FNUS75 KBOU 231312 FWSBOU SPOT FORECAST FOR WALKER RANCH...USFS NATIONAL WEATHER SERVICE DENVER CO 604 AM MST THU FEB 23 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SNOW SHOWERS WILL DECREASE THIS MORNING AS AN UPPER LEVEL DISTURBANCE AND COLD FRONT MOVE AWAY FROM THE REGION. HOWEVER...THE AIRMASS IS STILL UNSTABLE ENOUGH FOR SCATTERED SNOW SHOWERS IN THE AREA THIS AFTERNOON. TEMPERATURES WILL BE MUCH COOLER WITH BREEZY CONDITIONS. THE UNSTABLE AIRMASS AND GUSTY WINDS WILL PROMOTE EXCELLENT SMOKE DISPERSION. FRIDAY WILL FEATURE DRY CONDITIONS AND MORE GOOD SMOKE DISPERSION. WINDS WILL BEGIN TO INCREASE SATURDAY IN ADVANCE OF THE NEXT UPPER LEVEL STORM SYSTEM. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1700...THEN PARTLY CLOUDY(40-50%). SNOW LIKELY UNTIL 1100...THEN CHANCE OF SNOW SHOWERS UNTIL 1700...THEN SLIGHT CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....25. MIN HUMIDITY........46%. 20-FOOT WINDS.......NORTHWEST WINDS 14-21 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....NORTHWEST 21-32 MPH. MIXING HEIGHT.......7000-8000 FT AGL UNTIL 1700...THEN 5400 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 0700...THEN VERY GOOD UNTIL 0800...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(30-40%). SLIGHT CHANCE OF SNOW SHOWERS UNTIL 2300. MIN TEMPERATURE.....11. MAX HUMIDITY........60%. 20-FOOT WINDS.......WEST WINDS 12-18 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....NORTHWEST 29-40 MPH. MIXING HEIGHT.......4000-4800 FT AGL UNTIL 2000...THEN 1600-2600 FT AGL. SMOKE DISPERSAL.....FAIR. HAINES INDEX........3 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....34. MIN HUMIDITY........32%. 20-FOOT WINDS.......WEST WINDS 10-16 MPH. TRANSPORT WINDS.....NORTHWEST 29-40 MPH UNTIL 1200...THEN WEST 20-28 MPH. MIXING HEIGHT.......2200-3200 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 1600. POOR AFTER 1700. HAINES INDEX........3 VERY LOW. FIRE WEATHER TABLE FOR WALKER 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 02/23-06 98 74 59 23 81 NW20 29 2 1 W82 2988 NW22 66782 G 02/23-07 98 74 59 23 76 NW16 24 2 1 W77 4166 NW26 107456 V 02/23-08 80 57 33 23 70 NW15 23 2 1 W69 5343 NW32 148130 V 02/23-09 80 57 33 24 65 NW15 23 2 1 NW61 5841 NW31 158772 E 02/23-10 80 57 33 24 60 NW17 25 2 1 NW52 6339 NW31 169413 E 02/23-11 78 31 10 25 56 NW18 28 2 1 NW43 6837 NW30 180054 E 02/23-12 78 31 10 25 53 NW18 29 2 1 NW37 7467 NW30 190529 E 02/23-13 78 31 10 25 50 NW18 28 3 1 NW32 8098 NW29 201003 E 02/23-14 56 31 10 25 47 NW18 28 3 1 NW30 8729 NW28 211478 E 02/23-15 56 31 10 24 47 NW17 26 3 1 NW29 7651 NW28 183349 E 02/23-16 56 31 10 23 46 NW17 25 3 1 NW30 6574 NW26 155219 E 02/23-17 47 10 2 21 47 NW16 24 3 1 NW31 5496 NW26 127090 V 02/23-18 47 10 2 20 50 NW15 23 3 1 NW32 4742 NW29 114348 V 02/23-19 47 10 2 18 52 W15 22 3 1 NW32 3987 NW30 101607 V 02/23-20 31 10 2 18 54 W14 21 3 1 NW32 3232 NW31 88866 G 02/23-21 31 10 2 17 55 W13 20 3 1 NW31 2892 NW32 80917 G 02/23-22 31 10 2 17 56 W13 20 2 1 NW30 2552 NW33 72969 G 02/23-23 22 0 0 16 59 W13 20 2 1 NW30 2212 W33 65020 G 02/24-00 22 0 0 15 59 W13 20 2 1 NW28 2127 W36 65192 G 02/24-01 22 0 0 14 60 W14 20 2 1 NW26 2041 W37 65363 G 02/24-02 22 0 0 14 59 W14 21 2 1 NW28 1956 W39 65535 G 02/24-03 22 0 0 12 60 W14 22 2 1 NW33 1746 W39 59340 F 02/24-04 22 0 0 11 59 W15 22 2 1 NW41 1537 W40 53146 F 02/24-05 13 0 0 11 58 W15 23 2 1 NW49 1327 W40 46952 F 02/24-06 13 0 0 12 58 W15 22 2 1 NW55 1642 W40 56120 F 02/24-07 13 0 0 14 52 W14 21 3 1 NW60 1958 W39 65289 G 02/24-08 13 0 0 18 47 W13 20 3 1 N64 2273 W38 74457 G 02/24-09 13 0 0 21 42 W12 17 3 1 NW67 2694 NW35 79225 G 02/24-10 13 0 0 25 39 W 9 15 3 1 NW68 3114 NW32 83993 G 02/24-11 11 0 0 28 36 W 8 13 3 1 NW68 3534 NW29 88761 G 02/24-12 11 0 0 30 34 W 8 13 3 1 NW67 3563 NW28 84536 G 02/24-13 11 0 0 32 33 W 8 13 3 1 NW64 3591 W25 80310 G 02/24-14 11 0 0 33 32 W 8 13 3 1 NW61 3620 W24 76085 G 02/24-15 11 0 0 33 33 W 7 7 3 1 NW56 3008 W22 60202 G 02/24-16 11 0 0 32 34 W 6 6 2 1 NW53 2396 W21 44320 F 02/24-17 16 0 0 30 37 W 6 6 2 1 NW48 1783 W18 28438 P 02/24-18 16 0 0 29 39 W 7 7 2 1 NW45 1390 W17 21740 P 02/24-19 16 0 0 27 42 W 8 13 2 1 NW41 996 W17 15042 P 02/24-20 16 0 0 26 44 W 9 15 2 1 NW38 602 W16 8344 P 02/24-21 16 0 0 24 46 W10 16 2 1 NW36 468 W15 6383 P 02/24-22 16 0 0 23 48 W10 17 2 1 NW35 334 W15 4421 P 02/24-23 12 0 0 23 49 W12 18 2 1 NW35 200 W14 2459 P 02/25-00 12 0 0 22 50 W13 20 2 1 NW33 183 W16 2437 P 02/25-01 12 0 0 21 50 W14 22 3 1 W33 165 W17 2415 P 02/25-02 12 0 0 21 50 W14 22 3 1 W32 148 W18 2393 P 02/25-03 12 0 0 21 51 W14 22 3 1 W31 147 W20 2427 P 02/25-04 12 0 0 21 51 W13 21 3 1 W30 146 W20 2461 P 02/25-05 19 0 0 21 52 W13 21 3 1 W29 145 W20 2495 P 02/25-06 19 0 0 21 54 W14 22 3 1 W25 170 W22 3346 P 02/25-07 19 0 0 24 51 W15 24 4 1 W22 195 W24 4198 P 02/25-08 19 0 0 28 47 W16 25 4 1 W23 220 W26 5049 P 02/25-09 19 0 0 32 42 W15 24 4 1 W31 562 W29 15482 P 02/25-10 19 0 0 36 38 W14 23 3 1 W41 903 W31 25914 P 02/25-11 40 0 0 40 34 W13 21 3 1 W53 1245 W33 36347 P 02/25-12 40 0 0 43 32 W12 20 3 1 W58 2231 W37 77488 G 02/25-13 40 0 0 45 30 W12 18 2 1 SW62 3217 W40 118628 V 02/25-14 40 0 0 46 29 W12 18 2 1 SW66 4204 W44 159769 E 02/25-15 40 0 0 45 29 W12 18 2 1 SW73 4122 W44 155478 E 02/25-16 40 0 0 44 31 W13 20 2 1 W79 4041 W43 151188 E 02/25-17 55 15 3 40 35 W13 21 2 1 W84 3959 W43 146898 V 02/25-18 55 15 3 38 38 W13 21 2 1 W84 3939 W43 143834 V 02/25-19 55 15 3 35 42 W14 22 3 1 W82 3918 W41 140769 V 02/25-20 55 15 3 32 46 W15 24 3 1 W78 3897 W40 137705 V 02/25-21 55 15 3 29 50 W16 25 3 1 W75 4595 W41 163966 E 02/25-22 55 15 3 27 52 W17 28 2 1 W71 5292 W41 190227 E 02/25-23 56 20 4 26 53 W18 30 2 1 W67 5990 W41 216487 E 02/26-00 56 20 4 24 55 W21 32 2 1 W62 5675 W43 208506 E 02/26-01 56 20 4 23 55 W22 36 2 1 W59 5360 W43 200525 E 02/26-02 56 20 4 23 55 W24 38 2 1 W59 5045 W44 192544 E 02/26-03 56 20 4 22 55 W25 40 2 1 W61 4797 W45 187105 E 02/26-04 56 20 4 22 53 W26 41 2 1 W66 4550 W46 181667 E 02/26-05 47 13 3 22 51 W26 43 2 1 W71 4303 W47 176228 E 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 REQUESTED BY...PAUL OSTROY REASON FOR REQUEST...PRESCRIBED .TAG 20120223.WALKE.02/BOU