1 thunderstorm wind, as filed by the National Weather Service.
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 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 17, 1:48 PM CST, 52 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 248 PM CDT WED AUG 17 2005 .DISCUSSION... EARLY THIS AFTERNOON THERE WAS AN UPPER-LEVEL TROUGH DRIFTING WESTWARD ALONG THE MISSISSIPPI AND SOUTHEAST LOUISIANA GULF COAST. THIS WAS BRINGING SCATTERED TO NUMEROUS THUNDERSTORMS TO THE PCWA. THE TROUGH WILL MOVE WEST OF THE AREA TOMORROW. BEHIND THE TROUGH A RIDGE OF HIGH PRESSURE WILL MOVE ACROSS THE CENTRAL GULF COAST. THE ACCOMPANYING SUBSIDENCE WILL LEAD TO LOWER POPS ACROSS THE REGION. THIS COUPLED WITH HIGHS IN THE MID-UPPER 90S AND HIGH HUMIDITY WILL LEAD TO HEAT INDICES IN THE 105-110 RANGE THROUGH THE WEEKEND. THE RIDGE WILL WEAKEN EARLY NEXT WEEK AS A SURFACE FRONT DROPS INTO THE SOUTHEASTERN STATES...BRINGING POPS BACK TOWARD CLIMATOLOGY. && .PRELIMINARY POINT TEMPS/POPS... MCB 73 93 74 95 / 30 40 20 20 BTR 74 95 76 96 / 30 40 20 20 MSY 77 94 78 94 / 30 30 20 20 GPT 75 93 76 93 / 30 40 20 20 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 25
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1100 AM CDT WED AUG 17 2005 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-181230- 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- 1100 AM CDT WED AUG 17 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 WIDESPREAD THUNDERSTORMS WILL OCCUR THROUGH THIS EVENING. AN UPPER LEVEL LOW AND DAYTIME HEATING WILL COMBINE TODAY TO MAKE THE ENVIRONMENT A FAVORABLE FOR STRONG THUNDERSTORMS. AN ISOLATED SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS ALSO WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED THUNDERSTORMS ARE EXPECTED THURSDAY. MOST OF THE THUNDERSTORM ACTIVITY WILL REMAIN WEAK...BUT A FEW LOCALLY STRONG THUNDERSTORMS ARE POSSIBLE. FRIDAY THROUGH SUNDAY...ONLY ISOLATED THUNDERSTORMS ARE EXPECTED. MONDAY AND TUESDAY WILL SEE SCATTERED THUNDERSTORMS ONCE AGAIN. HEAT INDEX VALUES WILL LIKELY BE IN THE 105 TO 110 DEGREE RANGE TOWARD THE END OF THIS WEEK AS HIGH PRESSURE BUILDS IN AND THUNDERSTORM COVERAGE BECOMES LOW. .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.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 327 PM CDT WED AUG 17 2005 LAZ059-065-172130- UPPER LAFOURCHE-UPPER TERREBONNE- 327 PM CDT WED AUG 17 2005 ...STRONG THUNDERSTORM ARE AFFECTING SECTIONS OF NORTHERN LAFOURCHE AND TERREBONNE PARISHES... AT 320 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF MODERATE TO STRONG THUNDERSTORM MOVING SLOWLY WEST-NORTHWEST ACROSS THE NORTHERN SECTIONS OF LAFOURCHE AND TERREBONNE PARISHES. THE STRONGEST THUNDERSTORMS WERE APPROACHING THE THIBODAUX...SHRIEVER AND HOUMA AREAS. THE PRIMARY THREATS FROM THIS STORM ARE FREQUENT CLOUD TO GROUND LIGHTNING...WIND GUSTS OF 30 TO 40 MPH...SMALL HAIL...AND HEAVY DOWNPOURS OF RAIN. LOCALIZED FLOODING OF LOW LYING AREAS AND ROADWAYS WILL BE POSSIBLE WITH THIS THUNDERSTORM. 8
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds blew over a small out building, ripped the skirting off of a mobile home, and knocked down large tree limbs.
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: 5475538.