An upper level disturbance moved across the area enhancing afternoon thunderstorms. One storm became severe.
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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 LCH wrote it up.
An upper level disturbance moved across the area enhancing afternoon thunderstorms. One storm became severe.
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 Lake Charles, LA wrote its last area forecast discussion before the first event at Aug 10, 11:45 AM CST, 47 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 1245 PM CDT SAT AUG 10 2013 ..DISCUSSION... FOR 18Z TAF ISSUANCE. && .AVIATION... ATMOSPHERE RIPE FOR CONVECTION THIS AFTERNOON. ALL AREAS TO BEGIN WITH VFR...HOWEVER...WILL LIKELY SEE BRIEF DIPS TO MVFR CONDITIONS ALL AREAS DURING THE AFTERNOON. LFT SITE HAS CONVECTION OCCURRING NOW...AND THE REST WILL FOLLOW DURING THE NEXT TWO HOURS. TAF SITES BPT & LCH COULD SEE HEAVY DOWNPOURS OF 2 TO 3 INCHES AND VAIABLES GUSTY WINDS UP TO 25KTS. FREQUENT LIGHTNING ALSO A VERY LIKELY POSSIBILITY IN THE STRONGER STORMS. && .UPDATE...MORNING SOUNDING COMING IN WITH A WHOPPING PRECIPITABLE WATER VALUE OF 2.41 INCHES...TWO STANDARD DEVIATIONS ABOVE THE NORM. WHILE MAIN CONVECTION AT THIS TIME IS WITH LOW LEVEL TROF MOVING ONSHORE OF EAST TEXAS. ISOLATED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE NOW FIRING OVER THE IMMEDIATE FORECAST AREA IN THE WAKE OF THIS FEATURE BOTH INLAND AND OVER THE NEAR COASTAL WATERS. WATER VAPOR IMAGERY SHOWING DRIER AIR FILTERING INTO EAST LOUISIANA ON THE WEST SIDE OF APPROACHING TROPICAL WAVE OVER THE CENTRAL GULF. STILL HOWEVER WILL MAINTAIN PLENTIFUL MOISTURE THROUGH THE AFTERNOON TO ANTICIPATE CONSIDERABLE CONVECTION. WITH HIGH TROPICAL MOISTURE VALUES...STRONGER SHOWERS AND THUNDERSTORMS WILL PRODUCE HIGH-END RAINFALL RATES. CURRENT FORECAST LOOKS GOOD AND NO UPDATE WILL BE ISSUED. && MARCOTTE && .PREV DISCUSSION... /ISSUED 715 AM CDT SAT AUG 10 2013/ DISCUSSION... FOR 12Z TAF ISSUANCE. AVIATION... LOCAL 88DS SHOW PLENTY OF SHOWERS AND STORMS OVER THE COASTAL WATERS AND SKIRTING THE SWRN LA/SERN TX COASTLINE...ASSOCIATED WITH PASSING WAVE OVER THE N-CNTL/NWRN GULF. THIS CONVECTION WILL BE MOST WIDESPREAD OVER THE SRN SITES TODAY...ESPECIALLY AT KLCH/KBPT WHERE PREVAILING SHOWERS/TEMPO THUNDER HAS BEEN INSERTED FOR PART OF THE AFTERNOON. SHOWERS AND STORMS SHOULD MOSTLY COME TO AN END WITH SUNSET ALTHOUGH VCSH HAS BEEN RETAINED INTO THE EVENING AT THE SWRN SITES WHERE LIFT FROM THE WAVE MAY BE ENOUGH TO OVERCOME LOSS OF HEATING. 25 PREV DISCUSSION... /ISSUED 423 AM CDT SAT AUG 10 2013/ DISCUSSION... WARM AND MUGGY ACROSS THE AREA THIS MORNING AS MOISTURE CONTINUES TO INCREASE WITH THE APPROACH OF AN EASTERLY WAVE THIS MORNING. SHOWERS AND A FEW THUNDERSTORMS ARE CURRENTLY ONGOING IN ASSOCIATION WITH THIS WAVE...MAINLY OFFSHORE AT THIS TIME. SOME AREAS WILL GET MUCH NEED RAINFALL ACROSS THE AREA TODAY AND TOMORROW. MOST OF THE AREA WE ARE FORECASTING A QUARTER OF AN INCH OR LESS TODAY...HOWEVER IN HEAVIER SHOWERS...AVERAGE AMOUNTS COULD BE UP IN THE 0.50 TO 0.75 OF AN INCH RANGE. THE BEST CHANCE FOR THIS IS OVER SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA. PRETTY MUCH RINSE AND REPEAT ON SUNDAY AS TUTT LOW PROPAGATES WEST TOWARDS SOUTH CENTRAL LOUISIANA. FORECASTING THE HEAVIEST RAINS TO BE ACROSS SOUTH CENTRAL LOUISIANA AS WELL ON SUNDAY WITH ONE HALF TO NEAR ONE INCH AMOUNTS CURRENTLY FORECAST. BETTER THAN AVERAGE RAIN CHANCES WILL CONTINUE INTO MONDAY. TUESDAY WILL BE A MOSTLY RAIN FREE DAY AS THE ABOVE FEATURES WEAKEN AND A SHOT OF DRIER AIR MOVES OVER. RAIN CHANCES BEGIN TO RAMP UP AGAIN WEDNESDAY AND THURSDAY AS AMPLIFIED EAST COAST TROF SENDS A BONAFIDE COOL FRONT INTO THE AREA. THE FRONT IS FORECAST TO PASS THROUGH AT LEAST THE NORTHERN HALF OF THE AREA FRIDAY AND PERHAPS ALL THE WAY TO THE COAST. DID TRIM TEMPERATURES DOWN A BIT ACROSS...MAINLY THE NORTHERN ZONES FOR FRIDAY. HOPEFULLY WE GET THE 1-2 INCHES OF RAIN THAT WE EXPECT OVER THE NEXT 5 DAYS. MARINE... A EASTERLY WAVE WILL CONTINUE TO PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE NORTHERN GULF THE NEXT FEW DAYS. LIGHT TO MODERATE MAINLY ONSHORE FLOW WILL CONTINUE AS WELL. && .PRELIMINARY POINT TEMPS/POPS... KLCH 92 76 91 76 92 / 50 20 50 20 50 KBPT 92 76 91 75 92 / 60 20 50 20 40 KAEX 94 74 93 73 93 / 40 10 40 10 40 KLFT 92 76 90 76 91 / 50 10 50 20 50 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...NONE. TX...NONE. GM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 429 AM CDT SAT AUG 10 2013 LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262- 110930- VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON- EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER- NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON- 429 AM CDT SAT AUG 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS WILL DEVELOP TODAY ACROSS THE AREA. WHILE THE RISK IS VERY LOW...SOME OF THE STORMS COULD PRODUCE DAMAGING WIND GUSTS AND DEADLY CLOUD TO GROUND LIGHTNING. SOME SHOWERS COULD PRODUCE LOCALLY HEAVY RAINFALL THAT COULD CAUSE PONDING OF WATER...MAINLY IN URBAN AND POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SHOWERS THUNDERSTORMS WILL CONTINUE THROUGH MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GMZ430-432-435-450-452-455-470-472-475-110930- SABINE LAKE-CALCASIEU LAKE-VERMILION BAY- COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM- COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM- COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA OUT 20 NM- WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM- WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM- WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM 20 TO 60 NM- 429 AM CDT SAT AUG 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE TODAY. THE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING CLOUD TO WATER LIGHTNING AND GUSTY WINDS AND LOCALLY HIGHER SEAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1242 PM CDT SAT AUG 10 2013
LAZ074-101815-
EAST CAMERON LA-
1242 PM CDT SAT AUG 10 2013
...SIGNIFICANT WEATHER ADVISORY FOR CAMERON PARISH UNTIL 115 PM
CDT...
AT 100 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
CLUSTER OF STRONG THUNDERSTORMS 6 MILES SOUTHEAST OF GRAND CHENIER...
MOVING WEST AT 10 MPH.
THE CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND
AROUND...GRAND CHENIER.
THE PRIMARY THREATS FROM THESE STORMS ARE FREQUENT LIGHTNING AND WIND
GUSTS TO NEAR 45 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.
THESE STORMS 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.
LAT...LON 2967 9289 2967 9290 2970 9295 2972 9304
2973 9305 2988 9298 2977 9271 2962 9278
06The Lake Charles radar (KLCH), 20 km away, was scanning. The volume nearest the first event began at 18:32 UTC.
1 thunderstorm wind. Local standard time, as filed.
A severe thunderstorm moved from south of Sweet Lake toward Lake Charles. The storm blew over a tree along Big Pasture Road. The Cameron Parish Sheriffs' Department relayed the report.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2013Every state in 2013This day in weather historyWarnings in Louisiana, August 2013
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: 460544.