274  
FNUS54 KLIX 202030  
FWFLIX  
 
FIRE WEATHER PLANNING FORECAST FOR S MS AND SE LA  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
330 PM CDT WED SEP 20 2017  
   
DISCUSSION
 
 
HIGH PRESSURE WILL KEEP MUCH OF THE AREA DRY THROUGH THE END OF THE  
WEEK.  
 
MSZ068>071-211015-  
WILKINSON-AMITE-PIKE-WALTHALL-  
INCLUDING THE CITIES OF CENTREVILLE, DOLOROSA, FORT ADAMS,  
WOODVILLE, GILLSBERG, GLOSTER, SMITHDALE, LIBERTY, MCCOMB,  
DEXTER, SALEM, AND TYLERTOWN  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 70 92 69 91  
RH (%) 100 51 100 44  
20FT WIND/AM(MPH) LGT/VAR LGT/VAR  
20FT WIND/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 1-5  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.03  
PRECIP DURATION (HR) 2 1  
MIXING HGT (M-AGL/MSL) 2072 2383  
TRANSPORT WIND (M/S) E 1 NE 2  
VENT RATE (M**2/S) 2072 4766  
CATEGORY DAY 2 3  
ADI EARLY 12 POOR 9 POOR 12 POOR 11 POOR  
ADI LATE 1 VERY POOR 12 POOR 1 VERY POOR 14 GEN POOR  
MAX LVORI EARLY 6 9 6 9  
MAX LVORI LATE 9 3 9 3  
MIN VSBY EARLY (MI) 6 FOG 1 FOG  
MIN VSBY LATE (MI) 3 FOG 7  
FOG POTENTIAL EARLY LOW HIGH LOW HIGH  
FOG POTENTIAL LATE HIGH NONE HIGH NONE  
SUPERFOG EARLY NONE NONE NONE POSSIBLE  
SUPERFOG LATE NONE NONE POSSIBLE NONE  
SILT/ 500 MLT (F) 79 79  
MRNG MXG HGT (M) 273 250  
STAGNATION INDEX 3 2 3 2  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 10 1 14  
 
FOG POTENTIAL AND OTHER REMARKS...AREAS OF LIGHT FOG AND PATCHY  
MODERATE FOG IS EXPECTED TONIGHT. FOG SHOULD FORM AFTER MIDNIGHT  
AND CLEAR BY 9 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70. NORTHEAST WINDS  
AROUND 5 MPH LATE IN THE AFTERNOON BECOMING LIGHT. MAXIMUM RH  
95 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH.  
MINIMUM RH 53 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. EAST WINDS  
AROUND 5 MPH. MAXIMUM RH 98 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH.  
MINIMUM RH 52 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS AROUND  
5 MPH. MAXIMUM RH 96 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 5 MPH.  
MINIMUM RH 53 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS AROUND  
5 MPH. MAXIMUM RH 96 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. EAST WINDS AROUND 5 MPH. MINIMUM  
RH 52 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST  
WINDS AROUND 5 MPH SHIFTING TO THE SOUTHWEST LATE IN THE EVENING.  
MAXIMUM RH 94 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. NORTHEAST WINDS AROUND  
5 MPH. MINIMUM RH 51 PERCENT.  
 

 
 
LAZ034>037-046>050-211015-  
POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-IBERVILLE-  
WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-  
INCLUDING THE CITIES OF NEW ROADS, LETTSWORTH, LIVONIA, SPILLMAN,  
ST. FRANCISVILLE, WAKEFIELD, JACKSON, CLINTON, FELPS, DARLINGTON,  
EASLEYVILLE, GREENSBURG, MONTPELIER, BAYOU SORREL, PLAQUEMINE,  
WHITE CASTLE, PORT ALLEN, ADDIS, BRUSLY, BATON ROUGE, GONZALES,  
DONALDSONVILLE, PRAIRIEVILLE, DENHAM SPRINGS, WATSON, AND WALKER  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 70 92 70 92  
RH (%) 100 49 100 44  
20FT WIND/AM(MPH) LGT/VAR LGT/VAR  
20FT WIND/PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 1-5  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.02  
PRECIP DURATION (HR) 1 1  
MIXING HGT (M-AGL/MSL) 2071 2258  
TRANSPORT WIND (M/S) E 1 E 2  
VENT RATE (M**2/S) 2071 4516  
CATEGORY DAY 2 3  
ADI EARLY 18 GEN POOR 10 POOR 13 GEN POOR 12 POOR  
ADI LATE 2 VERY POOR 12 POOR 1 VERY POOR 15 GEN POOR  
MAX LVORI EARLY 6 8 6 8  
MAX LVORI LATE 9 3 8 3  
MIN VSBY EARLY (MI) 10 2 FOG  
MIN VSBY LATE (MI) 4 FOG 8  
FOG POTENTIAL EARLY LOW HIGH LOW MODERATE  
FOG POTENTIAL LATE HIGH NONE MODERATE NONE  
SUPERFOG EARLY NONE NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE NONE  
SILT/ 500 MLT (F) 78 79  
MRNG MXG HGT (M) 285 250  
STAGNATION INDEX 3 2 3 2  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 12 1 16  
 
FOG POTENTIAL AND OTHER REMARKS...AREAS OF LIGHT FOG AND PATCHY  
MODERATE FOG IS EXPECTED TONIGHT. FOG SHOULD FORM AFTER MIDNIGHT  
AND CLEAR BY 9 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS AROUND 5 MPH  
LATE IN THE AFTERNOON BECOMING LIGHT. MAXIMUM RH 94 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 53 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 70. EAST WINDS AROUND  
5 MPH. MAXIMUM RH 96 PERCENT.    
SUNDAY
 
SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 54 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 93 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 56 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. SOUTHEAST WINDS 5 TO  
10 MPH. MAXIMUM RH 95 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. EAST WINDS AROUND 5 MPH. MINIMUM  
RH 54 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS  
AROUND 5 MPH. MAXIMUM RH 95 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. EAST WINDS AROUND 5 MPH.  
MINIMUM RH 52 PERCENT.  
 

 
 
LAZ039-040-071-072-MSZ077-211015-  
WASHINGTON-ST. TAMMANY-NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-  
PEARL RIVER-  
INCLUDING THE CITIES OF BOGALUSA, ENON, FRANKLINTON, SLIDELL,  
MANDEVILLE, COVINGTON, LACOMBE, AMITE, KENTWOOD, ROSELAND,  
WILMER, HAMMOND, ROBERT, PONCHATOULA, CROSSROADS, MCNEIL,  
AND PICAYUNE  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 71 91 70 91  
RH (%) 100 49 100 44  
20FT WIND/AM(MPH) LGT/VAR LGT/VAR  
20FT WIND/PM(MPH) LGT/VAR E 1-5 LGT/VAR E 1-5  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.04  
PRECIP DURATION (HR) 2 1  
MIXING HGT (M-AGL/MSL) 2082 2438  
TRANSPORT WIND (M/S) E 1 E 2  
VENT RATE (M**2/S) 2082 4876  
CATEGORY DAY 2 3  
ADI EARLY 11 POOR 12 POOR 12 POOR 12 POOR  
ADI LATE 2 VERY POOR 12 POOR 1 VERY POOR 15 GEN POOR  
MAX LVORI EARLY 6 8 6 9  
MAX LVORI LATE 9 3 9 3  
MIN VSBY EARLY (MI) 9 1 FOG  
MIN VSBY LATE (MI) 3 FOG 5 FOG  
FOG POTENTIAL EARLY LOW HIGH LOW HIGH  
FOG POTENTIAL LATE HIGH NONE HIGH NONE  
SUPERFOG EARLY NONE NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE NONE  
SILT/ 500 MLT (F) 78 79  
MRNG MXG HGT (M) 257 255  
STAGNATION INDEX 3 2 3 2  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 12 1 15  
 
FOG POTENTIAL AND OTHER REMARKS...AREAS OF LIGHT FOG AND PATCHY  
MODERATE FOG IS EXPECTED TONIGHT. FOG SHOULD FORM AFTER MIDNIGHT  
AND CLEAR BY 9 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS AROUND  
5 MPH. MAXIMUM RH 96 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 54 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 70. EAST WINDS AROUND  
5 MPH. MAXIMUM RH 97 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 55 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS AROUND 70. EAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 94 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 55 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS AROUND 70. SOUTHEAST WINDS AROUND 5 MPH.  
MAXIMUM RH 94 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. NORTHEAST WINDS AROUND 5 MPH  
SHIFTING TO THE SOUTHEAST LATE IN THE MORNING. MINIMUM RH  
53 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS  
AROUND 5 MPH SHIFTING TO THE WEST LATE IN THE EVENING. MAXIMUM RH  
96 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. NORTHEAST WINDS AROUND  
5 MPH. MINIMUM RH 50 PERCENT.  
 

 
 
MSZ080>082-211015-  
HANCOCK-HARRISON-JACKSON-  
INCLUDING THE CITIES OF BAY ST. LOUIS, WAVELAND, DIAMONDHEAD,  
GULFPORT, PASCAGOULA, OCEAN SPRINGS, MOSS POINT, GAUTIER,  
AND ST. MARTIN  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 71 90 70 90  
RH (%) 100 52 100 46  
20FT WIND/AM(MPH) LGT/VAR LGT/VAR  
20FT WIND/PM(MPH) LGT/VAR E 1-5 LGT/VAR E 2-6  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.05  
PRECIP DURATION (HR) 1 1  
MIXING HGT (M-AGL/MSL) 2016 2081  
TRANSPORT WIND (M/S) NE 2 E 2  
VENT RATE (M**2/S) 4032 4162  
CATEGORY DAY 3 3  
ADI EARLY 13 GEN POOR 13 GEN POOR 12 POOR 13 GEN POOR  
ADI LATE 2 VERY POOR 13 GEN POOR 1 VERY POOR 15 GEN POOR  
MAX LVORI EARLY 6 9 6 9  
MAX LVORI LATE 9 3 9 3  
MIN VSBY EARLY (MI) 6 FOG 2 FOG  
MIN VSBY LATE (MI) 3 FOG 5 FOG  
FOG POTENTIAL EARLY LOW HIGH LOW HIGH  
FOG POTENTIAL LATE HIGH NONE HIGH NONE  
SUPERFOG EARLY NONE NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE NONE  
SILT/ 500 MLT (F) 78 80  
MRNG MXG HGT (M) 270 265  
STAGNATION INDEX 3 2 3 2  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 16 1 20  
 
FOG POTENTIAL AND OTHER REMARKS...AREAS OF LIGHT FOG AND PATCHY  
MODERATE FOG IS EXPECTED TONIGHT. FOG SHOULD FORM AFTER MIDNIGHT  
AND CLEAR BY 9 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. SOUTHEAST WINDS AROUND  
5 MPH SHIFTING TO THE NORTHEAST LATE IN THE EVENING. MAXIMUM RH  
98 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 56 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 70. EAST WINDS 5 TO  
10 MPH. MAXIMUM RH 97 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 58 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 92 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 55 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS AROUND 70. SOUTHEAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 95 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. NORTHEAST WINDS AROUND  
5 MPH SHIFTING TO THE SOUTHEAST LATE IN THE MORNING. MINIMUM RH  
53 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 10 MPH SHIFTING TO THE WEST LATE IN THE EVENING.  
MAXIMUM RH 97 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. NORTH WINDS AROUND 5 MPH. MINIMUM  
RH 51 PERCENT.  
 

 
 
LAZ056>065-211015-  
ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-  
ST. CHARLES-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-  
UPPER ST. BERNARD-UPPER TERREBONNE-  
INCLUDING THE CITIES OF PIERRE PART, LABADIEVILLE,  
PAINCOURTVILLE, CONVENT, LUTCHER, GRAMERCY, LAPLACE, RESERVE,  
THIBODAUX, RACELAND, LAROSE, DESTREHAN, NORCO, METAIRIE, KENNER,  
EAST NEW ORLEANS, NEW ORLEANS, BELLE CHASSE, CHALMETTE, VIOLET,  
HOUMA, AND BAYOU CANE  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 72 91 73 91  
RH (%) 97 51 93 47  
20FT WIND/AM(MPH) LGT/VAR LGT/VAR  
20FT WIND/PM(MPH) S 1-5 NE 2-6 LGT/VAR E 3-7  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.01  
PRECIP DURATION (HR) 1 1  
MIXING HGT (M-AGL/MSL) 1943 2148  
TRANSPORT WIND (M/S) E 2 E 3  
VENT RATE (M**2/S) 3886 6444  
CATEGORY DAY 2 3  
ADI EARLY 16 GEN POOR 13 GEN POOR 15 GEN POOR 15 GEN POOR  
ADI LATE 3 VERY POOR 15 GEN POOR 2 VERY POOR 21 FAIR  
MAX LVORI EARLY 5 7 5 7  
MAX LVORI LATE 7 2 7 2  
MIN VSBY EARLY (MI) 10 4 FOG  
MIN VSBY LATE (MI) 7 8  
FOG POTENTIAL EARLY LOW MODERATE NONE MODERATE  
FOG POTENTIAL LATE MODERATE NONE MODERATE NONE  
SUPERFOG EARLY NONE NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE NONE  
SILT/ 500 MLT (F) 78 79  
MRNG MXG HGT (M) 299 264  
STAGNATION INDEX 3 2 3 2  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 15 1 16  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY LIGHT FOG IS EXPECTED  
TONIGHT. FOG SHOULD FORM AFTER 5 AM AND CLEAR BY 8 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
5 TO 10 MPH. MAXIMUM RH 91 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 55 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS 5 TO  
10 MPH. MAXIMUM RH 92 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 10 TO 15 MPH.  
MINIMUM RH 59 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 70S. EAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 92 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 60 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.  
MAXIMUM RH 93 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 57 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTH  
WINDS 5 TO 10 MPH. MAXIMUM RH 93 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 56 PERCENT.  
 

 
 
LAZ066>070-211015-  
LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-  
LOWER PLAQUEMINES-LOWER ST. BERNARD-  
INCLUDING THE CITIES OF CHAUVIN, COCODRIE, DULAC, MONTEGUT,  
GALLIANO, CUT OFF, GOLDEN MEADOW, LEEVILLE, BURAS,  
POINTE A LA HACHE, PORT SULPHUR, BOOTHVILLE, VENICE, EMPIRE,  
MYRTLE GROVE, AND YSCLOSKEY  
330 PM CDT WED SEP 20 2017  
   
RED FLAG
 
NONE.  
 
TONIGHT THU THU NIGHT FRI  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 10 20 20 20  
TEMP 74 89 74 89  
RH (%) 97 54 97 50  
20FT WIND/AM(MPH) NE 1-5 NE 2-6  
20FT WIND/PM(MPH) S 1-5 E 3-7 LGT/VAR E 4-8  
AVG PCPN AMT (IN) 0.00 0.01 0.00 0.00  
PRECIP DURATION (HR) 1  
MIXING HGT (M-AGL/MSL) 1823 2085  
TRANSPORT WIND (M/S) E 3 E 4  
VENT RATE (M**2/S) 5469 8340  
CATEGORY DAY 3 4  
ADI EARLY 16 GEN POOR 14 GEN POOR 14 GEN POOR 16 GEN POOR  
ADI LATE 2 VERY POOR 17 GEN POOR 1 VERY POOR 23 FAIR  
MAX LVORI EARLY 4 6 4 7  
MAX LVORI LATE 6 3 6 3  
MIN VSBY EARLY (MI) 10 5 FOG  
MIN VSBY LATE (MI) 7 8  
FOG POTENTIAL EARLY NONE LOW NONE LOW  
FOG POTENTIAL LATE LOW NONE LOW NONE  
SUPERFOG EARLY NONE NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE NONE  
SILT/ 500 MLT (F) 78 77  
MRNG MXG HGT (M) 323 303  
STAGNATION INDEX 3 2 3 3  
STABILITY CLASS F B F B  
DISPERSION INDEX 1 15 1 17  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY LIGHT FOG IS EXPECTED  
TONIGHT. FOG SHOULD FORM AFTER 5 AM AND CLEAR BY 8 AM.  
SUPERFOG CAN REDUCE VISIBILITY TO A FEW FEET. FOR SUPERFOG  
TO BE POSSIBLE THERE MUST BE A SIMULTANEOUS COMBINATION OF  
DENSE FOG AND A DENSE SMOKE SOURCE FROM A FIRE. IF EITHER  
OF THESE CONDITIONS ARE NOT MET...THEN SUPERFOG WILL NOT OCCUR.  
ADI IS ATMOSPHERIC DISPERSION INDEX DEVELOPED BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
5 TO 10 MPH. MAXIMUM RH 90 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 10 TO 15 MPH.  
MINIMUM RH 60 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S. EAST WINDS 10 TO  
15 MPH. MAXIMUM RH 90 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 10 TO 15 MPH.  
MINIMUM RH 65 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 70S. EAST WINDS 10 TO 15 MPH.  
MAXIMUM RH 91 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 10 TO 15 MPH.  
MINIMUM RH 64 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 70S. SOUTHEAST WINDS 5 TO  
10 MPH. MAXIMUM RH 90 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 62 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHEAST  
WINDS 5 TO 10 MPH. MAXIMUM RH 89 PERCENT.    
WEDNESDAY
 
SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
MINIMUM RH 62 PERCENT.  
 

 
 
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