Isolated strong to severe thunderstorms developed across the southeast Louisiana as a strong upper level system moved into the lower Mississippi Vally.
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 across the southeast Louisiana as a strong upper level system moved into the lower Mississippi Vally.
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 Mar 14, 2:45 AM CST, 5 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 345 AM CDT WED MAR 14 2007 .DISCUSSION...SOME VERY ACTIVE WEATHER IS MOVING INTO THE LOWER MS VALLEY THIS MORNING. THE POTENT UPPER LOW OVER NORTH CENTRAL TX WHICH IS FUELING MUCH OF THIS ACTIVE WEATHER IS SLOWLY WORKING ITS WAY EASTWARD. THE LATEST MODELS ARE IN FAIRLY GOOD AGREEMENT SHOWING THE LOW WEAKENING SOME AS IT MOVES INTO THE AREA LATER TODAY AND TONIGHT. AMPLE MOISTURE ALSO CONTINUES TO FILTER INTO THE REGION THIS MORNING AS LAPSE RATES GRADUALLY CLIMB. THIS SETS THE STAGE FOR POTENTIALLY HEAVY RAINFALL AND SEVERE TSTMS MAINLY DURING THE AFTERNOON AND EVENING HOURS AS INDICATED BY SHEAR PROFILES. THE GFS SOLUTION IS STILL SHOWING SIGNS OF POSSIBLE CONVECTIVE FEEDBACK OVER THE CENTRAL GULF COAST AS THE UPPER LOW APPROACHES. STILL...NUMEROUS TO WIDESPREAD TSTMS ARE EXPECTED TO IMPACT THE FORECAST AREA THROUGH TONIGHT AND INTO THU BEFORE THE LOW MOVES WELL EAST THU NIGHT. THE MAIN WEATHER HAZARDS REMAIN LARGE HAIL...DAMAGING WINDS AND EVEN ISOLATED TORNADOES GIVEN ENOUGH CURVATURE IN THE LOWER LEVELS. A MORE BROAD UPPER TROUGH AND ASSOCIATED COLD FRONT ARE THEN EXPECTED TO SWEEP THROUGH THE LOWER SOUTHEAST STATES FRI WITH COOLER AND DRIER WEATHER FOR THE WEEKEND PERIOD. AS THE NEW WORK WEEK BEGINS...NOT MUCH CHANGE IN THE OVERALL WEATHER PATTERN IS ANTICIPATED OTHER THAN A GRADUAL WARMING TREND AS BROAD SURFACE HIGH PRESSURE OVER THE EASTERN STATES BEGINS MOVING INTO THE ATLANTIC BASIN. && .PRELIMINARY POINT TEMPS/POPS... MCB 74 62 75 57 / 80 80 50 20 BTR 74 63 76 58 / 80 80 50 20 MSY 75 64 75 59 / 70 80 60 20 GPT 73 63 73 59 / 60 70 60 30 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 09
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 430 AM CDT WED MAR 14 2007 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-141800- POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-TANGIPAHOA- WASHINGTON-ST. TAMMANY-IBERVILLE-WEST BATON ROUGE- EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION-ST. JAMES- ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON- ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE- LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD-WILKINSON-AMITE-PIKE-WALTHALL- PEARL RIVER-HANCOCK-HARRISON-JACKSON- 430 AM CDT WED MAR 14 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT NUMEROUS TO WIDESPREAD THUNDERSTORMS ARE EXPECTED LATER TODAY AND TONIGHT AS AN UPPER LEVEL LOW PRESSURE SYSTEM APPROACHES THE OUTLOOK AREA FROM THE WEST. STRONG TO LOCALLY SEVERE THUNDERSTORMS ARE POSSIBLE WITH THE MAIN WEATHER HAZARDS BEING DAMAGING WINDS...HAIL AND ISOLATED TORNADOES. IN ADDITION TO THE SEVERE WEATHER THREAT...SLOW MOVING STORMS THAT ARE ABLE TO PERSIST WILL POSE A RISK OF FLASH FLOODING ESPECIALLY ALONG ROADS AND IN LOW LYING AREAS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THURSDAY AS THE UPPER LEVEL LOW PRESSURE SYSTEM MOVES ACROSS THE OUTLOOK AREA AND A COLD FRONT AT THE SURFACE APPROACHES FROM THE NORTHWEST. A FEW STRONG THUNDERSTORMS...SOME PRODUCING HEAVY RAINFALL...ARE POSSIBLE. IN ADDITION TO THE THUNDERSTORM THREAT...STRONG NORTHERLY WINDS DEVELOPING BEHIND THE PASSING COLD FRONT MAY PROMPT SMALL CRAFT ADVISORIES FRIDAY AND SATURDAY. NO WEATHER HAZARDS ARE THEN EXPECTED SUNDAY THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT. IN ADDITION...EMERGENCY MANAGEMENT AND FIRST RESPONSE AGENCIES ARE URGED TO MONITOR THIS DEVELOPING WEATHER THREAT AND PREPARE FOR THE POSSIBILITY OF SEVERE WEATHER AND FLASH FLOODING THIS AFTERNOON AND TONIGHT. PEOPLE RESIDING IN TEMPORARY OR TRAVEL TRAILERS ARE ALSO URGED TO MONITOR THIS ONCOMING WEATHER AND LISTEN TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLOOKS FOR FURTHER INFORMATION.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 702 AM CDT WED MAR 14 2007 LAZ034>036-046>050-056>060-065>067-141415- POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-IBERVILLE- WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION- ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES- UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE- INCLUDING THE CITIES OF...NEW ROADS...LIVONIA... ST. FRANCISVILLE...JACKSON...CLINTON...PLAQUEMINE... WHITE CASTLE...PORT ALLEN...ADDIS...BRUSLY...BATON ROUGE... GONZALES...DONALDSONVILLE...DENHAM SPRINGS...WALKER... PIERRE PART...LABADIEVILLE...PAINCOURTVILLE...LUTCHER... GRAMERCY...LAPLACE...RESERVE...THIBODAUX...RACELAND...LAROSE... DESTREHAN...NORCO...HOUMA...BAYOU CANE...CHAUVIN...DULAC... MONTEGUT...GALLIANO...CUT OFF...GOLDEN MEADOW 702 AM CDT WED MAR 14 2007 A MODERATE LINE OF THUNDERSTORMS WILL BEGIN TO MOVE INTO AREAS ALONG AND WEST OF THE MISSISSIPPI RIVER. THIS LINE IS MOVING NORTHEAST AT 45 MPH. PERSONS IN THESE AREAS WILL EXPERIENCE STRONG WINDS TO 40 MPH AND OCCASIONAL LIGHTNING AS THE SQUALL LINE MOVES OVERHEAD. EVENTHOUGH THESE WINDS WILL NOT REACH SEVERE WEATHER CRITERIA...THEY WILL BE STRONG ENOUGH TO BREAK DEAD OR SMALL LIMBS FROM TREES AND CAUSE LOOSE ITEMS TO BE SCATTERED ABOUT. 17
The national radar mosaic for the moment the first event began.
1 tornado. Local standard time, as filed.
A weak tornado briefly touched down causing minor damage to 4 homes and 3 power poles. One of the power poles fell on top of an automobile.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2007Every state in 2007This day in weather historyThe tornado archive for Louisiana, 2007Warnings in Louisiana, March 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: 22210.