374  
FNUS74 KLIX 142306  
FWSLIX  
 
SPOT FORECAST FOR USAR HURRICANE SALLY...LOUISIANA STATE FIRE MARSHAL  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
606 PM CDT MON SEP 14 2020  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
WE CAN BE REACHED AT (985) 649-0357 IF YOU HAVE QUESTIONS OR CONCERNS  
WITH THIS FORECAST.  
   
DISCUSSION
 
 
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS THROUGH THE  
DAY. SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE  
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......90 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........79 PERCENT.  
HEAT INDEX..........96.  
SURFACE WINDS.......BREEZY. NORTH WINDS 14 TO 21 MPH WITH GUSTS TO  
AROUND 31 MPH INCREASING TO NORTHEAST AROUND 28  
MPH WITH GUSTS TO AROUND 44 MPH EARLY IN THE  
AFTERNOON, THEN BECOMING NORTHWEST 15 TO 16 MPH  
EARLY IN THE AFTERNOON.  
MIXING HEIGHT.......1300-1900 FT AGL.  
MIXING HEIGHT (M)...396-579 METERS AGL.  
TRANSPORT WINDS.....NORTH 32 TO 39 MPH.  
TRANSPORT WINDS M/S.NORTH 14 TO 17 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.85 INCHES.  
CEILING (KFT).......1.6 IN THE MORNING.  
WIND (20 FT).......BREEZY. NORTH WINDS 14 TO 21 MPH WITH GUSTS TO  
AROUND 25 MPH INCREASING TO NORTHEAST AROUND 28  
MPH WITH GUSTS TO AROUND 35 MPH EARLY IN THE  
AFTERNOON, THEN BECOMING NORTHWEST 15 TO 16 MPH  
EARLY IN THE AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE LATE MORNING  
AND AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........84 94 87 99 90 96 96 96 95 95 94 90  
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC  
CHC OF PCPN (%).90 90 90 90 90 90 90 90 90 90 90 90  
TEMP............77 77 77 80 82 82 81 80 80 80 80 80  
RH..............90 94 97 85 82 79 83 88 87 86 85 84  
HEAT INDEX (F)..78 78 85 89 93 94 94 94 95 96 96 95  
20 FT WIND DIR..NNE N N N NNE N N NNE NNW NNW NNW NNW  
20 FT WIND SPD..15 14 15 15 19 16 16 27 16 15 15 15  
20 FT WIND GUST.19 18 19 19 25 20 20 35 20 19 19 19  
SURFACE WND DIR.NNE N N N NNE N N NNE NNW NNW NNW NNW  
SURFACE WND SPD.19 18 19 19 24 20 20 34 20 19 19 19  
SURFACE WND GST.24 23 24 24 31 25 25 44 25 24 24 24  
MIX HGT (KFT)...1.3 1.4 1.4 1.4 1.8 1.8 1.8 1.9 1.9 1.9 1.7 1.7  
MIX HGT (KM)....0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.6 0.6 0.6 0.5 0.5  
TRANSP WIND DIR.NNE NNE NNE NNE N N N N N N N N  
TRANSP WIND SPD.32 35 35 35 38 38 38 39 39 39 38 38  
TRANS WIND DIR..NNE NNE NNE NNE N N N N N N N N  
TRANS SPD (M/S).14 16 16 16 17 17 17 17 17 17 17 17  
LVORI...........4 4 4 3 3 3 3 4 4 4 4 4  
CEILING (KFT)...1.6 1.7 1.7 1.8 1.8  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND  
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF THUNDERSTORMS EARLY IN  
THE EVENING. SHOWERS LIKELY.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........90 PERCENT.  
HEAT INDEX..........92.  
SURFACE WINDS.......WEST WINDS 8 TO 17 MPH.  
MIXING HEIGHT.......1000-1700 FT AGL.  
MIXING HEIGHT (M)...305-518 METERS AGL.  
TRANSPORT WINDS.....NORTH 32 TO 38 MPH BECOMING NORTHWEST 17 TO 23  
MPH.  
TRANSPORT WINDS M/S.NORTH 14 TO 17 METERS/SECOND BECOMING NORTHWEST  
8 TO 10 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.27 INCHES.  
CEILING (KFT).......MISSING.  
WIND (20 FT).......WEST WINDS 8 TO 17 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........86 85 85 85 92 89 92 91 84 84 84 80  
WEATHER COV.....DEF LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC SCH SCH SCH  
CHC OF PCPN (%).90 70 70 70 70 70 70 60 60 60 60 60  
TEMP............79 78 77 77 77 77 77 78 77 77 77 77  
RH..............85 88 90 90 90 90 87 85 90 90 87 89  
HEAT INDEX (F)..92 89 85 79 79 79 79 79 78 78 77 76  
20 FT WIND DIR..NNW NNW NNW NNW NNE NW NW NW NW WNW WNW WNW  
20 FT WIND SPD..13 14 15 13 17 12 11 11 10 9 8 8  
20 FT WIND GUST.17 18 19 17 21 16 14 14 13 12 11 11  
SURFACE WND DIR.NNW NNW NNW NNW NNE NW NW NW NW WNW WNW WNW  
SURFACE WND SPD.16 18 19 16 21 15 14 14 13 11 10 10  
SURFACE WND GST.21 23 24 21 26 20 18 18 16 15 14 14  
MIX HGT (KFT)...1.7 1.3 1.3 1.3 1.1 1.1 1.1 1.0 1.0 1.0 1.0 1.0  
MIX HGT (KM)....0.5 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.N NNW NNW NNW N N N NW NW NW NW NW  
TRANSP WIND SPD.38 32 32 32 28 28 28 17 17 17 23 23  
TRANS WIND DIR..N NNW NNW NNW N N N NW NW NW NW NW  
TRANS SPD (M/S).17 14 14 14 13 13 13 8 8 8 10 10  
LVORI...........4 4 4 4 4 4 4 4 4 4 4 4  
CEILING (KFT)...  
 

 
FORECASTER...EFFERSON  
REQUESTED BY...GREGORY DAVIS  
TYPE OF REQUEST...SAR  
.TAG 2012621.0/LIX  
.DELDT 09/14/20  
.EMAIL GREGORY.DAVIS@LA.GOV  
 
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