Lightning triggered a fire that damaged a home in Terrebonne Parish.
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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.
Lightning triggered a fire that damaged a home in Terrebonne Parish.
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 20, 11:50 AM CST, 1 hour 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 1250 PM CDT FRI AUG 20 2010 .AVIATION... REGIONAL RADARS SHOWED AN INCREASE IN CONVECTION ACROSS SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI THAT WILL AFFECT ALL TAF SITES AT TIMES THIS AFTERNOON TO 23Z. WITH THE HIGH OVER EAST AND CENTRAL GULF...SOUTHWEST FLOW WILL PREVAIL THROUGH SAT. RELATIVELY DRY MID LAYER AIR MASS COMING IN FROM THE SOUTHEAST WILL CURTAIL NIGHT TIME CONVECTION OVER THE COASTAL AREAS TONIGHT. WILL OMIT TEMPO...PROB AND VC OF TS FROM ALL TAF SITES TONIGHT. A FEW HOURS OF MVFR TO IFR CONDITIONS ARE POSSIBLE AT SITES KMCB...KHUM...KASD AND KHSA. OTHERWISE...VFR CONDITIONS WILL PREVAIL THROUGH THE PERIOD. && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1049 AM CDT FRI AUG 20 2010 GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>040- 046>050-056>070-MSZ068>071-077-080>082-211600- LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND- LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND- COASTAL WATERS FROM THE PORT FOURCHON TO LOWER ATCHAFALAYA RIVER OUT 20 NM- COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON OUT 20 NM- COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM- COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA OUT 20 NM- COASTAL WATERS FROM THE PORT FOURCHON TO LOWER ATCHAFALAYA RIVER FROM 20 TO 60 NM- COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON FROM 20 TO 60 NM- COASTAL WATERS FROM STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM- COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA 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- 1049 AM CDT FRI AUG 20 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY...AND WILL BECOME MORE WIDESPREAD DURING THE AFTERNOON AND EARLY EVENING HOURS. ALTHOUGH ORGANIZED SEVERE THUNDERSTORM DEVELOP IS NOT EXPECTED...A FEW STORMS MAY BE STRONG AND PRODUCE FREQUENT LIGHTNING...GUSTY WINDS AND LOCALLY HEAVY RAINFALL. OTHERWISE...NO WEATHER HAZARDS ARE EXPECTED THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORMS... SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST FOR EACH DAY DURING THE PERIOD...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. ALTHOUGH ORGANIZED SEVERE THUNDERSTORM DEVELOP IS NOT EXPECTED...A FEW STORMS MAY BE STRONG AND PRODUCE FREQUENT LIGHTNING...GUSTY WINDS AND LOCALLY HEAVY RAINFALL. HEAT... AFTERNOON HIGH TEMPERATURES IN THE MID 90S COMBINED WITH HIGH HUMIDITY LEVELS WILL RESULT IN HEAT INDEX VALUES OF 105 TO 110 DEGREES SATURDAY AND SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
LAZ063-064-070-201915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 117 PM CDT FRI AUG 20 2010 ...CLUSTER OF THUNDERSTORMS MOVING EAST AFFECTING ST. BERNARD PARISH...PLAQUEMINES PARISH... AT 112 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS NEAR CHALMETTE...OR ABOUT 3 MILES NORTH OF VIOLET...MOVING EAST AT 15 MPH. THE CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND...VIOLET AND YSCLOSKEY THE PRIMARY THREAT FROM THESE STORMS IS WIND GUSTS TO NEAR 35 MPH... WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THESE STORMS HAVE PASSED.
The national radar mosaic for the moment the first event began.
1 lightning. Local standard time, as filed.
Lightning sparked a fire that caused major damage to the second story of a home in Dularge.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2010Every state in 2010This day in weather historyWarnings in Louisiana, August 2010
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: 254296.