FNUS75 KBOU 081349 FWSBOU SPOT FORECAST FOR GRAND LAKE BOUNDARY PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 649 AM MST MON FEB 8 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL LOW OVER NEW MEXICO WILL WEAKEN AND MOVE EASTWARD THROUGH TODAY. ANOTHER UPPER LOW WILL BE MOVING OVER EASTERN NEBRASKA WITH MODERATE NORTHWESTERLY FLOW OVER NORTHERN COLORADO. MOIST UPSLOPE WINDS WILL GENERATE LIGHT SNOW SHOWERS THROUGH THIS MORNING AND EARLY AFTERNOON. DRIER AIR WILL BEGIN MOVING INTO THE REGION LATE THIS AFTERNOON AND TONIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY UNTIL 1700...THEN PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF SNOW UNTIL 1700. MAX TEMPERATURE.....28-34. MIN HUMIDITY........38-46%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....NORTH 5-16 MPH UNTIL 1200...THEN NORTHWEST 16-20 MPH. MIXING HEIGHT.......2600-3600 FT AGL UNTIL 1100...THEN 5200-5800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1100. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MIN TEMPERATURE.....ZERO TO -8. MAX HUMIDITY........62-70%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......3400-4200 FT AGL UNTIL 2000. 500 FT AGL AFTER 2300. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1700. MAX TEMPERATURE.....26-32. MIN HUMIDITY........32-38%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN SOUTHWEST 8-13 MPH. TRANSPORT WINDS.....WEST 4-12 MPH UNTIL 1200...THEN 16-20 MPH. MIXING HEIGHT.......1200-2200 FT AGL UNTIL 1100...THEN 4200-5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. GOOD AFTER 1300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 3. HIGHS AROUND 20. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. NOT AS COLD. LOWS AROUND 6. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLOUDY. LOWS AROUND 11. HIGHS IN THE MID 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GRAND LAKE BOUNDARY PILES. +++ 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 02/08-06 94 20 15 54 NE 5 1 1779 N 3 5956 P 02/08-07 94 20 14 50 NE 5 1 2015 N 3 6867 P 02/08-08 94 20 15 49 NE 3 3 2 1 N30 2250 N 3 7777 P 02/08-09 94 20 18 52 NE 2 1 3250 N 8 28007 P 02/08-10 94 20 22 54 CALM 1 4250 NW 12 48238 F 02/08-11 69 18 26 55 CALM 1 2 1 N33 5250 NW 15 68468 G 02/08-12 69 18 27 52 NW 2 1 5443 NW 16 76664 G 02/08-13 69 18 28 47 NW 6 1 5637 NW 17 84859 G 02/08-14 69 18 28 43 NW 7 7 2 1 NW38 5830 NW 18 93055 G 02/08-15 69 18 27 42 NW 7 1 5619 NW 18 89936 G 02/08-16 69 18 26 43 NW 6 1 5408 NW 18 86816 G 02/08-17 45 0 24 45 N 5 5 2 1 N39 5198 NW 18 83697 G 02/08-18 45 0 21 47 N 5 1 4289 NW 15 61746 G 02/08-19 45 0 17 51 N 5 1 3381 NW 12 39795 P 02/08-20 45 0 14 55 N 5 5 3 1 N37 2473 NW 8 17843 P 02/08-21 45 0 10 60 N 3 1 1781 NW 7 12179 P 02/08-22 45 0 7 63 N 3 1 1088 NW 5 6515 P 02/08-23 34 0 5 66 NE 2 2 3 1 N36 396 NW 2 851 P 02/09-00 34 0 3 67 N 2 1 348 NW 2 828 P 02/09-01 34 0 2 66 NW 2 1 300 W 3 804 P 02/09-02 34 0 1 65 W 2 2 3 1 N32 253 W 3 781 P 02/09-03 34 0 -1 64 W 2 1 243 W 3 685 P 02/09-04 34 0 -2 62 W 2 1 233 W 3 589 P 02/09-05 70 0 -2 59 W 2 2 3 1 NW26 224 W 2 494 P 02/09-06 70 0 -2 67 SW 2 1 364 W 3 1075 P 02/09-07 70 0 0 68 S 2 1 519 W 3 1699 P 02/09-08 70 0 5 61 S 2 2 2 1 NW22 674 W 3 2323 P 02/09-09 70 0 10 53 S 2 1 1762 W 7 16507 P 02/09-10 70 0 15 48 S 3 1 2850 W 10 30691 P 02/09-11 66 0 20 56 SW 5 5 2 1 NW17 3938 W 13 44874 F 02/09-12 66 0 24 50 SW 6 1 4385 W 15 57557 F 02/09-13 66 0 27 42 SW 7 1 4833 W 16 70240 G 02/09-14 66 0 28 36 SW 8 8 2 1 W16 5280 W 18 82923 G 02/09-15 66 0 27 35 SW 8 1 5197 W 18 84727 G 02/09-16 66 0 25 37 SW 7 1 5114 W 20 86531 G 02/09-17 78 10 22 43 SW 7 7 2 1 W20 5031 W 21 88335 G 02/09-18 78 10 19 49 SW 7 1 3959 W 18 66025 G 02/09-19 78 10 16 57 W 8 1 2888 W 16 43715 F 02/09-20 78 10 13 65 W 8 8 2 1 W22 1817 W 14 21405 P 02/09-21 78 10 11 71 W 8 1 1322 W 13 15230 P 02/09-22 78 10 9 75 SW 8 1 827 W 12 9054 P 02/09-23 78 10 7 79 SW 8 8 2 1 W23 332 SW 10 2878 P 02/10-00 78 10 6 85 SW 8 1 310 W 9 2543 P 02/10-01 78 10 5 89 W 7 1 289 W 9 2207 P 02/10-02 78 10 4 93 W 7 7 2 1 W17 267 W 8 1871 P 02/10-03 78 10 3 96 W 7 1 269 W 8 1851 P 02/10-04 78 10 3 97 W 6 1 272 W 8 1830 P 02/10-05 84 10 3 98 W 6 6 2 1 W17 275 W 8 1810 P 02/10-06 84 10 4 100 W 6 1 417 W 8 2949 P 02/10-07 84 10 4 99 W 6 1 559 W 8 4088 P 02/10-08 84 10 7 96 SW 6 6 2 1 W24 702 W 8 5228 P 02/10-09 84 10 10 89 W 7 1 1563 W 13 21704 P 02/10-10 84 10 12 84 W 9 1 2425 W 16 38180 P 02/10-11 84 10 15 75 W 10 10 2 1 W23 3286 W 20 54656 F 02/10-12 84 10 17 64 W 12 1 3866 W 20 68149 G 02/10-13 84 10 19 54 W 13 1 4446 W 21 81641 G 02/10-14 84 10 19 49 W 13 13 2 1 W31 5026 W 22 95134 G 02/10-15 84 10 19 49 W 12 1 4627 W 21 85176 G 02/10-16 84 10 18 52 W 10 1 4228 W 21 75218 G 02/10-17 71 20 16 59 W 8 8 2 1 W33 3830 W 20 65260 G 02/10-18 71 20 14 64 W 6 1 2735 W 15 44505 F 02/10-19 71 20 12 70 NW 5 1 1640 W 10 23750 P 02/10-20 71 20 11 76 NW 3 3 2 1 W30 545 W 6 2995 P 02/10-21 71 20 9 82 N 3 1 468 W 6 2264 P 02/10-22 71 20 8 87 N 3 1 391 NW 5 1532 P 02/10-23 71 20 7 92 N 3 3 2 1 W26 314 NW 3 800 P 02/11-00 71 20 6 96 N 2 1 292 W 3 778 P 02/11-01 71 20 6 98 NW 2 1 271 W 3 756 P 02/11-02 71 20 5 100 W 2 2 2 1 NW23 249 W 3 734 P 02/11-03 71 20 5 100 W 5 1 251 W 5 1130 P 02/11-04 71 20 5 95 W 7 1 253 W 7 1526 P 02/11-05 64 0 5 89 W 8 8 2 1 NW21 255 W 9 1923 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...JAMES CHAMP REASON FOR REQUEST...PRESCRIBED .TAG 20100208.GRAND.01/BOU