324  
FNUS74 KLIX 121108  
FWSLIX  
 
SPOT FORECAST FOR BAYOU SAUVAGE UNIT 1...USFWS  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
608 AM CDT MON APR 12 2021  
 
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
 
 
EXPECT MOSTLY SUNNY SKIES TODAY WITH HIGH PRESSURE IN CONTROL OF  
THE AREA. CLOUDS WILL INCREASE TONIGHT, WITH SOME PATCHY FOG  
POSSIBLE AROUND DAYBREAK TUESDAY. MAIN FOCUS WILL BE ANOTHER  
DISTURBANCE EXPECTED TO DEVELOP WIDESPREAD SHOWERS AND STORMS  
ACROSS THE AREA ON TUESDAY. AT THIS TIME, THERE IS A POTENTIAL FOR  
SOME STRONG TO SEVERE THUNDERSTORMS, WITH DAMAGING WIND GUSTS,  
HAIL, LIGHTNING AND LOCALLY HEAVY RAINFALL THE MAIN THREATS. ANY  
LINGERING THUNDERSTORM ACTIVITY IS EXPECTED TO DIMINISH AFTER  
SUNSET TUESDAY EVENING.  
   
QUESTIONS
 
 
1. ANY MENTION OF FOG W/DURATION/TYPE/COVERAGE TONIGHT AND  
TUESDAY.  
 
THERE IS A POTENTIAL FOR SOME FOG TONIGHT, PRIMARILY FROM  
MIDNIGHT TO 8AM TUE. AT THIS TIME, IF ANY FOG DOES FORM IT SHOULD  
REMAIN LIGHT AND PATCHY AND NOT DENSE. ANY PATCHY LIGHT FOG IS  
EXPECTED TO DIMINISH SHORTLY AFTER SUNRISE ON TUESDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........56 PERCENT.  
DEWPOINT............59.  
HEAT INDEX..........76.  
WIND (20 FT).......SOUTHEAST WINDS AROUND 8 MPH.  
MIXING HEIGHT.......1200-1500 FT AGL.  
MIXING HEIGHT (M)...366-457 METERS AGL.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 13 MPH.  
TRANSPORT WINDS M/S.SOUTHEAST 4 TO 6 METERS/SECOND.  
LVORI...............2.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY (%).........17 25 16  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............76 76 76  
DEWPOINT........59 59 59  
RH..............56 56 56  
HEAT INDEX (F)..76 76 76  
20 FT WIND DIR..E ESE ESE  
20 FT WIND SPD..7 8 8  
20 FT WIND GUST.10 12 12  
MIX HGT (KFT)...1.5 1.2 1.2  
MIX HGT (KM)....0.5 0.4 0.4  
TRANSP WIND DIR.SE ESE ESE  
TRANSP WIND SPD.10 13 13  
TRANS WIND DIR..SE ESE ESE  
TRANS SPD (M/S).4 6 6  
LVORI...........2 2 2  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 67.  
MAX HUMIDITY........90 PERCENT.  
DEWPOINT............62.  
HEAT INDEX..........75.  
WIND (20 FT).......SOUTHEAST WINDS AROUND 8 MPH.  
MIXING HEIGHT.......600-1200 FT AGL.  
MIXING HEIGHT (M)...183-366 METERS AGL.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 15 MPH.  
TRANSPORT WINDS M/S.SOUTHEAST 4 TO 7 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........14 29 47 34 30 24 23 25 26 27 31 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10 10 10 10  
TEMP............75 73 71 70 69 68 68 68 68 67 68 67  
DEWPOINT........60 60 61 62 62 63 64 64 64 64 64 64  
RH..............60 64 71 76 78 84 87 87 87 90 87 90  
HEAT INDEX (F)..75 73 71 70 69 68 68 68 68 67 68 67  
20 FT WIND DIR..ESE ESE ESE ESE ESE ESE ESE ESE ESE ESE ESE ESE  
20 FT WIND SPD..8 8 8 8 8 8 8 7 7 7 7 7  
20 FT WIND GUST.12 12 12 12 12 12 12 10 10 10 10 10  
MIX HGT (KFT)...1.2 0.6 0.6 0.6 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7  
MIX HGT (KM)....0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.ESE ESE ESE ESE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.13 13 13 13 15 15 15 13 13 13 9 9  
TRANS WIND DIR..ESE ESE ESE ESE SE SE SE SE SE SE SE SE  
TRANS SPD (M/S).6 6 6 6 7 7 7 6 6 6 4 4  
LVORI...........2 3 3 4 4 4 4 5 5 5 5 5  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING  
CLOUDY (90-100 PERCENT). CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......80 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........79 PERCENT.  
DEWPOINT............66.  
HEAT INDEX..........73.  
WIND (20 FT).......EAST WINDS 8 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING.  
MIXING HEIGHT.......600-1200 FT AGL.  
MIXING HEIGHT (M)...183-366 METERS AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 17 MPH.  
TRANSPORT WINDS M/S.SOUTHEAST 4 TO 8 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.69 INCHES.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 44 48 58 62 66 70 80 90 100 92 86  
WEATHER COV..... SCH CHC CHC CHC CHC CHC LKY LKY DEF LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC LKY LKY DEF LKY LKY  
CHC OF PCPN (%).10 20 30 40 40 50 50 60 70 80 70 60  
TEMP............67 68 68 69 71 72 73 73 73 72 72 72  
DEWPOINT........65 65 65 66 66 67 67 66 66 66 66 66  
RH..............93 90 90 90 84 84 81 79 79 81 81 81  
HEAT INDEX (F)..67 68 68 69 71 72 73 73 73 72 72 72  
20 FT WIND DIR..ESE ESE ESE ESE ESE ESE E E E ESE ESE ESE  
20 FT WIND SPD..7 7 7 7 7 8 8 9 9 9 9 9  
20 FT WIND GUST.10 10 10 10 10 12 12 13 13 13 13 13  
MIX HGT (KFT)...0.7 0.6 0.6 0.6 0.9 0.9 0.9 1.2 1.2 1.2 1.2 1.2  
MIX HGT (KM)....0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.9 8 8 8 9 9 9 15 15 15 17 17  
TRANS WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
TRANS SPD (M/S).4 4 4 4 4 4 4 7 7 7 8 8  
LVORI...........5 5 5 5 4 4 4 3 3 3 3 4  
 

 
FORECASTER...GILMORE  
REQUESTED BY...CHRIS LE ROUGE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2108593.1/LIX  
.DELDT 04/12/21  
.EMAIL CHRIS_LEROUGE@FWS.GOV,GRANT_LOVATO@FWS.GOV,DANIEL_BREAUX@FWS.GOV  
 
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