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 Jun 11, 2:35 PM CST, 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 335 PM CDT MON JUN 11 2007 .DISCUSSION... HIGH PRESSURE HAS AGAIN ALLOWED TEMPERATURES TO CLIMB INTO THE MID 90S AREAWIDE. ONCE WE HIT THE CONVECTIVE TEMPERATURE...SHOWERS AND THUNDERSTORMS STARTED DEVELOPING. THIS ACTIVITY SHOULD BEGIN TO DIE OFF AFTER SUNSET AS THEY ARE DIURNALLY DRIVEN. THE RIDGE HOLDS FOR ONE MORE DAY...WITH AFTERNOON TEMPERATURES TOMORROW ONCE AGAIN CLIMBING INTO THE MID 90S WITH ISOLATED AFTERNOON CONVECTION. THE RIDGE BEGINS TO BREAK DOWN MID WEEK AS IT GETS SANDWICHED BETWEEN A SHORTWAVE OVER THE CENTRAL PLAINS AND A TROUGH OVER THE ATLANTIC COAST. NORTHERLY TO NORTHEASTERLY WINDS WILL KEEP RAIN CHANCES DOWN UNTIL SOUTHERLY FLOW RETURNS LATE IN THE WEEK. WITH THAT...TEMPERATURES SHOULD RETURN BACK TO CLIMATOLOGICAL AVERAGES (89-90 DEGREES). && .PRELIMINARY POINT TEMPS/POPS... MCB 69 93 68 92 / 20 20 10 20 BTR 74 94 72 93 / 20 20 20 20 MSY 75 92 74 92 / 10 20 20 20 GPT 73 94 71 92 / 10 20 10 20 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. MS...NONE. GM...NONE. && 92/JSS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 536 AM CDT MON JUN 11 2007 GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077- 080>082-111700- LAKE PONTCHARTRAIN AND LAKE MAUREPAS- COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM- COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM- COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO LOWER ATCHAFALAYA RIVER LA FROM 20 TO 60 NM- COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM-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- 536 AM CDT MON JUN 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT ISOLATED AFTERNOON THUNDERSTORMS ARE POSSIBLE FROM EXTREME SOUTHWEST MISSISSIPPI INTO EAST CENTRAL AND SOUTHEAST LOUISIANA...GENERALLY WEST AND SOUTH OF LAKE PONTCHARTRAIN. ANY THUNDERSTORMS THAT DEVELOP WILL BE SLOW MOVING...PERHAPS NEAR STATIONARY. BECAUSE OF THIS...SOME LOCALLY VERY HEAVY RAINFALL AMOUNTS ARE POSSIBLE. THE STRONGEST STORMS MAY ALSO PRODUCE FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND SMALL HAIL. A WEAK FRONTAL BOUNDARY HAS BROUGHT DRIER AIR INTO MUCH OF SOUTH MISSISSIPPI AND ADJACENT PORTIONS OF EAST CENTRAL AND SOUTHEAST LOUISIANA. HOWEVER...HOT TEMPERATURES AND MODERATE HUMIDITY VALUES WILL PUSH HEAT INDICES UP OVER 100 DEGREES IN SOME LOCATIONS... ESPECIALLY NEAR THE SOUTHEAST LOUISIANA COAST. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WEAK UPPER LEVEL DISTURBANCES AND A LINGERING SURFACE BOUNDARY WILL BRING A CHANCE OF MOSTLY DAYTIME THUNDERSTORMS THROUGH THE PERIOD. ISOLATED STRONG TO SEVERE THUNDERSTORMS AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE EACH DAY. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS IS NOT EXPECTED THROUGH SUNDAY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 211 PM CDT MON JUN 11 2007 LAZ034>037-047-048-MSZ068>071-112015- AMITE-EAST BATON ROUGE-EAST FELICIANA-PIKE-POINTE COUPEE-ST HELENA- WALTHALL-WEST BATON ROUGE-WEST FELICIANA-WILKINSON- 211 PM CDT MON JUN 11 2007 ...SCATTERED THUNDERSTORMS ACROSS SOUTHWEST MISSISSIPPI AND EAST CENTRAL LOUISIANA... SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS SOUTHWEST MISSISSIPPI AND EAST CENTRAL LOUISIANA DURING THE AFTERNOON HOURS. SOME OF THESE THUNDERSTORMS WILL PRODUCE FREQUENT LIGHTNING... WIND GUSTS TO 45 MPH...AND HEAVY DOWNPOURS OF RAIN AS THEY DRIFT SLOWLY SOUTHWEST. ISOLATED RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME WILL BE POSSIBLE WITH SOME OF THE THUNDERSTORMS AND MAY RESULT IN THE FLOODING OF SOME ROADWAYS AND LOW LYING AREAS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 312 PM CDT MON JUN 11 2007 LAZ040-MSZ080-081-112100- HANCOCK-HARRISON-ST TAMMANY- 312 PM CDT MON JUN 11 2007 ...SCATTERED STRONG THUNDERSTORMS ALONG THE MISSISSIPPI GULF COAST AND THE NORTHSHORE OF LAKE PONTCHARTRAIN... SCATTERED STRONG THUNDERSTORMS EXTENDING FROM JUST WEST OF GULFPORT TO PEARLINGTON TO SLIDELL AND NEAR COVINGTON WILL DRIFT SLOWLY WEST THROUGH 4 PM. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING FREQUENT LIGHTNING...HEAVY DOWNPOURS OF RAIN...AND WIND GUSTS TO 45 MPH. THE LOCALIZED FLOODING OF SOME ROADWAYS AND LOW LYING AREAS WILL BE POSSIBLE WITH SOME OF THE THUNDERSTORMS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 337 PM CDT MON JUN 11 2007 LAZ034>038-046>050-MSZ068>071-112130- AMITE-ASCENSION-EAST BATON ROUGE-EAST FELICIANA-IBERVILLE-LIVINGSTON- PIKE-POINTE COUPEE-ST HELENA-TANGIPAHOA-WALTHALL-WEST BATON ROUGE- WEST FELICIANA-WILKINSON- 337 PM CDT MON JUN 11 2007 ...SCATTERED STRONG THUNDERSTORMS AFFECTING AREAS OF SOUTHWEST MISSISSIPPI AND EAST CENTRAL AND SOUTHEAST LOUISIANA... STRONG THUNDERSTORMS SCATTERED ACROSS SOUTHWEST MISSISSIPPI AND ALONG AND NORTH OF INTERSTATES 10 AND 12 IN SOUTHEAST AND EAST CENTRAL LOUISIANA WILL CONTINUE TO DRIFT SLOWLY SOUTH THROUGH THE REMAINDER OF THE AFTERNOON HOURS. SOME OF THESE THUNDERSTORMS WILL BE CAPABLE OF CAPABLE OF PRODUCING FREQUENT LIGHTNING...HEAVY DOWNPOURS OF RAIN...AND WIND GUSTS TO 45 MPH AS THEY AFFECT AREAS AROUND CENTREVILLE AND LIBERTY IN MISSISSIPPI AND LIVINGSTON...BATON ROUGE GREENSBURG AND INDEPENDENCE IN LOUISIANA THROUGH 430 PM. LOCALIZED FLOODING OF SOME ROADWAYS AND LOW LYING AREAS WILL BE POSSIBLE WITH SOME OF THE THUNDERSTORMS.
LAZ046>048-112215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 424 PM CDT MON JUN 11 2007 ...THUNDERSTORM WITH STRONG GUSTY WINDS AND SMALL HAIL MOVING ACROSS IBERVILLE PARISH... AT 418 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH STRONG GUSTY WINDS AND SMALL HAIL NEAR PORT ALLEN....OR ABOUT OVER GROSSE TETE....MOVING SOUTHWEST AT 5 MPH. WIND GUSTS OF 35 TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM. DUE TO SLOW MOVEMENT...RAINFALL AMOUNTS OF 2 INCHES CAN BE EXPECTED GROSSE TETE THROUGH 5 PM. BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL MEDIA OUTLETS FOR FURTHER DETAILS OR UPDATES FROM THE NATIONAL WEATHER SERVICE.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds blew down an estimated 30 utility poles.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2007Every state in 2007This day in weather historyWarnings in Louisiana, June 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: 45432.