Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 40, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Feb 10, 1998, 9:02 PM CST for 4 parishes in Louisiana. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 10, 1998, 9:02 PM CST (03:02 UTC)
- Expired
- Feb 10, 1998, 10:05 PM CST
- In force
- 63 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Jefferson Parish, LA, Lafourche Parish, LA, Orleans Parish, LA, Saint Charles Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 10, 9:33 PM CST | Thunderstorm Wind 50 | New Orleans, LA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 10, 4:45 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 3.0 hours before the alert went out and 282 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
- 394 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 369 m²/s²
- 0-3 km storm-relative helicity
- 476 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 3.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 6:56 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, 7:38 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, 8:12 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 63 min |
| Feb 10, 9:02 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 63 min |
| Feb 10, 9:49 PM CST | Severe Thunderstorm Warning | LIX | Plaquemines, Saint Bernard | 66 min |
| Feb 10, 11:00 PM CST | Severe Thunderstorm Warning | LIX | Plaquemines | 60 min |
| Feb 10, 7:16 PM CST | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 64 min |
| Feb 10, 8:27 PM CST | Severe Thunderstorm Warning | LIX | Pike, Walthall | 63 min |
| Feb 10, 9:33 PM CST | Severe Thunderstorm Warning | LIX | Pearl River | 62 min |
| Feb 10, 9:49 PM CST | Severe Thunderstorm Warning | LIX | Hancock | 66 min |
| Feb 10, 10:28 PM CST | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 62 min |
| Feb 10, 11:26 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 59 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.