FNUS73 KPAH 121306 FWSPAH SPOT FORECAST FOR GRASSY KNOB...USFS SHAWNEE NF NATIONAL WEATHER SERVICE PADUCAH KY 706 AM CST FRI NOV 12 2010 FORECAST IS BASED ON REQUEST TIME OF 0646 CST ON NOVEMBER 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE OVER THE EASTERN UNITED STATES WILL REMAIN IN CONTROL TODAY...PROVIDING THE AREA WITH DRY WEATHER...ALONG WITH CONTINUED UNSEASONABLY WARM HIGH TEMPERATURES IN THE MID TO UPPER 70S. RELATIVE HUMIDITY VALUES WILL BOTTOM OUT IN THE 20S. THIS SHOULD BE OUR LAST DAY OF VERY LOW HUMIDITY...AS VALUES INCREASE SUBSTANTIALLY OVER THE WEEKEND WITH THE PASSAGE OF A COLD FRONT. THIS COLD FRONT WILL MOVE EAST ACROSS OUR REGION ON SATURDAY AND SATURDAY EVENING...AND BRING A CHANCE OF WETTING RAIN. AMOUNTS IN THE TENTH TO QUARTER INCH RANGE SHOULD BE COMMON. MUCH COOLER WEATHER IS EXPECTED ON SUNDAY IN THE WAKE OF THIS SYSTEM. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). TEMPERATURE.........MAX 77. RH..................58 PERCENT AT REQUEST...MIN 21 PERCENT. WIND (20 FT)........WINDS SOUTHEAST AT 3 MPH AT REQUEST...OTHERWISE LIGHT SOUTHEAST WINDS BECOMING SOUTH 5 TO 7 MPH IN THE LATE MORNING OR AFTERNOON. CWR.................0 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT REQUEST. MIXING HEIGHT.......300-1200 FT AGL INCREASING TO 3200-4600 FT AGL EARLY IN THE AFTERNOON DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 5 TO 14 MPH INCREASING TO 9 TO 17 MPH IN THE AFTERNOON. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR PC PC WEATHER COV..... WEATHER TYPE.... TEMP............50 52 55 61 65 68 72 74 75 76 73 69 RH..............60 56 50 40 36 27 25 23 22 22 26 32 20 FT WIND DIR..SE SE SE SE SE S S S S S S S 20 FT WIND SPD..2 2 2 3 4 5 5 6 6 6 5 5 20 FT WIND GUST.5 5 5 5 10 10 10 15 15 15 10 10 MIX HGT (KFT)...0.3 0.3 0.3 0.3 1.2 2.5 3.5 4.3 4.6 4.4 3.2 1.6 TRANSP WIND DIR.E SE SE SE SE S S S S S S SE TRANSP WIND SPD.5 6 7 8 10 14 16 17 16 15 13 9 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 6 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 50. RH..................MAX 83 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH. CWR.................0 PERCENT INCREASING TO 14 PERCENT AFTER MIDNIGHT. MIXING HEIGHT.......0-300 FT AGL. TRANSPORT WINDS.....SOUTH 7 TO 12 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............65 60 57 55 53 51 RH..............40 53 59 64 71 77 20 FT WIND......S 4 S 4 S 4 S 5 S 5 S 5 20 FT WIND GUST.10 10 10 10 10 10 MIX HGT (FT)....300 BLW100 300 300 300 200 TRANSPORT WIND..SE 7 S 8 S 10 S 12 S 12 S 10 CWR.............0 0 0 10 10 10 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS LIKELY IN THE MORNING. CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. TEMPERATURE.........MAX 59. RH..................MIN 64 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 8 MPH. CWR.................62 PERCENT DECREASING TO 15 PERCENT IN THE 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.......300-2100 FT AGL INCREASING TO 2400-3400 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1200 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 9 TO 17 MPH SHIFTING TO THE SOUTHWEST AROUND 6 MPH LATE IN THE AFTERNOON. TIME (CST) 6 AM 9 AM NOON 3 PM SKY (%).........CLOUDY CLOUDY CLOUDY MCLDY WEATHER COV.....LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 54 57 57 RH..............80 80 69 64 20 FT WIND......S 5G10 S 6G15 SW 6G15 SW 6G15 MIX HGT (FT)....300 1000 2700 3300 TRANSPORT WIND..S 9 SW 17 NW 13 W 13 CWR.............60 60 20 20 HAINES INDEX....4 2 2 4 $$ FORECASTER...MEFFERT REQUESTED BY...JON TEUTRINE TYPE OF REQUEST...WILDFIRE .TAG 20101112.GRASS.01/PAH