Alert archive / Mississippi / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 11
The Storm Prediction Center issued this severe thunderstorm watch at Jan 29, 2001, 11:30 AM CST for 5 counties in Alabama; 14 parishes in Louisiana; 35 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 29, 2001, 11:30 AM CST (17:30 UTC)
- Expired
- Jan 29, 2001, 4:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Choctaw County, AL, Greene County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Ascension Parish, LA, Assumption Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Attala County, MS, Choctaw County, MS, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lowndes County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Webster County, MS, Winston County, MS
Warnings issued inside it
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 11:33 AM CST | Tornado Warning | LIX | Livingston | 27 min |
| Jan 29, 11:43 AM CST | Tornado Warning | LIX | Tangipahoa | 32 min |
| Jan 29, 11:44 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 61 min |
| Jan 29, 11:44 AM CST | Severe Thunderstorm Warning | LIX | Saint Charles, Saint James, Saint John the Baptist | 61 min |
| Jan 29, 11:56 AM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Simpson | 64 min |
| Jan 29, 11:59 AM CST | Severe Thunderstorm Warning | JAN | Leake, Scott | 46 min |
| Jan 29, 12:02 PM CST | Tornado Warning | LIX | Walthall | 28 min |
| Jan 29, 12:06 PM CST | Tornado Warning | LIX | Washington | 39 min |
| Jan 29, 12:11 PM CST | Severe Thunderstorm Warning | JAN | Smith | 49 min |
| Jan 29, 12:14 PM CST | Severe Thunderstorm Warning | JAN | Marion | 46 min |
| Jan 29, 12:18 PM CST | Tornado Warning | LIX | Tangipahoa | 27 min |
| Jan 29, 12:28 PM CST | Severe Thunderstorm Warning | JAN | Covington | 47 min |
| Jan 29, 12:32 PM CST | Severe Thunderstorm Warning | JAN | Neshoba, Newton | 43 min |
| Jan 29, 12:35 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 55 min |
| Jan 29, 12:35 PM CST | Severe Thunderstorm Warning | LIX | Hancock | 55 min |
| Jan 29, 12:44 PM CST | Severe Thunderstorm Warning | JAN | Lamar | 46 min |
| Jan 29, 12:45 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Saint Charles, Saint John the Baptist | 90 min |
| Jan 29, 12:45 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 90 min |
| Jan 29, 12:51 PM CST | Severe Thunderstorm Warning | JAN | Jasper, Jones | 39 min |
| Jan 29, 1:05 PM CST | Severe Thunderstorm Warning | JAN | Forrest | 40 min |
| Jan 29, 1:12 PM CST | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale | 63 min |
| Jan 29, 1:18 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 57 min |
| Jan 29, 1:30 PM CST | Severe Thunderstorm Warning | JAN | Jasper, Jones | 15 min |
| Jan 29, 1:44 PM CST | Severe Thunderstorm Warning | BMX | Sumter | 46 min |
| Jan 29, 1:45 PM CST | Severe Thunderstorm Warning | JAN | Forrest | 15 min |
| Jan 29, 2:03 PM CST | Severe Thunderstorm Warning | BMX | Pickens | 42 min |
| Jan 29, 2:05 PM CST | Severe Thunderstorm Warning | MOB | Wayne | 25 min |
| Jan 29, 2:18 PM CST | Severe Thunderstorm Warning | LIX | Hancock, Harrison | 42 min |
| Jan 29, 2:38 PM CST | Severe Thunderstorm Warning | BMX | Greene | 37 min |
| Jan 29, 2:54 PM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 66 min |
| Jan 29, 2:55 PM CST | Severe Thunderstorm Warning | MOB | Greene | 35 min |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.5 hours before the alert went out and 96 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
- 26 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 |
|---|---|---|---|---|
| Jan 29, 3:00 PM CST | Severe Thunderstorm Watch | SPC | Autauga, Baldwin, Bibb, Butler, Chilton, Clarke and 20 more | 4 hr |
| Jan 29, 3:45 AM CST | Severe Thunderstorm Watch | SPC | Beauregard, Bienville, Bossier, Caddo, Calcasieu, Caldwell and 14 more | 5 hr |
| Jan 29, 8:00 AM CST | Severe Thunderstorm Watch | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Caldwell and 27 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2001Severe Thunderstorm Watches in Louisiana, 2001Severe Thunderstorm Watches in Alabama, 2001Every severe thunderstorm watch in 2001
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.