FNUS75 KBOU 161403 FWSBOU SPOT FORECAST FOR PBFB 1...USFS NATIONAL WEATHER SERVICE DENVER CO 700 AM MST THU DEC 16 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WINDS WILL BE LIGHT TODAY WITH INCREASING CLOUDS. LIGHT SNOW WILL EVENTUALLY DEVELOP. A STABLE LAYER A COUPLE THOUSAND FEET OFF THE GROUND WILL LIMIT MIXING DEPTH...AND TOGETHER WITH THE LIGHT WINDS WILL HOLD BACK THE SMOKE DISPERSAL. THERE IS SOME WIND ALOFT SO FAIR DISPERSAL IS EXPECTED DURING THE PEAK MIXING THIS AFTERNOON. WHAT REMAINS OF THE SNOW WILL BE MOVING OUT ON FRIDAY MORNING. WIND AND MIXING WILL BE SIMILAR TO TODAY. WITH WARMING ALOFT OVER THE WEEKEND...MIXING WILL STILL BE SHALLOW BUT THE WINDS ALOFT WILL BE A BIT STRONGER SO THE WINDOW OF FAIR DISPERSAL SHOULD BE LONGER. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1100...THEN CHANCE OF SNOW UNTIL 1700...THEN SNOW LIKELY. MAX TEMPERATURE.....22-26. MIN HUMIDITY........52-62%. 20-FOOT WINDS.......SOUTH WINDS 2-6 MPH UNTIL 1200...THEN EAST 4-8 MPH. TRANSPORT WINDS.....SOUTHWEST 10-15 MPH. MIXING HEIGHT.......RISING TO 2000 FT AGL BY 1000 AND 4000 FT AGL BY 1300. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1400...THEN GOOD UNTIL 1600...THEN FAIR. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY. MIN TEMPERATURE.....5-10. MAX HUMIDITY........80-95%. 20-FOOT WINDS.......EAST WINDS 4-8 MPH UNTIL 2400...THEN SOUTHWEST 2-6 MPH. TRANSPORT WINDS.....SOUTHWEST 4-8 MPH. MIXING HEIGHT.......2000 FT AGL LOWERING TO 1000 FT AGL BY 2400. SMOKE DISPERSAL.....POOR. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF SNOW UNTIL 1100. MAX TEMPERATURE.....21-25. MIN HUMIDITY........50-60%. 20-FOOT WINDS.......SOUTHWEST 4-8 MPH BECOMING SOUTHEAST. TRANSPORT WINDS.....SOUTHWEST 8-16 MPH. MIXING HEIGHT.......RISING TO 3000 FT AGL BY 1000. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 17. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 30 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN AFTER 1200. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 13 MPH WITH GUSTS TO 30 MPH. .MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR PBFB 1. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP TF RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 12/16-06 78 24 16 74 SW 5 1 702 W 9 5631 P 12/16-07 78 24 16 77 SW 5 1 852 W 9 6328 P 12/16-08 78 24 16 78 S 5 5 2 1 W60 1002 W 8 7026 P 12/16-09 78 24 17 77 S 5 1 2122 W 12 29511 P 12/16-10 78 24 19 73 S 5 1 3242 W 16 51995 F 12/16-11 88 54 21 70 SE 5 5 2 1 W61 4363 W 20 74479 G 12/16-12 88 54 22 66 SE 3 1 4593 W 21 81239 G 12/16-13 88 54 23 64 SE 3 1 4823 W 21 87998 G 12/16-14 88 54 24 62 SE 3 3 2 1 W55 5053 W 22 94758 G 12/16-15 88 54 23 62 SE 5 1 4696 W 18 76951 G 12/16-16 88 54 22 63 E 6 1 4339 W 15 59145 F 12/16-17 88 60 20 66 E 7 7 2 1 W53 3982 W 12 41338 F 12/16-18 88 60 18 70 E 7 1 3309 W 9 30324 P 12/16-19 88 60 17 76 E 7 1 2636 SW 7 19310 P 12/16-20 88 60 15 81 E 6 6 2 1 W47 1964 SW 5 8296 P 12/16-21 88 60 13 86 E 5 1 1755 SW 5 6698 P 12/16-22 88 60 12 89 E 5 1 1546 S 3 5100 P 12/16-23 80 60 12 90 E 3 3 2 1 W41 1338 S 3 3501 P 12/17-00 80 60 11 90 E 2 1 1271 S 3 3739 P 12/17-01 80 60 10 88 E 2 1 1204 S 3 3977 P 12/17-02 80 60 10 86 E 2 2 2 1 W33 1137 S 5 4215 P 12/17-03 80 60 9 83 E 2 1 1147 S 5 4524 P 12/17-04 80 60 9 81 E 3 1 1158 S 5 4833 P 12/17-05 70 20 9 80 SE 5 5 2 1 W26 1168 S 5 5141 P 12/17-06 70 20 9 84 SE 5 1 1531 S 6 7157 P 12/17-07 70 20 9 88 SE 6 1 1895 SW 6 9172 P 12/17-08 70 20 14 74 SE 6 6 2 1 W24 2258 SW 6 11187 P 12/17-09 70 20 16 69 SE 6 1 3061 SW 5 13944 P 12/17-10 70 20 18 66 SE 5 1 3472 SW 6 19817 P 12/17-11 52 8 20 62 SE 5 5 2 1 W22 3884 SW 8 25690 P 12/17-12 52 8 21 59 SE 5 1 4030 SW 10 35808 P 12/17-13 52 8 22 57 SE 5 1 4176 W 13 45925 F 12/17-14 52 8 22 56 SE 5 5 2 1 W20 4322 W 15 56043 F 12/17-15 52 8 22 56 SE 5 1 4061 W 16 54932 F 12/17-16 52 8 21 56 SE 6 1 3801 W 16 53822 F 12/17-17 45 3 19 58 SE 6 6 2 1 NW24 3540 W 17 52711 F 12/17-18 45 3 18 59 S 6 1 3270 W 17 50191 F 12/17-19 45 3 18 58 S 5 1 3000 W 18 47672 F 12/17-20 45 3 17 57 SW 5 5 2 1 NW29 2730 W 20 45152 F 12/17-21 45 3 17 55 SW 6 1 2506 W 20 43196 F 12/17-22 45 3 17 54 SW 8 1 2282 W 21 41239 F 12/17-23 47 3 16 54 W 9 15 2 1 W32 2058 W 22 39283 P 12/18-00 47 3 16 55 W 10 1 1818 W 22 34499 P 12/18-01 47 3 15 56 W 10 1 1578 W 22 29714 P 12/18-02 47 3 15 58 W 12 18 2 1 NW52 1337 W 22 24930 P 12/18-03 47 3 15 60 W 14 1 1182 W 21 21784 P 12/18-04 47 3 14 62 W 16 1 1026 W 21 18639 P 12/18-05 40 11 14 64 W 18 30 2 1 NW64 871 W 21 15493 P 12/18-06 40 11 14 65 W 18 1 837 W 20 13916 P 12/18-07 40 11 14 66 W 17 1 803 W 17 12338 P 12/18-08 40 11 15 64 W 15 24 2 1 NW52 768 W 16 10761 P 12/18-09 40 11 18 56 W 13 1 1259 W 20 23328 P 12/18-10 40 11 21 51 W 10 1 1750 W 22 35894 P 12/18-11 50 11 24 47 W 8 13 2 1 W47 2240 W 25 48461 F 12/18-12 50 11 26 47 W 8 1 2392 W 26 55667 F 12/18-13 50 11 27 50 W 9 1 2545 W 29 62874 G 12/18-14 50 11 27 53 W 10 16 2 1 W46 2697 W 30 70081 G 12/18-15 50 11 27 57 W 10 1 2562 W 31 69738 G 12/18-16 50 11 27 61 W 12 1 2427 W 33 69394 G 12/18-17 57 17 26 65 W 12 18 2 1 NW51 2292 W 35 69051 G 12/18-18 57 17 26 68 W 12 1 2063 W 35 61311 G 12/18-19 57 17 25 69 W 13 1 1834 W 33 53571 F 12/18-20 57 17 25 69 W 13 21 2 1 W47 1605 W 33 45831 F 12/18-21 57 17 25 69 W 13 1 1325 W 33 38160 P 12/18-22 57 17 25 69 W 13 1 1045 W 33 30489 P 12/18-23 61 17 23 74 W 13 21 2 1 W59 766 W 35 22818 P 12/19-00 61 17 24 70 W 14 1 826 W 35 24609 P 12/19-01 61 17 25 70 W 16 1 887 W 35 26400 P 12/19-02 61 17 24 73 W 17 28 2 1 W70 947 W 35 28190 P 12/19-03 61 17 24 76 W 18 1 958 W 35 28299 P 12/19-04 61 17 25 75 W 20 1 969 W 33 28407 P 12/19-05 61 27 24 80 W 20 31 2 1 W69 980 W 33 28516 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION /PERCENT/ TF - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E - EXCELLENT $$ FORECASTER...GIMMESTAD REQUESTED BY...ED LEBLANC REASON FOR REQUEST...PRESCRIBED .TAG 20101216.PBFB1.01/BOU