FNUS75 KBOU 021158 FWSBOU SPOT FORECAST FOR GRAND LAKE PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 458 AM MST WED MAR 2 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...EXPECT VARIABLE CLOUD COVER THROUGH THIS AFTERNOON AS MID AND HIGH LEVEL MOISTURE MOVES ACROSS IN SOUTHWEST FLOW ALOFT. THERE WILL BE A CHANCE OF RAIN AND SNOW SHOWERS AFTER 1700. WINDS THIS MORNING WILL BE UPSLOPE/UPVALLEY AND THEN BECOME SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH AFTER 0900. SMOKE DISPERSAL SHOULD BECOME GOOD AFTER 1000 IF WINDS BEGIN TO INCREASE FROM THE SOUTHWEST. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1700...THEN MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1700. MAX TEMPERATURE.....52. MIN HUMIDITY........24%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN SOUTHWEST 10-16 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH UNTIL 1200...THEN WEST 25-36 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 6400-7400 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1300. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 2300. CHANCE OF SNOW SHOWERS UNTIL 0500...THEN SLIGHT CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....22. MAX HUMIDITY........68%. 20-FOOT WINDS.......WEST WINDS 13-22 MPH UNTIL 0300...THEN 7-12 MPH. GUSTS UP TO 30 MPH UNTIL EARLY MORNING. TRANSPORT WINDS.....WEST 36-40 MPH UNTIL 2400...THEN 21-32 MPH. MIXING HEIGHT.......5400-6400 FT AGL UNTIL 2100. 1600-2600 FT AGL AFTER 0100. SMOKE DISPERSAL.....EXCELLENT UNTIL 2400. POOR AFTER 0200. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100...THEN CHANCE OF RAIN SHOWERS UNTIL 1700...THEN SNOW SHOWERS LIKELY. MAX TEMPERATURE.....45. MIN HUMIDITY........34%. 20-FOOT WINDS.......WEST WINDS 9-15 MPH. TRANSPORT WINDS.....WEST 21-32 MPH. MIXING HEIGHT.......3200-4200 FT AGL UNTIL 1100...THEN 6800-7800 FT AGL UNTIL 1400...THEN 8200-9200 FT AGL UNTIL 1700...THEN 6600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 0700...THEN GOOD UNTIL 1000...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...SNOW LIKELY UNTIL 1200...THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF SNOW. LOWS AROUND 16. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .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 10 MPH WITH GUSTS TO 20 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN SHOWERS AFTER 1200. LOWS AROUND 16. HIGHS IN THE MID 40S. WEST WINDS AROUND 11 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 03/02-04 26 0 15 56 S 3 1 154 SW 5 571 P 03/02-05 40 0 14 61 S 3 3 3 1 W36 151 SW 5 583 P 03/02-06 40 0 13 69 S 3 1 157 SW 5 600 P 03/02-07 40 0 13 73 S 3 1 162 SW 5 616 P 03/02-08 40 0 14 79 S 3 3 2 1 W26 168 SW 5 633 P 03/02-09 39 0 17 74 SW 3 1 1719 SW 12 34624 P 03/02-10 39 0 30 48 SW 5 1 3269 SW 17 68616 G 03/02-11 39 0 37 39 SW 6 6 2 1 W33 4820 W 24 102607 V 03/02-12 39 0 42 34 SW 7 1 5735 W 25 129885 V 03/02-13 50 0 50 26 SW 9 1 6651 W 26 157163 E 03/02-14 50 0 51 25 SW 10 16 2 1 W40 7567 W 28 184441 E 03/02-15 50 0 52 24 SW 12 1 7466 W 31 199555 E 03/02-16 50 0 49 27 W 14 1 7366 W 33 214669 E 03/02-17 70 27 48 28 W 15 24 2 1 W44 7265 W 37 229782 E 03/02-18 70 27 44 34 W 16 1 6560 W 37 209321 E 03/02-19 70 27 41 39 W 16 1 5855 W 37 188860 E 03/02-20 70 27 35 50 W 17 28 2 1 W51 5149 W 38 168398 E 03/02-21 70 27 34 54 W 18 1 4865 W 38 160733 E 03/02-22 70 27 37 49 W 20 1 4581 W 38 153068 E 03/02-23 70 27 33 56 W 20 31 2 1 W52 4297 W 39 145403 V 03/03-00 70 27 34 53 W 18 1 3480 W 35 109983 V 03/03-01 70 27 29 61 W 16 1 2664 W 29 74562 G 03/03-02 70 27 25 67 W 14 22 2 1 W41 1847 W 24 39142 P 03/03-03 70 27 24 68 W 12 1 1689 W 22 32190 P 03/03-04 70 27 24 63 W 8 1 1532 W 18 25239 P 03/03-05 75 22 24 59 W 7 7 2 1 W53 1374 W 15 18287 P 03/03-06 75 22 25 55 W 7 1 2320 W 18 41700 F 03/03-07 75 22 26 50 W 8 1 3266 W 21 65114 G 03/03-08 72 22 29 42 W 10 16 2 1 W51 4213 W 24 88528 G 03/03-09 72 22 33 39 W 12 1 3328 W 20 65933 G 03/03-10 72 22 36 39 W 13 1 4605 W 24 105207 V 03/03-11 71 53 39 39 W 14 22 2 1 W48 5883 W 29 144481 V 03/03-12 71 53 42 37 W 14 1 7116 W 30 184132 E 03/03-13 71 53 43 35 W 14 1 8349 W 31 223782 E 03/03-14 88 53 44 34 W 14 22 2 1 W47 9582 W 31 263433 E 03/03-15 88 53 44 34 W 13 1 8575 W 30 228139 E 03/03-16 88 53 42 36 W 12 1 7568 W 29 192846 E 03/03-17 89 57 39 39 W 10 16 2 1 W45 6562 W 28 157552 E 03/03-18 89 57 37 42 W 9 1 5695 SW 26 131944 V 03/03-19 89 57 34 47 W 8 1 4828 SW 25 106337 V 03/03-20 89 57 30 52 W 7 7 2 1 W43 3962 SW 23 80729 G 03/03-21 90 57 28 57 W 7 1 3591 SW 24 74230 G 03/03-22 90 57 26 61 W 7 1 3220 SW 24 67731 G 03/03-23 90 57 25 64 W 7 7 2 1 SW43 2849 SW 24 61232 G 03/04-00 90 57 23 64 W 7 1 2050 SW 21 42426 F 03/04-01 90 57 23 62 W 7 1 1251 SW 16 23621 P 03/04-02 90 57 22 61 W 7 7 2 1 W36 452 SW 13 4815 P 03/04-03 89 57 21 65 W 7 1 471 W 10 4110 P 03/04-04 89 57 21 68 W 7 1 490 W 8 3404 P 03/04-05 89 57 22 70 W 7 7 2 1 SW32 509 W 6 2699 P 03/04-06 91 55 22 65 W 7 1 1079 W 12 15693 P 03/04-07 91 55 23 58 W 7 1 1650 W 16 28687 P 03/04-08 88 55 26 48 W 7 7 2 1 W16 2221 NW 22 41681 F 03/04-09 88 55 30 41 W 8 1 3440 NW 22 66961 G 03/04-10 88 55 33 36 W 10 1 4659 W 23 92240 G 03/04-11 87 33 35 33 W 12 18 2 1 SW24 5878 W 23 117520 V 03/04-12 87 33 38 30 W 13 1 7500 W 24 165572 E 03/04-13 87 33 39 28 W 13 1 9122 W 26 213625 E 03/04-14 87 33 40 28 W 13 21 2 1 W24 10744 W 28 261678 E 03/04-15 87 33 39 31 W 13 1 10622 W 29 262080 E 03/04-16 87 33 37 36 W 12 1 10499 NW 29 262481 E 03/04-17 80 21 33 45 NW 10 16 2 1 W23 10377 NW 29 262883 E 03/04-18 80 21 30 48 W 8 1 03/04-19 80 21 26 52 W 7 1 03/04-20 73 21 22 56 W 6 6 1 03/04-21 73 21 19 63 W 7 1 03/04-22 73 21 16 67 W 8 1 03/04-23 63 14 15 70 W 9 15 1 03/05-00 63 14 13 73 W 9 1 03/05-01 63 14 12 72 W 9 1 03/05-02 56 14 11 72 W 8 13 1 03/05-03 56 14 10 71 W 7 1 03/05-04 56 14 10 68 W 6 1 03/05-05 49 6 11 66 W 6 6 1 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 $$ WFO BOULDER REQUESTED BY...JEFF SINGER REASON FOR REQUEST...PRESCRIBED .TAG 20110302.GRAND.01/BOU