1 thunderstorm wind, 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 Aug 7, 1:15 PM CST, 3 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 215 PM CDT THU AUG 7 2003 EARLY THIS AFTERNOON WE HAD A FRONTAL BOUNDARY STRETCHING FROM CENTRAL LOUISIANA THROUGH SOUTHERN MISSISSIPPI INTO NORTHERN GEORGIA. SHOWERS AND THUNDERSTORMS WERE DEVELOPING ON THE SOUTH SIDE OF THE FRONT WITH DEW POINTS FALLING NORTH OF THE FRONT. THIS MORNINGS SIL SOUNDING HAD A PRECIP WATER OF 2.13 INCHES. ALOFT THERE WAS A DEEP TROUGH OVER THE EASTERN THIRD OF THE U.S. AND RIDGE OVER THE ROCKIES. AND HEAT INDEX VALUES HAD RISEN TO NEAR 110 ACROSS MUCH OF SOUTHEASTERN LOUISIANA DUE TO THE SLOWER THAN EXPECTED DEW POINT DROP THIS MORNING. MOST THUNDERSTORM ACTIVITY SHOULD REMAIN SOUTH OF LAKE PONTCHARTRAIN AND ALONG THE MISSISSIPPI GULF COAST...WITH MOST ACTIVITY ENDING THIS EVENING. THE BOUNDARY WILL SLIP SOUTHWARD THROUGH THE AREA AND THE UPPER TROUGH WILL DIG DEEPER TOWARD THE GULF. THIS WILL BRING DRIER AIR AND LOWER THAN AVERAGE POPS FRIDAY AND SATURDAY. ANOTHER SHORT WAVE WILL PUSH INTO THE AREA ON SUNDAY...BRINGING POPS BACK UP A BIT. BY TUESDAY THE UPPER TROUGH WILL BECOME POSITIVELY TILTED ACROSS THE OHIO TO LOWER MISSISSIPPI VALLEY...PUSHING THE RIDGE WELL TO THE WEST. POPS WILL BE CLOSER TO CLIMO BY THE MIDDLE OF THE WEEK. THE PRELIMINARY HEAT INDEX CALCULATIONS FOR FRIDAY THROUGH SUNDAY SHOW READINGS IN THE 100 TO 105 RANGE. FOR NOW WE WILL NOT PUT OUT A HEAT ADVISORY. PRELIMINARY NUMBERS... MCB 71/94/71/94 0101 BTR 73/94/73/94 1101 MSY 77/94/76/94 3201 GPT 74/92/73/92 3201 .NEW...NONE LA...NONE. MS...NONE. 25
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-080430- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1130 AM CDT THU AUG 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST AND COASTAL MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA LATER TODAY MAINLY ALONG THE LOUISIANA AND MISSISSIPPI COAST. A FEW OF THE THUNDERSTORMS COULD PRODUCE HEAVY RAIN...STRONG WINDS AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED THUNDERSTORMS ARE EXPECTED FRIDAY THROUGH TUESDAY. THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS BY WEDNESDAY. PLENTY OF SUNLIGHT WILL BRING TEMPERATURES INTO THE MID 90S BY THE FRIDAY THROUGH THE WEEKEND. THE HOT DAYS WILL ALSO RELEASE THE ABUNDANT MOISTURE HELD BY THE GROUND PRODUCING HIGH RELATIVE HUMIDITIES DURING THE HOTTEST PORTION OF THE DAY. HEAT INDICES MAY REACH ADVISORY CRITERIA OF 105 TO 110 DEGREES FRIDAY SATURDAY AND SUNDAY. .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.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds damaged a mobile home when a plank of wood was blown through an exterior wall. Several large tree limbs were blown down and a tree uprooted.
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, August 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: 5377183.