FNUS74 KLZK 241545 FWSLZK SPOT FORECAST FOR POLK CREEK MOUNTAIN...USDA FOREST SERVICE NATIONAL WEATHER SERVICE LITTLE ROCK AR 1045 AM CDT THU MAR 24 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... NORTHWEST TO NORTH WIND TODAY GENERALLY 5 TO 15 MPH...AS A DRIER AIR MASS FILTERS INTO ARKANSAS. RELATIVE HUMIDITY LEVELS WILL LOWER TO UPPER 20S TO 30S THIS AFTERNOON. HIGH PRESSURE WILL CONTINUE TO BUILD OVER ARKANSAS TODAY AND GRADUALLY SHIFT EASTWARD TONIGHT AND FRIDAY. A WEAK UPPER LEVEL STORM SYSTEM IS FORECAST TO PASS NORTH OF THE STATE TONIGHT AND FRIDAY... RESULTING IN SMALL CHANCES OF SHOWERS AND THUNDERSTORMS FOR NORTH ARKANSAS. UNSETTLED CONDITIONS WILL CONTINUE INTO THE FIRST HALF OF THE WEEKEND. A WARM FRONT WILL BEGIN LIFTING BACK NORTHWARD FROM THE GULF COAST LATE FRIDAY AND FRIDAY NIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND NORTH OF THE FRONT. MEANWHILE...LOW PRESSURE WILL TRACK EASTWARD ALONG THE FRONT AND KEEP RAIN CHANCES IN THE FORECAST THROUGH SATURDAY. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). TEMPERATURE.........57 AT IGNITION...MAX 65. RH..................38 PERCENT AT IGNITION...MIN 29 PERCENT. CHANCE OF PCPN......0 PERCENT. EYE LEVEL WINDS.....NW TO NORTH 5 TO 8 MPH. TRANSPORT WINDS........NORTH 9 TO 18 MPH DECREASING TO 6 TO 12 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......BECOMING 3600 FT MSL. STABILITY CLASS.....2. 20-FOOT WINDS.......NW TO NORTH AT 5 MPH AT IGNITION...OTHERWISE BECOMING NORTH 5 TO 7 MPH...THEN NORTH LESS THAN 5 MPH AFTER SUNSET. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........MCR MCR MCR MCR MCR MCR MCR WEATHER COV.....NONE. WEATHER TYPE....NONE. TEMP............57 58 60 62 63 64 63 RH..............38 36 33 31 29 29 31 20 FT WIND DIR..N N N N NE NE NE 20 FT WIND SPD..7 7 6 6 5 5 3 20 FT WIND GUST.5 5 10 10 10 5 5 EYE LVL WND DIR.N N N N NE NE NE EYE LVL WND SPD.4 4 4 4 3 3 2 EYE LVL WND GST.3 3 5 5 5 3 3 MIX HGT (KFT)... TRANSP WIND DIR.N N N N N N N TRANSP WIND SPD.16 15 10 9 8 8 6 CHC OF PCPN (%).0 0 0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). TEMPERATURE.........MIN 42. RH..................MAX 71 PERCENT. CHANCE OF PCPN......10 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. TRANSPORT WINDS........EAST 7 TO 16 MPH SHIFTING TO THE SOUTHEAST 16 TO 17 MPH AFTER MIDNIGHT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH LATE IN THE EVENING. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLEAR PCLDY PCLDY PCLDY PCLDY MCLDY WEATHER COV.....NONE. WEATHER TYPE....NONE. TEMP............62 57 53 51 48 46 RH..............33 43 51 57 64 68 20 FT WIND......E 3 E 3 E 3 E 5 E 6 SE 6 20 FT WIND GUST.5 5 5 10 10 10 EYE LVL WND DIR.E E E E E SE EYE LVL WND SPD.2 2 2 3 4 4 EYE LVL WND GST.3 3 3 5 5 5 TRANSP WIND DIR.E E E E SE SE TRANSP WIND SPD.7 10 14 16 17 16 CHC OF PCPN (%).0 10 10 10 10 10 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). TEMPERATURE.........MAX 69. RH..................MIN 46 PERCENT. CHANCE OF PCPN......10 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN THE MORNING. TRANSPORT WINDS........SOUTH 15 TO 16 MPH. MIXING HEIGHT.......BECOMING 4800 FT MSL. STABILITY CLASS.....3. 20-FOOT WINDS.......SOUTH WINDS 6 TO 7 MPH. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE TSTORM TEMP............46 51 61 67 RH..............69 59 48 46 20 FT WIND......SE 6G10 SE 6G10 SE 7G10 S 7G15 EYE LVL WND DIR.SE SE SE S EYE LVL WND SPD.4 4 4 4 EYE LVL WND GST.5 5 5 8 MIX HGT (FT).... TRANSP WIND DIR.SE SE S S TRANSP WIND SPD.16 16 16 16 CHC OF PCPN (%).10 10 10 20 $$ FORECASTER...M TREXLER REQUESTED BY...BEN ROWLAND TYPE OF REQUEST...PRESCRIBED .TAG 20110324.POLKC.01/LZK