952  
FNUS73 KPAH 141456  
FWSPAH  
 
SPOT FORECAST FOR WEST TRACT BLOCK 1...USFS  
NATIONAL WEATHER SERVICE PADUCAH KY  
856 AM CST THU DEC 14 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON DECEMBER 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE DRIFTING SOUTHEAST TOWARD THE REGION WILL KEEP  
RAINFREE CONDITIONS OVER THE QUAD STATE REGION FOR THE NEXT  
FEW DAYS. TEMPERATURES WILL REMAIN ON THE COOL SIDE. THERE WILL  
BE A STRONG INVERSION AROUND FOUR THOUSAND FEET AND WILL REMAIN  
THERE FOR THE NEXT 48 HOURS. THIS WILL BE STRONG ENOUGH TO PREVENT  
ANY PARTICULATES FROM RISING ABOVE THAT ALTITUDE.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........33 AT IGNITION...MAX 37.  
RH..................66 PERCENT AT IGNITION...MIN 54 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WINDS NORTH AT 7 MPH.  
MIXING HEIGHT.......2400 FT AGL AT IGNITION...INCREASING TO 4400 FT  
AGL LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH AT IGNITION...MAX 3.  
 
TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0  
TEMP............33 35 36 36 34  
RH..............66 61 56 56 61  
20 FT WIND DIR..N N N N N  
20 FT WIND SPD..7 6 5 5 3  
20 FT WIND GUST. 5  
MIX HGT (FT)....2400 3200 4000 4400 4300  
TRANSP WIND DIR.N N N NW NW  
TRANSP WIND SPD.10 7 5 5 3  
HAINES INDEX....3 3 3 3 3  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MIN 25.  
RH..................MAX 78 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
MIXING HEIGHT.......2400-4200 FT AGL.  
TRANSPORT WINDS.....WEST 3 TO 5 MPH.  
HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............32 30 29 28 28 28  
RH..............66 72 72 75 71 71  
20 FT WIND DIR..N NW NW NW W W  
20 FT WIND SPD..2 2 2 1 2 2  
20 FT WIND GUST.5 5 5 5 5 5  
MIX HGT (FT)....4200 4200 4100 3900 3900 3100  
TRANSP WIND DIR.NW NW NW NW W W  
TRANSP WIND SPD.3 5 5 3 5 5  
HAINES INDEX....3 3 3 3 3 3  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
TEMPERATURE.........MAX 43.  
RH..................MIN 44 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 8 MPH.  
MIXING HEIGHT.......1500-3300 FT AGL INCREASING TO 4200-5900 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST 6 TO 14 MPH INCREASING TO 16 TO 21 MPH  
LATE IN THE MORNING, THEN SHIFTING TO THE  
SOUTHWEST AROUND 10 MPH LATE IN THE AFTERNOON.  
HAINES INDEX........2 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......PCLDY MCLEAR MCLEAR MCLEAR PCLDY PCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............26 28 34 40 43 40  
RH..............78 75 61 50 47 52  
20 FT WIND DIR..W W W W W W  
20 FT WIND SPD..3 5 7 8 8 7  
20 FT WIND GUST.5 10 10  
MIX HGT (FT)....1800 1500 2500 4200 5500 5900  
TRANSP WIND DIR.W W W W W W  
TRANSP WIND SPD.6 9 14 18 21 16  
HAINES INDEX....2 3 3 3 4 4  
 

 
FORECASTER...HOOPER  
REQUESTED BY...WHIT JITER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1719985.0/PAH  
.EMAIL WJITER@FS.FED.US  
 
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