Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 36, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Mar 2, 1999, 8:50 PM CST for Amite County, Mississippi. It was in force for 40 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
- Mar 2, 1999, 8:50 PM CST (02:50 UTC)
- Expired
- Mar 2, 1999, 9:30 PM CST
- In force
- 40 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Amite County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 2, 9:15 PM CST | Thunderstorm Wind | Liberty, MS | Thunderstorm winds blew down several trees and power lines. |
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 |
|---|---|---|---|
| Mar 2, 4:30 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 2.8 hours before the alert went out and 145 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
- 119 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1658 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 |
|---|---|---|---|---|
| Mar 2, 8:25 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 60 min |
| Mar 2, 8:25 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee | 60 min |
| Mar 2, 9:23 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 47 min |
| Mar 2, 9:38 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 47 min |
| Mar 2, 9:47 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge | 28 min |
| Mar 2, 9:54 PM CST | Severe Thunderstorm Warning | LIX | Livingston | 46 min |
| Mar 2, 10:07 PM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption | 48 min |
| Mar 2, 10:34 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Saint James, Saint John the Baptist | 46 min |
| Mar 2, 10:34 PM CST | Severe Thunderstorm Warning | LIX | Terrebonne | 46 min |
| Mar 2, 10:40 PM CST | Severe Thunderstorm Warning | LIX | Livingston | 35 min |
| Mar 2, 11:05 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Saint Charles | 45 min |
| Mar 2, 11:26 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Orleans, Plaquemines | 49 min |
| Mar 2, 11:37 PM CST | Severe Thunderstorm Warning | LIX | Saint Bernard | 53 min |
| Mar 2, 11:51 PM CST | Tornado Warning | LIX | Plaquemines, Saint Bernard | 29 min |
| Mar 3, 12:08 AM CST | Severe Thunderstorm Warning | LIX | Terrebonne | 37 min |
| Mar 3, 12:23 AM CST | Severe Thunderstorm Warning | LIX | Plaquemines | 32 min |
| Mar 3, 12:25 AM CST | Tornado Warning | LIX | Saint Bernard | 25 min |
| Mar 2, 9:14 PM CST | Severe Thunderstorm Warning | LIX | Pike | 31 min |
| Mar 2, 9:29 PM CST | Severe Thunderstorm Warning | LIX | Walthall | 61 min |
| Mar 2, 10:56 PM CST | Tornado Warning | LIX | Hancock, Pearl River | 34 min |
| Mar 2, 11:57 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 33 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1999Every severe thunderstorm warning in 1999
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.