FNUS75 KBOU 080432 FWSBOU SPOT FORECAST FOR EVERGREEN 6B...USFS NATIONAL WEATHER SERVICE DENVER CO 921 PM MST MON DEC 7 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A FAST MOVING WINTER STORM WILL MOVE ACROSS THE STATE TUESDAY MORNING. THIS WILL PRODUCE PERIODS OF SNOW ON TUESDAY...WITH THE MOST STEADY AND HEAVIEST SNOWFALL EXPECTED IN THE MORNING. THE SNOW WILL HELP SMOKE DISPERSION. TEMPERATURES WILL BE QUITE COLD THROUGH THE PERIOD. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TUESDAY... SKY/WEATHER.........CLOUDY. PERIODS OF SNOW. MAX TEMPERATURE.....13. MIN HUMIDITY........85%. 20-FOOT WINDS.......NORTHWEST 5-10 MPH. TRANSPORT WINDS.....SOUTHWEST 12-16 MPH UNTIL 1200...THEN NORTHWEST 20-28 MPH. MIXING HEIGHT.......1000-1800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY NIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 2300...THEN SLIGHT CHANCE OF SNOW UNTIL 0500. MIN TEMPERATURE.....-3. MAX HUMIDITY........100%. 20-FOOT WINDS.......BREEZY. WEST 18-28 MPH. TRANSPORT WINDS.....WEST 16-20 MPH UNTIL 2400...THEN 25-36 MPH. MIXING HEIGHT.......200-600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....20. MIN HUMIDITY........53%. 20-FOOT WINDS.......WINDY. WEST 23-38 MPH. TRANSPORT WINDS.....WEST 44-64 MPH UNTIL 1200...THEN 57-68 MPH. MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1100...THEN 3200-4200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1100. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...PARTLY CLOUDY. LOWS AROUND 8. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 17 MPH WITH GUSTS TO AROUND 40 MPH. .FRIDAY...MOSTLY CLEAR. LOWS AROUND 10. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 13 MPH. .SATURDAY...MOSTLY CLOUDY. LOWS AROUND 13. HIGHS IN THE MID 30S. WEST WINDS AROUND 12 MPH. .SUNDAY...MOSTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE MID 30S. 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 12/08-04 100 90 8 86 NW 5 1 801 S 13 9147 P 12/08-05 100 90 9 86 NW 5 5 2 1 SW59 955 S 13 10944 P 12/08-06 100 90 10 88 NW 5 1 1090 S 14 12597 P 12/08-07 100 90 10 91 NW 6 1 1224 SW 14 14249 P 12/08-08 100 90 11 94 N 6 6 3 1 SW30 1359 SW 14 15902 P 12/08-09 100 90 11 97 N 6 1 1538 W 15 19821 P 12/08-10 100 90 12 98 N 7 1 1718 W 16 23741 P 12/08-11 100 90 12 99 N 7 7 3 1 W35 1898 W 17 27660 P 12/08-12 100 90 12 97 N 7 1 1831 NW 21 32163 P 12/08-13 100 90 12 93 NW 7 1 1764 NW 24 36667 P 12/08-14 100 90 13 88 NW 7 7 2 1 W51 1697 NW 28 41170 F 12/08-15 100 90 11 89 NW 7 1 1501 NW 26 35071 P 12/08-16 100 90 9 90 NW 8 1 1304 NW 25 28972 P 12/08-17 99 40 7 90 NW 9 9 2 1 W68 1108 NW 24 22873 P 12/08-18 99 40 6 96 NW 7 1 644 NW 15 8376 P 12/08-19 99 40 4 99 W 7 1 591 W 15 7839 P 12/08-20 99 40 4 99 W 8 8 2 1 W71 539 W 16 7302 P 12/08-21 99 40 3 99 W 10 1 476 W 17 7022 P 12/08-22 99 40 3 100 W 13 1 413 W 20 6742 P 12/08-23 82 10 2 100 W 15 24 2 1 W69 350 W 21 6462 P 12/09-00 82 10 1 100 W 17 1 309 W 24 6309 P 12/09-01 82 10 1 100 W 21 1 268 W 28 6157 P 12/09-02 82 10 0 100 W 23 37 2 1 W74 227 W 30 6004 P 12/09-03 82 10 -1 100 W 24 1 239 W 32 6810 P 12/09-04 82 10 -1 100 W 25 1 250 W 35 7615 P 12/09-05 59 0 -2 100 W 26 43 2 1 W81 262 W 37 8420 P 12/09-06 59 0 -2 100 W 26 1 341 W 39 11854 P 12/09-07 59 0 -2 100 W 26 1 419 W 41 15289 P 12/09-08 59 0 0 97 W 26 43 2 1 W64 498 W 44 18723 P 12/09-09 59 0 6 78 W 28 1 1786 W 51 94197 G 12/09-10 59 0 10 66 W 30 1 3075 W 58 169671 E 12/09-11 59 0 15 59 W 31 49 2 1 W68 4364 W 64 245145 E 12/09-12 59 0 17 54 W 32 1 4103 W 63 226470 E 12/09-13 59 0 19 53 W 32 1 3843 W 62 207794 E 12/09-14 59 0 19 54 W 32 52 3 1 NW63 3582 W 61 189118 E 12/09-15 59 0 19 58 W 33 1 3400 W 62 182472 E 12/09-16 59 0 18 64 W 33 1 3217 W 63 175827 E 12/09-17 56 0 16 77 W 33 53 2 1 W62 3035 W 64 169182 E 12/09-18 56 0 14 83 W 32 1 3070 W 62 164162 E 12/09-19 56 0 13 87 W 31 1 3106 W 59 159143 E 12/09-20 56 0 13 90 W 29 46 2 1 W82 3142 W 56 154124 E 12/09-21 56 0 12 91 W 28 1 3362 W 54 158272 E 12/09-22 56 0 12 91 W 25 1 3582 W 53 162421 E 12/09-23 56 0 12 91 W 24 39 2 1 W102 3801 W 51 166569 E 12/10-00 56 0 11 92 W 24 1 3443 W 52 153124 E 12/10-01 56 0 10 92 W 24 1 3084 W 52 139679 V 12/10-02 56 0 10 92 W 24 39 2 1 W114 2725 W 53 126234 V 12/10-03 56 0 9 91 W 24 1 2502 W 52 114064 V 12/10-04 56 0 9 90 W 23 1 2278 W 52 101894 V 12/10-05 55 0 8 90 W 23 37 3 1 W99 2054 W 51 89724 G 12/10-06 55 0 8 89 W 23 1 1959 W 48 82132 G 12/10-07 55 0 8 86 W 23 1 1864 W 46 74540 G 12/10-08 55 0 10 76 W 22 35 3 1 W97 1770 W 44 66947 G 12/10-09 55 0 15 62 W 21 1 2421 W 44 92654 G 12/10-10 55 0 19 52 W 18 1 3072 W 44 118361 V 12/10-11 55 0 22 46 W 17 28 3 1 W83 3724 W 45 144068 V 12/10-12 55 0 24 43 W 17 1 4087 W 46 162330 E 12/10-13 55 0 26 41 W 17 1 4451 W 46 180592 E 12/10-14 55 0 26 43 W 16 25 2 1 W82 4815 W 47 198854 E 12/10-15 55 0 26 48 W 14 1 4450 W 45 175219 E 12/10-16 55 0 25 53 W 12 1 4085 W 43 151584 E 12/10-17 59 0 21 65 W 9 9 2 1 W79 3721 W 39 127948 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...BILL ALAKAI REASON FOR REQUEST...PRESCRIBED .TAG 20091208.EVERG.01/BOU