Alert archive / Mississippi / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 168
The Storm Prediction Center issued this severe thunderstorm watch at Apr 25, 2003, 2:40 PM CDT for 9 parishes in Louisiana; 19 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2003, 2:40 PM CDT (19:40 UTC)
- Expired
- Apr 25, 2003, 8:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Ascension Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Livingston Parish, LA, Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, Amite County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS
Warnings issued inside it
30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 3:10 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 30 min |
| Apr 25, 3:34 PM CDT | Severe Thunderstorm Warning | JAN | Lawrence | 46 min |
| Apr 25, 3:51 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jones | 59 min |
| Apr 25, 3:57 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Marion | 43 min |
| Apr 25, 4:13 PM CDT | Tornado Warning | JAN | Jones | 42 min |
| Apr 25, 4:16 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 44 min |
| Apr 25, 4:38 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 52 min |
| Apr 25, 4:39 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis | 21 min |
| Apr 25, 4:47 PM CDT | Severe Thunderstorm Warning | JAN | Covington | 28 min |
| Apr 25, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 45 min |
| Apr 25, 4:52 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 48 min |
| Apr 25, 5:12 PM CDT | Tornado Warning | JAN | Forrest, Lamar | 38 min |
| Apr 25, 5:21 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 54 min |
| Apr 25, 5:28 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 47 min |
| Apr 25, 5:35 PM CDT | Tornado Warning | MOB | Perry | 40 min |
| Apr 25, 5:36 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 24 min |
| Apr 25, 5:38 PM CDT | Severe Thunderstorm Warning | JAN | Marion | 27 min |
| Apr 25, 5:38 PM CDT | Tornado Warning | MOB | Greene | 37 min |
| Apr 25, 5:55 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 30 min |
| Apr 25, 6:00 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 30 min |
| Apr 25, 6:08 PM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 37 min |
| Apr 25, 6:17 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry | 58 min |
| Apr 25, 6:24 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 46 min |
| Apr 25, 6:28 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 47 min |
| Apr 25, 6:49 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 26 min |
| Apr 25, 7:17 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 28 min |
| Apr 25, 7:21 PM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa | 24 min |
| Apr 25, 7:21 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry | 39 min |
| Apr 25, 7:30 PM CDT | Severe Thunderstorm Warning | MOB | George | 45 min |
| Apr 25, 7:45 PM CDT | Severe Thunderstorm Warning | LIX | Hancock, Pearl River | 30 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.7 hours before the alert went out and 110 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
- 1355 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 7:50 PM CDT | Tornado Watch | SPC | Concordia, East Carroll, Franklin, Madison, Morehouse, Richland and 2 more | 4 hr |
| Apr 24, 10:51 PM CDT | Mesoscale Discussion | SPC | Concordia, East Carroll, Franklin, Madison, Morehouse, Richland and 2 more | 84 min |
| Apr 25, 3:05 AM CDT | Mesoscale Discussion | SPC | Saint Tammany, Washington | 85 min |
| Apr 24, 9:03 PM CDT | Mesoscale Discussion | SPC | Bolivar, Coahoma, DeSoto, Panola, Quitman, Tallahatchie and 1 more | 117 min |
| Apr 24, 11:45 PM CDT | Tornado Watch | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 49 more | 5 hr |
| Apr 25, 1:15 AM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 51 more | 90 min |
| Apr 25, 11:04 AM CDT | Mesoscale Discussion | SPC | Alcorn, Itawamba, Lee, Prentiss, Tishomingo | 116 min |
| Apr 25, 12:59 PM CDT | Mesoscale Discussion | SPC | Clarke, Covington, Jasper, Jefferson Davis, Jones, Lamar and 5 more | 2 hr |
| Apr 25, 5:40 PM CDT | Tornado Watch | SPC | Covington, Forrest, George, Greene, Jefferson Davis, Jones and 6 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2003Severe Thunderstorm Watches in Louisiana, 2003Every severe thunderstorm watch in 2003
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.