Alert archive / Louisiana / Tornado Warnings in 1989
Tornado Warning 11, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jun 8, 1989, 8:04 AM CDT for East Baton Rouge Parish, Louisiana. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1989, 8:04 AM CDT (13:04 UTC)
- Expired
- Jun 8, 1989, 9:00 AM CDT
- In force
- 56 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County East 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, 1.1 hours before the alert went out and 138 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 16 minutes 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, 4 hours 4 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 29 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 23 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 46 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, 25 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.
| 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, 8:21 AM CDT | Tornado Warning | LIX | Livingston | 69 min |
| Jun 8, 8:31 AM CDT | Tornado Warning | LIX | Washington | 59 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.