1 funnel cloud, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before the first event at Jun 23, 2:05 PM CST, 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 305 PM CDT WED JUN 23 2004 .DISCUSSION... STRONG SYNOPTIC SCALE HEAVY RAIN EPISODE STILL SEEMS ON TRACK FOR TONIGHT AND THURSDAY AS UPPER LEVEL LOW PRESSURE SYSTEM MOVES IN FAVORABLE POSITION FOR ENHANCED LIFT PLACEMENT OVER SOUTH LOUISIANA. LATEST SATELLITE IMAGERY SHOWS CONTINUAL DEVELOPMENT OF CONVECTION ACROSS THE WEST GULF THAT WILL BE HEADING INTO SOUTH LOUISIANA LATER THIS EVENING AND TONIGHT. AT THIS TIME...WILL OPT TO LEAVE THE FLOOD WATCH AS IS. PRETTY MUCH FOLLOWING THE GFS GUIDANCE ON THIS PACKAGE WHICH IS CLOSE TO CONTINUITY FROM PREVIOUS FORECAST PACKAGES. WILL SHOW SOMEWHAT LOWER POPS GENERALLY EAST OF THE WATCH AREA...40 PERCENT...AND GO OUT WITH 60 PERCENT IN THE WATCH AREA OVERNIGHT TONIGHT. PATTERN WILL BE SLOW TO SHAKE AND WILL MAINTAIN 80 PERCENT FOR THURSDAY...DOWN TO 60 PERCENT FRIDAY AND SATURDAY...50 PERCENT SUNDAY THEN NEAR NORMAL 30-40 THEREAFTER. && PRELIMINARY POINT NUMBERS... MCB 71 84 71 85 / 60 80 60 60 BTR 73 84 72 85 / 60 80 60 60 MSY 77 85 76 85 / 40 80 60 60 GPT 75 85 75 85 / 40 80 60 60 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...FLOOD WATCH LAZ034>038-046>050-056 THROUGH TONIGHT. MS...FLOOD WATCH MSZ068>070 THROUGH TONIGHT. LA AND MS COASTAL WATERS...NONE. && 24
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1150 AM CDT WED JUN 23 2004 .A LARGE LOW PRESSURE AREA IN THE UPPER LEVELS OVER SOUTH TEXAS WILL INTERACT WITH TROPICAL MOISTURE OVER LOUISIANA TO PROVIDE A HIGH CHANCE OF HEAVY RAINS AND LOCALLY SEVERE THUNDERSTORMS THROUGH THURSDAY. LAZ034>038-046>050-056-MSZ068>070-240100- AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-IBERVILLE- LIVINGSTON-PIKE-POINTE COUPEE-ST HELENA-TANGIPAHOA-WEST BATON ROUGE- WEST FELICIANA-WILKINSON- 1150 AM CDT WED JUN 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL LOUISIANA AND EXTREME SOUTHWEST MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT... .FLOODING... A FLOOD WATCH IS IN EFFECT FOR POTENTIAL RAINFALL ACCUMULATIONS BETWEEN TWO AND FOUR INCHES WITH LOCALLY HIGHER AMOUNTS TO SEVEN AND A HALF INCHES. .THUNDERSTORMS... THERE IS ALSO A SLIGHT CHANCE THAT THUNDERSTORMS MAY BECOME STRONG WITH WIND GUSTS OF 40 TO 50 MPH...SOME SMALL HAIL AND OCCASIONAL LIGHTNING THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE REMAINS A CHANCE THAT HEAVY RAINS MAY PERSIST THROUGH THURSDAY NIGHT OR FRIDAY. THE OVERALL WEATHER PATTERN WILL BE SLOW TO CHANGE. THERE IS ALSO A CHANCE OF THUNDERSTORMS EACH DAY WITH A FEW BRIEFLY ATTAINING SEVERE LEVELS EACH DAY THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS REQUESTED AT THIS TIME. THE PRIMARY RESPONSE WILL BE FOR FLOOD MONITORING AND NOTIFICATION. PROMPTLY RELAY ANY OBSERVED OR REPORTED STORM DAMAGE...FLOODING OR SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. LAZ039-040-057>070-MSZ071-077-080>082-240100- HANCOCK-HARRISON-JACKSON-LOWER JEFFERSON-LOWER LAFOURCHE- LOWER PLAQUEMINES-LOWER ST BERNARD-LOWER TERREBONNE-ORLEANS- PEARL RIVER-ST CHARLES-ST JAMES-ST JOHN THE BAPTIST-ST TAMMANY- UPPER JEFFERSON-UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST BERNARD- UPPER TERREBONNE-WALTHALL-WASHINGTON- 1150 AM CDT WED JUN 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT... .SEVERE THUNDERSTORMS... THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING. THE PRIMARY THREAT WILL BE DAMAGING WIND GUSTS OF 50 TO 60 MPH...HAIL THE SIZE OF MARBLES TO GOLF BALL IN DIAMETER...WEAK BRIEF TORNADOES...FREQUENT LIGHTNING AND LOCALLY HEAVY RAINS WITH RATES 2 TO 3 INCHES PER HOUR. THE PRIMARY AREA OF CONCERN WILL BE GENERALLY EAST OF 1-55 FROM MCCOMB TO LAPLACE AND THE LOWER PARISHES OF SOUTHEASET LOUISIANA ALONG WITH COASTAL MISSISSIPPI. .MARINE... WATERSPOUT DEVELOPMENT IS LIKELY IN THE NEAR COASTAL WATERS THROUGH 1 PM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE WILL BE A BETTER THAN AVERAGE CHANCE AT THUNDERSTORM EACH DAY THROUGH TUESDAY. SOME STORMS MAY BECOME LOCALLY SEVERE AT TIMES EACH AFTERNOON. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS REQUESTED AT THIS TIME. PROMPTLY RELAY ANY OBSERVED OR REPORTED STORM DAMAGE...FLOODING OR SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. 24
The national radar mosaic for the moment the first event began.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was observed over the northern part of Lake Salvadore.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2004Every state in 2004This day in weather historyWarnings in Louisiana, June 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5407189.