FNUS74 KAMA 271901 FWSAMA SPOT FORECAST FOR ROSITA FLATS...TEXAS FOREST SERVICE NATIONAL WEATHER SERVICE AMARILLO TX 101 PM CST SUN FEB 27 2011 FORECAST IS BASED ON REQUEST TIME OF 1300 CST ON FEBRUARY 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING... .DISCUSSION... EXTREMELY CRITICAL FIRE WEATHER CONDITIONS CAN BE EXPECTED THIS AT THE BURN SITE. MINIMUM RELATIVE HUMIDITY VALUES WILL FALL BETWEEN 5 AND 10 PERCENT. SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO NEAR 60 MPH CAN BE EXPECTED AT THE BURN SITE THROUGH THE AFTERNOON HOURS. BLOWING DUST MAY ALSO REDUCE VISIBILITIES TO LESS THAN 1 MILE AT TIMES. ALSO THIS EVENING...A COLD FRONT WILL BRING AN ABRUPT SHIFT TO NORTHERLY WINDS BETWEEN 7 PM AND MIDNIGHT. WINDS BEHIND THE FRONT WILL BE BREEZY... 15 TO 25 MPH...BUT SHOULD DIMINISH FURTHER AFTER MIDNIGHT. .REST OF TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). PATCHY BLOWING DUST EARLY IN THE AFTERNOON...THEN AREAS OF BLOWING DUST EARLY IN THE AFTERNOON. TEMPERATURE.........74 AT REQUEST...MAX 77. RH..................9 PERCENT AT REQUEST...MIN 8 PERCENT. WIND (20 FT)........WINDS SOUTHWEST AT 35 MPH AT REQUEST...OTHERWISE WINDY. SOUTHWEST WINDS 30 TO 36 MPH. GUSTS UP TO 45 MPH INCREASING TO 60 MPH IN THE AFTERNOON...THEN DECREASING TO 45 MPH LATE 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.......6500 FT AGL INCREASING TO 9000 FT AGL AT REQUEST...OTHERWISE 9000 FT AGL EARLY IN THE AFTERNOON...THEN INCREASING TO 11000 FT AGL EARLY IN THE AFTERNOON INCREASING TO 12000-13500 FT AGL LATE IN THE AFTERNOON DECREASING TO 11000 FT AGL. MIXING WINDS........SOUTHWEST 36 TO 41 MPH INCREASING TO 46 TO 49 MPH EARLY IN THE AFTERNOON. TIME (CST) 1PM 2PM 3PM 4PM 5PM SKY (%).........MCR MCR PC PC PC WEATHER COV.....PTY ARS ARS ARS ARS WEATHER TYPE....BDT BDT BDT BDT BDT TEMP............74 76 76 74 71 RH..............9 7 5 6 7 20 FT WIND DIR..SW SW SW SW SW 20 FT WIND SPD..36 35 36 32 30 20 FT WIND GUST.55 55 60 55 45 CHC OF PCPN (%).0 0 0 0 0 HAINES INDEX....3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). AREAS OF BLOWING DUST EARLY IN THE EVENING. TEMPERATURE.........MIN 26. RH..................MAX 84 PERCENT. WIND (20 FT)........BREEZY. WEST WINDS 22 TO 26 MPH WITH GUSTS TO AROUND 40 MPH SHIFTING TO THE NORTH 12 TO 20 MPH LATE IN THE EVENING...THEN SHIFTING TO THE NORTHWEST 8 TO 9 MPH EARLY IN THE MORNING. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......9500 FT AGL DECREASING TO 500 FT AGL. MIXING WINDS........WEST 37 TO 45 MPH BECOMING NORTHWEST 23 TO 32 MPH IN THE LATE EVENING AND EARLY MORNING...THEN SHIFTING TO THE NORTH 16 TO 22 MPH AFTER MIDNIGHT DECREASING TO AROUND 10 MPH EARLY IN THE MORNING. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........MCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV.....AREAS WEATHER TYPE....BLDUST NONE NONE NONE NONE NONE TEMP............66 55 44 34 28 26 RH..............10 15 27 43 60 74 20 FT WIND......SW 26 W 25 W 22 N 17 N 14 N 9 20 FT WIND GUST.40 40 35 30 20 15 CHC OF PCPN (%).0 0 0 0 0 0 HAINES INDEX....2 2 2 3 3 3 .MONDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). TEMPERATURE.........MAX 62. RH..................MIN 17 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH SHIFTING TO THE SOUTH 6 TO 13 MPH LATE IN THE MORNING. CHANCE OF PCPN......0 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......500-2000 FT AGL INCREASING TO 5500-6000 FT AGL. MIXING WINDS........NORTHWEST 3 TO 6 MPH SHIFTING TO THE SOUTHWEST 7 TO 15 MPH LATE IN THE MORNING...THEN INCREASING TO 18 TO 20 MPH LATE IN THE AFTERNOON. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLEAR MCLEAR MCLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............26 27 41 53 60 62 RH..............81 78 44 28 19 17 20 FT WIND......NW 6 NW 6 W 6 S 7 S 10 S 13 20 FT WIND GUST.10 10 10 10 15 20 CHC OF PCPN (%).0 0 0 0 0 0 HAINES INDEX....2 2 2 4 4 4 $$ FORECASTER...BEAL REQUESTED BY...TFS TYPE OF REQUEST...WILDFIRE .TAG 20110223.PLUMC.01/AMA