1 flash flood, 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 11, 2:50 AM CST, 2 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 350 AM CDT WED JUN 11 2003 RADAR IS LIGHTING UP LIKE A CHRISTMAS TREE OVER SOUTH CENTRAL LA COASTAL PARISHES. EFFECTS OF RATHER STRONG SHORTWAVE TROUGH FOR THIS TIME OF YEAR...STRONG UPPER DIVERGENCE...NEAR 2 INCH PRECIPITABLE WATER...AND COASTAL SURFACE MOISTURE FLUX CONVERGENCE WILL ALL MAKE THIS WELL ADVERTISED WET TRANSITION DAY COME TO FRUITION. WILL BASICALLY FOLLOW THE TRENDS OF THE LATEST GFS AND MAV GUIDANCE. THIS MEANS LIKELY CHANCES OF RAIN TODAY...ALTHOUGH POSSIBLE MCS DEVELOPMENT COULD MEAN 80 TO 100 PERCENT COVERAGE IN SOME AREAS. WILL GO WITH 60 TO 70 PERCENT POPS TODAY. ALTHOUGH THE BETTER CHANCE OF SEVERE THUNDERSTORMS WILL BE NORTH OF THE FORECAST AREA TODAY...THERE MAY BE NUMEROUS STRONG AND A FEW SEVERE THUNDERSTORMS IN OUR AREA TODAY GIVEN THE STRONG DYNAMICS FOR THIS TIME OF YEAR. ONLY COMPLICATING FACTOR IS EARLY START OF CONVECTION COULD HOLD TEMPERATURES AND RESULTANT INSTABILITY DOWN SOMEWHAT. AT LEAST THE BRIEF EXCESSIVE HEAT SPELL WILL TAKE A BREAK FOR THE NEXT SEVERAL DAYS. QPF AMOUNTS OF .25 TO .50 INCHES WITH ISOLATED ONE TO TWO INCH TOTALS ARE EXPECTED TODAY. CONTINUED MINOR DISTURBANCES IN THE WEST-SOUTHWEST FLOW ALOFT COMBINED WITH CONTINUED MOIST VERTICAL PROFILES WILL KEEP DECENT CHANCES OF SHOWERS AND THUNDERSTORMS IN THE FORECAST THURSDAY AND FRIDAY ALTHOUGH SOME DRIER AIR IN THE MID LEVELS COULD KNOCK DOWN POPS A BIT ON FRIDAY. WILL KEEP THE EXTENDED AS IS EXCEPT WILL INCREASE WORDING FROM SLIGHT CHANCE TO CHANCE SATURDAY AND SUNDAY IN THE NORTHERN ZONES. PATTERN BASICALLY REMAINS ABOUT THE SAME FROM FRIDAY INTO EARLY NEXT WEEK. PRELIMINARY NUMBERS FOLLOW: MCB 87/73/88/72 7252 BTR 89/75/88/74 6252 MSY 90/77/89/76 6242 GPT 86/77/87/76 6342 .NEW...NONE LA...NONE. MS...NONE. 22
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-111600- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 615 AM CDT WED JUN 11 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST AND COASTAL MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT ...THUNDERSTORMS... SCATTERED TO NUMEROUS THUNDERSTORMS WILL SPREAD ACROSS EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTH MISSISSIPPI TODAY. SEVERAL STRONG THUNDERSTORMS...PRODUCING STRONG WIND GUSTS TO 40 MPH... FREQUENT LIGHTNING...AND LOCALLY HEAVY RAINFALL AMOUNTS OF ONE TO TWO INCHES IN AN HOUR OR LESS...ARE EXPECTED TODAY. ISOLATED THUNDERSTORMS COULD BRIEFLY REACH SEVERE LIMITS AND PRODUCE DAMAGING WINDS AND HAIL. A STRONG UPPER LEVEL DISTURBANCE FOR THIS TIME OF YEAR...IN CONJUNCTION WITH A VERY MOIST AND UNSTABLE ATMOSPHERE... WILL CAUSE THE INCREASED THUNDERSTORM ACTIVITY TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS OVER MUCH OF THE AREA ON THURSDAY INTO FRIDAY AS UPPER LEVEL DISTURBANCES MOVE ACROSS THE LOWER MISSISSIPPI VALLEY. .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 DUE TO THE EXPECTED ISOLATED NATURE OF SEVERE THUNDERSTORMS.
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Heavy rainfall of 6 to 8 inches in a short period of time caused the flooding of 50 homes, 5 businesses and one governmental building around Pierre Part.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2003Every state in 2003This day in weather historyWarnings in Louisiana, June 2003
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: 5367156.