Alert archive / Mississippi / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 183
The Storm Prediction Center issued this severe thunderstorm watch at Apr 29, 2002, 3:30 PM CDT for 11 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 21 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2002, 3:30 PM CDT (20:30 UTC)
- Expired
- Apr 29, 2002, 8:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Baldwin County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Attala County, MS, Clarke County, MS, Covington County, MS, Greene County, MS, Hinds County, MS, Holmes County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Wayne County, MS, Yazoo County, MS
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 3:32 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 13 min |
| Apr 29, 4:06 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 39 min |
| Apr 29, 6:52 PM CDT | Severe Thunderstorm Warning | JAN | Covington | 38 min |
| Apr 29, 7:11 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 34 min |
| Apr 29, 7:39 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jones | 36 min |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 133 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
- 868 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Blount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 19 more | 4 hr |
| Apr 29, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 17 more | 4 hr |
| Apr 29, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Bolivar, Coahoma, Humphreys, Leflore, Quitman, Sunflower and 2 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2002Severe Thunderstorm Watches in Alabama, 2002Severe Thunderstorm Watches in Florida, 2002Every severe thunderstorm watch in 2002
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.