Alert archive / Louisiana / Tornado Warnings in 1989
Tornado Warning 13, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jun 8, 1989, 8:31 AM CDT for Washington Parish, Louisiana. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1989, 8:31 AM CDT (13:31 UTC)
- Expired
- Jun 8, 1989, 9:30 AM CDT
- In force
- 59 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Washington Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.5 hours before the alert went out and 75 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
- 2984 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 4.9
- Supercell composite
- 26.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNEW 081333
TORNEW
LAC117-081430-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
831 AM CDT THU JUN 8 1989
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 930 AM CDT
FOR PEOPLE IN THE FOLLOWING PARISH...
IN SOUTHEAST LOUISIANA
...WASHINGTON
AT 827 AM RADAR INDICATED A SEVERE THUNDERSTORM WITH A POSSIBLE
TORNADO JUST NORTHEAST OF AMITE IN TANGIPAHOA PARISH. THE THUNDERSTORM
IS MOVING EAST NORTHEAST AT 20 MILES AN HOUR AND WILL BE AFFECTING THE
WESTERN PORTION OF WASHINGTON PARISH INCLUDING THE FRANKLINTON AREA IN
THE NEXT HOUR.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.\The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 12:53 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston | 67 min |
| Jun 8, 6:35 AM CDT | Tornado Warning | LIX | East Baton Rouge, West Baton Rouge | 40 min |
| Jun 8, 6:46 AM CDT | Tornado Warning | LIX | Livingston, Saint Helena | 59 min |
| Jun 8, 7:25 AM CDT | Tornado Warning | LIX | East Baton Rouge, Livingston | 65 min |
| Jun 8, 7:49 AM CDT | Tornado Warning | LIX | Iberville, West Baton Rouge | 56 min |
| Jun 8, 8:03 AM CDT | Tornado Warning | LIX | Tangipahoa | 57 min |
| Jun 8, 8:04 AM CDT | Tornado Warning | LIX | East Baton Rouge | 56 min |
| Jun 8, 8:21 AM CDT | Tornado Warning | LIX | Livingston | 69 min |
| Jun 8, 8:55 AM CDT | Tornado Warning | LIX | Tangipahoa | 65 min |
| Jun 8, 9:03 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Iberville | 57 min |
| Jun 8, 9:28 AM CDT | Tornado Warning | LIX | Washington | 32 min |
| Jun 8, 9:47 AM CDT | Severe Thunderstorm Warning | LIX | Assumption, Saint Martin, St. Mary | 58 min |
| Jun 8, 10:12 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 63 min |
| Jun 8, 10:23 AM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa | 67 min |
| Jun 8, 11:27 AM CDT | Severe Thunderstorm Warning | LIX | Saint Bernard | 63 min |
Nearby
Tornado Warnings in Louisiana, 1989Every tornado warning in 1989Tornadoes in 1989
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.