FNUS75 KBOU 030033 FWSBOU SPOT FORECAST FOR GRAND LAKE PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 526 PM MST WED MAR 2 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE REGION LATER TONIGHT AND THURSDAY WITH RAIN AND SNOW SHOWERS DEVELOPING BEFORE TURNING TO ALL SNOW BY THURSDAY AFTERNOON. SNOW ACCUMULATIONS UP TO 2 INCHES EXPECTED BY THURSDAY EVENING. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 2300. SLIGHT CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....22. MAX HUMIDITY........72%. 20-FOOT WINDS.......SOUTH TO SOUTHWEST WINDS 7-12 MPH. TRANSPORT WINDS.....WEST 29-40 MPH UNTIL 2400...THEN 20-24 MPH. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 2100. 1600-2000 FT AGL AFTER 2400. SMOKE DISPERSAL.....EXCELLENT UNTIL 2000. POOR AFTER 0100. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100...THEN CHANCE OF RAIN AND SNOW SHOWERS UNTIL 1500...THEN SNOW SHOWERS LIKELY. MAX TEMPERATURE.....35. MIN HUMIDITY........34%. 20-FOOT WINDS.......SOUTH TO SOUTHWEST WINDS 9-15 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 1200...THEN 7200-8200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0700...THEN FAIR UNTIL 0800...THEN GOOD UNTIL 1000...THEN VERY GOOD UNTIL 1100...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD. HAINES INDEX........2 VERY LOW. .THURSDAY NIGHT... SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY UNTIL 2400...THEN SNOW LIKELY. MIN TEMPERATURE.....19. MAX HUMIDITY........76%. 20-FOOT WINDS.......WEST WINDS 6-10 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......4800-5800 FT AGL UNTIL 2400...THEN 3200-4200 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 0200. HAINES INDEX........2 VERY LOW. .FRIDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1100...THEN CHANCE OF RAIN SHOWERS UNTIL 1700...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....41. MIN HUMIDITY........27%. 20-FOOT WINDS.......WEST WINDS 8-14 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......3200-4200 FT AGL UNTIL 1000...THEN 6600-7600 FT AGL UNTIL 1200...THEN 10200-11200 FT AGL UNTIL 1400...THEN 12000-13000 FT AGL UNTIL 1700...THEN 10200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1400. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600... THEN SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 11. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 11 MPH WITH GUSTS TO 20 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN SHOWERS AFTER 1200. LOWS AROUND 17. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH. .MONDAY...MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN AFTER 1200 UNTIL 1800. LOWS AROUND 18. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 8 MPH. .TUESDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 12. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR GRAND LAKE PILES. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE 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 03/02-17 70 20 44 32 W 15 24 2 1 W46 5734 W 41 206870 E 03/02-18 70 20 42 37 W 16 1 5255 W 40 185508 E 03/02-19 70 20 38 44 W 16 1 4776 W 39 164145 E 03/02-20 70 20 35 52 W 17 28 2 1 W29 4297 W 38 142783 V 03/02-21 70 20 32 59 W 18 1 3635 W 35 113428 V 03/02-22 70 20 30 65 W 20 1 2974 W 31 84072 G 03/02-23 70 24 28 69 W 20 31 2 1 W41 2312 W 28 54717 F 03/03-00 70 24 26 72 W 18 1 2071 W 24 45018 F 03/03-01 70 24 26 71 W 16 1 1830 W 22 35318 P 03/03-02 70 24 25 70 W 14 22 2 1 W43 1589 W 18 25618 P 03/03-03 70 24 24 67 W 12 1 1580 W 18 25843 P 03/03-04 70 24 24 63 W 8 1 1571 W 20 26068 P 03/03-05 75 22 24 59 W 7 7 2 1 W40 1561 W 20 26293 P 03/03-06 75 22 25 53 W 7 1 2178 W 21 39804 P 03/03-07 75 22 26 48 W 9 1 2796 W 22 53315 F 03/03-08 72 22 29 42 W 10 16 2 1 W41 3413 W 23 66826 G 03/03-09 72 22 33 39 W 12 1 4228 W 25 94763 G 03/03-10 72 22 36 39 W 13 1 5044 W 28 122700 V 03/03-11 71 40 39 39 W 14 22 2 1 W43 5860 W 30 150636 E 03/03-12 71 40 42 37 W 14 1 6827 W 29 171463 E 03/03-13 71 40 43 35 W 14 1 7795 W 29 192289 E 03/03-14 88 40 44 34 W 14 22 2 1 W39 8763 W 28 213115 E 03/03-15 88 40 44 34 W 13 1 8162 W 25 180982 E 03/03-16 88 40 42 36 W 12 1 7562 W 22 148849 V 03/03-17 89 57 39 39 W 10 16 2 1 W38 6962 W 20 116715 V 03/03-18 89 57 38 40 W 9 1 6376 W 18 103085 V 03/03-19 89 57 35 44 W 8 1 5789 W 17 89455 G 03/03-20 89 57 30 53 W 7 7 2 1 W33 5203 W 17 75825 G 03/03-21 90 57 29 56 W 7 1 5008 W 16 70519 G 03/03-22 90 57 31 51 W 7 1 4813 W 16 65213 G 03/03-23 90 57 27 58 W 7 7 2 1 W24 4619 W 15 59907 F 03/04-00 90 57 28 54 W 7 1 4195 W 14 51895 F 03/04-01 90 57 24 57 W 7 1 3771 W 13 43882 F 03/04-02 90 57 22 62 W 7 7 2 1 NW17 3348 W 13 35869 P 03/04-03 89 57 20 67 W 7 1 3284 W 12 33242 P 03/04-04 89 57 21 70 W 7 1 3220 W 10 30615 P 03/04-05 89 57 20 76 W 7 7 2 1 NW20 3157 W 10 27987 P 03/04-06 91 55 19 74 W 7 1 3061 W 10 27460 P 03/04-07 91 55 20 67 W 7 1 2965 W 10 26933 P 03/04-08 88 55 19 64 W 7 7 2 1 W17 2870 W 10 26406 P 03/04-09 88 55 22 57 W 8 1 4528 W 13 53217 F 03/04-10 88 55 29 42 W 10 1 6186 W 14 80027 G 03/04-11 87 33 34 35 W 12 16 2 1 W17 7843 W 16 106838 V 03/04-12 87 33 37 31 W 13 1 9728 W 16 142984 V 03/04-13 87 33 38 29 W 13 1 11612 W 17 179129 E 03/04-14 87 33 41 27 W 13 17 2 1 W23 13496 W 18 215274 E 03/04-15 87 33 41 28 W 13 1 12424 W 18 203500 E 03/04-16 87 33 39 33 W 12 1 11352 W 20 191726 E 03/04-17 80 21 37 37 NW 10 10 2 1 W24 10280 W 21 179951 E 03/04-18 80 21 32 44 W 8 1 8531 W 21 153988 E 03/04-19 80 21 28 47 W 7 1 6783 NW 22 128024 V 03/04-20 73 21 22 56 W 6 6 2 1 W17 5034 NW 23 102061 V 03/04-21 73 21 20 58 W 7 1 4696 NW 23 92280 G 03/04-22 73 21 23 50 W 8 1 4359 NW 22 82500 G 03/04-23 63 10 19 59 W 9 9 2 1 W22 4021 NW 21 72719 G 03/05-00 63 10 19 56 W 9 1 2933 NW 17 50552 F 03/05-01 63 10 15 62 W 9 1 1845 W 14 28384 P 03/05-02 56 10 12 69 W 8 8 2 1 NW20 757 W 9 6216 P 03/05-03 56 10 10 71 W 7 1 657 W 8 5023 P 03/05-04 56 10 11 66 W 6 1 556 W 8 3831 P 03/05-05 49 6 9 71 W 6 6 2 1 N24 456 W 7 2638 P 03/05-06 49 6 8 76 W 7 1 452 W 7 2714 P 03/05-07 49 6 10 76 W 8 1 447 W 7 2789 P 03/05-08 52 6 9 85 W 9 9 4 1 NW29 443 W 7 2865 P 03/05-09 52 6 13 77 W 10 1 2052 W 10 27590 P 03/05-10 52 6 25 50 W 12 1 3660 W 14 52314 F 03/05-11 52 6 32 39 W 13 17 4 1 W28 5269 W 17 77039 G 03/05-12 52 6 37 33 W 13 1 6910 W 20 125506 V 03/05-13 52 6 39 30 W 14 1 8551 W 22 173972 E 03/05-14 52 6 43 26 W 14 18 2 1 W37 10192 W 25 222438 E 03/05-15 52 6 43 25 W 13 1 9865 W 26 224645 E 03/05-16 52 6 41 27 W 13 1 9538 W 28 226852 E 03/05-17 49 13 40 29 W 13 17 2 1 W45 9211 W 29 229059 E 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/ENTREKIN REQUESTED BY...JEFF SINGER REASON FOR REQUEST...PRESCRIBED .TAG 20110303.GRAND.01/BOU