FNUS75 KBOU 231612 FWSBOU SPOT FORECAST FOR GREEN RIDGE PILE BURN...USFS NATIONAL WEATHER SERVICE DENVER CO 912 AM MST MON NOV 23 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE IS MOVING OVER NORTHEAST COLORADO THIS MORNING WITH SCATTERED SNOW SHOWER ACTIVITY OVER THE MOUNTAINS. THE UPPER TROUGH WILL BE MOVING OUT OF THE STATE BY THIS EVENING WITH DRIER NORTHWESTERLY FLOW ALOFT MOVING OVER THE REGION. HIGH PRESSURE AND DRY AIR AT THE SURFACE AND ALOFT WILL COVER THE STATE ON TUESDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........CLOUDY. SCATTERED SNOW SHOWERS. MAX TEMPERATURE.....25-30. MIN HUMIDITY........50-58%. 20-FOOT WINDS.......NORTHWEST 6-12 MPH. TRANSPORT WINDS.....NORTHWEST 20-28 MPH. MIXING HEIGHT.......RISING TO 6500-7000 FT AGL AFTER 1030. SMOKE DISPERSAL.....VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 2300. MIN TEMPERATURE.....8-14. MAX HUMIDITY........86-94%. 20-FOOT WINDS.......WEST 8-12 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 8-16 MPH. MIXING HEIGHT.......4000-5000 FT AGL UNTIL 2000. LESS THAN 1000 FT AGL AFTER 2300. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 2200. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0800...THEN MOSTLY SUNNY UNTIL 1700. MAX TEMPERATURE.....30-36. MIN HUMIDITY........40-48%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN SOUTHWEST 8-13 MPH UNTIL 1500...THEN UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....WEST 5-12 MPH. MIXING HEIGHT.......1800-2800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...PARTLY CLOUDY. LOWS AROUND 12. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .THANKSGIVING DAY...MOSTLY CLEAR. LOWS AROUND 16. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS AROUND 17. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND 20 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 11/23-08 84 80 15 88 NW 15 23 2 1 W40 4203 NW 24 86746 G 11/23-09 84 80 18 78 NW 15 1 5047 NW 24 104473 V 11/23-10 84 80 21 70 NW 14 1 5890 NW 24 122199 V 11/23-11 84 60 23 65 NW 14 22 2 1 NW30 6734 NW 24 139926 V 11/23-12 84 60 24 61 NW 14 1 7239 NW 23 140824 V 11/23-13 84 60 24 59 NW 15 1 7743 NW 21 141722 V 11/23-14 83 60 24 57 NW 15 23 3 1 NW28 8248 NW 20 142621 V 11/23-15 83 60 24 57 NW 15 1 7448 NW 20 128832 V 11/23-16 83 60 23 58 NW 14 1 6650 NW 20 115043 V 11/23-17 84 20 20 65 NW 13 13 2 1 NW29 5850 NW 20 101255 V 11/23-18 84 20 17 70 NW 12 1 5133 NW 18 83144 G 11/23-19 84 20 15 74 W 9 1 4415 NW 16 65034 G 11/23-20 87 20 15 74 W 8 8 2 1 N36 3697 NW 15 46923 F 11/23-21 87 20 14 75 W 7 1 3115 NW 14 36921 P 11/23-22 87 20 13 76 W 6 1 2533 W 12 26919 P 11/23-23 94 0 13 76 SW 5 5 2 1 N51 1951 W 10 16917 P 11/24-00 94 0 12 78 SW 5 1 1689 W 9 14046 P 11/24-01 94 0 12 79 SW 5 1 1427 W 9 11175 P 11/24-02 94 0 11 82 SW 6 6 2 1 N56 1165 W 8 8304 P 11/24-03 94 0 11 83 SW 6 1 1007 W 8 7294 P 11/24-04 94 0 10 86 SW 7 1 849 SW 8 6283 P 11/24-05 61 0 10 88 SW 7 7 2 1 N62 838 W 9 6688 P 11/24-06 61 0 9 89 SW 6 1 1009 W 9 7892 P 11/24-07 61 0 10 86 SW 6 1 1180 W 9 9097 P 11/24-08 22 0 13 76 SW 6 6 5 1 N48 1351 W 9 10302 P 11/24-09 22 0 18 62 SW 6 1 1707 W 9 13643 P 11/24-10 22 0 22 51 SW 7 1 2062 W 9 16983 P 11/24-11 23 0 25 46 SW 8 8 4 1 N38 2418 W 9 20323 P 11/24-12 23 0 26 43 W 8 1 2486 W 10 21187 P 11/24-13 23 0 27 42 W 8 1 2556 W 10 22051 P 11/24-14 19 0 28 42 W 7 7 3 1 N36 2625 NW 10 22916 P 11/24-15 19 0 27 44 W 7 1 2237 W 9 18217 P 11/24-16 19 0 26 47 SW 6 1 1850 W 8 13518 P 11/24-17 25 0 23 53 SW 6 6 3 1 N32 1462 W 7 8818 P 11/24-18 25 0 21 60 SW 6 1 1181 W 7 6867 P 11/24-19 25 0 19 64 SW 5 1 901 SW 6 4916 P 11/24-20 25 0 18 65 S 5 5 2 1 N23 620 SW 6 2964 P 11/24-21 25 0 17 66 S 5 1 536 SW 6 2592 P 11/24-22 25 0 16 67 S 6 1 453 SW 6 2221 P 11/24-23 58 0 16 67 S 6 6 3 1 NW21 369 SW 6 1850 P 11/25-00 58 0 15 68 S 6 1 335 SW 6 1620 P 11/25-01 58 0 14 68 S 5 1 302 SW 6 1390 P 11/25-02 58 0 14 69 S 5 5 3 1 NW25 269 SW 5 1161 P 11/25-03 58 0 13 70 S 5 1 243 SW 5 1029 P 11/25-04 58 0 13 72 S 5 1 217 S 5 898 P 11/25-05 58 0 12 76 S 5 5 2 1 NW31 191 S 5 766 P 11/25-06 58 0 12 81 S 5 1 209 SW 5 801 P 11/25-07 58 0 12 85 S 5 1 227 SW 5 835 P 11/25-08 58 0 16 80 S 5 5 2 1 NW33 246 SW 5 869 P 11/25-09 58 0 21 70 SW 5 1 765 SW 6 4632 P 11/25-10 58 0 26 61 SW 5 1 1285 W 7 8394 P 11/25-11 37 0 29 56 SW 5 5 2 1 NW32 1804 W 8 12156 P 11/25-12 37 0 31 52 W 6 1 2058 W 9 15641 P 11/25-13 37 0 31 49 W 7 1 2311 NW 9 19126 P 11/25-14 37 0 32 46 W 7 7 2 1 NW36 2565 NW 10 22611 P 11/25-15 37 0 32 44 W 7 1 2052 W 9 17137 P 11/25-16 37 0 30 45 SW 6 1 1540 W 8 11664 P 11/25-17 37 0 27 48 SW 5 5 2 1 N32 1027 W 7 6190 P 11/25-18 37 0 25 53 SW 5 1 771 W 6 4444 P 11/25-19 37 0 23 56 SW 5 1 516 SW 5 2698 P 11/25-20 37 0 22 58 S 5 5 2 1 N30 261 SW 5 952 P 11/25-21 37 0 21 58 S 5 1 234 SW 5 843 P 11/25-22 37 0 20 59 S 5 1 207 SW 5 733 P 11/25-23 37 0 20 60 S 5 5 2 1 N28 180 SW 5 623 P 11/26-00 37 0 19 62 S 5 1 170 S 5 610 P 11/26-01 37 0 18 63 S 5 1 160 S 5 596 P 11/26-02 37 0 17 65 S 5 5 3 1 NW29 151 S 5 583 P 11/26-03 37 0 17 65 S 5 1 144 S 5 530 P 11/26-04 37 0 16 66 S 5 1 138 S 5 478 P 11/26-05 24 0 16 68 S 5 5 3 1 NW25 132 S 5 426 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 $$ DANKERS...WFO BOULDER REQUESTED BY...CASEY CHEESBROUGH REASON FOR REQUEST...PRESCRIBED .TAG 20091123.GREEN.01/BOU