Alert archive / Louisiana / Tornado Warnings in 1989

Tornado Warning 9, NWS New Orleans, LA

June 8, 1989Iberville Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jun 8, 1989, 7:49 AM CDT for Iberville Parish, West Baton Rouge Parish, Louisiana. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1989, 7:49 AM CDT (12:49 UTC)
Expired
Jun 8, 1989, 8:45 AM CDT
In force
56 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Iberville Parish, LA, West Baton Rouge 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, 0.8 hours before the alert went out and 157 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 1989-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2984 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1989-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBTR 081251
TORBTR
LAC047-121-081345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
749 AM CDT THU JUN 8 1989
 
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 AM CDT
FOR PEOPLE IN THE FOLLOWING PARISHES...
 
IN EAST CENTRAL LOUISIANA
          ...NORTHERN IBERVILLE...WEST BATON ROUGE
 
A FUNEL CLOUD WAS REPORTED BY THE PUBLIC 10 MILES SOUTHWEST OF METRO
AIRPORT NEAR GROSS TETE MOVING EAST AT 35 MPH.
 
 
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR.  GET TO
A BASEMENT IF ONE IS AVAILABLE.  AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBERIS WITH CUSHIONS...BLANKETS...OR PILLOWS.

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, Jun 8, 3:48 AM CDT, 4 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
350 AM CDT THU JUN 8 1989

...THE TORNADO WATCH FOR EAST CENTRAL LOUISIANA HAS BEEN CANCELLED...

RADAR SHOWED AN AREA OF THUNDERSTORMS EXTENDING SOUTH FROM HATTIESBURG
TO GULFPORT.  ISOLATED SHOWERS HAD DEVELOPED FROM NATCHEZ TO THE
VICINITY OF ALEXANDRIA.  MOVEMENT WAS EAST AT 20 MPH.
Special weather statement, Jun 8, 4:00 AM CDT, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
400 AM CDT THU JUN 8 1989

...THE TORNADO WATCH FOR SOUTHEAST LOUISIANA HAS BEEN CANCELLED...

RADAR SHOWED AND AREA OF THUNDERSTORMS OVER SOUTH MISSISSIPPI FROM
LAUREL TO GULFPORT MISSISSIPPI. ALSO LIGHT RAIN HAS DEVELOPED NEAR
MC COMB MISSISSIPPI EXTENDING SOUTHWEST TO NEAR BATON ROUGE.

MOVEMENT WAS TO THE EAST AT 20 MILES AN HOUR.
Special weather statement, Jun 8, 4:35 AM CDT, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
435 AM CDT THU JUN 8 1989

STRONG THUNDERSTORMS CONTINUED OVER SOUTH MISSISSIPPI AND SOUTHWEST
ALABAMA AND ADJOINING COASTAL WATERS 20 MILES NORTH OF MOBILE ALABAMA
EXTENDING SOUTH INTO MOBILE SOUND AND 30 MILES OFFSHORE. THESE
THUNDERSTORMS MAY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY WINDS...
AND DANGEROUS LIGHTNING.

ALSO SCATTERED SHOWERS AND THUNDERSTORMS HAD DSEVELOPED OVER SOUTHEAST
LOUISIANA BETWEEN ALEXANDRIA AND BATON ROUGE EXTENDING NORTHEAST TO
BETWEEN NATCHEZ AND TYLERTOWN MISSISSIPPI.

MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR.
Special weather statement, Jun 8, 5:41 AM CDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
540 AM CDT THU JUN 8 1989

SCATTERED THUNDERSTORMS AND LIGHT RAIN CONTINUED OVER SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI...AND SOUTHWEST ALABAMA.

THE STRONGEST THUNDERSTORMS WERE LOCATED BETWEEN AMITE AND KENTWOOD
...10 MILES WEST OF HATTIESBURG MISSISSIPPI...AND 30 MILES SOUTHEAST
OF MOBILE ALABAMA. THESE THUNDERSTORMS MAY PRODUCE HEAVY RAIN...SMALL
HAIL...GUSTY WINDS...AND DANGEROUS LIGHTNING.

MOVEMENT WAS TO THE EAST TO NORTHEAST AT 25 MILES AN HOUR.
Local storm report, Jun 8, 6:18 AM CDT, 1 hour 31 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
615 AM CDT THU JUN 8 1989

ATTN SELS...

200 AM CDT...WIND GUSTS OF 66 KNOTS WAS REPORTED MIDDLE OF LAKE
PONTCHARTRAIN.

225 AM CDT...WIND GUSTS OF 41 KNOTS WAS REPORTED EAST PORTION OF
LAKE PONTCHARTRAIN.
Special weather statement, Jun 8, 7:39 AM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
740 AM CDT THU JUN 8 1989

SCATTERED THUNDERSTORMS AND LIGHT RAIN CONTINUED OVER SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI...AND SOUTHWEST ALABAMA.

THE STRONGEST THUNDERSTORMS WERE LOCATED 20 MILES EAST OF BATON ROUGE
...NEAR WIGGINS MISSISSIPPI...AND 20 MILES EAST OF MC COMB MISSISSIPPI.
THESE THUNDERSTORMS MAY PRODUCE HEAVY RAIN...SMALL HAIL...GUSTY WINDS
...AND D/ANGEROUS LIGHTNING.

MOVEMENT WAS TO THE EAST TO NORTHEAST AT 25 MILES AN HOUR.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 12:53 AM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Livingston67 min
Jun 8, 6:35 AM CDTTornado WarningLIXEast Baton Rouge, West Baton Rouge40 min
Jun 8, 6:46 AM CDTTornado WarningLIXLivingston, Saint Helena59 min
Jun 8, 7:25 AM CDTTornado WarningLIXEast Baton Rouge, Livingston65 min
Jun 8, 8:03 AM CDTTornado WarningLIXTangipahoa57 min
Jun 8, 8:04 AM CDTTornado WarningLIXEast Baton Rouge56 min
Jun 8, 8:21 AM CDTTornado WarningLIXLivingston69 min
Jun 8, 8:31 AM CDTTornado WarningLIXWashington59 min
Jun 8, 8:55 AM CDTTornado WarningLIXTangipahoa65 min
Jun 8, 9:03 AM CDTSevere Thunderstorm WarningLIXAscension, Iberville57 min
Jun 8, 9:28 AM CDTTornado WarningLIXWashington32 min
Jun 8, 9:47 AM CDTSevere Thunderstorm WarningLIXAssumption, Saint Martin, St. Mary58 min
Jun 8, 10:12 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Washington63 min
Jun 8, 10:23 AM CDTSevere Thunderstorm WarningLIXTangipahoa67 min
Jun 8, 11:27 AM CDTSevere Thunderstorm WarningLIXSaint Bernard63 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.