FNUS74 KLZK 151604 FWSLZK SPOT FORECAST FOR ARKANSAS POST PILE BURNING...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE LITTLE ROCK AR 1104 AM CDT WED JUL 15 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON JULY 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .DISCUSSION... HIGH PRESSURE WILL BUILD OVER THE AREA TODAY. BEST CHANCES OF PRECIPITATION WILL BE IN THE NORTH AND CENTRAL SECTIONS. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER NORTH AND CENTRAL SECTIONS. ISOLATED THUNDERSTORMS ARE ANTICIPATED IN THE SOUTHEAST. A COLD FRONT APPROACHES FROM THE NORTHWEST LATE TONIGHT AND WILL BRING BETTER CHANCES OF THUNDERSTORMS ON THURSDAY AND FRIDAY. COOLER TEMPERATURES WILL SETTLE IN BEHIND THE FRONT FOR THE WEEKEND. .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. TEMPERATURE.........90 AT IGNITION...MAX 92. RH..................59 PERCENT AT IGNITION...MIN 54 PERCENT. CHANCE OF PCPN......20 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. TRANSPORT WINDS........SOUTHWEST 6 TO 12 MPH. MIXING HEIGHT.......BECOMING 5000 FT MSL. STABILITY CLASS.....3. 20-FOOT WINDS.......WINDS SOUTHWEST AT 3 MPH AT IGNITION...OTHERWISE LIGHT WINDS. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........PC MC MC MC MC MC WEATHER COV.....SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TEMP............90 90 91 92 92 91 RH..............59 58 56 54 54 54 20 FT WIND DIR..SW SW SW SW SW S 20 FT WIND SPD..2 3 3 3 3 3 20 FT WIND GUST.5 5 5 5 5 5 EYE LVL WND DIR.SW SW SW SW SW S EYE LVL WND SPD.1 2 2 2 2 2 EYE LVL WND GST.3 3 3 3 3 3 MIX HGT (KFT)...5000 FT MSL TRANSP WIND DIR.W W W W SW SW TRANSP WIND SPD.10 9 8 7 7 6 CHC OF PCPN (%).20 20 20 20 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. TEMPERATURE.........MIN 74. RH..................MAX 93 PERCENT. CHANCE OF PCPN......10 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. TRANSPORT WINDS........SOUTHWEST 6 TO 15 MPH INCREASING TO AROUND 16 MPH EARLY IN THE MORNING. MIXING HEIGHT.......BECOMING 2200 FT MSL. STABILITY CLASS.....4. 20-FOOT WINDS.......SOUTH WINDS 5 TO 6 MPH. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........MC MC MC MC PC PC PC PC PC PC PC PC WEATHER COV.....SCH WEATHER TYPE....TSM TEMP............90 88 87 85 84 82 81 79 78 77 76 75 RH..............56 58 61 64 68 72 76 81 84 86 89 91 20 FT WIND DIR..S S S S S S S S S S S SW 20 FT WIND SPD..5 5 5 6 6 6 6 6 6 6 6 6 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5 5 EYE LVL WND DIR.S S S S S S S S S S S SW EYE LVL WND SPD.3 3 3 4 4 4 4 4 4 4 4 4 EYE LVL WND GST.3 3 3 3 3 3 3 3 3 3 3 3 MIX HGT (KFT)... TRANSP WIND DIR.SW SW SW SW S S S S S SW SW SW TRANSP WIND SPD.6 6 7 7 8 10 12 13 14 15 15 16 CHC OF PCPN (%).20 10 10 10 10 10 10 10 10 10 10 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. TEMPERATURE.........MAX 94. RH..................MIN 52 PERCENT. CHANCE OF PCPN......30 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS. TRANSPORT WINDS........NORTHWEST 14 TO 18 MPH. MIXING HEIGHT.......BECOMING 5900 FT MSL. STABILITY CLASS.....3. TIME (CDT) 6 AM 9 AM NOON 3 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE TSTORM TSTORM TSTORM TEMP............74 80 89 94 RH..............93 78 61 53 EYE LVL WND DIR.SW W W W EYE LVL WND SPD.3 2 1 1 EYE LVL WND GST.3 3 3 3 MIX HGT (FT).... TRANSP WIND DIR.SW W NW NW TRANSP WIND SPD.17 18 18 16 CHC OF PCPN (%).10 30 30 30 $$ FORECASTER...L PYLE REQUESTED BY...TONY COLLINS TYPE OF REQUEST...PRESCRIBED .TAG 20090715.ARKAN.01/LZK