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 Jul 5, 9:30 AM CST, 1 hour 30 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1030 AM CDT SAT JUL 5 2003 THE PERSISTENT TRAINING OF CELLS HAS DEFINITELY POSED A PROBLEM THIS MORNING ESPECIALLY ACROSS PARTS OF EXTREME SOUTHWEST MISSISSIPPI AND THE EASTERN HALF OF THE GULF COAST. MULTIPLE REPORTS OF STREET FLOODING HAVE BEEN COMING IN OVER THE PAST HOUR AND DO NOT SEE MUCH RELIEF IN THE NEAR FUTURE. THE RUC40 MODEL IS ACTUALLY SUGGESTING ABUNDANT AMOUNTS OF OMEGA TO CONTINUE OVER THE FORECAST ESPECIALLY ACROSS THE WESTERN ZONES THROUGH THE AFTERNOON HOURS. THEREFORE...A FLASH FLOOD WATCH IS GOING TO BE ISSUED FOR THE ENTIRE FORECAST AREA THROUGH MOST LIKELY 700 PM TONIGHT. .NEW...NONE LA...FLASH FLOOD WATCH LAZ034>040-046>050-056>070. MS...FLASH FLOOD WATCH MSZ068>071-077-080>082.
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-060930- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1056 AM CDT SAT JUL 5 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST AND COASTAL MISSISSIPPI. ...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 7 PM CDT FOR ENTIRE OUTLOOK AREA... .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS... TROPICAL THUNDERSTORMS WILL PRODUCE OCCASIONAL LIGHTNING...A FEW WIND GUSTS TO 20 MPH AND TORRENTIAL RAINFALL THIS AFTERNOON. FLOODING... TROPICAL RAINS WILL PRODUCE FLOODING OF STREETS AND LOW LYING AREAS. IF HEAVY RAINS PERSIST THEN THERE IS A POSSIBILITY OF HOMES AND BUSINESSES BECOMING THREATENED BY FLOOD WATERS. A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL AMOUNTS BETWEEN 3 AND 6 INCHES IS POSSIBLE THROUGH 7 PM. RUNOFF INTO AREA CREEKS AND STREAMS WILL BE RAPID. OTHER... TOPPLING OF TREES DUE TO SATURATED GROUND WILL POSE A THREAT OF STRUCTURAL DAMAGE. WINDS REMAIN LIGHT AND VARIABLE BUT WATERLOGGED LARGE TREES WILL BECOME TOP HEAVY AND CAPABLE OF BECOMING UPROOTED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A THREAT OF THUNDERSTORMS EACH DAY THROUGH FRIDAY. .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 PRIMARILY FOR FLOOD MONITORING AND REPORTING. THE OZONE AMATUER RADIO CLUB WILL BE MONITORING REPORTS OF FLOODING FROM HOME BASE. 24
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS, LA
1125 AM CDT SAT JUL 5 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0925 AM SLIDELL LA FLASH FLOODS
07/05/03 ST. TAMMANY GAUSE ROAD FLOODED NEAR
LONE STAR RESTAURANT.
REPORTED BY POLICE DEPT.
0945 AM MC COMB MS FLASH FLOODS
07/05/03 PIKE TREES UPROOTED DUE TO
SATURATED GROUND. STREET
FLOODING WITH VERY HEAVY
RAINS AT TIME OF REPORT.
REPORTED BY POLICE
DEPARTMENT.
1030 AM COUNTYWIDE MS FLASH FLOODS
07/05/03 HANCOCK SEVERAL HIGHWAYS
IMPASSIBLE. KILN-PICAYUNE
ROAD...FIRE DEPT ROAD IN
KILN...HIHWAY 43 N OF
HIGHWAY 603 6 INCHES OF
WATER OVER ROAD...HIGHWAY
603 S OF ROCKY HILL-DEDEAUX
ROAD. REPORTED BY SHERIFFS
OFFICE.
RJRThe national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Heavy rainfall caused significant flooding on two sections of Highway 10 east of New Roads making the roadway temporarily impassable.
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, July 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: 5372617.