FNUS75 KBOU 020103 FWSBOU SPOT FORECAST FOR GREEN RIDGE PILE BURN...USFS NATIONAL WEATHER SERVICE DENVER CO 603 PM MST TUE DEC 1 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRONG UPPER TROUGH WILL SWING OVER THE STATE THROUGH THURSDAY BRINGING A CHANCE OF SNOW AND MUCH COLDER TEMPERATURES. SMOKE DISPERSAL WILL BECOME GOOD WEDNESDAY AFTERNOON THROUGH THURSDAY NIGHT AS WINDS ALOFT ARE QUITE STRONG AND AN ENERGY DISTURBANCE ROUNDING THE TROUGH REMAINS OVER THE NORTHERN COLORADO ROCKIES. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 2000...THEN SNOW LIKELY UNTIL 2400...THEN SNOW. MIN TEMPERATURE.....5. MAX HUMIDITY........100%. 20-FOOT WINDS.......WEST 8-13 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......1000-1800 FT AGL UNTIL 2000...THEN 200-600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........CLOUDY. SNOW UNTIL 1100...THEN CHANCE OF SNOW UNTIL 1700...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....16-20. MIN HUMIDITY........43%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN NORTH 8-12 MPH. TRANSPORT WINDS.....NORTHWEST 5-16 MPH. MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1000...THEN 5400-6400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0500...THEN CHANCE OF SNOW. MIN TEMPERATURE.....1-5. MAX HUMIDITY........56%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....NORTHWEST 12-16 MPH. MIXING HEIGHT.......5400-6400 FT AGL. SMOKE DISPERSAL.....GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1700...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....14. MIN HUMIDITY........40-45%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN NORTH 8-13 MPH. TRANSPORT WINDS.....NORTHWEST 9-16 MPH. MIXING HEIGHT.......7600-8600 FT AGL. SMOKE DISPERSAL.....GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 3 BELOW. HIGHS IN THE MID 20S. SOUTHWEST WINDS AROUND 9 MPH WITH GUSTS TO AROUND 25 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600... THEN CHANCE OF SNOW. LOWS AROUND 3. HIGHS IN THE LOWER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...CLOUDY. CHANCE OF SNOW. LOWS AROUND 7. HIGHS AROUND 19. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 7. HIGHS IN THE LOWER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GREEN RIDGE PILE BURN. +++ 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 12/01-17 63 10 26 46 W 10 10 3 1 W46 2049 W 14 24041 P 12/01-18 63 10 23 49 W 9 1 1455 W 12 16605 P 12/01-19 81 10 20 57 W 8 1 861 W 9 9169 P 12/01-20 81 50 16 65 W 7 7 2 1 W54 266 W 8 1733 P 12/01-21 81 70 13 74 W 7 1 276 W 8 1745 P 12/01-22 81 70 12 77 W 7 1 285 W 7 1757 P 12/01-23 100 70 12 84 W 5 5 2 1 W59 295 W 7 1769 P 12/02-00 100 80 11 81 W 6 1 353 W 8 2296 P 12/02-01 100 80 10 79 NW 7 1 411 NW 8 2824 P 12/02-02 100 80 9 91 NW 7 7 2 1 W61 470 NW 8 3352 P 12/02-03 100 80 9 98 NW 6 1 484 NW 8 3062 P 12/02-04 100 80 8 100 NW 5 1 498 NW 7 2772 P 12/02-05 87 80 8 100 N 5 5 2 1 W67 512 NW 6 2482 P 12/02-06 87 80 7 100 N 5 1 699 NW 6 3218 P 12/02-07 87 80 7 100 NE 3 1 886 NW 6 3955 P 12/02-08 87 80 7 95 NE 3 3 2 1 W63 1074 NW 6 4691 P 12/02-09 87 80 9 81 N 3 1 2624 NW 9 30923 P 12/02-10 87 80 13 61 N 3 1 4174 W 13 57156 F 12/02-11 76 40 16 49 NW 5 5 2 1 W53 5724 W 17 83388 G 12/02-12 76 40 17 46 NW 6 1 6005 W 16 82039 G 12/02-13 76 40 18 46 N 7 1 6285 W 15 80690 G 12/02-14 76 40 17 48 N 8 8 2 1 W41 6566 W 14 79341 G 12/02-15 76 40 16 50 N 8 1 6139 W 14 70836 G 12/02-16 76 40 14 54 N 7 1 5712 NW 13 62332 G 12/02-17 63 20 12 54 N 7 7 2 1 NW38 5285 NW 12 53828 F 12/02-18 63 20 10 46 N 5 1 6644 NW 15 82884 G 12/02-19 63 20 8 45 NE 3 1 6391 NW 14 78529 G 12/02-20 63 20 10 43 NE 2 2 2 1 NW40 6138 NW 14 74173 G 12/02-21 63 20 9 42 NE 2 1 6152 NW 14 70711 G 12/02-22 63 20 9 42 S 2 1 6165 NW 13 67249 G 12/02-23 63 20 8 42 S 3 3 2 1 NW39 6179 NW 13 63786 G 12/03-00 63 20 8 41 S 3 1 5937 NW 13 63511 G 12/03-01 63 20 7 42 SW 5 1 5695 W 13 63235 G 12/03-02 63 20 6 42 SW 5 5 2 1 NW41 5453 W 14 62959 G 12/03-03 63 20 6 43 SW 5 1 5328 W 15 66050 G 12/03-04 63 20 5 45 W 5 1 5203 W 15 69140 G 12/03-05 82 40 4 47 W 5 5 2 1 NW43 5077 W 16 72230 G 12/03-06 82 40 4 51 W 5 1 5160 W 16 69789 G 12/03-07 82 40 4 54 W 3 1 5243 NW 15 67347 G 12/03-08 82 40 5 55 W 3 3 2 1 NW39 5326 NW 14 64905 G 12/03-09 82 40 7 52 W 5 1 6168 NW 14 75288 G 12/03-10 82 40 10 50 NW 5 1 7010 NW 14 85670 G 12/03-11 82 40 12 49 NW 6 6 2 1 NW33 7853 NW 14 96053 G 12/03-12 82 40 13 47 NW 7 1 8252 NW 14 99963 G 12/03-13 82 40 13 46 N 7 1 8650 NW 14 103874 V 12/03-14 82 40 13 46 N 8 8 2 1 NW33 9049 NW 14 107784 V 12/03-15 82 40 13 47 N 9 1 8351 NW 13 93913 G 12/03-16 82 40 12 49 N 10 1 7653 NW 13 80042 G 12/03-17 58 20 8 58 N 12 12 2 1 NW31 6955 NW 12 66171 G 12/03-18 58 20 6 66 N 12 1 6419 NW 12 62295 G 12/03-19 58 20 4 73 N 12 1 5883 NW 12 58419 F 12/03-20 58 20 3 77 N 10 10 2 1 NW23 5348 NW 12 54543 F 12/03-21 58 20 2 82 N 8 1 5185 NW 12 50412 F 12/03-22 58 20 1 87 N 6 1 5023 NW 10 46282 F 12/03-23 58 11 1 91 N 3 3 2 1 N24 4861 NW 10 42152 F 12/04-00 58 11 0 97 NW 2 1 4251 NW 10 36623 P 12/04-01 58 11 -1 100 W 2 1 3643 NW 10 31095 P 12/04-02 58 11 -2 100 SW 2 2 2 1 N46 3034 NW 10 25567 P 12/04-03 58 11 -2 100 SW 2 1 2637 NW 9 21252 P 12/04-04 58 11 -3 100 SW 3 1 2240 W 8 16936 P 12/04-05 66 10 -4 100 SW 5 5 2 1 N40 1843 W 8 12621 P 12/04-06 66 10 -4 100 SW 5 1 1904 W 8 13402 P 12/04-07 66 10 -4 100 SW 5 1 1966 W 8 14182 P 12/04-08 66 10 0 100 SW 6 6 2 1 N43 2028 W 9 14963 P 12/04-09 66 10 7 98 SW 7 1 3083 W 12 37209 P 12/04-10 66 10 13 81 SW 9 1 4137 W 15 59455 F 12/04-11 66 10 17 69 SW 10 10 2 1 N41 5191 NW 18 81701 G 12/04-12 66 10 20 62 W 13 1 5607 NW 21 103081 V 12/04-13 66 10 22 60 W 14 1 6023 NW 24 124461 V 12/04-14 66 10 22 58 W 15 23 2 1 NW52 6438 NW 26 145840 V 12/04-15 66 10 22 59 W 14 1 5812 W 26 133811 V 12/04-16 66 10 20 61 W 13 1 5185 W 28 121783 V 12/04-17 58 10 17 69 W 10 10 2 1 N69 4559 W 28 109754 V 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...CASEY CHEESBROUGH REASON FOR REQUEST...PRESCRIBED .TAG 20091202.GREEN.01/BOU