267  
FNUS74 KLCH 232038  
FWSLCH  
 
SPOT FORECAST FOR STONEWALL RD SPILL...HARDIN CO SHERIFF  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
338 PM CDT MON APR 23 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 CDT ON APRIL 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (337) 477-5285, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........42 PERCENT.  
SURFACE WINDS.......NORTHWEST WINDS AROUND 8 MPH.  
MIXING HEIGHT.......4600-5200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 17 TO 20 MPH.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY (%).........5 6 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0  
TEMP............76 76 76  
RH..............45 48 49  
SURFACE WND DIR.W W NW  
SURFACE WND SPD.8 8 9  
SURFACE WND GST.15 15 14  
MIX HGT (KFT)...5.1 5.2 4.6  
TRANSP WIND DIR.NW NW NW  
TRANSP WIND SPD.20 18 17  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........86 PERCENT.  
SURFACE WINDS.......NORTHWEST WINDS 6 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......2300-4000 FT AGL DECREASING TO 200-1300 FT AGL  
IN THE LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST 6 TO 15 MPH DECREASING TO 2 TO 3 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 7 7 6 4 4 4 3 4 4 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 73 70 67 65 64 63 62 62 61 60 59  
RH..............52 48 53 60 65 68 73 74 75 77 81 85  
SURFACE WND DIR.NW NW NW NW NW NW NW NW NW NW NW W  
SURFACE WND SPD.9 9 6 4 4 3 3 3 3 4 4 4  
SURFACE WND GST.13  
MIX HGT (KFT)...4.0 3.4 2.3 1.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.15 13 9 6 3 2 2 3 2 2 2 2  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........43 PERCENT.  
SURFACE WINDS.......LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......200-1300 FT AGL INCREASING TO 4400-5100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 2 TO 10 MPH SHIFTING TO THE NORTH 10  
TO 14 MPH IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 5 3 2 1 2 2 3 2 2 1 1  
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 67 72 75 76 78 79 80 81 80  
RH..............86 83 76 65 58 52 51 49 47 45 44 43  
SURFACE WND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
SURFACE WND SPD.4 4 4 5 6 8 8 8 8 8 8 6  
SURFACE WND GST.  
MIX HGT (KFT)...0.2 0.2 1.3 2.5 3.6 4.0 4.4 4.8 4.9 5.0 5.1 4.4  
TRANSP WIND DIR.NW W NW NW NW NW NW NW NW N N N  
TRANSP WIND SPD.2 3 5 7 9 10 13 13 14 14 13 10  
 

 
FORECASTER...RACKLEY  
REQUESTED BY...PD  
TYPE OF REQUEST...HAZMAT  
.TAG 1807464.0/LCH  
.DELDT 04/23/18  
.EMAIL JARED.RACKLEY@NOAA.GOV  
 
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