FNUS75 KBOU 181316 FWSBOU SPOT FORECAST FOR BOBCAT RIDGE...USFS NATIONAL WEATHER SERVICE DENVER CO 558 AM MST WED FEB 18 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK DISTURBANCE WILL MOVE ACROSS THE REGION THROUGH THIS EVENING WITH A MODERATE NORTHWEST FLOW PATTERN. THERE WILL BE A CHANCE OF SNOW SHOWERS BUT NO SIGNIFICANT ACCUMLATIONS ARE ANTICIPATED. GUSTY NORTHWEST WINDS WILL CONTINUE TODAY AS WELL...WITH SMOKE DISPERSAL IMPROVING BY LATE MORNING. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100...THEN CHANCE OF SNOW UNTIL 1700. MAX TEMPERATURE.....43. MIN HUMIDITY........30%. 20-FOOT WINDS.......BREEZY. NORTHWEST 10-18 MPH GUSTS TO 25 MPH. TRANSPORT WINDS.....NORTHWEST 28-36 MPH. MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1000. 6600-7600 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. MIN TEMPERATURE.....21. MAX HUMIDITY........61%. 20-FOOT WINDS.......WEST 16-23 MPH. TRANSPORT WINDS.....WEST 29-40 MPH. MIXING HEIGHT.......3800-4800 FT AGL UNTIL 2000. 400-1200 FT AGL AFTER 2200. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1700...THEN MOSTLY SUNNY. MAX TEMPERATURE.....47. MIN HUMIDITY........24%. 20-FOOT WINDS.......WEST 12-20 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......2000-3000 FT AGL UNTIL 1100...THEN 5600-6600 FT AGL UNTIL 1400...THEN 6800-7800 FT AGL UNTIL 1700...THEN 5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1300. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 17 MPH WITH GUSTS TO AROUND 30 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR BOBCAT RIDGE. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE DIGITAL DATABASE. VALUES IN THE TABLE MAY NOT AGREE WITH INFORMATION IN THE NARRATIVE FORECAST. INFORMATION CONTAINED IN THIS TABLE SHOULD NOT BE CONSIDERED AN OFFICIAL 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 02/18-05 92 10 24 69 W 22 31 3 1 NW15 394 W 30 10359 P 02/18-06 92 10 24 68 W 22 1 631 W 32 18000 P 02/18-07 92 10 25 66 W 23 1 869 W 33 25640 P 02/18-08 92 10 28 58 W 23 32 3 1 NW10 1106 W 35 33280 P 02/18-09 92 10 31 49 W 23 1 2347 W 32 61812 G 02/18-10 92 10 34 42 W 22 1 3588 NW 30 90344 G 02/18-11 78 30 37 36 W 22 31 3 1 NW22 4829 NW 29 118876 V 02/18-12 78 30 40 33 W 22 1 6063 NW 31 165387 E 02/18-13 78 30 41 30 W 23 1 7298 NW 32 211899 E 02/18-14 78 30 42 30 W 23 32 2 1 NW24 8532 NW 35 258411 E 02/18-15 78 30 42 30 W 22 1 7622 NW 36 236207 E 02/18-16 78 30 40 32 W 21 1 6711 NW 37 214004 E 02/18-17 74 0 37 37 W 20 28 2 1 NW35 5800 NW 38 191800 E 02/18-18 74 0 35 41 W 20 1 4776 NW 38 158386 E 02/18-19 74 0 32 46 W 20 1 3752 NW 38 124972 V 02/18-20 74 0 30 51 W 20 28 2 1 NW26 2728 NW 39 91558 G 02/18-21 74 0 28 55 W 20 1 1974 W 36 65243 G 02/18-22 74 0 27 57 W 20 1 1220 W 33 38928 P 02/18-23 62 0 26 58 W 20 28 2 1 NW21 466 W 31 12614 P 02/19-00 62 0 24 60 W 20 1 433 W 30 11225 P 02/19-01 62 0 24 60 W 18 1 400 W 28 9835 P 02/19-02 62 0 23 61 W 18 25 2 1 NW17 367 W 26 8446 P 02/19-03 62 0 23 61 W 18 1 371 W 28 9004 P 02/19-04 62 0 22 61 W 20 1 376 W 29 9562 P 02/19-05 32 0 23 59 W 20 28 2 1 NW12 380 W 31 10120 P 02/19-06 32 0 23 59 W 15 1 715 W 30 18425 P 02/19-07 32 0 25 55 W 15 1 1050 W 30 26730 P 02/19-08 32 0 28 47 W 15 21 2 1 NW 8 1386 W 29 35036 P 02/19-09 32 0 33 39 W 15 1 2518 W 24 45263 F 02/19-10 32 0 36 34 W 14 1 3650 W 21 55491 F 02/19-11 37 0 40 29 W 14 20 3 1 W10 4783 W 16 65719 G 02/19-12 37 0 43 26 W 14 1 5987 W 16 84887 G 02/19-13 37 0 45 24 W 15 1 7192 W 16 104055 V 02/19-14 37 0 46 24 W 16 23 2 1 NW14 8396 W 17 123224 V 02/19-15 37 0 45 24 W 16 1 7234 W 23 130637 V 02/19-16 37 0 44 26 W 16 1 6072 W 29 138049 V 02/19-17 21 0 40 30 W 17 24 2 1 NW31 4910 W 35 145462 V 02/19-18 21 0 37 33 W 17 1 3889 W 36 118493 V 02/19-19 21 0 35 37 W 18 1 2868 W 38 91524 G 02/19-20 21 0 32 41 W 18 25 3 1 NW43 1848 W 40 64555 G 02/19-21 21 0 30 44 W 18 1 1377 W 39 47638 F 02/19-22 21 0 28 47 W 20 1 906 W 38 30721 P 02/19-23 21 0 26 48 W 20 28 3 1 NW39 436 W 37 13804 P 02/20-00 21 0 25 50 W 18 1 386 W 33 11511 P 02/20-01 21 0 24 51 W 18 1 336 W 31 9217 P 02/20-02 21 0 23 51 W 17 24 3 1 NW48 287 W 28 6923 P 02/20-03 21 0 23 52 W 17 1 295 W 29 7278 P 02/20-04 21 0 23 51 W 17 1 303 W 29 7633 P 02/20-05 21 0 23 50 W 18 25 4 1 NW63 312 W 30 7988 P 02/20-06 21 0 23 50 W 20 1 381 W 33 11402 P 02/20-07 21 0 25 47 W 21 1 451 W 37 14816 P 02/20-08 21 0 28 41 W 22 31 4 1 NW61 521 W 40 18230 P 02/20-09 21 0 33 35 W 22 1 1918 W 43 76615 G 02/20-10 21 0 36 31 W 21 1 3315 W 45 134999 V 02/20-11 34 0 40 27 W 20 28 3 1 NW63 4712 W 47 193384 E 02/20-12 34 0 43 24 W 20 1 5084 W 51 225020 E 02/20-13 34 0 45 23 W 21 1 5456 W 54 256657 E 02/20-14 34 0 46 22 W 22 31 3 1 NW66 5828 W 56 288293 E 02/20-15 34 0 45 23 W 21 1 5500 NW 55 266363 E 02/20-16 34 0 44 25 W 21 1 5172 NW 54 244433 E 02/20-17 59 0 40 29 NW 20 28 2 1 NW68 4844 NW 53 222502 E 02/20-18 59 0 37 33 NW 17 1 4611 NW 48 194356 E 02/20-19 59 0 35 37 NW 15 1 4379 NW 44 166211 E 02/20-20 59 0 32 43 NW 12 12 2 1 NW61 4146 NW 38 138065 V 02/20-21 59 0 30 48 NW 9 1 4019 NW 32 115743 V 02/20-22 59 0 28 53 NW 6 1 3892 NW 28 93421 G 02/20-23 45 0 27 56 N 2 2 2 1 NW49 3765 NW 22 71100 G 02/21-00 45 0 25 59 CALM 1 3379 NW 21 61010 G 02/21-01 45 0 24 60 E 3 1 2994 NW 20 50919 F 02/21-02 45 0 23 61 S 3 3 2 1 NW54 2608 NW 18 40829 F 02/21-03 45 0 23 61 S 3 1 2323 NW 20 39016 P 02/21-04 45 0 23 59 SW 5 1 2039 NW 22 37203 P 02/21-05 19 0 23 58 W 6 6 2 1 N66 1755 NW 23 35390 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...ENTREKIN REQUESTED BY...ANNE BAXTER REASON FOR REQUEST...WILDFIRE .TAG 20090217.BOBCA.02/BOU