FNUS75 KBOU 130338 FWSBOU SPOT FORECAST FOR EVERGREEN 6B...USFS NATIONAL WEATHER SERVICE DENVER CO 828 PM MST THU NOV 12 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD FRONT WILL DROP SOUTHWARD ACROSS THE AREA AND BACK INTO THE FOOTHILLS EARLY FRIDAY MORNING. THIS WILL USHER IN COOLER TEMPERATURES AND A CHANCE OF SNOW. DEPENDING ON THE EXACT TIMING OF THE FRONT...ENOUGH HEATING AND DESTABILIZATION OF THE AIRMASS MAY OCCUR TO ALLOW FAIR TO PERHAPS EVEN GOOD SMOKE DISPERSION. THE BEST CHANCE OF PRECIPITATION IN THE FORM OF SNOW CAN BE EXPECTED FRIDAY AFTERNOON AND EVENING...WITH AN INCH OR TWO OF ACCUMULATION POSSIBLE. ANOTHER POTENTIALLY STRONGER AND COLDER STORM MAY AFFECT THE AREA SATURDAY NIGHT INTO SUNDAY WITH ANOTHER CHANCE OF ACCUMULATING SNOWFALL. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........CLOUDY. MIN TEMPERATURE.....32. MAX HUMIDITY........64%. 20-FOOT WINDS.......SOUTHWEST 10-18 MPH. TRANSPORT WINDS.....WEST 36-44 MPH UNTIL 2400...THEN 24-32 MPH. MIXING HEIGHT.......600-1600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 2300...THEN POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1100...THEN CHANCE OF SNOW. MAX TEMPERATURE.....41-46. MIN HUMIDITY........47-51%. 20-FOOT WINDS.......VARIABLE 2-6 MPH UNTIL 1200...THEN NORTHEAST 4-7 MPH. TRANSPORT WINDS.....SOUTHWEST 8-18 MPH. MIXING HEIGHT.......2400-3400 FT AGL UNTIL 1100...THEN 4200-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1100...THEN POSSIBLY GOOD BUT ONLY IF TEMPERATURES GET INTO THE 44-46 RANGE. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW. MIN TEMPERATURE.....22. MAX HUMIDITY........87%. 20-FOOT WINDS.......EAST 7-8 MPH UNTIL 0300...THEN SOUTHWEST. TRANSPORT WINDS.....SOUTH 4-8 MPH. MIXING HEIGHT.......2800-3800 FT AGL UNTIL 2000...THEN 1400-1800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1700...THEN SNOW LIKELY. MAX TEMPERATURE.....33. MIN HUMIDITY........55%. 20-FOOT WINDS.......WEST 7-13 MPH UNTIL 1200...THEN SOUTHEAST 7-8 MPH. TRANSPORT WINDS.....SOUTHWEST 8-16 MPH. MIXING HEIGHT.......3000-4000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...SNOW LIKELY UNTIL 0600...THEN CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 19. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 19. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 12 MPH. .WEDNESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS AROUND 50. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR EVERGREEN 6B. +++ 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 11/12-21 66 4 42 42 W 14 1 1412 W 43 52885 F 11/12-22 66 4 40 46 W 14 1 1112 W 40 40035 F 11/12-23 91 10 40 48 W 14 25 2 1 SW59 812 W 38 27186 P 11/13-00 91 10 38 51 W 14 1 662 W 35 20967 P 11/13-01 91 10 38 53 W 12 1 513 W 31 14748 P 11/13-02 91 10 37 55 W 12 22 2 1 SW64 364 W 26 8529 P 11/13-03 91 10 36 58 W 12 1 374 W 24 7744 P 11/13-04 91 10 35 59 SW 11 1 384 SW 21 6959 P 11/13-05 96 21 35 61 SW 11 17 2 1 SW70 394 SW 18 6174 P 11/13-06 96 21 35 63 SW 10 1 903 SW 20 16013 P 11/13-07 96 21 35 64 SW 7 1 1412 SW 21 25852 P 11/13-08 96 21 36 64 W 6 11 2 1 SW60 1920 SW 22 35691 P 11/13-09 96 21 42 52 E 4 1 2945 SW 22 54418 F 11/13-10 96 21 44 47 NE 7 1 3970 SW 21 73146 G 11/13-11 100 40 45 47 NE 8 12 2 1 W55 4994 SW 21 91874 G 11/13-12 100 40 44 47 NE 7 1 4880 SW 21 89219 G 11/13-13 100 40 42 51 NE 5 1 4765 SW 21 86565 G 11/13-14 100 40 39 57 NE 5 5 2 1 SW44 4651 SW 21 83910 G 11/13-15 100 40 37 63 NE 5 1 4526 SW 20 77809 G 11/13-16 100 40 35 69 NE 5 1 4402 W 18 71708 G 11/13-17 100 50 39 59 E 5 5 2 1 SW51 4278 W 17 65607 G 11/13-18 100 50 34 67 NE 3 1 3749 SW 8 27293 P 11/13-19 100 50 32 70 E 5 1 2783 S 7 18087 P 11/13-20 100 50 30 67 E 5 5 2 1 W56 1818 S 6 8882 P 11/13-21 100 50 29 71 E 5 1 1802 S 7 10176 P 11/13-22 100 50 28 73 E 3 1 1786 S 7 11471 P 11/13-23 95 40 27 74 E 3 3 2 1 SW59 1771 S 8 12765 P 11/14-00 95 40 27 76 E 3 1 1682 S 8 12292 P 11/14-01 95 40 26 78 SE 2 1 1593 S 8 11818 P 11/14-02 95 40 25 79 SE 2 2 2 1 SW59 1504 S 9 11345 P 11/14-03 95 40 25 80 S 3 1 1477 S 8 10110 P 11/14-04 95 40 24 81 SW 6 1 1450 S 7 8876 P 11/14-05 95 40 23 83 W 8 8 2 1 SW35 1422 SW 6 7641 P 11/14-06 95 40 23 85 W 9 1 1656 S 7 9958 P 11/14-07 95 40 23 87 W 10 1 1889 S 7 12275 P 11/14-08 95 40 25 81 W 12 12 3 1 SW20 2123 S 8 14592 P 11/14-09 95 40 27 74 W 9 1 2652 S 10 25057 P 11/14-10 95 40 30 68 W 8 1 3181 S 13 35522 P 11/14-11 100 40 31 65 W 6 6 2 1 SW23 3710 S 14 45988 F 11/14-12 100 40 32 62 SW 5 1 3798 S 15 48389 F 11/14-13 100 40 32 59 S 3 1 3886 SW 15 50790 F 11/14-14 100 40 32 57 E 2 2 3 1 SW26 3973 SW 15 53192 F 11/14-15 100 40 32 55 E 3 1 3688 SW 13 42557 F 11/14-16 100 40 31 56 SE 5 1 3403 SW 10 31921 P 11/14-17 100 60 29 59 SE 6 6 3 1 SW25 3118 S 8 21286 P 11/14-18 100 60 27 62 SE 5 1 2709 S 7 16135 P 11/14-19 100 60 25 64 SE 3 1 2301 S 5 10983 P 11/14-20 100 60 24 64 SE 2 2 3 1 SW22 1893 S 3 5831 P 11/14-21 100 60 24 65 E 3 1 1617 SW 3 4388 P 11/14-22 100 60 23 65 E 5 1 1342 SW 2 2945 P 11/14-23 100 60 23 65 NE 5 5 3 1 SW23 1066 CALM 1502 P 11/15-00 100 60 22 65 NE 8 1 952 W 2 1838 P 11/15-01 100 60 22 66 NE 10 1 837 NW 3 2174 P 11/15-02 100 60 21 67 NE 14 22 3 1 SW23 722 N 3 2509 P 11/15-03 100 60 21 67 N 14 1 764 N 3 2409 P 11/15-04 100 60 21 69 N 14 1 806 N 3 2309 P 11/15-05 100 50 21 71 N 13 13 3 1 S13 847 NE 3 2208 P 11/15-06 100 50 20 73 NE 10 1 1224 NE 3 3443 P 11/15-07 100 50 21 73 NE 9 1 1601 E 3 4677 P 11/15-08 100 50 23 68 E 8 8 3 1 S 9 1978 E 3 5911 P 11/15-09 100 50 26 62 NE 8 1 2888 E 3 6407 P 11/15-10 100 50 29 57 NE 7 1 3798 SE 2 6902 P 11/15-11 93 50 30 56 NE 7 7 2 1 W 7 4708 SE 2 7398 P 11/15-12 93 50 31 55 NE 7 1 4768 E 2 11013 P 11/15-13 93 50 32 57 NE 7 1 4829 N 3 14628 P 11/15-14 93 50 32 58 NE 6 6 3 1 W 6 4889 NW 5 18243 P 11/15-15 93 50 32 60 NE 6 1 4235 N 6 20782 P 11/15-16 93 50 30 64 NE 6 1 3581 N 8 23321 P 11/15-17 85 20 28 72 NE 5 5 3 1 NW 7 2928 N 10 25860 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...WFO BOULDER REQUESTED BY...BILL ALAKAI REASON FOR REQUEST...PRESCRIBED .TAG 20091113.EVERG.01/BOU