Alert archive / Mississippi / Tornado Warnings in 1999
Tornado Warning 18, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Mar 2, 1999, 10:56 PM CST for Hancock County, Pearl River County, Mississippi. It was in force for 34 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, 10:56 PM CST (04:56 UTC)
- Expired
- Mar 2, 1999, 11:30 PM CST
- In force
- 34 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Hancock County, MS, Pearl River County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 2, 11:15 PM CST | Hail 0.75 | Waveland, MS | Dime size hail was reported by Emergency Management. |
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, 9:15 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 4.9 hours before the alert went out and 40 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
- 698 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KNEW 030452 RRA TORNEW MSC045-109-030530- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1056 PM CST TUE MAR 2 1999 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - SOUTHEASTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI - NORTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI * UNTIL 1130 PM CST * AT 1054 PM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ALONG THE PEARL RIVER AND HANCOCK COUNTY LINE...OR ABOUT 5 MILES NORTHWEST OF SELLERS. * THE STORM WILL AFFECT AREAS SOUTH OF SILVER RUN AND NORTH OF SELLERS. IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS IF YOU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
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 | Wilkinson | 60 min |
| Mar 2, 8:50 PM CST | Severe Thunderstorm Warning | LIX | Amite | 40 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, 11:57 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 33 min |
Nearby
Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes 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.