Alert archive / Louisiana / Tornado Warnings in 1989
Tornado Warning 2, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 29, 1989, 7:32 PM CDT for Catahoula Parish, Louisiana. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Apr 29, 1989, 7:32 PM CDT (00:32 UTC)
- Expired
- Apr 29, 1989, 8:00 PM CDT
- In force
- 28 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Catahoula 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
Jackson, MS (KJAN), launched 00:00Z, 0.5 hours before the alert went out and 182 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBTR 300045
TORBTR
LAC025-300100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
732 PM CDT APR 29 1989
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 800 PM CDT
FOR PEOPLE IN THE FOLLOWING PARISH...
IN EAST CENTRAL LOUISIANA
...SOUTHERN CATAHOULA
AT 725 PM CDT THE JONESVILLE SHERIFF OFFICE SPOTTED A TORNADO TOUCHING
GROUND SOUTH OF JONESVILLE. RADAR SHOWED A STRONG THUNDERSTORM IN THE
VICINITY OF JONESVILLE. THE THUNDERSTORM WAS MOVING SLOWLY EAST.
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. OTHERWIHSE...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.What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 29, 4:26 PM CDT, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 425 PM CDT SAT APR 29 1989 ...THUNDERSTORMS DEVELOPING IN EAST CENTRAL LOUISIANA... AT 420 PM RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS HAD DEVELOPED FROM SOUTHWEST OF PORT BARRE EAST TO SOUTHWEST OF BATON ROUGE. LITTLE MOVEMENT WAS SHOWN. VERY HEAVY RAINS WERE ASSOCIATED WITH THESE THUNDERSTORMS CAUSING LOCAL FLOODING OF STREETS AND OTHER LOW LYING AREAS. STRONG GUSTY WINDS AND HAIL ARE POSSIBLE. THUNDERSTORM DEVELOPMENT WILL CONTINUE THROUGH OUT THE AFTERNOON. PEOPLE IN EAST CENTRAL LOUISIANA SHOULD BE ALERT AND READY FOR QUICK ACTION IF SEVERE WEATHER IS SIGHTED.
Special weather statement, Apr 29, 5:20 PM CDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 520 PM CDT SAT APR 29 1989 ...SLOW MOVING THUNDERSTORMS OVER SECTIONS OF EAST CENTRAL LOUISIANA... AT 520 PM RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS CONTINUED NEAR PORT BARRE IN ST LANDRY PARISH AND A STRONG THUNDERSTORM HAD DEVELOPED OVER LOWER LIVINGSTON PARISH. THE THUNDERSTORMS WERE DRIFTING EAST. VERY HEAVY RAINS WERE ASSOCIATED WITH THESE THUNDERSTORMS CAUSING LOCAL FLOODING OF STREETS AND OTHER LOW LYING AREAS. STRONG GUSTY WINDS AND HAIL ARE POSSIBLE. THUNDERSTORM DEVELOPMENT WILL CONTINUE THROUGH OUT THE AFTERNOON. PEOPLE IN EAST CENTRAL LOUISIANA SHOULD BE ALERT AND READY FOR QUICK ACTION IF SEVERE WEATHER IS SIGHTED.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 7:59 PM CDT | Severe Thunderstorm Warning | LIX | Washington | 61 min |
| Apr 29, 8:55 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 65 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.