Alert archive / Louisiana / Flash Flood Warnings in 1989
Flash Flood Warning 4, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Jun 28, 1989, 7:57 AM CDT for Iberia Parish, Saint Martin Parish, St. Mary Parish, Louisiana. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1989, 7:57 AM CDT (12:57 UTC)
- Expired
- Jun 28, 1989, 10:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Iberia Parish, LA, Saint Martin Parish, LA, St. Mary 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.0 hours before the alert went out and 156 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
- 229 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KNEW 281258
FFWNEW
LAC045-099-101-281500-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
757 AM CDT WED JUN 28 1989
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT
FOR PEOPLE IN THE FOLLOWING PARISHES...
IN SOUTHEAST LOUISIANA
...IBERIA...ST.MARTIN...ST.MARY
RADAR AND SATELLITE INDICATE A LINE OF THUNDERSTORM EXTENDING
NORTHEAST TO SOUTHWEST ACROSS BATON ROUGE AND ACROSS IBERIA PARISH.
THIS LINE HAS BEEN STATIONARY FOR THE PAST SEVERAL HOURS WITH HEAVY
RAIN DREDGING THE AREA. HEAVY RAINS IN EXCESS OF FIVE INCHES HAVE BEEN
REPORTED AND FLASH FLOODING IS ALREADY OCCURING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.What forecasters said that day
The local office's own words before this flash flood 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 28, 3:47 AM CDT, 4 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 340 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATACH IS IN EFFECT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ASSUMPTION.. IBERIA.. NORTH SAFOURCHE.. ST JAMES ST JOHN THE BAPTIST.. ST MARTIN.. ST MARY AND TANGIPAHOA... A BAND OF THUNDERSTORMS WITH HEAVY RAIN WAS OCCURRING FROM JACKSON MISSISSIPPI SOUTHACROSS MC COMB TO BATON ROUGE TO MORGAN CITY TO THE COASTLINE SOUTH OF HOUMA. THE AREA IS MOVING SLOWLY EAST. PEOPLE IN OR NEAR THE WATCH AEA ARE ADVISED TO CONTINUE TO MONITOR TGEIR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER RADIO. BE PREPARED TO PROTECT LIFE AND PROPERTY IN THE EVENT" THAT FLOODING BEGINS OR A WARNING IS ISSUED. ELSEWHERE SCATTERED THUNDERSTORMS WITH PATCHY LIGHT RAIN CONTINUED ACROSS EAST CENTRAL AND SOUTHCENTRAL LOUISIANA.
Special weather statement, Jun 28, 4:41 AM CDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 440 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ASSUMPTION.. IBERIA.. NORTH LAFOURCHE.. ST JAMES ST JOHN THE BAPTIST.. ST MARTIN.. ST MARY AND TANGIPAHOA... A BAND OF THUNDERSTORMS WITH HEAVY RAIN WAS OCCURRING FROM JACKSON MISSISSIPPI SOUTH TO JUST WEST OF MC COMB. LARGE PATCHES OF LIGHT RAIN WITH SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED ACROSS A LARGE PART OF EAST CENTRAL AND SOUTH CENTRAL LOUISIANA. PEOPLE IN OR NEAR THE WATCH AEA ARE ADVISED TO CONTINUE TO MONITOR THEIR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHE[R RADIO. BE PREPARED TO PROTECT LIFE AND PROPERTY IN THE EVENT THAT FLOODING BEGINS OR A WARNING IS ISSUED. ELSEWHERE SCATTERED THUNDERSTORMS WITH PATCHY LIGHT RAIN CONTINUED ACROSS EAST CENTRAL AND SOUTHCENTRAL LOUISIANA.
Special weather statement, Jun 28, 4:43 AM CDT, 3 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 440 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL LOUISIANA FOR TODAY... RADAR SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN WEST OF A LINE FROM JACKSON MS TO MC COMB MS TO DENHAM SPRING TO NEAR HOUMA. THE AREA EXTENDED WESTWARD TO NEAR A FORT POLK/LAKE CHARLES LINE. HEAVY RAINS CONTINUE MOVING NORTHWARD ACROSS MUCH OF EAST CENTRAL LOUISIANA WEST OF THE BATON ROUGE METROPOLITAN AREA. THIS HAS RESULTED IN THE FLOODING OF STREETS AND LOW LYING AREAS. IT HAS BEEN A WHILE SINCE THE LAST HEAVY RAIN PASSED OVER THE BATON ROUGE METROPOLITAN AREA...SO MOST OF THE STREETS HAVE BECOME PASSABLE. HOWEVER...RADAR SHOWED SIGNIFICANT RAINFALL TO THE SOUTH OF THE CITY AND THIS RAINFALL WILL LIKELY MOVE INTO THE METROPOLITAN AREA IN THE NEXT COUPLE OF HOURS...MAKING TRAVELING HAZARDOUS AGAIN. THIS SITUATION WILL CONTIN\UE THROUGH THE MORNING RUSH HOUR...SO MOTORISTS SHOULD ALLOW EXTRA TIME TO GET TO AND FROM WORK. REMEMBER...DO NOT ATTEMP TO DRIVE THROUGH FLOODED AREAS. MOST DEATHS ASSOCIATED WITH FLASH FLOODING ARE AUTOMOBILE RELATED.
Special weather statement, Jun 28, 5:37 AM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 540 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ASSUMPTION.. IBERIA.. NORTH LAFOURCHE.. ST JAMES ST JOHN THE BAPTIST.. ST MARTIN.. ST MARY AND TANGIPAHOA... PATCHY RAIN WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED FROM JACKSON SOUTHWET TO NEAR ALEXANDRIA LOUISIANA THEN SOUTH TO THE COSTLINE SOUTH OF LAFAYETTE. PEOPLE IN OR NEAR THE WATCH AEA ARE ADVISED TO CONTINUE TO MONITOR THEIR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER RADIO. BE PREPARED TO PROTECT LIFE AND PROPERTY IN THE EVENT THAT FLOODING BEGINS OR A WARNING IS ISSUED.
Special weather statement, Jun 28, 6:37 AM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 630 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ASSUMPTION.. IBERIA.. NORTH LAFOURCHE.. ST JAMES ST JOHN THE BAPTIST.. ST MARTIN.. ST MARY AND TANGIPAHOA... LIGHT RAIN WITH SCATTERED THUNDERSTORMS WAS OCCURRING ALONG A BROAD BAND FROM VICKSBURG MISSISSIPPI SOUTH ACROSS SIMMESPORT TO BATON ROUGE TO THE COASTLINE NEAR VERMILLION AND ATCHAFALAYA BAYS. PEOPLE IN OR NEAR THE WATCH AEA ARE ADVISED TO CONTINUE TO MONITOR THEIR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER RADIO. BE PREPARED TO PROTECT LIFE AND PROPERTY IN THE EVENT THAT FLOODING BEGINS OR A WARNING IS ISSUED.
Special weather statement, Jun 28, 7:40 AM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 730 AM CDT WED JUN 28 1989 ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ASSUMPTION.. IBERIA.. NORTH LAFOURCHE.. ST JAMES ST JOHN THE BAPTIST.. ST MARTIN.. ST MARY AND TANGIPAHOA... LIGHT RAIN WITH SCATTERED TO OCCASIONALLY NUMEROUS THUNDERSTORMS WAS OCCURRING FROM BETWEEN MONROE AND JACKSON MISSISSIPPI SOUTH ACROSS NATCHEZ TO THE BATON ROUGE AND LAFAYETTE AREAS. THE STRONGER THUNDERSTORMS WERE FROM NEAR WOODVILLE MISSISSIPPI SOUTH ACROSS BATON ROUGE BETWEEN LAFAYETTE AND THIBODAUX. PEOPLE IN OR NEAR THE WATCH AREA ARE ADVISED TO CONTINUE TO MONITOR THEIR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER RADIO. BE PREPARED TO PROTECT LIFE AND PROPERTY IN THE EVENT THAT FLOODING BEGINS OR A WARNING IS ISSUED.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 11:46 PM CDT | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, West Baton Rouge | 4 hr |
| Jun 27, 11:46 PM CDT | Flash Flood Warning | LIX | Iberville | 4 hr |
| Jun 28, 5:50 AM CDT | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 4 hr |
| Jun 28, 9:55 AM CDT | Flash Flood Warning | LIX | East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana | 4 hr |
| Jun 28, 9:55 AM CDT | Flash Flood Warning | LIX | East Baton Rouge, Iberville | 4 hr |
| Jun 28, 10:00 AM CDT | Flash Flood Warning | LIX | Iberia, Saint Martin, St. Mary | 4 hr |
| Jun 28, 5:02 PM CDT | Tornado Warning | LIX | Avoyelles | 43 min |
Nearby
Flash Flood Warnings in Louisiana, 1989Every flash flood warning 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.