FNUS75 KBOU 141155 FWSBOU SPOT FORECAST FOR OWL MTN SOUTH PILES...USFS NATIONAL WEATHER SERVICE DENVER/BOULDER CO 452 AM MST FRI DEC 14 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL TROUGH WILL MOVE OVER THE AREA THIS AFTERNOON AND TONIGHT WHICH WILL BRING A GOOD CHANCE OF SNOW SHOWERS WITH THE BEST CHANCE TONIGHT. 2 TO 4 INCHES OF SNOW COULD FALL TONIGHT. TEMPERATURES WILL BE COLDER TODAY WITH HIGHER HUMIDITY. SMOKE DISPERSAL WILL BE POOR THIS MORNING AND AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100...THEN CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....AROUND 31. MIN HUMIDITY........44%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 2700-3700 FT AGL. TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1100...THEN NORTHEAST UP TO 10 MPH. SMOKE DISPERSAL.....POOR. .TONIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 2300...THEN SNOW SHOWERS LIKELY. MIN TEMPERATURE.....AROUND 15. MAX HUMIDITY........100%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2000...THEN WEST 10-11 MPH WITH GUSTS TO 20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2100...THEN 1500-2500 FT AGL. TRANSPORT WINDS.....NORTHWEST 10-20 MPH UNTIL 2300...THEN WEST 20-30 MPH. SMOKE DISPERSAL.....POOR UNTIL 2300...THEN FAIR UNTIL 0400...THEN POOR. .SATURDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1100...THEN CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....AROUND 26. MIN HUMIDITY........64%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1100...THEN SOUTHWEST 6-12 MPH UNTIL 1400...THEN UPSLOPE/UPVALLEY 4-10 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 5100-6100 FT AGL AFTER 1100. TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 1100...THEN WEST 25-30 MPH. SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1400. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 11. HIGHS IN THE MID 20S. WEST WINDS 10-20 MPH. .MONDAY...CLOUDY. CHANCE OF SNOW. LOWS AROUND 10. HIGHS IN THE MID 20S. WEST WINDS 13-17 MPH. .TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 12. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS 12-16 MPH. FIRE WEATHER TABLE FOR OWL MTN SOUTH PILES. +++ 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 TF RH 20FT G H L MIXG TRAN VENTL AJTV VALID AT % % % F % WIND S I A HGT WIND RATE RATNG MPH T L AGL MPH KT-FT 12/14-04 61 0 0 17 68 S 5 5 549 SW 9 4362 P 12/14-05 69 14 2 17 67 S 5 5 562 SW 9 4377 P 12/14-06 69 14 2 18 65 6 505 SW 8 3548 P 12/14-07 69 14 2 19 65 6 448 S 7 2720 P 12/14-08 77 14 3 21 62 SE 6 7 392 S 6 1891 P 12/14-09 77 14 3 25 56 8 1434 SE 7 10807 P 12/14-10 77 14 3 28 53 8 2476 SE 8 19724 P 12/14-11 89 46 23 31 49 E 7 8 3518 E 9 28640 P 12/14-12 89 46 23 33 45 7 3949 E 7 22220 P 12/14-13 89 46 23 33 44 6 4380 N 5 15800 P 12/14-14 89 46 23 32 45 CALM 5 4810 N 2 9380 P 12/14-15 89 46 23 29 52 6 3414 N 5 8230 P 12/14-16 89 46 23 26 62 7 2018 N 8 7081 P 12/14-17 90 54 26 25 68 NW 8 8 622 N 12 5931 P 12/14-18 90 54 26 23 77 9 527 NW 12 5061 P 12/14-19 90 54 26 22 84 9 541 NW 12 5503 P 12/14-20 90 54 26 20 96 W 12 14 556 W 13 5946 P 12/14-21 90 54 26 18 00 16 1251 W 16 21116 P 12/14-22 90 54 26 17 00 18 1946 W 20 36286 P 12/14-23 87 64 13 17 96 W 13 21 2641 W 22 51456 12/15-00 87 64 13 17 94 21 2638 W 24 55075 12/15-01 87 64 13 17 93 21 2636 W 25 58694 12/15-02 87 64 13 17 92 W 13 21 2634 W 28 62313 G 12/15-03 87 64 13 18 85 20 1958 W 23 43989 12/15-04 87 64 13 16 90 18 1281 W 18 25664 P 12/15-05 74 48 24 16 92 SW 7 7 605 W 14 7340 P 12/15-06 74 48 24 16 89 SW 7 7 744 W 15 9511 P 12/15-07 74 48 24 16 88 SW 8 13 884 SW 15 11683 P 12/15-08 74 48 24 15 92 SW 8 13 1023 SW 16 13854 P 12/15-09 74 48 24 17 87 SW 8 8 2233 SW 18 42313 12/15-10 74 48 24 20 81 SW 7 7 3442 W 22 70772 G 12/15-11 95 55 30 23 74 SW 7 7 4651 W 24 99231 G 12/15-12 95 55 30 26 65 SW 8 13 5220 W 24 111749 V 12/15-13 95 55 30 26 64 W 9 14 5790 W 24 124267 V 12/15-14 95 55 30 25 65 W 9 15 6359 W 25 136786 V 12/15-15 95 55 30 24 67 W 8 13 5949 W 26 133446 V 12/15-16 95 55 30 23 69 W 6 6 5539 W 28 130107 V 12/15-17 88 55 30 21 74 W 6 6 5130 W 29 126768 V 12/15-18 88 55 30 20 74 W 8 14 5006 W 30 129902 V 12/15-19 88 55 30 19 74 W 12 20 4882 W 31 133037 V 12/15-20 88 45 22 18 74 W 15 24 4758 W 33 136171 V 12/15-21 88 45 22 17 74 W 16 25 4738 W 35 142510 V 12/15-22 88 45 22 17 72 W 15 24 4718 W 37 148849 V 12/15-23 72 24 5 16 73 W 15 24 4697 W 38 155188 E 12/16-00 72 24 5 15 75 W 15 24 4409 W 39 148118 V 12/16-01 72 24 5 14 77 W 16 25 4120 W 39 141049 V 12/16-02 72 24 5 13 80 W 16 25 3832 W 40 133980 V 12/16-03 72 24 5 13 80 W 16 26 3671 W 40 127431 V 12/16-04 72 24 5 12 84 W 17 26 3510 W 39 120882 V 12/16-05 72 22 4 12 84 W 17 28 3350 W 39 114334 V 12/16-06 72 22 4 11 86 W 17 28 3465 W 40 120711 V 12/16-07 72 22 4 11 84 W 18 29 3580 W 40 127089 V 12/16-08 72 22 4 12 80 W 18 30 3696 W 41 133466 V 12/16-09 72 22 4 16 68 W 20 31 5474 W 44 211192 E 12/16-10 72 22 4 21 56 W 20 32 7251 W 45 288919 E 12/16-11 74 30 9 25 48 W 21 33 9029 W 47 366645 E 12/16-12 74 30 9 26 47 W 22 35 9357 W 47 383449 E 12/16-13 74 30 9 25 49 W 22 35 9685 W 47 400254 E 12/16-14 74 30 9 24 52 W 22 35 10012 W 48 417058 E 12/16-15 74 30 9 22 58 W 21 33 8990 W 48 378802 E 12/16-16 74 30 9 20 64 W 20 32 7967 W 49 340547 E 12/16-17 88 37 15 19 67 W 18 30 6944 W 51 302291 E 12/16-18 88 37 15 19 67 W 17 28 6508 W 48 275894 E 12/16-19 88 37 15 19 66 W 16 25 6072 W 47 249497 E 12/16-20 88 37 15 19 65 W 15 24 5637 W 46 223099 E 12/16-21 88 37 15 18 65 W 15 23 4874 W 44 188124 E 12/16-22 88 37 15 16 69 W 15 24 4111 W 43 153148 E 12/16-23 80 27 7 14 73 W 15 24 3349 W 40 118173 V 12/17-00 80 27 7 11 83 W 15 24 2535 W 37 86667 G 12/17-01 80 27 7 10 87 W 15 24 1721 W 33 55160 12/17-02 80 27 7 10 87 W 15 24 908 W 30 23654 P 12/17-03 80 27 7 11 83 W 15 24 1292 W 33 38789 P 12/17-04 80 27 7 13 76 W 16 25 1676 W 36 53925 12/17-05 80 30 9 14 73 W 16 25 2061 W 39 69060 G 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...RPK REQUESTED BY...CASEY CHEESBROUGH TYPE OF REQUEST...PRESCRIBED .TAG 20121214.OWLMT.01/BOU