279  
FNUS54 KLIX 301041  
FWFLIX  
 
FIRE WEATHER PLANNING FORECAST FOR S MS AND SE LA  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
541 AM CDT SUN APR 30 2017  
   
DISCUSSION
 
A STRONG COLD FRONT AND ASSOCIATED SQUALL  
LINE WILL IMPACT THE AREA TODAY. HEAVY RAIN...LIGHTNING...  
AND HIGH WINDS CAN BE EXPECTED ALONG THE FRONTAL BOUNDARY.  
ANOTHER LOW PRESSURE SYSTEM WILL DEVELOP AND BRING HIGH  
WINDS AND HEAVY RAIN AGAIN BY MID WEEK.  
 
MSZ068>071-010100-  
WILKINSON-AMITE-PIKE-WALTHALL-  
INCLUDING THE CITIES OF CENTREVILLE, DOLOROSA, FORT ADAMS,  
WOODVILLE, GILLSBERG, GLOSTER, SMITHDALE, LIBERTY, MCCOMB,  
DEXTER, SALEM, AND TYLERTOWN  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY MCLEAR CLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 90 30 10  
TEMP 78 50 79  
RH (%) 68 100 22  
20FT WIND/AM(MPH) S 19-23 G40 W 4-8  
20FT WIND/PM(MPH) SW 14-18 G40 SW 5-9 G23 W 4-8  
AVG PCPN AMT (IN) 2.47 0.14 0.00  
PRECIP DURATION (HR) 11 2  
MIXING HGT (M-AGL/MSL)619 1808  
TRANSPORT WIND (M/S) W 6 NW 8  
VENT RATE (M**2/S) 3714 14464  
CATEGORY DAY 2 4  
ADI EARLY 32 FAIR 8 POOR 43 GEN GOOD  
ADI LATE 23 FAIR 7 POOR 55 GEN GOOD  
MAX LVORI EARLY 5 5 6  
MAX LVORI LATE 4 6 1  
MIN VSBY EARLY (MI) 2 SHOWERS 4 SHOWERS 7  
MIN VSBY LATE (MI) 2 SHOWERS 5 SHOWERS 10  
FOG POTENTIAL EARLY NONE LOW MODERATE  
FOG POTENTIAL LATE NONE MODERATE NONE  
SUPERFOG EARLY NONE NONE POSSIBLE  
SUPERFOG LATE NONE POSSIBLE NONE  
SILT/ 500 MLT (F) 75 63  
MRNG MXG HGT (M) 319 325  
STAGNATION INDEX 0 2 3  
STABILITY CLASS D F B  
DISPERSION INDEX 38 2 41  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. WEST WINDS AROUND  
5 MPH SHIFTING TO THE SOUTH LATE IN THE EVENING. MAXIMUM RH  
89 PERCENT.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.  
MINIMUM RH 29 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS 5 TO  
10 MPH. MAXIMUM RH 100 PERCENT.    
WEDNESDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE UPPER  
70S. SOUTH WINDS 10 TO 15 MPH. MINIMUM RH 75 PERCENT.    
WEDNESDAY NIGHT
 
SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE  
LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH. MAXIMUM RH 100 PERCENT.    
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE LOWER  
70S. NORTHWEST WINDS 10 TO 15 MPH. MINIMUM RH 77 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. NORTHWEST WINDS  
10 TO 15 MPH. MAXIMUM RH 99 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS  
10 TO 15 MPH. MINIMUM RH 52 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH. MAXIMUM RH 94 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 70. NORTHWEST WINDS 10 TO  
15 MPH. MINIMUM RH 49 PERCENT.  
 

 
 
LAZ034>037-046>050-010100-  
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  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY MCLEAR CLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 90 20 10  
TEMP 78 51 80  
RH (%) 64 100 23  
20FT WIND/AM(MPH) S 19-23 G40 W 2-6  
20FT WIND/PM(MPH) SW 12-16 G40 W 5-9 G20 W 3-7  
AVG PCPN AMT (IN) 2.25 0.09 0.00  
PRECIP DURATION (HR) 11 2  
MIXING HGT (M-AGL/MSL)676 1726  
TRANSPORT WIND (M/S) NW 6 NW 6  
VENT RATE (M**2/S) 4056 10356  
CATEGORY DAY 3 4  
ADI EARLY 35 FAIR 9 POOR 40 FAIR  
ADI LATE 25 FAIR 5 VERY POOR 44 GEN GOOD  
MAX LVORI EARLY 5 5 6  
MAX LVORI LATE 4 6 2  
MIN VSBY EARLY (MI) 2 SHOWERS 8 9  
MIN VSBY LATE (MI) 2 SHOWERS 8 10  
FOG POTENTIAL EARLY NONE LOW MODERATE  
FOG POTENTIAL LATE NONE MODERATE NONE  
SUPERFOG EARLY NONE NONE POSSIBLE  
SUPERFOG LATE NONE POSSIBLE NONE  
SILT/ 500 MLT (F) 75 64  
MRNG MXG HGT (M) 320 259  
STAGNATION INDEX 0 2 3  
STABILITY CLASS D F B  
DISPERSION INDEX 19 2 28  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH SHIFTING TO THE SOUTHEAST LATE IN THE EVENING.  
MAXIMUM RH 91 PERCENT.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS 5 TO  
10 MPH. MINIMUM RH 31 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR WITH A 40 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO  
10 MPH. MAXIMUM RH 100 PERCENT.    
WEDNESDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE UPPER  
70S. SOUTH WINDS 10 TO 15 MPH. MINIMUM RH 76 PERCENT.    
WEDNESDAY NIGHT
 
SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE  
MID 60S. SOUTHWEST WINDS 10 TO 15 MPH. MAXIMUM RH 100 PERCENT.    
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE MID  
70S. NORTHWEST WINDS 10 TO 15 MPH. MINIMUM RH 73 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. NORTHWEST WINDS  
10 TO 15 MPH. MAXIMUM RH 97 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS  
10 TO 15 MPH. MINIMUM RH 50 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS  
5 TO 10 MPH. MAXIMUM RH 91 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHWEST  
WINDS 10 TO 15 MPH. MINIMUM RH 46 PERCENT.  
 

 
 
LAZ039-040-071-072-MSZ077-010100-  
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  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 70 50 10  
TEMP 79 52 80  
RH (%) 72 100 21  
20FT WIND/AM(MPH) S 19-23 G39 W 3-7  
20FT WIND/PM(MPH) S 20-24 G40 SW 5-9 G28 W 4-8  
AVG PCPN AMT (IN) 1.47 0.48 0.00  
PRECIP DURATION (HR) 6 6  
MIXING HGT (M-AGL/MSL)741 1848  
TRANSPORT WIND (M/S) S 11 NW 5  
VENT RATE (M**2/S) 8151 9240  
CATEGORY DAY 4 4  
ADI EARLY 35 FAIR 15 GEN POOR 38 FAIR  
ADI LATE 32 FAIR 8 POOR 37 FAIR  
MAX LVORI EARLY 4 6 6  
MAX LVORI LATE 4 6 2  
MIN VSBY EARLY (MI) 3 SHOWERS 2 SHOWERS 8  
MIN VSBY LATE (MI) 2 SHOWERS 7 10  
FOG POTENTIAL EARLY NONE LOW LOW  
FOG POTENTIAL LATE NONE MODERATE NONE  
SUPERFOG EARLY NONE NONE POSSIBLE  
SUPERFOG LATE NONE POSSIBLE NONE  
SILT/ 500 MLT (F) 75 65  
MRNG MXG HGT (M) 444 258  
STAGNATION INDEX 0 1 3  
STABILITY CLASS D E B  
DISPERSION INDEX 39 3 28  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS  
AROUND 5 MPH SHIFTING TO THE EAST LATE IN THE EVENING. MAXIMUM RH  
87 PERCENT.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS 5 TO  
10 MPH. MINIMUM RH 31 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO  
10 MPH. MAXIMUM RH 100 PERCENT.    
WEDNESDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE UPPER  
70S. SOUTHEAST WINDS 10 TO 15 MPH. MINIMUM RH 71 PERCENT.    
WEDNESDAY NIGHT
 
SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE  
MID 60S. SOUTHWEST WINDS 10 TO 15 MPH. MAXIMUM RH 100 PERCENT.    
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE MID  
70S. WEST WINDS 10 TO 15 MPH. MINIMUM RH 74 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. NORTHWEST WINDS  
10 TO 15 MPH. MAXIMUM RH 97 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. HIGHS AROUND 70. NORTHWEST WINDS 10 TO  
15 MPH. MINIMUM RH 50 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH. MAXIMUM RH 92 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHWEST  
WINDS 10 TO 15 MPH. MINIMUM RH 46 PERCENT.  
 

 
 
MSZ080>082-010100-  
HANCOCK-HARRISON-JACKSON-  
INCLUDING THE CITIES OF BAY ST. LOUIS, WAVELAND, DIAMONDHEAD,  
GULFPORT, PASCAGOULA, OCEAN SPRINGS, MOSS POINT, GAUTIER,  
AND ST. MARTIN  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY MCLDY MCLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 60 70 10  
TEMP 81 56 80  
RH (%) 70 100 23  
20FT WIND/AM(MPH) SE 19-23 G39 W 3-7  
20FT WIND/PM(MPH) S 20-24 G40 S 13-17 G35 W 4-8  
AVG PCPN AMT (IN) 0.45 1.33 0.00  
PRECIP DURATION (HR) 6 8  
MIXING HGT (M-AGL/MSL)879 1841  
TRANSPORT WIND (M/S) S 13 NW 4  
VENT RATE (M**2/S) 11427 7364  
CATEGORY DAY 4 3  
ADI EARLY 39 FAIR 28 FAIR 34 FAIR  
ADI LATE 37 FAIR 9 POOR 26 FAIR  
MAX LVORI EARLY 4 6 6  
MAX LVORI LATE 4 6 2  
MIN VSBY EARLY (MI) 6 SHOWERS 2 SHOWERS 8  
MIN VSBY LATE (MI) 2 SHOWERS 4 SHOWERS 10  
FOG POTENTIAL EARLY NONE NONE LOW  
FOG POTENTIAL LATE NONE LOW NONE  
SUPERFOG EARLY NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE  
SILT/ 500 MLT (F) 74 65  
MRNG MXG HGT (M) 401 275  
STAGNATION INDEX 0 0 3  
STABILITY CLASS D D B  
DISPERSION INDEX 53 5 25  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 50S. WEST WINDS 5 TO  
10 MPH SHIFTING TO THE NORTHEAST LATE IN THE EVENING. MAXIMUM RH  
83 PERCENT.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS 5 TO 10 MPH  
SHIFTING TO THE SOUTHEAST LATE IN THE MORNING. MINIMUM RH  
34 PERCENT.    
TUESDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS 5 TO  
10 MPH. MAXIMUM RH 100 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 10 TO  
15 MPH. MINIMUM RH 67 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS  
IN THE MID 60S. SOUTH WINDS 15 TO 25 MPH. MAXIMUM RH 100 PERCENT.   
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE MID  
70S. WEST WINDS 10 TO 15 MPH. MINIMUM RH 74 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTHWEST WINDS  
10 TO 15 MPH. MAXIMUM RH 98 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
10 TO 20 MPH. MINIMUM RH 50 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 10 TO 15 MPH. MAXIMUM RH 91 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHWEST  
WINDS 10 TO 15 MPH. MINIMUM RH 47 PERCENT.  
 

 
 
LAZ056>065-010100-  
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  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 70 40 10  
TEMP 80 55 81  
RH (%) 69 100 26  
20FT WIND/AM(MPH) S 19-23 G36 NW 2-6  
20FT WIND/PM(MPH) S 18-22 G39 W 7-11 G31 NW 3-7  
AVG PCPN AMT (IN) 1.36 0.33 0.00  
PRECIP DURATION (HR) 11 3  
MIXING HGT (M-AGL/MSL)764 1467  
TRANSPORT WIND (M/S) S 12 NW 5  
VENT RATE (M**2/S) 9168 7335  
CATEGORY DAY 4 3  
ADI EARLY 37 FAIR 11 POOR 39 FAIR  
ADI LATE 51 GEN GOOD 8 POOR 35 FAIR  
MAX LVORI EARLY 4 5 5  
MAX LVORI LATE 4 5 2  
MIN VSBY EARLY (MI) 3 SHOWERS 2 SHOWERS 10  
MIN VSBY LATE (MI) 1 SHOWERS 10 10  
FOG POTENTIAL EARLY NONE LOW LOW  
FOG POTENTIAL LATE NONE LOW NONE  
SUPERFOG EARLY NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE  
SILT/ 500 MLT (F) 74 65  
MRNG MXG HGT (M) 289 277  
STAGNATION INDEX 0 1 3  
STABILITY CLASS D E B  
DISPERSION INDEX 36 4 25  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS AROUND 60. SOUTHWEST WINDS AROUND  
5 MPH. MAXIMUM RH 83 PERCENT.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 10 TO  
15 MPH. MINIMUM RH 40 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR WITH A 30 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. SOUTHEAST WINDS 10 TO  
15 MPH. MAXIMUM RH 99 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS 10 TO 20 MPH.  
MINIMUM RH 75 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS  
IN THE UPPER 60S. SOUTH WINDS 15 TO 25 MPH. MAXIMUM RH  
100 PERCENT.    
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN THE UPPER  
70S. NORTHWEST WINDS 10 TO 15 MPH. MINIMUM RH 74 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. COOLER. LOWS IN THE UPPER 50S.  
NORTHWEST WINDS 10 TO 20 MPH. MAXIMUM RH 95 PERCENT.    
FRIDAY
 
BREEZY, SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
10 TO 15 MPH INCREASING TO 15 TO 25 MPH LATE IN THE MORNING.  
MINIMUM RH 50 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST  
WINDS 10 TO 15 MPH. MAXIMUM RH 85 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. NORTHWEST  
WINDS 10 TO 15 MPH. MINIMUM RH 48 PERCENT.  
 

 
 
LAZ066>070-010100-  
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  
541 AM CDT SUN APR 30 2017  
   
RED FLAG
 
NONE.  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY CLEAR  
PRECIP TYPE TSTMS TSTMS NONE  
CHANCE PRECIP (%) 70 50 10  
TEMP 81 59 79  
RH (%) 64 100 27  
20FT WIND/AM(MPH) S 19-23 G36 N 2-6 G20  
20FT WIND/PM(MPH) S 19-23 G39 SW 11-15 G35 NW 2-6  
AVG PCPN AMT (IN) 0.79 0.58 0.00  
PRECIP DURATION (HR) 6 7  
MIXING HGT (M-AGL/MSL)660 1416  
TRANSPORT WIND (M/S) S 12 N 5  
VENT RATE (M**2/S) 7920 7080  
CATEGORY DAY 3 3  
ADI EARLY 34 FAIR 21 FAIR 40 FAIR  
ADI LATE 41 GEN GOOD 11 POOR 31 FAIR  
MAX LVORI EARLY 4 4 4  
MAX LVORI LATE 4 4 2  
MIN VSBY EARLY (MI) 4 SHOWERS 3 SHOWERS 10  
MIN VSBY LATE (MI) 2 SHOWERS 9 10  
FOG POTENTIAL EARLY NONE NONE NONE  
FOG POTENTIAL LATE NONE NONE NONE  
SUPERFOG EARLY NONE NONE NONE  
SUPERFOG LATE NONE NONE NONE  
SILT/ 500 MLT (F) 75 66  
MRNG MXG HGT (M) 349 339  
STAGNATION INDEX 0 0 3  
STABILITY CLASS D D B  
DISPERSION INDEX 35 5 22  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG.  
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
 
 
   
MONDAY NIGHT
 
CLEAR. LOWS IN THE MID 60S. SOUTH WINDS 5 TO  
10 MPH. MAXIMUM RH 76 PERCENT.    
TUESDAY
 
SUNNY. HIGHS AROUND 80. EAST WINDS 10 TO 15 MPH.  
MINIMUM RH 47 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR WITH A 30 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. SOUTHEAST WINDS 10 TO  
15 MPH. MAXIMUM RH 98 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 10 TO  
20 MPH. MINIMUM RH 79 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS  
IN THE LOWER 70S. SOUTH WINDS 15 TO 25 MPH. MAXIMUM RH  
99 PERCENT.    
THURSDAY
 
BREEZY. SHOWERS AND THUNDERSTORMS LIKELY. HIGHS IN  
THE UPPER 70S. WEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST  
15 TO 25 MPH LATE IN THE MORNING. MINIMUM RH 74 PERCENT.    
THURSDAY NIGHT
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SHOWERS AND THUNDERSTORMS. COOLER. LOWS IN THE LOWER 60S.  
NORTHWEST WINDS 15 TO 25 MPH. MAXIMUM RH 93 PERCENT.    
FRIDAY
 
BREEZY, SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
15 TO 25 MPH. MINIMUM RH 51 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 10 TO 15 MPH. MAXIMUM RH 78 PERCENT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
10 TO 20 MPH. MINIMUM RH 47 PERCENT.  
 

 
 
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