FNUS75 KBOU 101343 FWSBOU SPOT FORECAST FOR GRAND LAKE BOUNDARY PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 643 AM MST WED FEB 10 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK UPPER LEVEL RIDGE WITH LIGHT WESTERLY FLOW ALOFT WILL CONTINUE OVER NORTHERN COLORADO FOR THE NEXT FEW DAYS. SOME LOW LEVEL MOISTURE OVER WESTERN COLORADO MAY GENERATE A FEW SNOW SHOWERS OVER GRAND COUNTY LATER THIS AFTERNOON. ADDITIONAL MOISTURE IS EXPECTED ON THURSDAY ALONG WITH MODERATE NORTHWESTERLY FLOW ALOFT WHICH MAY PRODUCE MORE LIGHT SNOW. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1100...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1700. MAX TEMPERATURE.....30-36. MIN HUMIDITY........32-38%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN WEST 9-15 MPH. TRANSPORT WINDS.....WEST 10-16 MPH. MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1100...THEN 4400-5400 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.........CLOUDY. SLIGHT CHANCE OF SNOW. MIN TEMPERATURE.....4-10. MAX HUMIDITY........84-90%. WIND (20 FT)........WEST 8-11 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000...THEN 500-1000 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....30-34. MIN HUMIDITY........34-42%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN WEST 8-13 MPH. TRANSPORT WINDS.....WEST 8-14 MPH UNTIL 1200...THEN 20-26 MPH. MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1000...THEN 5500-6500 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...1000...THEN GOOD UNTIL 1300... THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 10. HIGHS IN THE MID 30S. WEST WINDS AROUND 11 MPH WITH GUSTS TO AROUND 20 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 13. HIGHS IN THE MID 30S. WEST WINDS AROUND 8 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 14. 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 02/10-06 50 0 5 69 W 5 1 498 W 7 2916 P 02/10-07 50 0 6 66 W 3 1 674 W 7 4136 P 02/10-08 26 0 10 60 W 3 3 2 1 W26 849 W 7 5356 P 02/10-09 26 0 15 60 W 5 1 2049 W 10 26474 P 02/10-10 26 0 18 63 W 7 1 3250 W 14 47593 F 02/10-11 64 5 22 62 W 9 9 2 1 NW21 4450 W 17 68711 G 02/10-12 64 5 25 55 W 12 1 4789 W 17 71878 G 02/10-13 64 5 27 46 W 13 1 5128 W 17 75045 G 02/10-14 63 5 28 41 W 14 14 2 1 NW18 5468 W 16 78213 G 02/10-15 63 5 28 42 W 14 1 5303 W 17 77900 G 02/10-16 63 5 26 46 W 13 1 5139 W 17 77588 G 02/10-17 81 10 23 54 W 12 12 2 1 W21 4975 W 18 77275 G 02/10-18 81 10 20 60 W 10 1 3034 W 17 50323 F 02/10-19 81 10 17 65 W 8 1 1934 W 14 29225 P 02/10-20 81 10 15 69 W 7 7 2 1 NW29 834 W 12 8127 P 02/10-21 81 10 13 73 W 7 1 626 W 10 5920 P 02/10-22 81 10 11 76 W 7 1 418 W 9 3712 P 02/10-23 89 10 10 78 W 7 7 2 1 NW31 211 W 8 1504 P 02/11-00 89 10 9 81 W 7 1 206 W 8 1498 P 02/11-01 89 10 8 83 W 6 1 201 W 8 1492 P 02/11-02 89 10 7 84 SW 6 6 2 1 NW32 196 W 9 1487 P 02/11-03 89 10 7 84 SW 6 1 202 W 9 1522 P 02/11-04 89 10 6 83 SW 5 1 209 W 8 1556 P 02/11-05 89 10 7 79 SW 5 5 2 1 NW26 551 W 8 3732 P 02/11-06 64 10 7 82 W 3 1 868 W 9 7059 P 02/11-07 64 10 8 77 W 3 1 1185 W 9 10387 P 02/11-08 64 10 12 68 W 3 3 2 1 NW32 1502 W 10 13715 P 02/11-09 64 10 17 59 W 5 1 2728 W 14 42274 F 02/11-10 64 10 21 52 W 6 1 3954 W 18 70833 G 02/11-11 64 10 25 46 W 8 8 2 1 W33 5181 W 22 99393 G 02/11-12 64 10 28 42 W 9 1 5864 W 25 130115 V 02/11-13 64 10 30 39 W 10 1 6546 W 28 160837 E 02/11-14 64 10 31 39 W 12 12 2 1 W39 7229 W 30 191559 E 02/11-15 64 10 30 40 W 12 1 6662 W 30 174849 E 02/11-16 64 10 29 44 W 12 1 6095 W 30 158140 E 02/11-17 84 10 25 50 W 12 12 2 1 NW43 5527 W 30 141430 V 02/11-18 84 10 23 56 W 10 1 5351 W 28 130411 V 02/11-19 84 10 21 62 W 10 1 5174 W 26 119392 V 02/11-20 84 10 19 68 W 9 9 2 1 NW41 4997 NW 25 108373 V 02/11-21 84 10 16 74 W 8 1 4381 W 23 90952 G 02/11-22 84 10 15 78 W 8 1 3765 W 22 73530 G 02/11-23 84 10 14 82 W 8 8 2 1 NW38 3149 W 21 56109 F 02/12-00 84 10 12 82 W 8 1 2819 W 18 47201 F 02/12-01 84 10 12 80 W 9 1 2489 W 17 38293 P 02/12-02 84 10 11 79 W 9 9 2 1 NW43 2159 W 16 29385 P 02/12-03 84 10 10 78 W 9 1 2076 W 16 28828 P 02/12-04 84 10 10 78 W 9 1 1993 W 16 28271 P 02/12-05 84 10 10 78 W 9 9 2 1 NW51 1911 W 17 27714 P 02/12-06 84 10 11 81 W 9 1 2203 W 17 34109 P 02/12-07 84 10 12 81 W 9 1 2495 W 18 40503 F 02/12-08 84 10 15 76 W 9 9 2 1 NW54 2787 W 20 46898 F 02/12-09 84 10 19 69 W 10 1 3554 W 21 66587 G 02/12-10 84 10 23 64 W 12 1 4321 NW 22 86276 G 02/12-11 84 10 27 58 W 13 13 2 1 NW45 5088 NW 24 105964 V 02/12-12 84 10 29 54 W 13 1 5324 NW 24 112630 V 02/12-13 84 10 31 51 W 12 1 5561 NW 24 119296 V 02/12-14 84 10 32 49 W 12 12 2 1 NW40 5797 W 25 125961 V 02/12-15 84 10 32 50 W 12 1 5602 W 25 125607 V 02/12-16 84 10 30 52 W 12 1 5407 W 26 125252 V 02/12-17 84 10 27 60 W 12 12 2 1 NW46 5213 W 28 124897 V 02/12-18 84 10 25 65 W 12 1 4690 W 28 110904 V 02/12-19 84 10 23 69 W 13 1 4167 W 26 96910 G 02/12-20 84 10 21 72 W 13 13 2 1 NW37 3644 W 26 82917 G 02/12-21 84 10 19 76 W 13 1 3025 W 24 66507 G 02/12-22 84 10 17 79 W 14 1 2405 W 23 50097 F 02/12-23 84 10 16 80 W 14 22 2 1 NW28 1785 W 22 33688 P 02/13-00 84 10 15 79 W 14 1 1509 W 21 27441 P 02/13-01 84 10 14 77 W 13 1 1233 W 20 21195 P 02/13-02 84 10 14 74 W 13 13 2 1 NW39 957 W 18 14949 P 02/13-03 84 10 13 72 W 13 1 1158 W 20 19898 P 02/13-04 84 10 13 70 W 13 1 1360 W 21 24848 P 02/13-05 72 10 13 69 W 13 13 2 1 NW41 1561 W 22 29797 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 20100210.GRAND.01/BOU