FNUS74 KAMA 270245 FWSAMA SPOT FORECAST FOR WALSH...JA CATTLE NATIONAL WEATHER SERVICE AMARILLO TX 845 PM CST FRI FEB 26 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON FEBRUARY 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER RIDGE OF HIGH PRESSURE WILL BUILD IN OVER THE BURN SITE SATURDAY AND SATURDAY NIGHT KEEPING SKIES GENERALLY CLEAR TO PARTLY CLOUDY. NO PRECIPITATION IS EXPECTED AT THE BURN SITE SATURDAY. AN UPPER LOW PRESSURE SYSTEM WILL APPROACH THE BURN SITE BY LATE SUNDAY FROM THE SOUTHERN ROCKIES. INCREASING CLOUDINESS WILL BE THE RULE ON SUNDAY ALONG WITH THE POSSIBILITY OF SOME LIGHT RAIN BY LATE SUNDAY. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). TEMPERATURE.........53 AT IGNITION...MAX 61. MIN HUMIDITY........38 PERCENT AT IGNITION...MIN 28 PERCENT. WIND (20 FT)........WINDS SOUTH AT 5 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-500 FT AGL INCREASING TO 6000 FT AGL AT IGNITION...OTHERWISE 6000-6500 FT AGL. MIXING WINDS........SOUTH 3 TO 10 MPH INCREASING TO AROUND 13 MPH LATE IN THE AFTERNOON. TIME (CST) NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............53 60 61 RH..............38 29 28 20 FT WIND......S 6 S 7 S 9 20 FT WIND GUST. 10 10 CHC OF PCPN (%).0 0 0 HAINES INDEX....4 4 4 .SATURDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....34. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 9 TO 14 MPH. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6500 FT AGL DECREASING TO 0 FT AGL. MIXING WINDS........SOUTHEAST 6 TO 13 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............56 48 44 41 38 36 RH..............34 47 55 65 73 79 20 FT WIND......S 10 SE 9 SE 10 SE 14 SE 13 SE 13 20 FT WIND GUST.15 10 15 20 20 20 CHC OF PCPN (%).0 0 0 0 0 0 HAINES INDEX....4 4 4 4 4 4 .SUNDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN LATE IN THE AFTERNOON. MAX TEMPERATURE.....46. MIN HUMIDITY........63 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 14 TO 18 MPH. CHANCE OF PCPN......30 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-500 FT AGL INCREASING TO 5000-5500 FT AGL. MIXING WINDS........SOUTHEAST 7 TO 14 MPH INCREASING TO 31 TO 35 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY CLOUDY CLOUDY CLOUDY WEATHER COV..... CHANCE WEATHER TYPE....NONE NONE NONE NONE NONE RAIN TEMP............34 35 39 43 45 46 RH..............85 82 73 65 63 63 20 FT WIND......SE 14 SE 14 SE 15 SE 16 SE 17 SE 17 20 FT WIND GUST.20 20 20 25 25 25 CHC OF PCPN (%).20 20 20 30 30 30 HAINES INDEX....4 4 4 2 2 2 $$ FORECASTER...SCHNEIDER REQUESTED BY...ANDREW BIVINS TYPE OF REQUEST...PRESCRIBED .TAG 20100227.WALSH.01/AMA