Severe thunderstorms developed over southeast Louisiana, particularly in the greater Baton Rouge area.
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 episode as NWS LIX wrote it up.
Severe thunderstorms developed over southeast Louisiana, particularly in the greater Baton Rouge area.
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 9, 2:40 PM CST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 340 PM CDT WED AUG 9 2006 .DISCUSSION...HIGH PRESSURE CONTINUES OVER THE SOUTHERN PLAINS. DAYTIME HEATING AND FORCING ASSOCIATED WITH THE UPPER LEVEL LOW SPINNING ACROSS THE EAST CENTRAL GULF HAS TRIGGERED SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS OUR AREA THIS AFTERNOON. EXPECT THIS ACTIVITY TO CONTINUE THROUGH THE EARLY EVENING UNTIL THE LOSS OF DAYTIME HEATING DIMINISHES THE RAIN CHANCES. MAY SEE SOME PATCHY LIGHT FOG TONIGHT, ESPECIALLY IN AREAS THAT RECEIVED RAINFALL THIS AFTERNOON. SCATTERED POPS ARE FORECAST FOR TOMORROW AS THE UPPER LOW PUSHES INTO THE WESTERN GULF. NO SIGNIFICANT CHANGES IN FORECAST THINKING. FOLLOWING THE UPPER LOWS PASSAGE, HIGH PRESSURE WILL AGAIN DOMINATE THE WEATHER PATTERN FRIDAY THROUGH THE MIDDLE PART OF NEXT WEEK. HIGH TEMPERATURES WILL CLIMB INTO THE MID 90S AREAWIDE, WHILE LOW TEMPERATURES WILL DROP INTO THE MID AND UPPER 70S. ISOLATED TO WIDELY SCATTERED THUNDERSTORMS CAN BE EXPECTED EACH AFTERNOON. && .PRELIMINARY POINT TEMPS/POPS... MCB 74 94 75 94 / 30 40 20 20 BTR 75 94 75 95 / 30 40 20 20 MSY 76 92 76 93 / 30 40 20 20 GPT 76 93 76 93 / 30 40 20 20 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && 92/JSS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1111 AM CDT WED AUG 9 2006 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-101100- 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- 1111 AM CDT WED AUG 9 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH THIS EVENING. AN ISOLATED STRONG STORM WILL BE POSSIBLE, BUT SEVERE STORMS ARE NOT EXPECTED. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORM ACTIVITY IS EXPECTED TO DECREASE IN COVERAGE OVER THE WEEKEND, BUT THOSE THAT DO DEVELOP WILL HAVE THE POTENTIAL TO BECOME STRONG TO SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 92/JSS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 300 PM CDT WED AUG 9 2006 MSZ082-092045- JACKSON- 300 PM CDT WED AUG 9 2006 ...STRONG LINE OF THUNDERSTORMS MOVING INTO JACKSON COUNTY... AT 300 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS MOVING INTO JACKSON COUNTY. THE STORMS ARE MOVING TO THE SOUTHWEST AT 10 TO 15 MPH...AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING...HEAVY RAIN... AND SMALL HAIL. RAINFALL RATES UP TO 1.5 INCHES PER HOUR ARE POSSIBLE. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 334 PM CDT WED AUG 9 2006 LAZ038-040-092115- ST TAMMANY-TANGIPAHOA- 334 PM CDT WED AUG 9 2006 ...STRONG LINE OF THUNDERSTORMS OVER ST TAMMANY AND TANGIPAHOA PARISHES... AT 330 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM FROM THE WESTERN PORTION OF ST TAMMANY PARISH NORTH OF I-12 INTO TANGIPAHOA PARISH. THE STORMS ARE MOVING TO THE WEST AT 10 MPH...AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING...HEAVY RAIN...AND SMALL HAIL. RAINFALL RATES UP TO 1.5 INCHES PER HOUR ARE POSSIBLE. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 345 PM CDT WED AUG 9 2006 MSZ077-080>082-092130- HANCOCK-HARRISON-JACKSON-PEARL RIVER- 345 PM CDT WED AUG 9 2006 ...STRONG LINE OF THUNDERSTORMS OVER COASTAL MISSISSIPPI... AT 340 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM FROM PICAYUNE THROUGH VANCLEAVE MISSISSIPPI. THE STORMS ARE MOVING TO THE WEST AT 10 TO 15 MPH...AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING... HEAVY RAIN...AND SMALL HAIL. RAINFALL RATES UP TO 1.5 INCHES PER HOUR ARE POSSIBLE. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 416 PM CDT WED AUG 9 2006 MSZ077-080>082-092200- HANCOCK-HARRISON-JACKSON-PEARL RIVER- 416 PM CDT WED AUG 9 2006 ...STRONG LINE OF THUNDERSTORMS OVER SOUTH-CENTRAL AND COASTAL MISSISSIPPI... AT 415 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM FROM PEARL RIVER THROUGH JACKSON COUNTIES IN MISSISSIPPI. THE STORMS ARE MOVING TO THE WEST AT 10 TO 15 MPH... AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING...HEAVY RAIN...AND SMALL HAIL. RAINFALL RATES UP TO 2 INCHES PER HOUR ARE POSSIBLE CAUSING MINOR FLOODING OF LOW-LYING AREAS AND FLOOD-PRONE AREAS. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 423 PM CDT WED AUG 9 2006 LAZ058-092205- ST JOHN THE BAPTIST- 423 PM CDT WED AUG 9 2006 ...STRONG LINE OF THUNDERSTORMS OVER COASTAL MISSISSIPPI... AT 420 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORMS NORTHEAST OF RESERVE. THE STORMS ARE MOVING TO THE SOUTHWEST AT 10 TO 15 MPH...AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING...HEAVY RAIN...AND SMALL HAIL. RAINFALL RATES UP TO 1.5 INCHES PER HOUR ARE POSSIBLE. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA. 8
SPECIAL WEATHER STATEMENT...CORRECTED TYPO NATIONAL WEATHER SERVICE NEW ORLEANS LA 423 PM CDT WED AUG 9 2006 LAZ058-092205- ST JOHN THE BAPTIST- 423 PM CDT WED AUG 9 2006 ...STRONG THUNDERSTORM OVER ST JOHN THE BAPTIST PARISH... AT 420 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORMS NORTHEAST OF RESERVE. THE STORMS ARE MOVING TO THE SOUTHWEST AT 10 TO 15 MPH...AND ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH...FREQUENT LIGHTNING...HEAVY RAIN...AND SMALL HAIL. RAINFALL RATES UP TO 1.5 INCHES PER HOUR ARE POSSIBLE. PERSONS IN THIS AREA SHOULD SEEK SHELTER UNTIL THESE STORMS PASS. LIGHTNING IS A LEADING WEATHER KILLER. LEAVE FARM EQUIPMENT...GOLF COURSES AND SWIMMING POOLS UNTIL THESE STORMS ARE SAFELY OUT OF THE AREA. 8
The national radar mosaic for the moment the first event began.
3 hail, 2 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Penny to nickel size hail was reported in several locations of south Baton Rouge.
Broadcast media observer measured a 75 mph wind gust.
Penny size hail was reported in the eastern portion of the parish.
Penny size hail was reported in various areas across the parish.
Flash flooding of low lying areas and roadways reported in the southern portion of Baton Rouge.
Wind gusts to 70 mph were reported in Assumption Parish.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2006Every state in 2006This day in weather historyWarnings in Louisiana, August 2006
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: 5532844, 5532845, 5532846, 5532847, 5532848, 5532849.