FNUS75 KBOU 210452 FWSBOU SPOT FORECAST FOR HALL RANCH...USFS NATIONAL WEATHER SERVICE DENVER CO 951 PM MST FRI JAN 20 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DISTURBANCE IN STRONG WEST TO NORTHWEST FLOW ALOFT WILL PRODUCE STRONG WINDS AND A SLIGHT CHANCE OF RAIN AND SNOW BY SATURDAY AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .SATURDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200...THEN MOSTLY CLOUDY(50-60%). SLIGHT CHANCE OF RAIN AND SNOW AFTER 1100 UNTIL 1700...THEN CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. MAX TEMPERATURE.....54. MIN HUMIDITY........28%. 20-FOOT WINDS.......WINDY. WEST WINDS 11-21 MPH WITH GUSTS TO 35 MPH UNTIL 1200...THEN 21-30 MPH WITH GUSTS TO 45 MPH. TRANSPORT WINDS.....WEST 29-40 MPH UNTIL 1200...THEN 48-56 MPH. MIXING HEIGHT.......3000-4000 FT AGL UNTIL 1700...THEN 1400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........4 LOW. .SATURDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 2300...THEN CHANCE OF SNOW UNTIL 0500...THEN SLIGHT CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....24. MAX HUMIDITY........72%. 20-FOOT WINDS.......WINDY. WEST WINDS 26-39 MPH. GUSTS UP TO 50 MPH. TRANSPORT WINDS.....WEST 32-40 MPH. MIXING HEIGHT.......1000-1200 FT AGL UNTIL 2000...THEN BELOW 1000 FT AGL UNTIL 2400...THEN 2000-3000 FT AGL UNTIL 0200...THEN 4400-4600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1900...THEN POOR UNTIL 2400...THEN FAIR UNTIL 0100...THEN GOOD UNTIL 0200...THEN VERY GOOD UNTIL 0400...THEN EXCELLENT. HAINES INDEX........3 VERY LOW. .SUNDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100. MAX TEMPERATURE.....36. MIN HUMIDITY........30%. 20-FOOT WINDS.......WINDY. WEST WINDS 26-39 MPH WITH GUSTS TO 50 MPH. TRANSPORT WINDS.....NORTHWEST 40-52 MPH. MIXING HEIGHT.......5400-6400 FT AGL UNTIL 1100...THEN 6600-7600 FT AGL UNTIL 1600...THEN 3600-4600 FT AGL. SMOKE DISPERSAL.....EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........3 VERY LOW. FIRE WEATHER TABLE FOR HALL RANCH. +++ 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 WR AT 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 01/20-21 31 0 0 35 51 W 9 9 3 1 NW25 2910 W21 55913 F 01/20-22 31 0 0 35 51 W 9 9 3 1 W26 2400 W18 41564 F 01/20-23 28 0 0 34 51 W10 10 3 1 W28 1890 W16 27216 P 01/21-00 28 0 0 34 52 W12 12 3 1 W30 1563 W18 23620 P 01/21-01 28 0 0 33 53 W13 13 2 1 W32 1235 W20 20025 P 01/21-02 28 0 0 33 55 W14 22 2 1 W36 908 W21 16429 P 01/21-03 28 0 0 33 57 W13 16 2 1 W43 956 W20 16490 P 01/21-04 28 0 0 32 58 W10 15 2 1 W48 1003 W20 16550 P 01/21-05 43 2 0 32 60 SW 9 10 2 1 W49 1051 W18 16611 P 01/21-06 43 2 0 31 65 W10 14 2 1 W44 1217 W22 24385 P 01/21-07 43 2 0 29 73 W12 16 2 1 W33 1382 W25 32160 P 01/21-08 43 2 0 30 72 W14 24 2 1 W25 1548 W30 39935 P 01/21-09 43 2 0 37 55 W16 29 3 1 W21 2035 W36 68977 G 01/21-10 43 2 0 44 42 W17 31 4 1 SW20 2522 W43 98019 G 01/21-11 59 10 2 48 37 W20 36 4 1 SW23 3009 W48 127061 V 01/21-12 59 10 2 50 33 W22 39 4 1 SW35 3398 W52 154101 E 01/21-13 59 10 2 54 28 W24 41 3 1 W48 3788 W54 181141 E 01/21-14 59 10 2 51 31 W26 44 2 1 W61 4177 W58 208180 E 01/21-15 59 10 2 48 34 W28 46 2 1 W63 3529 W55 172645 E 01/21-16 59 10 2 46 37 W28 47 2 1 SW62 2880 W54 137109 V 01/21-17 75 35 13 39 47 W26 40 2 1 SW61 1357 W46 53871 F 01/21-18 75 35 13 37 50 W24 37 2 1 SW66 1129 W39 40881 F 01/21-19 75 35 13 36 53 W23 33 2 1 SW68 901 W32 27892 P 01/21-20 75 35 13 33 58 W22 33 2 1 SW68 672 W25 14903 P 01/21-21 75 35 13 32 63 W23 35 2 1 SW61 637 W28 15024 P 01/21-22 75 35 13 30 69 W25 38 3 1 SW52 602 W29 15145 P 01/21-23 75 35 13 30 69 W28 41 3 1 SW41 566 W31 15266 P 01/22-00 75 35 13 27 72 W30 44 3 1 SW35 1816 W33 56172 F 01/22-01 75 35 13 30 60 W31 46 3 1 W29 3066 W35 97078 G 01/22-02 75 35 13 32 50 W32 48 3 1 W26 4316 NW37 137984 V 01/22-03 75 35 13 31 50 W33 49 3 1 W29 4411 NW39 151344 E 01/22-04 75 35 13 30 50 W35 52 3 1 W35 4505 NW41 164705 E 01/22-05 41 10 2 28 54 W35 52 3 1 W40 4599 NW45 178065 E 01/22-06 41 10 2 26 56 W35 52 3 1 W46 4632 NW45 179446 E 01/22-07 41 10 2 24 62 W33 51 2 1 NW51 4665 NW45 180827 E 01/22-08 41 10 2 25 60 W33 51 2 1 NW53 4699 NW45 182207 E 01/22-09 41 10 2 29 49 W33 49 2 1 NW49 5877 NW45 232050 E 01/22-10 41 10 2 31 42 W32 48 2 1 NW44 7054 NW46 281892 E 01/22-11 40 9 2 33 37 W32 48 2 1 NW44 8232 NW46 331734 E 01/22-12 40 9 2 34 34 W33 49 2 1 NW56 7954 NW47 329415 E 01/22-13 40 9 2 36 30 W33 51 2 1 NW73 7676 NW49 327095 E 01/22-14 40 9 2 35 31 W33 51 2 1 NW85 7398 NW51 324776 E 01/22-15 40 9 2 35 31 W32 47 2 1 NW89 6052 NW47 254317 E 01/22-16 40 9 2 32 33 W30 44 3 1 NW86 4706 W43 183859 E 01/22-17 17 0 0 27 39 W26 40 3 1 NW78 3360 W39 113400 V 01/22-18 17 0 0 27 40 W23 35 3 1 NW67 2721 W35 85842 G 01/22-19 17 0 0 26 41 W21 30 4 1 NW52 2083 W29 58284 F 01/22-20 17 0 0 24 42 W17 26 4 1 NW39 1444 W24 30726 P 01/22-21 17 0 0 24 43 W15 22 3 1 NW31 1303 W23 26187 P 01/22-22 17 0 0 23 44 W13 18 3 1 W26 1161 W21 21648 P 01/22-23 21 0 0 23 43 W12 17 2 1 W24 1020 W20 17108 P 01/23-00 21 0 0 21 46 W13 18 2 1 W25 1106 W21 19955 P 01/23-01 21 0 0 22 43 W15 22 2 1 NW29 1192 W22 22803 P 01/23-02 21 0 0 24 41 W17 26 2 1 NW32 1278 W23 25650 P 01/23-03 21 0 0 23 43 W20 30 2 1 NW33 962 W23 19297 P 01/23-04 21 0 0 23 45 W23 35 3 1 W35 645 W23 12944 P 01/23-05 25 0 0 21 49 W25 38 3 1 W35 328 W23 6592 P 01/23-06 25 0 0 21 52 W28 41 3 1 W33 297 W25 6314 P 01/23-07 25 0 0 19 57 W29 44 3 1 W33 267 W26 6037 P 01/23-08 25 0 0 21 56 W30 45 3 1 SW32 236 W28 5760 P 01/23-09 25 0 0 28 43 W31 46 3 1 SW35 1192 W30 34479 P 01/23-10 25 0 0 34 35 W30 45 2 1 SW37 2147 W32 63199 G 01/23-11 47 4 1 37 32 W29 44 2 1 SW38 3103 W35 91918 G 01/23-12 47 4 1 40 30 W25 39 2 1 W38 3739 W32 101460 V 01/23-13 47 4 1 44 26 W22 32 2 1 W37 4374 W30 111001 V 01/23-14 47 4 1 42 28 W17 26 2 1 W35 5009 W28 120543 V 01/23-15 47 4 1 42 28 W13 18 2 1 W33 4319 W23 92512 G 01/23-16 47 4 1 38 33 W 8 8 2 1 W32 3629 W18 64481 G 01/23-17 57 18 4 32 43 W 5 5 2 1 W31 2939 W14 36450 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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 $$ WFO BOULDER REQUESTED BY...JAY STALNACKER REASON FOR REQUEST...PRESCRIBED .TAG 20120121.HALLR.01/BOU