669  
FNUS74 KLZK 171000  
FWSLZK  
 
SPOT FORECAST FOR SYL-BLANCHARD NORTH...USFS  
NATIONAL WEATHER SERVICE LITTLE ROCK AR  
500 AM CDT WED APR 17 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0500 CDT ON APRIL 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE IMMEDIATELY.  
 
PLEASE CONTACT OUR OFFICE AT (501) 834-0308 AND ASK FOR THE FIRE WEATHER  
FORECASTER IF YOU HAVE ANY QUESTIONS OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
EXPECT ABUNDANT CLOUD COVER TODAY. SHOWER AND THUNDERSTORM CHANCES  
WILL INCREASE TONIGHT AND CONTINUE ON THURSDAY.  
   
TODAY
 
 
MAX TEMPERATURE.....MAX 75.  
MIN HUMIDITY........MIN 65 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
TRANSPORT WINDS.....SOUTH 6 TO 9 MPH.  
STABILITY CLASS.....C.  
20 FOOT WINDS.......SOUTH WINDS 6 TO 9 MPH.  
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).  
DISPERSION..........12 INCREASING TO 35 IN THE LATE MORNING AND  
AFTERNOON.  
HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
MIXING HEIGHT (MSL).BECOMING 3006 FT MSL.  
MIXING HEIGHT (AGL).BECOMING 2200 FT AGL.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC CDY MC MC CDY MC MC MC MC MC MC MC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............60 60 62 64 66 67 69 71 72 73 74 74  
RH..............75 79 77 73 73 73 70 67 66 66 65 67  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..7 6 7 7 8 9 9 9 9 9 9 9  
20 FT WIND GUST. 8 10 10 10 11 11 11 11 11 11  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.26 9 13 16 18 20 20 18 18 17 16 14  
CHC OF PCPN (%).0 10 10 10 10 10 10 10 10 10 10 10  
   
TONIGHT
 
 
MIN TEMPERATURE.....MIN 62.  
MAX HUMIDITY........MAX 94 PERCENT.  
CHANCE OF PCPN......80 PERCENT.  
TRANSPORT WINDS.....SOUTH 7 TO 8 MPH.  
STABILITY CLASS.....D.  
20 FOOT WINDS.......SOUTH WINDS 7 TO 8 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
LVORI...............1.  
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING. SHOWERS AND  
THUNDERSTORMS LIKELY LATE IN THE EVENING, THEN  
PERIODS OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT.  
DISPERSION..........16 EARLY IN THE EVENING.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT (MSL).BECOMING 1668 FT MSL.  
MIXING HEIGHT (AGL).BECOMING 900 FT AGL.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY  
WEATHER COV..... CHC CHC CHC LKY LKY LKY PDS PDS PDS PDS PDS  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC LKY LKY LKY PDS PDS PDS PDS PDS  
TEMP............73 73 71 69 67 66 66 65 65 64 63 63  
RH..............68 71 74 79 81 83 85 88 87 89 91 93  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..8 8 8 7 7 7 7 7 7 7 7 7  
20 FT WIND GUST.10 10 10 10 10 10 10 10 10 10 10  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.13 10 9 9 9 10 12 13 13 12 10 8  
CHC OF PCPN (%).10 30 30 30 60 60 60 80 80 80 80 80  
   
THURSDAY
 
 
MAX TEMPERATURE.....MAX 65.  
MIN HUMIDITY........MIN 56 PERCENT.  
CHANCE OF PCPN......80 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
STABILITY CLASS.....C.  
20 FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
SKY/WEATHER.........CLOUDY (90-100 PERCENT). PERIODS OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
DISPERSION..........6 INCREASING TO 27 IN THE LATE MORNING AND  
AFTERNOON.  
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT (MSL).BECOMING 2606 FT MSL.  
MIXING HEIGHT (AGL).BECOMING 1800 FT AGL.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY  
WEATHER COV.....PDS PDS PDS PDS PDS PDS PDS CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........PDS PDS PDS PDS PDS PDS PDS CHC CHC CHC CHC CHC  
TEMP............62 62 62 63 63 64 64 65 65 65 64 64  
RH..............92 93 92 90 89 82 77 73 66 61 57 56  
20 FT WIND DIR..S S SW W W W NW NW NW NW NW NW  
20 FT WIND SPD..6 5 5 5 6 7 7 8 9 10 10 10  
20 FT WIND GUST. 6 6 6 10 10 11 14 14 14  
TRANSP WIND DIR.S SE S SW SW W NW NW NW NW NW NW  
TRANSP WIND SPD.7 6 7 8 10 13 14 15 17 17 17 15  
CHC OF PCPN (%).80 80 80 80 80 80 80 50 50 50 50 50  
 

 
FORECASTER...C RICKARD  
REQUESTED BY...BRIAN SULLIVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1906358.0/LZK  
.DELDT 04/17/19  
.EMAIL BKSULLIVAN@FS.FED.US  
 
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