523  
FNUS74 KLIX 172307  
FWSLIX  
 
SPOT FORECAST FOR DOW TAFT...ST. CHARLES EOC  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
607 PM CDT MON JUL 17 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
 
 
DEEP MOISTURE WILL SLOWLY PUSH SOUTH OF THE AREA BY MID WEEK.  
RAIN CHANCES WILL SLIGHTLY DECREASE BY WEDNESDAY. SURFACE HIGH  
PRESSURE WILL REMAIN CENTERED OVER THE NORTH CENTRAL GULF  
THROUGH THE WEEK.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE  
IN THE EVENING. CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER  
MIDNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........97 PERCENT.  
HEAT INDEX..........88.  
SURFACE WINDS.......SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......600-1600 FT AGL.  
MIXING HEIGHT (M)...183-488 METERS AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 7 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 2 TO 3 METERS/SECOND.  
LVORI...............6.  
RAINFALL AMOUNT.....0.08 INCHES.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
 
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........88 85 80 77 76 75 74 72 68 66 69  
WEATHER COV.....LKY LKY SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........LKY LKY SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CHC OF PCPN (%).60 60 20 20 20 20 40 40 40 50 50  
TEMP............82 81 79 78 77 76 76 76 76 76 75  
RH..............77 79 85 88 90 94 94 94 94 94 97  
HEAT INDEX (F)..88 86 79 78 77 76 76 76 76 76 75  
20 FT WIND DIR..S S S S S S S S S SSW SSW  
20 FT WIND SPD..3 3 3 3 2 2 2 2 2 2 2  
20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5  
SURFACE WND DIR.S S S S S S S S S SSW SSW  
SURFACE WND SPD.4 4 4 4 3 3 2 2 2 2 2  
SURFACE WND GST.5 5 5 5 5 5 5 5 5 5 5  
MIX HGT (KFT)...1.6 1.6 1.6 0.9 0.9 0.9 0.7 0.7 0.7 0.6 0.6  
MIX HGT (KM)....0.5 0.5 0.5 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.S S S S S S S S S SSW SSW  
TRANSP WIND SPD.7 7 7 7 7 7 6 6 6 5 5  
TRANS WIND DIR..S S S S S S S S S SSW SSW  
TRANS SPD (M/S).3 3 3 3 3 3 3 3 3 2 2  
LVORI...........4 4 5 6 6 6 6 6 6 6 8  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG EARLY  
IN THE MORNING. CHANCE OF SHOWERS IN THE  
MORNING. CHANCE OF THUNDERSTORMS THROUGH THE  
DAY. SHOWERS LIKELY IN THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........68 PERCENT.  
HEAT INDEX..........98.  
SURFACE WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......600-700 FT AGL INCREASING TO 3100-4400 FT AGL  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT (M)...183-213 METERS AGL INCREASING TO 945-1341  
METERS AGL IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 5 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 2 METERS/SECOND.  
LVORI...............6.  
RAINFALL AMOUNT.....0.19 INCHES.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........74 74 66 75 79 80  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE LIKELY LIKELY  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
CHC OF PCPN (%).50 40 50 50 60 60  
TEMP............75 79 86 87 87 87  
RH..............96 85 70 70 69 68  
HEAT INDEX (F)..75 79 95 97 97 96  
20 FT WIND DIR..SSW SSW S SSE SSE S  
20 FT WIND SPD..1 1 2 2 3 4  
20 FT WIND GUST. 5 5 5 10  
SURFACE WIND....SSW 1 SSW 1 S 2 SSE 3 SSE 4 S 5  
SURFACE WND GST. 5 5 5 10  
MIX HGT (FT)....600 700 3100 3100 4400 4300  
MIX HGT (M).....180 210 940 940 1340 1310  
TRANSP WIND DIR.SSW SW SW SW SW SW  
TRANSP WIND SPD.5 3 5 5 5 5  
TRANS WIND DIR..SSW SW SW SW SW SW  
TRANS SPD (M/S).2 1 2 2 2 2  
LVORI...........8 4 3 3 3 3  
   
REMARKS
 
DESPITE THE RELATIVELY LIGHT RAINFALL AMOUNTS  
DEPICTED FOR THE LOCATION, BE MINDFUL THAT RAIN RATES CLOSE  
TO 2 INCHES PER HOUR COULD OCCUR DURING THE DAYTIME TUESDAY  
LATE MORNING INTO EARLY AFTERNOON.  
 

 
FORECASTER...RICKS  
REQUESTED BY...COORDINATOR  
TYPE OF REQUEST...HAZMAT  
.TAG 1712904.0/LIX  
.EMAIL RPERRY@STCHARLESGOV.NET  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab LA Page
The Nexlab MS Page Main Text Page