FNUS74 KAMA 191232 FWSAMA SPOT FORECAST FOR ROSITA RX...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE AMARILLO TX 632 AM CST TUE JAN 19 2010 FORECAST IS BASED ON IGNITION TIME OF 0930 CST ON JANUARY 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MINIMUM RELATIVE HUMIDITY VALUES WILL FALL INTO THE 20 TO 25 PERCENT RANGE AT THE BURN SITE. SOUTHWEST WINDS OF 15 TO 20 MPH THIS MORNING WILL INCREASE T0 25 TO 30 MPH WITH A FEW GUSTS TO 40 MPH THIS AFTERNOON. SOUTHWEST WINDS SHOULD DECREASE TO 15 TO 20 MPH BY 800 PM THIS EVENING. MOISTURE RECOVERY WILL BE GOOD THIS EVENING WITH RELATIVE HUMIDITY VALUES INCREASING TO NEAR 80 PERCENT. NO PRECIPITATION IS ANTICIPATED AT THE BURN SITE TODAY. HOWEVER...MID AND HIGH LEVEL CLOUDS WILL BE ON THE INCREASE. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........23 PERCENT. WIND (20 FT)........BREEZY. SOUTHWEST WINDS 12 TO 21 MPH INCREASING TO 23 TO 26 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-1500 FT AGL INCREASING TO 5500-7000 FT AGL. MIXING WINDS........SOUTHWEST 9 TO 14 MPH INCREASING TO 33 TO 40 MPH. TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............39 51 61 65 62 RH..............67 40 28 23 25 20 FT WIND......SW 16 SW 21 SW 25 SW 26 SW 23 20 FT WIND GUST.25 30 40 40 35 CHC OF PCPN (%).0 0 0 0 0 HAINES INDEX....3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 33. MAX HUMIDITY........78 PERCENT. WIND (20 FT)........WEST WINDS 13 TO 21 MPH DECREASING TO 8 TO 10 MPH AFTER MIDNIGHT. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500-5000 FT AGL DECREASING TO 0 FT AGL. MIXING WINDS........WEST 32 TO 40 MPH DECREASING TO 7 TO 14 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLDY MCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............55 47 43 40 37 35 RH..............32 43 51 60 64 71 20 FT WIND......SW 21 W 18 W 16 W 14 W 10 W 8 20 FT WIND GUST.30 25 25 20 15 10 CHC OF PCPN (%).0 0 0 0 0 0 HAINES INDEX....3 3 3 5 5 5 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........37 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 7 TO 16 MPH INCREASING TO 17 TO 21 MPH EARLY IN THE AFTERNOON. CHANCE OF PCPN......20 PERCENT. LAL.................1. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-1500 FT AGL INCREASING TO 5000-6000 FT AGL. MIXING WINDS........SOUTHWEST 2 TO 6 MPH INCREASING TO 24 TO 33 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............34 33 41 50 55 56 RH..............71 78 61 46 39 37 20 FT WIND......SW 7 SW 7 SW 9 SW 14 SW 18 SW 20 20 FT WIND GUST.10 10 10 20 25 30 CHC OF PCPN (%).20 20 20 20 20 20 HAINES INDEX....5 5 5 3 3 3 $$ FORECASTER...BEAL REQUESTED BY...JASON MCDANIEL TYPE OF REQUEST...PRESCRIBED .TAG 20100119.ROSIT.01/AMA