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 Sep 13, 3:30 AM CST, 9 hours 40 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
430 AM CDT SAT SEP 13 2003
LATEST SURFACE ANALYSIS CONTINUE TO SHOW A RIDGE OF HIGH PRESSURE
RETREATING EAST. IN ADDITION...A SURFACE LOW WAS LOCATED OVER NORTH
CENTRAL OKLAHOMA WITH A WEAKENING BOUNDARY SOUTH TO NORTHEAST TEXAS
TO THE HILL COUNTRY. WATER VAPOR IMAGERY SHOWED AN UPPER LEVEL LOW
OVER NORTH CENTRAL TEXAS. PRECIPITABLE WATER PLOTS DISPLAYED GREATER
THAN 1.9 INCHES OVER LOUISIANA...MISSISSIPPI AND ARKANSAS....LESS
THAN 1 INCH OVER ALABAMA AND SOUTH CENTRAL TEXAS.
TIMING WILL BE ESSENTIAL IN FORECASTING THE RAIN CHANCES TODAY.
SHORT RANGE MODELS INITIALIZED WELL WITH MOISTURE FIELDS. MID LAYER
MOISTURE ASSOCIATED WITH THE UPPER LEVEL LOW AND MAINLY OVER
ARKANSAS...LOUISIANA AND MISSISSIPPI WILL SLIDE EAST TODAY.
ASSOCIATED VORT LOBE OVER EAST TEXAS WILL HELP FIRE STORMS EARLY.
WILL CONTINUE LIKELY POPS FOR TODAY FROM WEST TO EAST. PRECIPITABLE
WATER VALUES DROP BELOW 1.5 INCHES OVER FORECAST AREA OVER LAND BY
12Z SUN. THE MAIN COLD FRONT...EXTENDING FROM MINNESOTA TO EASTERN
NEBRASKA TO SOUTHWEST KANSAS...WILL PUSH SOUTH TO THE LOUISIANA
COAST BY SUNDAY EVENING. ASSOCIATED SHORT WAVE AND VORT MAX WILL
HAVE LITTLE MID LAYER MOISTURE TO WORK WITH. ISOLATED SHOWERS ARE
POSSIBLE AS MEAN RH FROM 1000 TO 850MB WILL REMAIN ABOVE 70 PERCENT
UNTIL THE FRONTAL PASSAGE SUNDAY EVENING. DRY FORECAST UNTIL THE END
OF THE WEEK. THICKNESS VALUES FROM 1000 TO 700MB OFF OF GFS DROP TO
NEAR 3000M TUESDAY THROUGH WEDNESDAY...THIS SUPPORT LOWS IN THE
UPPER 50S/LOWER 60S FOR NORTH ZONES. SOURCE OF THE HIGH IS OVER THE
PACIFIC...SO WILL GO LOWER 60S FOR NORTH ZONES AND UPPER 60S FOR
SOUTH ZONES. ANOTHER FRONTAL BOUNDARY EARLY FRIDAY...WILL CONTINUE
POPS FOR THU AND FRI.
HERE ARE SOME NUMBERS TO PONDER...
MCB TE 085/069 088/065 085 186-1
BUBBE 063/087 062/086 064/088 066/086 066 00000012-2-
BTR TE 086/071 088/067 085 186-1
BUBBE 066/087 064/086 066/088 068/086 068 00000012-2-
MSY TE 087/074 088/074 085 186-1
BUBBE 069/087 068/087 070/088 074/086 074 00000012-2-
GPT TE 086/072 087/070 085 18631
BUBBE 068/087 066/085 067/087 068/086 068 00000012-2-
.NEW...NONE
LA...NONE.
MS...NONE.
18LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-141200- HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE NEW ORLEANS LA 1115 AM CDT SAT SEP 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST AND COASTAL MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTHEAST LOUISIANA...AND EXTREME SOUTH MISSISSIPPI DURING THE AFTERNOON AS A UPPER LEVEL DISTURBANCE MOVES ACROSS THE REGION. DUE TO THE SLOW MOVEMENT OF THE THUNDERSTORMS....A THREAT OF LOCALLY HEAVY RAIN WILL BE POSSIBLE. RAINFALL NEAR 1 INCH WILL BE COMMON WITH A FEW AREAS RECEIVING UP TO 3 INCHES THROUGH EARLY THIS EVENING. IN ADDITION...GUSTY WINDS UP TO 40 MILES AN HOUR AND FREQUENT LIGHTNING STRIKES WILL ACCOMPANY THE STRONGER STORMS THROUGH THIS EVENING. SHOWER AND THUNDERSTORM ACTIVITY WILL DIMINISH DURING THE EARLY EVENING HOURS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY A DRIER AIRMASS WILL SPREAD INTO THE AREA ON SUNDAY AND EARLY NEXT WEEK. ONLY ISOLATED THUNDERTSORMS ARE EXPECTED SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED. .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.
A large tree was blown down in the vicinity of Town Road and Highway 10.
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, September 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: 5375106.