Alert archive / Louisiana / Tornado Watches in 1998
Tornado Watch 31
The Storm Prediction Center issued this tornado watch at Feb 10, 1998, 4:45 PM CST for 24 parishes in Louisiana; 18 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 10, 1998, 4:45 PM CST (22:45 UTC)
- Expired
- Feb 10, 1998, 10:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Pointe Coupee Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Terrebonne Parish, LA, Vermilion Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Jefferson 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, Pike County, MS, Simpson County, MS, Walthall County, MS, Wilkinson County, MS
Warnings issued inside it
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 5:00 PM CST | Severe Thunderstorm Warning | JAN | Adams | 30 min |
| Feb 10, 5:05 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 60 min |
| Feb 10, 5:10 PM CST | Severe Thunderstorm Warning | LCH | Vermilion | 60 min |
| Feb 10, 5:10 PM CST | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 60 min |
| Feb 10, 5:24 PM CST | Severe Thunderstorm Warning | LCH | Lafayette | 46 min |
| Feb 10, 5:25 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Issaquena, Warren | 35 min |
| Feb 10, 5:25 PM CST | Severe Thunderstorm Warning | JAN | Jefferson | 35 min |
| Feb 10, 5:42 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Saint Landry | 33 min |
| Feb 10, 5:59 PM CST | Tornado Warning | LCH | Saint Landry | 36 min |
| Feb 10, 6:00 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Iberville, West Baton Rouge | 60 min |
| Feb 10, 6:00 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 60 min |
| Feb 10, 6:09 PM CST | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin | 46 min |
| Feb 10, 6:09 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 66 min |
| Feb 10, 6:09 PM CST | Severe Thunderstorm Warning | JAN | Franklin | 66 min |
| Feb 10, 6:14 PM CST | Severe Thunderstorm Warning | LCH | Vermilion | 31 min |
| Feb 10, 6:50 PM CST | Severe Thunderstorm Warning | LCH | St. Mary | 60 min |
| Feb 10, 6:56 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena, West Baton Rouge | 64 min |
| Feb 10, 6:56 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 64 min |
| Feb 10, 7:09 PM CST | Severe Thunderstorm Warning | JAN | Copiah | 66 min |
| Feb 10, 7:16 PM CST | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 64 min |
| Feb 10, 7:30 PM CST | Severe Thunderstorm Warning | LCH | Saint Martin | 50 min |
| Feb 10, 7:38 PM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption | 62 min |
| Feb 10, 8:00 PM CST | Severe Thunderstorm Warning | LIX | Iberville | 65 min |
| Feb 10, 8:00 PM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint John the Baptist, Tangipahoa | 65 min |
| Feb 10, 8:00 PM CST | Severe Thunderstorm Warning | LIX | Saint James | 65 min |
| Feb 10, 8:07 PM CST | Severe Thunderstorm Warning | JAN | Simpson | 38 min |
| Feb 10, 8:12 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 63 min |
| Feb 10, 8:27 PM CST | Severe Thunderstorm Warning | LIX | Pike, Walthall | 63 min |
| Feb 10, 8:39 PM CST | Severe Thunderstorm Warning | JAN | Lawrence, Lincoln | 36 min |
| Feb 10, 9:02 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 63 min |
| Feb 10, 9:02 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche, Orleans, Saint Charles | 63 min |
| Feb 10, 9:26 PM CST | Severe Thunderstorm Warning | JAN | Marion | 34 min |
| Feb 10, 9:33 PM CST | Severe Thunderstorm Warning | LIX | Pearl River | 62 min |
| Feb 10, 9:36 PM CST | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 54 min |
| Feb 10, 9:45 PM CST | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 45 min |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.8 hours before the alert went out and 143 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
- 45 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 451 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Feb 10, 9:15 AM CST | Severe Thunderstorm Watch | SPC | Bossier, Caddo, Claiborne, De Soto, Red River, Webster | 6 hr |
| Feb 10, 10:00 AM CST | Tornado Watch | SPC | Sabine | 6 hr |
| Feb 10, 1:00 PM CST | Tornado Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 10 more | 6 hr |
| Feb 10, 2:45 PM CST | Tornado Watch | SPC | Bienville, Bossier, Caldwell, Catahoula, Claiborne, De Soto and 17 more | 6 hr |
| Feb 10, 5:00 PM CST | Tornado Watch | SPC | East Carroll, Madison, Tensas | 6 hr |
Nearby
Tornado Watches in Louisiana, 1998Tornado Watches in Mississippi, 1998Every tornado watch in 1998
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.