1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Aug 8, 2:03 PM CST, 57 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 303 PM CDT MON AUG 8 2005 .DISCUSSION... THIS AFTERNOON...SURFACE LOW REMAINS AROUND THE FL PANHANDLE. THIS LOW WILL CONTINUE TO SLOWLY MEANDER NWD INTO AL...WEAKEN...OPEN UP AND BECOME CONSUMED BY THE GREATER FLOW. THIS IN TURN WILL BEGIN TO SHIFT OUR LOW LEVEL FLOW FROM NRLY/NWRLY ON THE BACK SIDE OF THE LOW TO MORE WRLY AS THIS LOW MOVES NWD AND FURTHER AWAY. BY THE END OF THE WEEK...HIGH PRESSURE OVER THE ATLANTIC WILL MORE INFLUENCE OUR OVERALL FLOW BECOMING SW/S OVER THE LA/MS COAST. IN THE UPPER LEVELS...THE UPPER LOW HAS OPENED AND IS BECOMING ABSORBED BY THE LARGE TROUGH OVER THE NE U.S. WITH A TRAILING DISTURBANCE AND ASSOCIATED VORT MAX OVER NE TX AND INTO LA. THIS DISTURBANCE ALONG THE BASE OF THE TROUGH IS HELPING TO FIRE UP SHOWERS AND THUNDERSTORMS THIS AFTERNOON IN AN INCREASINGLY MOIST ENVIRONMENT. ADD HEAT AND MIX. FLOW THOUGH NWRLY RIGHT NOW WILL BECOME MORE WRLY ON TUESDAY AS THE TROUGH DIPS A LITTLE FURTHER S. BY WED...WE BEGIN TO FEEL THE AFFECTS OF THE UPPER HIGH OVER THE ATLANTIC CREEPING WWD. THIS WILL MAKE THE FLOW TURN MORE SW AS THE MODELS WANT TO BRING THE MAIN UPPER TROUGH AND PULL IT AWAY FROM THE BASE OVER NW LA FORMING A CLOSED LOW. THIS WILL BE A FOCUS FOR WEATHER GENERATION AROUND THIS LOW MID WEEK. THIS UPPER LOW SHOULD WEAKEN DURING THURSDAY. THIS WILL ALLOW FOR LESS FOCUSING MECHANISMS AS WE HEAD TOWARD THE END OF THE FORECAST PERIOD ON THE WEEKEND...AND MORE OF DIURNAL SUMMER SEA BREEZE INFLUENCE ACTIVITY IN THE AFTERNOON AND EVENINGS TYPE EVENTS. NO MAJOR CHANGES TEMPERATURE-WISE...PRETTY STAGNANT PATTERN...ONLY A DEGREE HERE OR THERE IN EITHER DIRECTION. THE AFTERNOON ACTIVITY...ALTHOUGH A DAMPER ON SUMMERTIME EVENTS...WILL HELP ALLEVIATE HEAT PERIODICALLY WITH ADDITIONAL CLOUD COVER AND RAINFALL. && .PRELIMINARY POINT TEMPS/POPS... MCB 72 90 72 89 / 30 50 20 50 BTR 73 91 73 90 / 30 40 20 50 MSY 75 91 76 89 / 30 40 30 40 GPT 74 90 74 89 / 30 40 30 40 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 8
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1115 AM CDT MON AUG 8 2005 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-090100- 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- 1115 AM CDT MON AUG 8 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. SOME ACTIVITY WILL LINGER THROUGH THE EVENING HOURS AS WELL. THUNDERSTORMS THAT DEVELOP ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY. A FEW THUNDERSTORMS EACH DAY MAY BE STRONG AND CAPABLE OF PRODUCING FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND LOCALLY HEAVY RAIN. ORGANIZED SEVERE THUNDERSTORM DEVELOPMENT IS NOT 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. 8
The national radar mosaic for the moment the first event began.
1 lightning. Local standard time, as filed.
A lightning strike caused a fire that severely damaged a house.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2005Every state in 2005This day in weather historyWarnings in Louisiana, August 2005
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: 5475542.