FNUS75 KBOU 110006 FWSBOU SPOT FORECAST FOR RALSTON ROOST...USFS NATIONAL WEATHER SERVICE DENVER CO 500 PM MST TUE JAN 10 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE REGION LATER TONIGHT AND WEDNESDAY. THERE WILL BE SOME GUSTY WESTERLY WINDS TONIGHT AHEAD OF THE SYSTEM. SNOW WILL DEVELOP LATER TONIGHT AND CONTINUE THROUGH MUCH OF WEDNESDAY. ACCUMULATIONS OF 2 TO 3 INCHES ARE EXPECTED BEFORE CLEARING SKIES LATER WEDNESDAY NIGHT. NO SNOW IS FORECAST ON THURSDAY AS HIGH PRESSURE BUILDS OVER THE REGION. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0100...THEN MOSTLY CLOUDY. SNOW LIKELY AFTER 0500. MIN TEMPERATURE.....13. MAX HUMIDITY........89%. 20-FOOT WINDS.......BREEZY. WEST WINDS 11-20 MPH WITH GUSTS TO 40 MPH UNTIL 2400...THEN 9-15 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 28-36 MPH UNTIL 2400...THEN 17-28 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........5 MODERATE. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY UNTIL 1100...THEN SNOW UNTIL 1700...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....20. MIN HUMIDITY........51%. 20-FOOT WINDS.......NORTH WINDS 7-13 MPH UNTIL 1200...THEN NORTHEAST 5-13 MPH. TRANSPORT WINDS.....NORTHWEST 8-12 MPH UNTIL 1200...THEN 13-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 3000-4000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300. GOOD AFTER 1600. HAINES INDEX........2 VERY LOW. .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2400...THEN PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF SNOW UNTIL 0500. MIN TEMPERATURE.....4. MAX HUMIDITY........85%. 20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 7-11 MPH UNTIL 2400...THEN WEST 16-26 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....NORTHWEST 29-40 MPH. MIXING HEIGHT.......3200-4200 FT AGL UNTIL 2400. BELOW 1000 FT AGL AFTER 0500. SMOKE DISPERSAL.....GOOD UNTIL 0100. POOR AFTER 0400. HAINES INDEX........4 LOW. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....28. MIN HUMIDITY........23%. 20-FOOT WINDS.......WEST WINDS 11-21 MPH WITH GUSTS TO 35 MPH UNTIL 1500...THEN 7-11 MPH. TRANSPORT WINDS.....NORTHWEST 32-36 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 2800-3800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1300...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. LOWS AROUND 15. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 11 MPH WITH GUSTS TO 30 MPH. .SATURDAY...MOSTLY CLEAR. LOWS AROUND 17. HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH WITH GUSTS TO 20 MPH. .SUNDAY...PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH. .MARTIN LUTHER KING JR DAY...PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE MID 30S. WEST WINDS AROUND 11 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR RALSTONROOST. +++ 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 01/10-16 17 0 0 41 28 W18 30 5 1 W33 566 W31 14137 P 01/10-17 30 0 0 36 40 W23 36 5 1 W32 464 W37 14801 P 01/10-18 30 0 0 33 48 W24 39 5 1 W31 409 W36 12871 P 01/10-19 30 0 0 29 57 W24 38 5 1 W31 355 W36 10940 P 01/10-20 30 0 0 26 64 W23 36 5 1 W30 300 W35 9010 P 01/10-21 45 0 0 25 70 W22 36 5 1 W31 300 W33 8611 P 01/10-22 45 0 0 24 73 W22 35 4 1 W32 300 W31 8212 P 01/10-23 45 0 0 23 76 W20 31 4 1 W35 300 W30 7814 P 01/11-00 45 0 0 22 80 W15 24 4 1 W38 307 W26 6917 P 01/11-01 75 6 1 22 82 W10 17 3 1 W43 314 W22 6020 P 01/11-02 75 6 1 21 82 NW 7 7 3 1 W45 322 W18 5123 P 01/11-03 75 6 1 20 79 NW 6 6 3 1 W46 326 W17 4933 P 01/11-04 75 6 1 20 75 W 6 6 2 1 W45 330 W16 4743 P 01/11-05 96 67 48 19 73 W 7 7 2 1 W44 335 W16 4553 P 01/11-06 96 67 48 17 77 NW 7 7 2 1 W44 358 NW13 4005 P 01/11-07 96 67 48 15 84 NW 8 8 2 1 W45 381 NW10 3458 P 01/11-08 96 67 48 14 89 NW 8 13 2 1 W46 403 NW 8 2910 P 01/11-09 96 67 48 14 90 N 8 14 2 1 W49 1123 NW 9 9644 P 01/11-10 96 67 48 14 88 N 9 15 2 1 W54 1843 NW 9 16379 P 01/11-11 93 92 87 15 86 N 9 15 2 1 NW59 2562 NW10 23113 P 01/11-12 93 92 87 15 84 NE 9 14 2 1 NW61 2886 NW13 33850 P 01/11-13 93 92 87 16 81 NE 8 13 2 1 NW63 3209 NW15 44587 F 01/11-14 76 92 87 16 79 NE 7 7 2 1 NW67 3533 NW18 55325 F 01/11-15 76 92 87 15 82 NE 5 5 2 1 NW73 3658 NW20 64374 G 01/11-16 76 92 87 13 85 NE 3 3 2 1 NW78 3782 NW22 73423 G 01/11-17 52 19 4 12 83 NE 2 2 2 1 NW83 3907 NW24 82473 G 01/11-18 52 19 4 11 74 NE 3 3 2 1 NW86 3999 NW26 91192 G 01/11-19 52 19 4 10 63 NW 6 6 2 1 NW87 4091 NW28 99912 G 01/11-20 52 19 4 9 51 W 8 13 2 1 N89 4183 NW30 108632 V 01/11-21 52 19 4 8 47 W 8 14 3 1 NW85 3438 NW32 96053 G 01/11-22 52 19 4 7 44 W 9 14 4 1 NW83 3204 NW33 93854 G 01/11-23 39 10 2 7 42 W10 16 4 1 NW81 2971 NW36 91655 G 01/12-00 39 10 2 6 40 W15 24 4 1 N77 2492 NW37 77997 G 01/12-01 39 10 2 5 39 W21 32 4 1 N75 2014 NW37 64338 G 01/12-02 39 10 2 5 39 W24 39 4 1 N71 1535 NW38 50679 F 01/12-03 39 10 2 4 39 W24 39 4 1 N68 1310 NW38 43636 F 01/12-04 39 10 2 4 40 W23 36 4 1 NW64 1084 NW39 36593 P 01/12-05 24 4 1 4 41 W21 33 4 1 NW61 858 NW39 29549 P 01/12-06 24 4 1 4 43 W21 33 4 1 NW58 838 NW38 27875 P 01/12-07 24 4 1 4 44 W21 33 3 1 NW55 817 NW37 26201 P 01/12-08 24 4 1 6 44 W21 33 3 1 NW54 796 NW36 24526 P 01/12-09 24 4 1 10 38 W20 31 3 1 NW54 1286 NW35 38294 P 01/12-10 24 4 1 16 31 W17 28 2 1 NW55 1777 NW35 52062 F 01/12-11 24 4 1 22 26 W15 24 2 1 NW56 2267 NW33 65830 G 01/12-12 24 4 1 25 24 W13 21 2 1 NW58 3004 NW33 87166 G 01/12-13 24 4 1 27 23 NW10 17 2 1 N59 3741 NW33 108503 V 01/12-14 24 4 1 27 24 NW 9 15 2 1 N56 4479 NW33 129839 V 01/12-15 24 4 1 25 26 NW 8 14 2 1 N51 3831 NW32 109730 V 01/12-16 24 4 1 21 30 W 9 14 2 1 N43 3183 NW32 89620 G 01/12-17 22 3 1 18 35 W 9 15 2 1 N36 2535 NW31 69511 G 01/12-18 22 3 1 16 38 W10 16 2 1 NW30 2217 NW29 57094 F 01/12-19 22 3 1 15 39 W10 17 2 1 NW25 1899 NW26 44678 F 01/12-20 22 3 1 15 39 W12 18 2 1 NW24 1582 NW23 32261 P 01/12-21 22 3 1 16 35 W13 20 2 1 NW25 2004 NW23 38871 P 01/12-22 22 3 1 18 31 W13 21 2 1 NW30 2426 NW22 45480 F 01/12-23 20 3 1 19 29 W14 22 2 1 NW33 2848 NW21 52090 F 01/13-00 20 3 1 19 31 W14 22 2 1 NW32 2620 NW22 48535 F 01/13-01 20 3 1 19 36 W14 22 2 1 NW32 2392 NW22 44979 F 01/13-02 20 3 1 18 41 W14 22 2 1 NW33 2164 NW22 41424 F 01/13-03 20 3 1 16 44 W15 24 2 1 NW38 1957 NW24 40735 F 01/13-04 20 3 1 15 47 W17 26 2 1 N46 1750 NW26 40046 F 01/13-05 23 4 1 14 50 W17 28 2 1 N53 1543 NW30 39357 P 01/13-06 23 4 1 13 55 W15 25 2 1 N59 1413 NW28 34579 P 01/13-07 23 4 1 13 59 W13 21 3 1 N63 1284 NW26 29801 P 01/13-08 23 4 1 15 61 W10 16 3 1 N64 1154 NW25 25023 P 01/13-09 23 4 1 19 55 W 9 15 3 1 N61 2080 NW24 42871 F 01/13-10 23 4 1 24 47 W 8 14 2 1 N55 3005 NW24 60720 G 01/13-11 25 5 1 29 41 W 8 13 2 1 N49 3930 NW23 78569 G 01/13-12 25 5 1 32 38 W 8 13 2 1 N47 4378 NW26 103216 V 01/13-13 25 5 1 33 37 W 8 8 2 1 N46 4825 NW30 127863 V 01/13-14 25 5 1 33 36 W 8 13 2 1 N46 5272 NW33 152511 E 01/13-15 25 5 1 32 36 W 9 15 2 1 N47 4428 NW38 137963 V 01/13-16 25 5 1 30 37 W10 17 2 1 N49 3584 NW41 123416 V 01/13-17 28 4 1 27 39 W12 18 2 1 N53 2740 NW46 108869 V 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 $$ FORECASTER...WFO BOULDER/SWE REQUESTED BY...KEVIN MICHALAK REASON FOR REQUEST...PRESCRIBED .TAG 20120111.RALST.01/BOU