1 thunderstorm wind, 1 hail, 1 tornado, as filed by the National Weather Service.
Every event with a place to put it. 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 May 1, 2:07 PM CST, 39 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED WATCHES NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 307 PM CDT SAT MAY 1 2004 .DISCUSSION...MODELS IN FAIR AGREEMENT WITH ETA SHOWING A BIT FASTER MOVEMENT ON THE FRONT THAN THE AVN. THE AVN INITIALIZED BETTER AT 500MB LEVEL THAN ETA. WILL GO WITH SLOWER MOVEMENT ON SYSTEM...ABOUT 2 HOURS. NO SIGNIFICANT CONVECTION IN SOUTHEAST LA THIS MORNING. AIRMASS IS WARMING AND DE-STABILIZING WITH LIS OF -6 TO -8. VAD WINDS AT 850 LEVEL HAVE INCREASED TO 35KT. SATELLITE AND RADAR SHOW SQUALL LINE CONTINUING TO HOLD UP AS IT TRAVERSES EASTWARD. EXPECT CONVECTION WILL INITIATE IN THE WESTERN PORTION OF OUR CWA BY 2 PM AND OVER SOUTHEASTERN LA AFTER 4 PM. GULF INFLUX SHOULD INCREASE PRECIPITABLE WATER FROM 1.30 AT 12Z TO ABOUT 1.8 INCHES BY 00Z TONIGHT. THIS WILL BE SUFFICIENT FOR QPF VALUES OF 1 TO 2 INCHES THIS EVENING OVER MOST OF THE CWA EXCEPT FOR SOUTH MS COUNTIES. THEY SHOULD RECEIVE BEST CHANCE FOR HEAVY RAINFALL FROM 04 TO 12Z. THE FLOOD WATCH WILL BE MAINTAINED THRU 9 PM TONIGHT AND MAY NEED EXTENDING LATER IF THE CONVECTION MAINTAINS ITSELF. SURFACE FRONT FINALLY MOVES OUT OF COASTAL WATERS SUNDAY NIGHT WITH CLEARING A COOLER WEATHER FOR A COUPLE OF DAYS. NO RAIN EXPECTED AFTER MONDAY THRU NEXT WEEK. IN THE MARINE ZONES...SMALL CRAFT ADZY WINDS EXPECTED FOR SUNDAY NIGHT AND MONDAY. && .PRELIMINARY POINT TEMP/POPS... MCB 59 72 47 76 / 80 20 00 00 BTR 60 72 48 77 / 80 20 00 00 MSY 64 74 56 77 / 80 50 00 00 GPT 64 74 50 75 / 70 70 10 00 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...FFA LAZ034>040-046>050-056>070. MS...FFA MSZ068>071-077-080. SE LA AND MS COASTAL WATERS...SMALL CRAFT ADVZY KPQL TO ATCHAFALAYA RVR FOR SUNDAY. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 550 AM CDT SAT MAY 1 2004 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-011600- 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- 550 AM CDT SAT MAY 1 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. ...A FLOOD WATCH IS IN EFFECT FOR MOST OF THE OUTLOOK AREA... .DAY ONE...TODAY AND TONIGHT .FLOODING...A FLOOD WATCH IS IN EFFECT FOR ALL OF EAST-CENTRAL AND SOUTHEAST LOUISIANA...AND COASTAL MISSISSIPPI INCLUDING PEARL RIVER COUNTY. PARTS OF THE AREA...MAINLY SOUTH OF NEW ORLEANS...HAVE ALREADY RECEIVED WELL OVER 5 INCHES OF RAINFALL WITH REMAINING AREAS RECEIVING AROUND 1 TO 3 INCHES. ADDITIONAL RAINFALL AMOUNTS AROUND 2 TO 4 INCHES ARE POSSIBLE LATER TODAY IN THE WATCH AREA WITH LOCALLY HIGHER AMOUNTS ALSO POSSIBLE. .THUNDERSTORMS...NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE OUTLOOK AREA THROUGH TONIGHT ALONG AND WELL AHEAD OF AN APPROACHING COLD FRONT. THERE IS A SLIGHT RISK FOR ISOLATED SEVERE STORMS MAINLY ALONG THE FRONTS PATCH. HAIL...DAMAGING WIND GUSTS AND WEAK SHORT-LIVED TORNADOES ARE POSSIBLE WITH ANY SEVERE STORMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY .MARINE HAZARDS...SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO DEVELOP ON SUNDAY AND CONTINUE INTO MONDAY AS THE COLD FRONT MOVES EAST OF THE AREA AND OFFSHORE FLOW INCREASES. WINDS AND SEAS ARE EXPECTED TO DIMINISH BY TUESDAY. .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. HOWEVER...EMERGENCY MANAGEMENT...FIRST RESPONSE AGENCIES AND STORM SPOTTERS ARE URGED TO REPORT ANY SEVERE WEATHER OR FLOODING PROMPTLY TO THE NATIONAL WEATHER SERVICE.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 229 PM CDT SAT MAY 1 2004 LAZ035-036-MSZ068-069-012000- AMITE-EAST FELICIANA-WEST FELICIANA-WILKINSON- 229 PM CDT SAT MAY 1 2004 ...STRONG THUNDERSTORMS ARE DETECTED IN EXTREME SOUTHWEST MISSISSIPPI AND ADJACENT EAST CENTRAL LOUISIANA... AT 225 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO STRONG THUNDERSTORMS...ONE NEAR ST. FRANCISVILLE LOUISIANA... AND THE SECOND LOCATED JUST SOUTHWEST OF CENTREVILLE MISSISSIPPI. MOVEMENT OF THE THUNDERSTORMS WAS NORTHEAST AT 30 MPH. AREAS FROM NEAR JACKSON AND NORWOOD LOUISIANA TO CENTREVILLE AND GLOSTER MISSISSIPPI CAN EXPECT WIND GUSTS AS HIGH AS 45 MPH ALONG WITH PEA TO MARBLE SIZE HAIL. SEEK SAFE SHELTER UNTIL THESE STORMS PASS. 22
The national radar mosaic for the moment the first event began.
1 thunderstorm wind, 1 hail, 1 tornado. Local standard time, as filed.
Several trees were blown down, and the roof of mobile home and nearby building received wind damge.
A tornado touched down along an intermittent path in extreme northern Walthall County. Numerous trees were downed or their main trunks snapped. Several buildings and mobile homes were damaged by wind or fallen trees. The tornado continued to move northeast in Lawrence County in southern Mississippi. See additonal information in Storm Data entries from the National Weather Service - Jackson, Mississippi.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2004Every state in 2004This day in weather historyThe tornado archive for Mississippi, 2004Warnings in Mississippi, May 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: 5397673, 5397674, 5397675.