
| May 5, 6:39 PM CDT | Tornado Warning | JAN | Humphreys | 51 min |
| May 5, 6:39 PM CDT | Tornado Warning | MEG | Marshall | 36 min |
| May 5, 6:44 PM CDT | Severe Thunderstorm Warning | MEG | Lafayette | 46 min |
| May 5, 6:45 PM CDT | Severe Thunderstorm Warning | MEG | Benton | 50 min |
| May 5, 6:47 PM CDT | Tornado Warning | JAN | Yazoo | 48 min |
| May 5, 6:58 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 47 min |
| May 5, 6:59 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 51 min |
| May 5, 7:04 PM CDT | Tornado Warning | MEG | Lafayette | 31 min |
| May 5, 7:06 PM CDT | Tornado Warning | JAN | Holmes | 49 min |
| May 5, 7:09 PM CDT | Tornado Warning | MEG | Pontotoc, Union | 46 min |
| May 5, 7:14 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 51 min |
| May 5, 7:15 PM CDT | Tornado Warning | JAN | Carroll, Leflore | 50 min |
| May 5, 7:21 PM CDT | Severe Thunderstorm Warning | JAN | Grenada | 49 min |
| May 5, 7:31 PM CDT | Tornado Warning | JAN | Humphreys | 49 min |
| May 5, 7:34 PM CDT | Severe Thunderstorm Warning | MEG | Alcorn, Prentiss | 31 min |
| May 5, 7:37 PM CDT | Tornado Warning | JAN | Grenada, Montgomery | 48 min |
| May 5, 7:44 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 46 min |
| May 5, 7:47 PM CDT | Tornado Warning | JAN | Attala | 48 min |
| May 5, 7:49 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 51 min |
| May 5, 7:50 PM CDT | Severe Thunderstorm Warning | MEG | Tishomingo | 45 min |
| May 5, 8:00 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 50 min |
| May 5, 8:02 PM CDT | Severe Thunderstorm Warning | JAN | Carroll | 48 min |
| May 5, 8:05 PM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 50 min |
| May 5, 8:21 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Montgomery, Webster | 49 min |
| May 5, 8:41 PM CDT | Severe Thunderstorm Warning | JAN | Clay, Oktibbeha | 49 min |
| May 5, 8:46 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys | 49 min |
| May 5, 8:51 PM CDT | Flash Flood Warning | JAN | Carroll, Holmes, Humphreys | 119 min |
| May 5, 8:51 PM CDT | Flash Flood Warning | JAN | Issaquena | 119 min |
| May 5, 8:51 PM CDT | Flash Flood Warning | JAN | Sharkey | 119 min |
| May 5, 8:51 PM CDT | Flash Flood Warning | JAN | Montgomery | 119 min |
| May 5, 8:52 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 48 min |
| May 5, 9:00 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes | 50 min |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 104 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
- 2115 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 3.8
- Supercell composite
- 12.7
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 5, 7:45 AM CDT | Tornado Watch | SPC | Arkansas, Ashley, Chicot, Desha, Drew, Lee and 4 more | 6 hr |
| May 5, 2:00 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 29 more | 7 hr |
Nearby
Tornado Watches in Mississippi, 1999Tornado Watches in Arkansas, 1999Every tornado watch in 1999
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.