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 Jul 31, 2:10 PM CST, 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 310 PM CDT SAT JUL 31 2004 .DISCUSSION... OVERALL MID LEVEL FLOW SYNOPTIC PATTERN UNDERGOES AN AMPLIFICATION THROUGH THIS WEEK WITH A BUILDING MID AND UPPER RIDGE OVER THE PLAINS AND DEEPENING TROUGH OVER THE E UNITED STATES. FORECAST AREA SHOULD TRANSITION FROM NEAR NORMAL TEMPS AND ABOVE NORMAL PRECIP CHANCES LATE WEEKEND TO A HOT AND DRY PATTERN BY MID AND LATE WEEK. DURING THE NEXT DAY OR SO...WEAK AND DISORGANIZE LOW OVER THE SOUTH CENTRAL GULF IS PROGGED TO CONTINUE TO DRIFT W AND WEAKEN THOUGH SYSTEM HAS PROVIDED AMPLE TROPICAL MOISTURE NWD AS REFLECTED IN SIL SOUNDING OF PW NEAR 2.2 INCHES. AT THE SAME TIME...MID LEVEL TROUGH EXTENDING FROM THE GREAT LAKES INTO NE TX CONTINUES MOVE EWD AND WEAKEN THROUGH MON WITH ASSOCIATED WEAK SURFACE TROUGH MAKING SLOW PROGRESS SEWD. ABUNDANT MOISTURE AND WEAK BOUNDARY IN AREA SHOULD ALLOW FOR 50 TO 60 PRECIP CHANCES AGAIN SUNDAY. AS MID LEVEL RIDGE/TROUGH AMPLIFIES SURFACE BOUNDARY MOVES TO THE COAST WITH MAIN PUSH TO E OF FORECAST AREA...AND ATMOSPHERE DRIES CONSIDERABLE AS SUBSIDENCE NEAR UPPER RIDGE TAKES HOLD. SYNOPTIC SCALE SUBSIDENCE... LIGHT N SFC WIND FLOW AND LACK OF CLOUD COVER SHOULD ALLOW TEMPS TO EASILY REACH MID 90S POSSIBLE BY MID WEEK. GFS SUGGESTING THAT SHORT WAVE ROTATING THROUGH MEAN TROUGH AXIS THU/FRI MAY BRING THREAT OF TSTM IN NW FLOW REGIME LAT THUR OR FRIDAY...AND ALLOW SURFACE TROUGH/FRONT TO PUSH INTO THE AREA FROM THE NE FRI HAVE BUMPED POPS UPWARD TO SCT TO ACCOUNT FOR THAT POSSIBILITY. IN THE MARINE ENVIRONMENT...LIGHT TO MODERATE E TO SE ONSHORE FLOW WILL TRANSITION TO LIGHT OFFSHORE FLOW MON/TUE AS SURFACE BOUNDARY SLIPS SE TO THE COAST. && .PRELIMINARY POINT NUMBERS... MCB 74 91 73 93 / 30 60 30 40 BTR 74 92 75 93 / 30 60 30 40 MSY 77 91 77 92 / 20 50 30 50 GPT 77 90 75 93 / 20 60 30 50 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. MS...NONE. SE LA AND MS COASTAL WATERS...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1115 AM CDT SAT JUL 31 2004 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-011130- AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-HANCOCK- HARRISON-IBERVILLE-JACKSON-LIVINGSTON-LOWER JEFFERSON- LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST BERNARD-LOWER TERREBONNE- ORLEANS-PEARL RIVER-PIKE-POINTE COUPEE-ST CHARLES-ST HELENA-ST JAMES- ST JOHN THE BAPTIST-ST TAMMANY-TANGIPAHOA-UPPER JEFFERSON- UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST BERNARD-UPPER TERREBONNE- WALTHALL-WASHINGTON-WEST BATON ROUGE-WEST FELICIANA-WILKINSON- 1115 AM CDT SAT JUL 31 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON THEN BECOMING ISOLATED IN COVERAGE LATER THIS EVENING. DUE ABUNDANT MOISTURE IN THE ATMOSPHERE AND SLOW MOVEMENT OF THE THUNDERSTORMS...LOCALIZED HEAVY RAINFALL MAY OCCUR WITH THE STRONGER THUNDERSTORMS PRODUCING LOCALIZED STREET FLOODING IN AREAS OF POOR DRAINAGE. THE STRONGER THUNDERSTORMS WILL ALSO PRODUCE FREQUENT LIGHTNING...AND GUSTY WINDS OF 35 TO 40 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED AGAIN SUNDAY WITH SCATTERED SHOWERS AND THUNDERSTORMS ON MONDAY. ONLY ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TUESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS NOT REQUESTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 130 PM CDT SAT JUL 31 2004 LAZ049-056-057-059-065-311930- ASCENSION-ASSUMPTION-ST JAMES-UPPER LAFOURCHE-UPPER TERREBONNE- 130 PM CDT SAT JUL 31 2004 ...SCATTERED STRONG THUNDERSTORMS OVER ASCENSION...ST JAMES AND ASSUMPTION PARISHES... AT 120 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED STRONG FROM GONZOLES AND CONVENT TO NEAR NAPOLEONVILLE AND HOUMA MOVING WEST AROUND 10 MPH. RESIDENTS IN THESE AREAS MAY EXPERIENCE STRONG WIND GUSTS OF 35 TO 45 MPH...AND FREQUENT CLOUD TO GROUND LIGHTNING THROUGH 230 PM. IN ADDITIONAL RAINFALL RATES OF 1.5 TO 2.5 INCHES IN AN HOUR MAY CAUSE LOCALIZED FLOODING OF ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 236 PM CDT SAT JUL 31 2004 LAZ056>060-065-066-312030- ASSUMPTION-LOWER TERREBONNE-ST CHARLES-ST JAMES-ST JOHN THE BAPTIST- UPPER LAFOURCHE-UPPER TERREBONNE- 236 PM CDT SAT JUL 31 2004 ...SCATTERED STRONG THUNDERSTORMS CONTINUE FROM SOUTH OF LAPLACE TO TERREBONNE PARISH... AT 230 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED STRONG THUNDERSTORMS CONTINUED FROM SOUTH OF LAPLACE ACROSS NORTHERN LAFOURCHE PARISH TO THE NORTHERN AND WESTERN PORTIONS OF TERREBONNE PARISH INCLUDING THE HOUMA AREA. THE THUNDERSTORMS WERE MOVING WEST AROUND 10 MPH. RESIDENTS IN THESE AREAS MAY EXPERIENCE STRONG WIND GUSTS OF 35 TO 45 MPH...AND FREQUENT CLOUD TO GROUND LIGHTNING THROUGH 330 PM. IN ADDITIONAL RAINFALL RATES OF 1.5 TO 2.5 INCHES IN AN HOUR WILL LIKELY RESULT IN LOCALIZED FLOODING OF ROADWAYS IN AREAS OF POOR DRAINAGE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 335 PM CDT SAT JUL 31 2004 LAZ059-065-066-312140- LOWER TERREBONNE-UPPER LAFOURCHE-UPPER TERREBONNE- 332 PM CDT SAT JUL 31 2004 ...SCATTERED STRONG THUNDERSTORMS CONTINUE FROM RACELAND IN LAFOURCHE PARISH TO CENTRAL TERREBONNE PARISH... AT 330 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS OVER NORTHERN LAFOURCHE PARISH WEST OF RACELAND TO JUST WEST OF HOUMA TO LAKE DE CADE IN TERREBONNE PARISH IN TERREBONNE PARISH. THIS INCLUDED THE TOWNS OF ELLENDALE...ELLSWORTH...GRAY... IN TERREBONNE PARISH. THE THUNDERSTORMS ARE MOVING SLOWLY WEST AROUND 5 MPH. RESIDENTS IN THESE AREAS MAY EXPERIENCE STRONG WIND GUSTS OF 35 MPH...FREQUENT LIGHTNING AND ADDITIONAL RAINFALL AMOUNTS OF 1.5 TO 2.5 INCHES WITHIN AN HOUR.. THIS MAY RESULT IN LOCALIZED FLOODING OF ROADWAYS IN AREAS OF POOR DRAINAGE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS.
The Mobile radar (KMOB), 86 km away, was scanning. The volume nearest the first event began at 20:52 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was observed north of Interstate 10 in western Harrison County.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2004Every state in 2004This day in weather historyWarnings in Mississippi, July 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: 5412916.