456  
FNUS74 KLIX 250136  
FWSLIX  
 
SPOT FORECAST FOR MOSSLER I...USFWS  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
836 PM CDT MON APR 24 2017  
 
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
 
A COOL AND DRY AIR MASS WILL REMAIN IN PLACE TUESDAY  
WHILE HIGH PRESSURE MODERATES AND MOVES EAST THROUGH TUESDAY NIGHT.  
A DEVELOPING LOW PRESSURE SYSTEM IN THE CENTRAL PLAINS STATES WILL BRING  
A COLD FRONT WITH AN ATTENDANT CHANCE OF RAIN WEDNESDAY NIGHT BEFORE STALLING  
AND RETURNING NORTH AS A WARM FRONT LATE THURSDAY. ANOTHER STRONG COLD FRONT  
WILL BE APPROACHING THE AREA LATE SUNDAY.  
 
REMARKS...  
1) SOUTHERLY WINDS MAY BE ENHANCED TO SOME DEGREE DURING THE AFTERNOON HOURS  
TUESDAY BY A SEABREEZE. A LAND BREEZE IS NOT EXPECTED.  
 
2) RAIN CHANCES WILL INCREASE DURING THE WEDNESDAY NIGHT PERIOD AND AGAIN  
SUNDAY AFTERNOON INTO MONDAY MORNING. RAINFALL AMOUNTS WILL AVERAGE BETWEEN  
0.25 AND 0.50 INCH WEDNESDAY NIGHT, AND BETWEEN 0.50 AND 1.00 INCH LATE  
SUNDAY INTO EARLY MONDAY.  
 
3) AN INVERSION WILL BE PRESENT FROM THE LATE EVENING HOURS UNTIL MID  
MORNING DURING THE PERIOD. ONLY PATCHY LIGHT FOG WILL BE POSSIBLE LATE  
TONIGHT AND EARLY TUESDAY AND LATE TUESDAY NIGHT AND EARLY WEDNESDAY.  
 
4) LIGHTNING WILL BE POSSIBLE WEDNESDAY NIGHT AND FROM SUNDAY AFTERNOON  
INTO EARLY MONDAY. A FEW OF THE STORMS COULD BE STRONG DURING BOTH  
RAINFALL EVENTS AND PRODUCE STRONG, GUSTY WINDS. THE THREAT OF TORNADOES  
IS LOW.  
 
5) THE MINIMUM RH VALUE TUESDAY AFTERNOON WILL BE BETWEEN 35 AND 42%.  
 
6) THE KBDI MAY BREAK 500 BY SATURDAY, BUT WILL LIKELY NOT GET MUCH HIGHER  
GIVEN THE EXPECTED RAINFALL WEDNESDAY NIGHT.  
 
THE EMAIL ADDRESS IS...  
SR-LIX.FORECASTERS@NOAA.GOV  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........45 PERCENT.  
DEWPOINT............57.  
HEAT INDEX..........81.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......300-1000 FT AGL INCREASING TO 3500-4100 FT AGL  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT (M)...91-305 METERS AGL INCREASING TO 1067-1250  
METERS AGL IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 14 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 4 TO 6 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 3 3 4 4 5 6 6 5 4 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............58 59 63 68 73 76 78 79 80 81 81 80  
DEWPOINT........56 56 56 57 57 57 57 57 57 58 58 58  
RH..............93 90 78 68 57 52 48 47 45 46 46 47  
HEAT INDEX (F)..58 59 63 68 73 76 78 79 80 81 81 81  
20 FT WIND DIR..W WNW W WSW SW SW SSW SSW SSW SSW SSW SSW  
20 FT WIND SPD..2 2 3 3 4 4 5 5 5 6 6 6  
20 FT WIND GUST.5 5 5 5 10 10 10 10 10 15 15 15  
MIX HGT (KFT)...0.3 1.0 1.0 1.0 3.6 3.6 3.6 4.1 4.1 4.1 3.5 3.5  
MIX HGT (KM)....0.1 0.3 0.3 0.3 1.1 1.1 1.1 1.2 1.2 1.2 1.1 1.1  
TRANSP WIND DIR.W W W W SSW SSW SSW SSW SSW SSW SSW SSW  
TRANSP WIND SPD.8 8 8 8 9 9 9 12 12 12 14 14  
TRANS WIND DIR..W W W W SSW SSW SSW SSW SSW SSW SSW SSW  
TRANS SPD (M/S).4 4 4 4 4 4 4 5 5 5 6 6  
LVORI...........6 4 3 3 2 2 2 2 2 2 2 2  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 65.  
MAX HUMIDITY........97 PERCENT.  
DEWPOINT............61 INCREASING TO 64 AFTER MIDNIGHT.  
HEAT INDEX..........78.  
WIND (20 FT)........SOUTH WINDS 8 TO 10 MPH.  
MIXING HEIGHT.......3500 FT AGL DECREASING TO 400-1100 FT AGL.  
MIXING HEIGHT (M)...1067 METERS AGL DECREASING TO 122-335 METERS  
AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 18 MPH.  
TRANSPORT WINDS M/S.SOUTH 6 TO 8 METERS/SECOND.  
LVORI...............4.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 3 2 2 5 11 13 19 28 30 31  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............78 75 73 71 69 68 67 67 67 67 67 66  
DEWPOINT........59 59 60 61 62 62 63 63 64 64 65 65  
RH..............52 58 64 71 78 81 87 87 90 90 93 97  
HEAT INDEX (F)..78 75 73 71 69 68 67 67 67 67 67 66  
20 FT WIND DIR..SSW SSW SSW SSW SSW SSW SSW S S S S S  
20 FT WIND SPD..6 7 8 8 8 7 6 6 6 6 7 7  
20 FT WIND GUST.15 15 15 15 15 15 15 15 15 15 15 15  
MIX HGT (KFT)...3.5 1.1 1.1 1.1 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
MIX HGT (KM)....1.1 0.3 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.SSW SSW SSW SSW SSW SSW SSW S S S S S  
TRANSP WIND SPD.14 16 16 16 18 18 18 18 18 18 18 18  
TRANS WIND DIR..SSW SSW SSW SSW SSW SSW SSW S S S S S  
TRANS SPD (M/S).6 7 7 7 8 8 8 8 8 8 8 8  
LVORI...........2 2 2 3 4 4 4 4 5 5 5 5  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........62 PERCENT.  
DEWPOINT............67.  
HEAT INDEX..........85.  
WIND (20 FT)........SOUTH WINDS 9 TO 14 MPH. GUSTS UP TO 25 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......400-1600 FT AGL INCREASING TO 2500-3300 FT AGL  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT (M)...122-488 METERS AGL INCREASING TO 762-1006  
METERS AGL IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....SOUTH 18 TO 23 MPH.  
TRANSPORT WINDS M/S.SOUTH 8 TO 10 METERS/SECOND.  
LVORI...............3.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........34 35 36 37 38 38 37 36 37 40 41 48  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............65 66 68 72 75 78 80 81 82 82 82 81  
DEWPOINT........65 65 65 65 65 66 66 67 68 68 69 69  
RH..............100 97 90 79 71 67 62 63 63 63 65 67  
HEAT INDEX (F)..65 66 68 72 75 78 82 83 85 85 85 84  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..7 7 8 9 10 10 10 10 10 10 10 11  
20 FT WIND GUST.15 15 15 20 20 20 20 25 25 25 25 25  
MIX HGT (KFT)...0.4 1.6 1.6 1.6 2.9 2.9 2.9 3.3 3.3 3.3 2.5 2.5  
MIX HGT (KM)....0.1 0.5 0.5 0.5 0.9 0.9 0.9 1.0 1.0 1.0 0.8 0.8  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.18 20 20 20 22 22 22 23 23 23 23 23  
TRANS WIND DIR..S S S S S S S S S S S S  
TRANS SPD (M/S).8 9 9 9 10 10 10 10 10 10 10 10  
LVORI...........5 4 4 3 3 2 2 1 1 1 1 2  
 

 
FORECASTER...NWS NEW ORLEANS  
REQUESTED BY...CHRIS LE ROUGE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1707714.0/LIX  
.EMAIL CHRIS_LEROUGE@FWS.GOV  
 
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