Isolated strong to severe thunderstorms developed in an unstable atmosphere.
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 episode as NWS LIX wrote it up.
Isolated strong to severe thunderstorms developed in an unstable atmosphere.
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 3, 2:15 AM CST, 11 hours 47 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 315 AM CDT MON SEP 3 2007 .SHORT TERM... A FAIRLY TYPICAL LATE SUMMER PATTERN IS EXPECTED ACROSS THE GULF SOUTH THROUGH THE SHORT TERM...AS BROAD UPPER LEVEL RIDGE REMAINS CENTERED OVER THE GULF AND WESTERN ATLANTIC. GIVEN THIS...NO MAJOR CHANGE IN THE OVERALL PATTERN IS EXPECTED. DIURNALLY FORCED CONVECTION WILL BE POSSIBLE EACH DAY...WITH THE PEAK TIME FOR RAINFALL OCCURRING FROM THE LATE MORNING INTO THE EARLY EVENING HOURS. IT APPEARS THAT THE HIGHEST CHANCE FOR CONVECTION TODAY WILL BE ALONG A SEABREEZE AND LAKEBREEZE BOUNDARY EXPECTED TO DEVELOP LATE THIS MORNING. AS A RESULT...THE BEST CHANCE FOR RAINFALL WILL BE MAINLY ALONG THE MISSISSIPPI GULF COAST AND NORTH OF I-12 IN SOUTHEAST LOUISIANA. GOING INTO TOMORROW...THE CONVERGENCE AXIS WILL SHIFT SLIGHTLY...AS MORE NORTHEASTERLY WINDS AND SLIGHTLY DRIER AIR MOVE INTO COASTAL MISSISSIPPI. HAVE DECIDED TO GO WITH LIKELY POPS FOR SOUTHEAST LOUISIANA AND SOUTHWEST MISSISSIPPI WITH ONLY CHANCE POPS FOR COASTAL MISSISSIPPI TOMORROW. TEMPERATURES WILL BE NEAR NORMAL THROUGH THE PERIOD. .LONG TERM... OVERALL...BROAD UPPER LEVEL RIDGING WILL REMAIN IN PLACE ACROSS THE GULF AND WESTERN ATLANTIC THROUGH THE EXTENDED PERIOD. WITH THIS RIDGING IN PLACE...A FAIRLY PERSISTENT PATTERN OF DIURNALLY INDUCED CONVECTION IN THE LATE MORNING AND AFTERNOON HOURS AND NEAR NORMAL TEMPERATURES CAN BE EXPECTED THROUGH THE WEEKEND. NO MAJOR CHANGES WERE MADE TO THE PREVIOUS FORECAST. && .PRELIMINARY POINT TEMPS/POPS... MCB 89 71 88 71 / 60 30 60 30 BTR 90 72 90 72 / 60 30 60 30 MSY 91 75 89 76 / 50 30 60 30 GPT 89 72 89 72 / 60 30 50 30 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 32
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1030 AM CDT MON SEP 3 2007 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-041130- 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- 1030 AM CDT MON SEP 3 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND PORTIONS OF SOUTHERN MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI THIS AFTERNOON INTO EARLY EVENING. A FEW OF THE THUNDERSTORMS MAY BE STRONG...PRODUCING GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. RAINFALL RATES COULD APPROACH 2 TO 3 INCHES PER HOUR...WHICH COULD LEAD TO SOME STREET FLOODING IN LOW LYING AND POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE EACH DAY. FREQUENT LIGHTNING STRIKES...GUSTY WINDS...AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. 92/JSS
The Mobile radar (KMOB), 70 km away, was scanning. The volume nearest the first event began at 20:02 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds moved a trailer into the street on South River Drive.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2007Every state in 2007This day in weather historyWarnings in Mississippi, September 2007
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: 60124.