Alert archive / Louisiana / Tornado Warnings in 1999
Tornado Warning 1, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jan 2, 1999, 4:38 AM CST for Pointe Coupee Parish, Louisiana. It was in force for 32 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
- Jan 2, 1999, 4:38 AM CST (10:38 UTC)
- Expired
- Jan 2, 1999, 5:10 AM CST
- In force
- 32 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Pointe Coupee Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 2, 4:38 AM CST | Thunderstorm Wind | Lettsworth, LA | The Pointe Coupee Sheriff's Office reported several trees blown down. |
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 |
|---|---|---|---|
| Jan 2, 3:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.6 hours before the alert went out and 167 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
- 437 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 704 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KNEW 021037 RRA TORNEW LAC077-021110- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 438 AM CST SAT JAN 2 1999 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - POINTE COUPEE PARISH IN SOUTHEASTERN LOUISIANA * UNTIL 510 AM CST * AT 437 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 12 MILES WEST OF NEW ROADS MOVING EAST AT 40 MPH. * SOME LOCATIONS IN AND NEAR THE PATH OF THIS TORNADO ARE... NEW ROADS AT 454 AM CST 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 |
|---|---|---|---|---|
| Jan 2, 4:49 AM CST | Tornado Warning | LIX | West Feliciana | 31 min |
| Jan 2, 5:36 AM CST | Tornado Warning | LIX | East Feliciana, Saint Helena | 34 min |
| Jan 2, 6:26 AM CST | Tornado Warning | LIX | Tangipahoa, Washington | 34 min |
| Jan 2, 6:56 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Saint Charles, Saint John the Baptist | 34 min |
| Jan 2, 7:05 AM CST | Tornado Warning | LIX | Saint Charles, Saint John the Baptist | 30 min |
| Jan 2, 7:53 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 32 min |
| Jan 2, 8:09 AM CST | Tornado Warning | LIX | Saint Tammany | 16 min |
| Jan 2, 8:54 AM CST | Severe Thunderstorm Warning | LIX | Plaquemines | 21 min |
Nearby
Tornado Warnings in Louisiana, 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.