538  
FNUS74 KLZK 131232  
FWSLZK  
 
SPOT FORECAST FOR WHITELY...NPS  
NATIONAL WEATHER SERVICE LITTLE ROCK AR  
632 AM CST WED DEC 13 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 0800 CST ON DECEMBER 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE IMMEDIATELY.  
   
DISCUSSION
 
 
A COLD FRONT WILL MOVE THROUGH THE AREA TODAY. GUSTY WINDS ARE  
EXPECTED THIS AFTERNOON. RELATIVE HUMIDITY WILL FALL TO AROUND 30  
PERCENT THIS AFTERNOON.  
   
TODAY
 
 
TEMPERATURE.........41 AT REQUEST...MAX 58.  
RH..................44 PERCENT AT REQUEST...MIN 30 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 22 TO 30 MPH.  
STABILITY CLASS.....D.  
20 FOOT WINDS.......WINDS SOUTHWEST AT 9 MPH AT REQUEST...OTHERWISE  
WEST WINDS 7 TO 9 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
LVORI...............1 EARLY IN THE MORNING.  
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
DISPERSION..........66 INCREASING TO 77 EARLY IN THE MORNING, THEN  
INCREASING TO 80 EARLY IN THE AFTERNOON  
DECREASING TO 63 LATE IN THE AFTERNOON  
DECREASING TO 45.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH AT REQUEST...MAX 5.  
EYE LEVEL WINDS.....WEST WINDS 7 TO 9 MPH.  
MIXING HEIGHT (AGL).BECOMING 7200 FT AGL.  
MIXING HEIGHT (MSL).BECOMING 9141 FT MSL.  
 
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............41 44 47 50 52 54 56 57 55 51  
RH..............44 40 37 34 32 31 30 30 33 38  
20 FT WIND DIR..SW SW SW SW W W W W W W  
20 FT WIND SPD..9 9 9 9 9 9 9 9 9 9  
20 FT WIND GUST.10 10 10 10 25 25 25 25 25 25  
EYE LVL WND DIR.SW SW SW SW W W W W W W  
EYE LVL WND SPD.5 5 5 5 7 7 7 7 7 7  
EYE LVL WND GST.10 10 10 10 25 25 25 25 25 25  
TRANSP WIND DIR.SW SW W W W W W W NW NW  
TRANSP WIND SPD.28 29 30 30 29 26 24 22 22 22  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
   
TONIGHT
 
 
TEMPERATURE.........MIN 31.  
RH..................MAX 78 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....NORTH 16 TO 23 MPH.  
STABILITY CLASS.....E.  
20 FOOT WINDS.......NORTHWEST WINDS 5 TO 7 MPH.  
LVORI...............1.  
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
DISPERSION..........15 EARLY IN THE EVENING.  
HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 7 MPH.  
MIXING HEIGHT (AGL).BECOMING 1800 FT AGL.  
MIXING HEIGHT (MSL).BECOMING 3746 FT MSL.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......MCR MCR MCR MCR MCR MCR PC PC PC PC PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48 45 44 42 41 39 39 38 37 36 35 35  
RH..............44 49 53 57 60 64 66 67 68 70 71 71  
20 FT WIND DIR..NW NW NW NW NW NW N N N N N N  
20 FT WIND SPD..7 7 7 7 7 7 6 6 6 6 6 6  
20 FT WIND GUST.10 10 10 10 10 10  
EYE LVL WND DIR.NW NW NW NW NW NW N N N N N N  
EYE LVL WND SPD.4 4 4 4 4 4 4 4 4 4 4 4  
EYE LVL WND GST.10 10 10 10 10 10  
TRANSP WIND DIR.NW NW NW N N N N N N N N N  
TRANSP WIND SPD.23 23 22 21 21 20 20 18 17 16 16 17  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
   
THURSDAY
 
 
TEMPERATURE.........MAX 40.  
RH..................MIN 54 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 12 TO 17 MPH.  
STABILITY CLASS.....C.  
20 FOOT WINDS.......NORTH WINDS AROUND 5 MPH IN THE MORNING  
BECOMING LIGHT.  
LVORI...............1 EARLY IN THE MORNING.  
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
DISPERSION..........34 DECREASING TO 27 IN THE AFTERNOON.  
HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
EYE LEVEL WINDS.....NORTH WINDS AROUND 5 MPH IN THE MORNING  
BECOMING LIGHT.  
MIXING HEIGHT (AGL).BECOMING 3900 FT AGL.  
MIXING HEIGHT (MSL).BECOMING 5874 FT MSL.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC MC MC MC PC PC PC PC PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............34 32 33 34 35 37 38 39 39 40 39 37  
RH..............72 78 75 71 67 64 61 58 56 54 55 57  
20 FT WIND DIR..N N N N N N NW NW NW NW NW NW  
20 FT WIND SPD..5 5 5 5 5 5 3 3 3 3 3 3  
20 FT WIND GUST. 5 5 5 5 5 5  
EYE LVL WND DIR.N N N N N N NW NW NW NW NW NW  
EYE LVL WND SPD.3 3 3 3 3 3 2 2 2 2 2 2  
EYE LVL WND GST. 5 5 5 5 5 5  
TRANSP WIND DIR.N N N N N N N N NW NW NW NW  
TRANSP WIND SPD.17 17 16 16 15 13 12 12 12 12 12 13  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
 

 
FORECASTER...L PYLE  
REQUESTED BY...TIM FONDRIEST  
TYPE OF REQUEST...WILDFIRE  
.TAG 1719788.3/LZK  
.EMAIL TIMOTHY_FONDRIEST@NPS.GOV  
 
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