345  
FNUS74 KLCH 192000  
FWSLCH  
 
SPOT FORECAST FOR CALE C-13 RX...USFS  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
200 PM CST THU DEC 19 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON DECEMBER 20.  
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
 
 
LIGHT NORTHERLY WINDS WILL CONTINUE BRINGING COOLER & DRIER AIR  
INTO THE REGION. ANOTHER COLD FRONT WILL MOVE THROUGH THE REGION  
FRIDAY NIGHT REINFORCING THE COOL DRY CONDITIONS AND NORTHERLY  
FLOW THROUGH THE WEEKEND. SOUTHERLY WINDS AND A GRADUAL WARMING  
TREND WILL DEVELOP BY EARLY NEXT WEEK.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........37 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS UP TO 6 MPH.  
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....NORTH 14 TO 21 MPH.  
MIXING HEIGHT (M)...152-975 METERS AGL.  
TRANSPORT WINDS M/S.NORTH 6 TO 9 METERS/SECOND.  
 
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........10 10 3 3 2 3 3 2 0 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............43 49 53 58 59 60 61 60 58 55  
RH..............96 80 66 51 45 41 38 37 40 45  
20 FT WIND DIR..NW NW NW NW N N N N N N  
20 FT WIND SPD..5 5 7 8 8 8 8 8 8 6  
20 FT WIND GUST.15 16 17 18 18 20 20 20 18 17  
EYE LVL WND DIR.NW NW NW NW N N N N N N  
EYE LVL WND SPD.4 4 5 5 5 6 6 6 5 4  
EYE LVL WND GST.9 10 10 11 11 12 12 12 11 10  
MIX HGT (KFT)...0.6 1.1 1.4 2.1 2.8 2.9 3.0 3.2 2.7 0.5  
MIX HGT (KM)....0.2 0.3 0.4 0.6 0.9 0.9 0.9 1.0 0.8 0.2  
TRANSP WIND DIR.N N N N N N N N N N  
TRANSP WIND SPD.14 17 18 20 21 20 20 20 18 14  
TRANS WIND DIR..N N N N N N N N N N  
TRANS SPD (M/S).6 8 8 9 9 9 9 9 8 6  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 31.  
MAX HUMIDITY........81 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS AROUND 4 MPH SHIFTING TO THE  
NORTHEAST AROUND 3 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTH 9 TO 14 MPH.  
MIXING HEIGHT (M)...122-152 METERS AGL.  
TRANSPORT WINDS M/S.NORTH 4 TO 6 METERS/SECOND.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 5 2 4 3 2 1 1 2 2 2 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............49 46 44 43 41 39 38 37 35 34 33 32  
RH..............56 63 65 65 67 70 70 72 75 75 78 78  
20 FT WIND DIR..N N N N N NE NE NE NE NE NE NE  
20 FT WIND SPD..5 5 5 3 3 3 3 3 3 3 3 3  
20 FT WIND GUST.16 16 15 15 15 14 14 14 14 13 13 13  
EYE LVL WND DIR.N N N N N NE NE NE NE NE NE NE  
EYE LVL WND SPD.4 4 4 3 3 3 2 2 2 2 2 2  
EYE LVL WND GST.10 10 9 9 9 8 8 8 8 8 8 8  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.4 0.4  
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.1 0.1  
TRANSP WIND DIR.N N N N N N NE NE NE NE NE NE  
TRANSP WIND SPD.14 13 12 12 12 12 10 10 10 10 9 9  
TRANS WIND DIR..N N N N N N NE NE NE NE NE NE  
TRANS SPD (M/S).6 6 5 5 5 5 4 4 4 4 4 4  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
MAX TEMPERATURE.....AROUND 53.  
MIN HUMIDITY........41 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 3 MPH.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......2700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 14 MPH.  
MIXING HEIGHT (M)...122-823 METERS AGL.  
TRANSPORT WINDS M/S.NORTHEAST 3 TO 6 METERS/SECOND.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 3 2 1 1 1 1 1 1 2 1 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............31 33 36 38 42 45 49 50 51 53 50 48  
RH..............81 78 69 67 57 53 46 44 42 41 48 54  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..3 3 3 3 3 3 3 3 3 3 3 3  
20 FT WIND GUST.12 13 13 13 12 12 10 10 9 9 9 9  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.2 2 3 3 3 3 3 3 3 3 2 2  
EYE LVL WND GST.7 8 8 8 7 7 6 6 5 5 5 5  
MIX HGT (KFT)...0.4 0.8 1.3 1.7 2.0 2.2 2.5 2.5 2.6 2.7 1.9 1.1  
MIX HGT (KM)....0.1 0.2 0.4 0.5 0.6 0.7 0.8 0.8 0.8 0.8 0.6 0.3  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.9 12 13 14 13 12 10 9 9 8 8 7  
TRANS WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
TRANS SPD (M/S).4 5 6 6 6 5 4 4 4 4 4 3  
 

 
FORECASTER...KOWALSKI  
REQUESTED BY...BLAKE CREAGAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2428803.0/LCH  
.DELDT 12/19/24  
.FORMATTERVERSION 2.0.0  
.EMAIL JASON.FRENCH@USDA.GOV,DUSTIN.DILL@USDA.GOV,STEVEN.STAPLES@USDA.GOV,BLAKE.CREAGAN@USDA.GOV  
 
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