Lightning from an isolated thunderstorm injured 3 people near Covington.
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.
Lightning from an isolated thunderstorm injured 3 people near Covington.
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 13, 2:24 PM CST, 2 hours 36 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 324 PM CDT SAT AUG 13 2011 .SYNOPSIS... SCATTERED CONVECTION HAS AGAIN BROKEN OUT ACROSS THE AREA. THIS HAS STOPPED THE THERMOMETER FROM MAXING OUT IN THE UPPER 90S...WITH MOST AREAS REACHING 93-94 BEFORE RECEIVING RAIN. MOST STORMS HAVE BEEN OUTFLOW DOMINATED...RAINING THEMSELVES OUT IN ABOUT 30 MINUTES OR SO. && .SHORT TERM... GREAT LAKES SHORTWAVE STILL EXPECTED TO SWING A COLD FRONT INTO THE AREA SUNDAY AFTERNOON AND EVENING. THIS WILL BRING DRIER AIR INTO THE AREA FOR MONDAY AND TUESDAY. CURRENT SCATTERED CONVECTION SHOULD START DIMINISHING AROUND SUNSET...BUT UPSTREAM CONVECTION OVER ARKANSAS COULD REFIRE LATER TONIGHT...SO WILL HOLD SMALL POPS IN FOR ENTIRE NIGHT. SCATTERED CONVECTION AGAIN ON SUNDAY WILL GRADUALLY BE FORCED SOUTHWARD INTO THE GULF. EXPECT SUNDAY NIGHT THROUGH TUESDAY TO REMAIN DRY AS RIDGING RE-ESTABLISHES ITSELF. FRONTAL BOUNDARY WILL BE MOST NOTABLE FOR BRINGING DRIER AIR INTO THE AREA. THIS WILL NOT BE REFLECTED IN HIGH TEMPERATURES...AS LITTLE SIGNIFICANT CHANGE IS EXPECTED THERE. LOW TEMPERATURES ARE LIKELY TO DROP ABOUT 6 DEGREES OR SO IN MOST AREAS BY MONDAY NIGHT. GUIDANCE HAS BEEN SLIGHTLY TOO COOL ON LOWS RECENTLY...SO DID NOT GO QUITE AS LOW AS GUIDANCE ADVERTISES. HUMIDITIES WILL ALSO BE LOWER...SO NO HEAT ADVISORY HEADLINES ARE EXPECTED IN THE SHORT TERM. 35 && .LONG TERM... RIDGING WILL AGAIN ATTEMPT TO BREAK DOWN NEXT WEEKEND WITH RAIN CHANCES RETURNING. TEMPERATURES WILL REMAIN ABOVE NORMAL THROUGH THE FORECAST PERIOD. 35 && .AVIATION... MOSTLY VFR CONDITIONS BUT LOOK FOR MORE COVERAGE OF SHRA AND TSRA THIS AFTN. OF COURSE WITH ANY STORM YOU CAN EXPECT TO SEE IFR RESTRICTIONS POSSIBLY LIFR. CONVECTION SHOULD COME TO AN END AROUND 00-02Z AND THEN MOSTLY MID TO HIGH CLOUDS BUT AROUND 10-12 YOU COULD START TO SEE LGT SHRA AND POSSIBLY TSRA MOVE IN FROM THE NORTH. /CAB/ && .MARINE... NO SIGNIFICANT MARINE ISSUES ANTICIPATED THROUGH THE PERIOD. WINDS MAY OCCASIONALLY RISE ABOVE 10 KNOTS...MAINLY EAST OF THE MISSISSIPPI RIVER...BUT WILL REMAIN BELOW HEADLINE CRITERIA. 35 && .PRELIMINARY POINT TEMPS/POPS... MCB 74 95 70 93 / 20 30 10 10 BTR 77 96 73 94 / 20 30 10 10 ASD 77 95 74 94 / 20 30 10 10 MSY 79 95 77 94 / 20 30 10 10 GPT 78 94 75 94 / 20 30 10 10 PQL 77 94 72 92 / 20 30 10 10 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 241 PM CDT SAT AUG 13 2011 GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037- 039-040-046>050-056>072-MSZ068>071-077-080>082-141945- LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND- LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND- COASTAL WATERS FROM 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 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- 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-NORTHERN TANGIPAHOA- SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER- HANCOCK-HARRISON-JACKSON- 241 PM CDT SAT AUG 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS A FEW POSSIBLY STRONG TO SEVERE ARE STILL POSSIBLE FOR THE REMAINDER OF THE AFTERNOON AND INTO THE EVENING. THE MAIN THREATS WILL BE FREQUENT LIGHTNING...STRONG TO DAMAGING GUSTY WINDS AND BRIEF PERIODS OF LOCALLY HEAVY RAINFALL. TEMPERATURES AND HEAT INDEX VALUES WILL REMAIN UNCOMFORTABLE TODAY. THUNDERSTORM ACTIVITY AND CLOUD COVER SHOULD KEEP MOST AREAS NEAR OR LESS THAN 105 DEGREE HEAT INDEX VALUES. BUT THERE WILL BE A FEW AREAS WITH ENOUGH SUN EXPOSURE THROUGH THE DAY TO CAUSE HEAT INDEX VALUES TO MOVE SLIGHTLY ABOVE 105 DEGREES AND OUTDOOR ACTIVITIES SHOULD BE KEPT TO A MINIMUM IF POSSIBLE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED THUNDERSTORMS ARE EXPECTED ONCE AGAIN SUNDAY. A FRONT WILL BE APPROACHING ALONG WITH STRONGER WINDS AND DRIER AIR IN THE MID LEVELS AND THIS COULD LEAD TO ISOLATED SEVERE THUNDERSTORMS. THE MAIN CONCERN WILL BE POSSIBLE IN THE FORM OF STRONG TO DAMAGING STRAIGHT LINE WINDS. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS IS NOT ANTICIPATED THROUGH SATURDAY...AUGUST 20TH. CAB
MSZ077-132015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 222 PM CDT SAT AUG 13 2011 ...STRONG THUNDERSTORM MOVING NORTHEAST AFFECTING PEARL RIVER COUNTY... AT 217 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 8 MILES WEST OF POPLARVILLE...OR ABOUT 7 MILES EAST OF CROSSROADS...MOVING NORTHEAST AT 5 MPH. THE STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND...POPLARVILLE THE PRIMARY THREATS FROM THIS STORM ARE FREQUENT LIGHTNING AND WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THIS STORM HAS PASSED. CAB
LAZ058-060-132030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 225 PM CDT SAT AUG 13 2011 ...STRONG THUNDERSTORM NEARLY STATIONARY AFFECTING ST. JOHN THE BAPTIST PARISH...ST. CHARLES PARISH... AT 221 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR LAPLACE. THE THUNDERSTORM WAS NEARLY STATIONARY. THE STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND...RESERVE...GARYVILLE AND EDGARD...BUT MOSTLY IMPACT TRAVEL ON INTERSTATE 10. TORRENTIAL RAINS COULD LEAD TO PONDING OF WATER ON THE INTERSTATE LEADING TO HYDROPLANING ALONG WITH DROPPING VISIBILITIES TO BELOW HALF A MILE. THE PRIMARY THREATS FROM THIS STORM ARE FREQUENT LIGHTNING AND 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 THIS STORM HAS PASSED. THIS STORM COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING. CAB
LAZ060-061-132100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 300 PM CDT SAT AUG 13 2011 ...STRONG THUNDERSTORM MOVING EAST AFFECTING ST. CHARLES PARISH... UPPER JEFFERSON PARISH... AT 254 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR KENNER...OR ABOUT 3 MILES NORTHWEST OF KENNER...MOVING EAST AT 10 MPH. THE STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND...KENNER... NEW ORLEANS ARMSTRONG AIRPORT...WAGGAMAN...HARAHAN...METAIRIE... AVONDALE...BRIDGE CITY AND WESTWEGO THESE STORMS WILL BE SLOW MOVING AND LIKELY REFIRE ON ANY BOUNDARIES THAT CONVERGE. RAINFALL WILL BE HEAVY IN A SHORT TIME AND COULD BECOME A PROBLEM ESPECIALLY ALONG INTERSTATE 10 WHERE THE RAIN MAY REDUCE VISIBILITIES TO LESS THAN HALF A MILE. THE PRIMARY THREATS FROM THIS STORM ARE FREQUENT LIGHTNING AND WIND GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THIS STORM HAS PASSED. THIS STORM COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING. CAB
The national radar mosaic for the moment the first event began.
1 lightning. Local standard time, as filed.
Lightning struck near a large group of people gathered for a four-wheel vehicle event north of Covington. Firefighters evaluated at least a dozen people who had minor injuries, and three people were taken to the hospital.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2011Every state in 2011This day in weather historyWarnings in Louisiana, August 2011
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: 322259.