FNUS75 KBOU 040202 FWSBOU SPOT FORECAST FOR EVERGREEN 6B...USFS NATIONAL WEATHER SERVICE DENVER CO 701 PM MST THU DEC 3 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...NORTHERLY FLOW ALOFT WILL TURN MORE NORTHWESTERLY AND INCREASE ON FRIDAY. THIS ALONG WITH A TROUGH OF LOW PRESSURE DEVELOPING ALONG THE FRONT RANGE OF THE ROCKIES SHOULD BRING INCREASING WESTERLY SURFACE WINDS TO THE BURN SITE. THIS WILL ALLOW FOR BETTER SMOKE DISPERSION ON FRIDAY. ANOTHER COLD FRONT IS EXPECTED TO BACK INTO THE AREA BY SATURDAY AFTERNOON WITH COLDER TEMPERATURES AND SNOW DEVELOPING SATURDAY NIGHT AND CONTINUING THROUGH TUESDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....28-30 MIN HUMIDITY........25-29%. 20-FOOT WINDS.......WEST 10-18 MPH WITH GUSTS TO 28 MPH. TRANSPORT WINDS.....NORTHWEST 20-28 MPH. MIXING HEIGHT.......1600-2600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1500...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MIN TEMPERATURE.....10. MAX HUMIDITY........57%. 20-FOOT WINDS.......BREEZY. WEST 12-22 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......200-600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....31. MIN HUMIDITY........26%. 20-FOOT WINDS.......BREEZY. WEST 12-24 MPH UNTIL 1200...THEN 4-10 MPH. TRANSPORT WINDS.....WEST 28-36 MPH UNTIL 1200...THEN 16-24 MPH. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 1400...THEN 3200-4200 FT AGL UNTIL 1600...THEN 600-1600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1300...THEN GOOD UNTIL 1500...THEN FAIR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...SLIGHT CHANCE OF SNOW UNTIL 0600...THEN SNOW LIKELY UNTIL 1800...THEN CHANCE OF SNOW. COLDER. LOWS AROUND 11. HIGHS AROUND 19. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...CLOUDY. CHANCE OF SNOW. LOWS AROUND 7. HIGHS AROUND 20. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 5. HIGHS IN THE LOWER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. NOT AS COLD. LOWS AROUND 9. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 30 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 12/04-04 46 0 0 52 W 10 1 273 W 15 3394 P 12/04-05 18 0 0 54 W 11 20 2 1 N45 209 W 17 3111 P 12/04-06 18 0 -1 60 W 12 1 225 W 17 3470 P 12/04-07 18 0 0 63 W 12 1 240 W 18 3828 P 12/04-08 18 0 3 61 W 12 20 3 1 N54 256 W 18 4187 P 12/04-09 18 0 12 47 W 12 1 1159 W 21 24373 P 12/04-10 18 0 17 41 W 14 1 2063 NW 23 44560 F 12/04-11 52 0 22 37 W 14 22 3 1 N60 2966 NW 25 64746 G 12/04-12 52 0 24 33 W 14 1 3045 NW 25 66895 G 12/04-13 52 0 26 31 W 14 1 3123 NW 25 69043 G 12/04-14 52 0 26 30 W 14 24 4 1 N61 3202 NW 25 71191 G 12/04-15 52 0 26 29 W 15 1 2538 NW 28 58277 F 12/04-16 52 0 25 29 W 15 1 1875 NW 29 45362 F 12/04-17 35 0 22 31 NW 15 28 4 1 NW55 1211 NW 31 32448 P 12/04-18 35 0 20 45 W 15 1 628 NW 29 16222 P 12/04-19 35 0 18 46 W 15 1 427 NW 26 10529 P 12/04-20 35 0 18 45 W 15 31 3 1 NW45 225 W 25 4837 P 12/04-21 35 0 14 47 W 14 1 199 W 24 4285 P 12/04-22 35 0 14 48 W 14 1 174 W 24 3733 P 12/04-23 35 0 13 50 W 14 31 4 1 NW39 148 W 24 3181 P 12/05-00 35 0 13 51 W 14 1 137 W 24 2852 P 12/05-01 35 0 12 50 W 14 1 125 W 23 2523 P 12/05-02 35 0 11 52 W 17 32 3 1 NW44 114 W 22 2194 P 12/05-03 35 0 12 51 W 16 1 113 W 24 2325 P 12/05-04 35 0 11 52 W 16 1 112 W 25 2456 P 12/05-05 56 0 11 55 W 16 32 5 1 NW37 112 W 26 2587 P 12/05-06 56 0 10 56 W 16 1 125 W 28 3038 P 12/05-07 56 0 10 57 W 16 1 138 W 29 3488 P 12/05-08 56 0 14 50 W 16 32 4 1 W31 152 W 30 3939 P 12/05-09 56 0 21 37 W 15 1 450 W 32 13448 P 12/05-10 56 0 26 30 W 15 1 747 W 33 22957 P 12/05-11 56 0 28 29 W 14 24 5 1 W41 1045 W 36 32467 P 12/05-12 56 0 27 31 W 13 1 2110 W 33 55754 F 12/05-13 56 0 31 26 W 9 1 3176 W 30 79041 G 12/05-14 56 0 31 28 NW 7 7 2 1 W45 4241 W 28 102328 V 12/05-15 56 0 30 31 W 6 1 2947 W 21 68978 G 12/05-16 56 0 25 39 W 5 1 1653 W 14 35628 P 12/05-17 91 9 21 48 W 5 5 2 1 W61 359 W 7 2277 P 12/05-18 91 9 19 54 W 5 1 354 W 8 2329 P 12/05-19 91 9 17 58 W 6 1 350 W 8 2381 P 12/05-20 91 9 17 59 W 6 6 2 1 W64 346 W 8 2433 P 12/05-21 91 9 16 63 W 7 1 599 SW 8 3680 P 12/05-22 91 9 16 67 W 7 1 852 SW 7 4927 P 12/05-23 91 20 15 70 W 7 7 2 1 W62 1105 SW 7 6175 P 12/06-00 91 20 14 67 W 5 1 1358 SW 7 7890 P 12/06-01 91 20 14 60 SW 2 1 1610 SW 7 9605 P 12/06-02 91 20 13 57 CALM 1 2 1 SW68 1863 SW 7 11320 P 12/06-03 91 20 13 55 CALM 1 1915 SW 8 12769 P 12/06-04 91 20 13 55 CALM 1 1966 SW 8 14218 P 12/06-05 96 59 12 57 CALM 1 2 1 W68 2018 SW 9 15667 P 12/06-06 96 59 12 58 CALM 1 2380 SW 8 16490 P 12/06-07 96 59 12 58 CALM 1 2741 W 7 17312 P 12/06-08 96 59 13 56 E 2 2 2 1 W54 3102 W 7 18134 P 12/06-09 96 59 15 52 E 5 1 3698 W 7 24025 P 12/06-10 96 59 17 51 NE 6 1 4294 SW 8 29915 P 12/06-11 96 59 17 52 NE 8 8 2 1 W53 4890 SW 8 35805 P 12/06-12 96 59 17 55 NE 9 1 4968 SW 8 35193 P 12/06-13 96 59 19 55 NE 9 1 5046 SW 8 34582 P 12/06-14 96 59 19 58 NE 9 9 2 1 W51 5123 SW 8 33970 P 12/06-15 96 59 18 65 E 8 1 4763 SW 9 36629 P 12/06-16 96 59 15 79 E 6 1 4403 SW 10 39289 P 12/06-17 96 54 13 97 E 5 5 2 W56 4043 SW 12 41949 F 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 20091204.EVERG.01/BOU