Isolated strong to severe thudnerstorms developed in a moist and 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 thudnerstorms developed in a moist and 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 Jul 3, 3:00 PM CST, 1 hour 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 400 PM CDT THU JUL 3 2008 .SHORT TERM... RADAR COVERAGE PATTERN LOOKS QUITE NORMAL FOR THIS TIME OF YEAR. CONVECTION IS DRIFING SOMEWHAT ERRATIC AND DRIVEN BY OUTFLOW BOUNDARIES THAT SHOULD MAINTAIN CONVECTIONS THROUGH SUNSET. HIGH GUSTS HAVE BEEN 26 KNOTS AT KNEW AND OCCASIONAL VIL VALUES UP TO 60 KG/M2 BUT NOTHING OF NOTE AS A CONSEQUENCE. OTHERWISE...ONSHORE FLOW WITH BERMUDA RIDGE EXTENSION TO PREVAIL THROUGH THE HOLIDAY WEEKEND. .LONG TERM... OVERALL PERSISTENT LOW LEVEL PATTERN WITH RIDGE EXTENSION ALONG THE GULF COAST. THE UPPER LEVEL PATTERN WILL FEATURE FAIRLY DEEP AND STATIONARY TROUGHING ALONG THE EASTERN SEABOARD AND APPALACHIAN STATES...ALONG WITH STATIONARY RIDGING IN THE INTERMOUNTAIN REGION WELL INTO NEXT WEEK. THIS SHOULD IMPART NEAR CLIMO RAIN CHANCES EACH DAY ALONG WITH NEAR NORMAL TEMPERATURES. WILL HAVE TO CONTINUE MONITORING THE WEST GULF FOR POSSIBLE TROPICAL DEVELOPMENT EARLY NEXT WEEK AS INDICATED FOR THE PAST FEW RUNS OF THE MODELS ALONG THE TEXAS COAST. THIS SHOULD NOT BE MUCH OF A CONCERN FOR OUR AREA BUT HAS THE APPEARANCES OF ALISON OR FRANCES FROM THE LATE 1990S...WIDESPREAD HEAVY RAIN EVENTS OF TROPICAL NATURE. && .AVIATION... OUTSIDE OF LOCAL CONVECTION...VFR CONDITIONS TO PREVAIL THROUGH FRIDAY. FOR KMSY...FIREWORKS DISPLAYS MAY CAUSE TEMPO LOWER VISIBILITIES IN SMOKE FROM 03Z THROUGH 06Z. && .MARINE... NO ISSUES WITH LIGHT WINDS AND LOW SEAS. THE ONLY CONCERN WILL BE LAND BREEZE CONVECTION NEAR SHORE MAINLY AFTER 3 AM AND WATERSPOUTS UNDER DEVELOPING TOWERS AFTER DAYBREAK. && .PRELIMINARY POINT TEMPS/POPS... MCB 69 91 71 90 / 10 30 10 40 BTR 72 91 72 90 / 10 40 10 40 MSY 74 90 76 90 / 20 40 20 40 GPT 71 89 74 88 / 20 30 10 40 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 24
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1105 AM CDT THU JUL 3 2008 GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077- 080>082-040200- 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- 1105 AM CDT THU JUL 3 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS TODAY WILL BE CAPABLE OF PRODUCING DOWNBURSTS OF STRONG WINDS 35 TO 40 MPH...LOCALLY HEAVY RAINFALL AND FREQUENT LIGHTNING. ORGANIZED SEVERE THUNDERSTORMS ARE NOT EXPECTED BUT A FEW STRONGER STORMS MAY APPROACH SEVERE LEVELS THIS AFTERNOON. WATERSPOUTS WILL ALSO BE POSSIBLE IN THE COASTAL WATERS AND COASTAL MARSHES. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SCATTERED THUNDERSTORMS CAN BE EXPECTED EACH DAY...NEAR THE COAST IN THE EARLY MORNING...AND DEVELOPING INLAND BY LATE MORNING THROUGH THE EARLY EVENING. WHILE ORGANIZED SEVERE WEATHER NOT ANTICIPATED THROUGH WEDNESDAY...A FEW STORMS MAY BRIEFLY PULSE TO MARGINALLY SEVERE LEVELS WITH THE PRIMARY THREAT BEING DOWNBURST WIND GUSTS AND FREQUENT LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 24
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 219 PM CDT THU JUL 3 2008 MSZ080-081-032000- HANCOCK-HARRISON- 219 PM CDT THU JUL 3 2008 ...STRONG THUNDERSTORM AFFECTING AREAS OF EASTERN HANCOCK COUNTY... A STRONG THUNDERSTORM IN THE VICINITY OF KILN AND DIAMONDHEAD WILL DRIFT NORTHEAST INTO WESTERN AREAS OF HARRISON COUNTY THROUGH 3 PM. THIS THUNDERSTORM WILL PRODUCE FREQUENT LIGHTNING...HEAVY DOWNPOURS OF RAIN AND WIND GUSTS UP TO 35 MPH.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 332 PM CDT THU JUL 3 2008 LAZ060-032100- ST CHARLES- 332 PM CDT THU JUL 3 2008 ...STRONG THUNDERSTORM AFFECTING NORTHERN ST. CHARLES PARISH... A STRONG THUNDERSTORM IN THE VICINITY OF NORCO AND DESTREHAN WILL PRODUCE FREQUENT LIGHTNING...WIND GUSTS UP TO 40 MPH... AND HEAVY DOWNPOURS OF RAIN AS IT DRIFTS SLOWLY EAST THROUGH 4 PM. LOCALIZED FLOODING OF ROADWAYS AND LOW LYING AREAS MAY OCCUR WITH THIS STORM.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 440 PM CDT THU JUL 3 2008 LAZ049-050-057-058-032215- ASCENSION-LIVINGSTON-ST JAMES-ST JOHN THE BAPTIST- 440 PM CDT THU JUL 3 2008 ...STRONG THUNDERSTORM WEST OF LAKE MAUREPAS... A STRONG THUNDERSTORM WEST OF LAKE MAUREPAS BETWEEN INTERSTATE 10 AND WHITEHALL WILL PRODUCE FREQUENT LIGHTNING...WIND GUSTS UP TO 45 MPH...AND HEAVY DOWNPOURS OF RAIN AS IT DRIFTS SLOWLY NORTH THROUGH 515 PM. LOCALIZED FLOODING OF ROADWAYS AND LOW LYING AREAS MAY OCCUR WITH THIS STORM.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 451 PM CDT THU JUL 3 2008 LAZ034-032230- POINTE COUPEE- 451 PM CDT THU JUL 3 2008 ...STRONG THUNDERSTORM SOUTH OF NEW ROADS... A STRONG THUNDERSTORM LOCATED BETWEEN LIVONIA AND NEW ROADS WILL PRODUCE FREQUENT LIGHTNING...WIND GUSTS UP TO 45 MPH...HEAVY DOWNPOURS OF RAIN AND POSSIBLY SMALL HAIL THROUGH 530 PM. THIS THUNDERSTORM WAS SHOWING LITTLE MOVEMENT...THEREFORE LOCALLY HEAVY RAINFALL MAY OCCUR WITH IT RESULTING IN THE FLOODING OF SOME ROADWAYS AND LOW LYING AREAS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 502 PM CDT THU JUL 3 2008 LAZ038-050-032300- LIVINGSTON-TANGIPAHOA- 502 PM CDT THU JUL 3 2008 ...STRONG THUNDERSTORMS AFFECTING AREAS OF LIVINGSTON AND TANGIPAHOA PARISHES... A STRONG THUNDERSTORM WAS LOCATED ALONG AND JUST TO THE NORTH OF INTERSTATE 12 WEST OF HAMMOND...IN THE VICINITY OF BAPTIST AND ALBANY. OTHER STRONG THUNDERSTORMS EXTENDED FROM THE TOWN OF LIVINGSTON TO WHITEHALL. THE THUNDERSTORMS SHOWED LITTLE MOVEMENT OR A DRIFT TO THE NORTH. THESE STORMS ARE CAPABLE OF PRODUCING FREQUENT LIGHTNING...WIND GUSTS UP TO 45 MPH...HEAVY DOWNPOURS OF RAIN AND POSSIBLY HAIL UP TO MARBLE SIZE THROUGH 6 PM. LOCALLY HEAVY RAINFALL MAY OCCUR WITH THESE THUNDERSTORMS RESULTING IN THE FLOODING OF SOME ROADWAYS AND LOW LYING AREAS.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds knocked down trees and power lines.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2008Every state in 2008This day in weather historyWarnings in Louisiana, July 2008
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: 126523.