FNUS75 KBOU 101537 FWSBOU SPOT FORECAST FOR C LAZY U...USFS NATIONAL WEATHER SERVICE DENVER CO 824 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 BY THIS EVENING. ADDITIONAL MOISTURE IS EXPECTED ON THURSDAY ALONG WITH MODERATE NORTHWESTERLY FLOW ALOFT WHICH MAY PRODUCE ANOTHER CHANCE OF SOME LIGHT SNOW. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. MAX TEMPERATURE.....25-31. MIN HUMIDITY........28-33%. WIND (20 FT)........SOUTHEAST 4-7 MPH UNTIL 0900...THEN WEST 6-12 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1100...THEN 4400-5400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR...GOOD AFTER 1200. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW. MIN TEMPERATURE.....0-5. MAX HUMIDITY........95-100%. WIND (20 FT)........WEST 4-10 MPH. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 2000...THEN 200-400 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 2000. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....27-32. MIN HUMIDITY........28-33%. WIND (20 FT)........WEST 6-12 MPH. TRANSPORT WINDS.....WEST 8-16 MPH UNTIL 1200...THEN 24-28 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...THEN 4800-5800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR...GOOD AFTER 1200. 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 6. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 10. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 11. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR C LAZY U. +++ 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 02/10-08 48 0 10 67 N 2 2 2 1 NW26 724 W 5 2749 P 02/10-09 48 0 15 61 N 3 1 1889 W 9 23633 P 02/10-10 48 0 19 61 W 5 1 3054 W 14 44516 F 02/10-11 48 5 23 57 W 7 7 2 1 NW25 4218 W 18 65400 G 02/10-12 77 5 26 50 W 8 1 4604 W 18 74740 G 02/10-13 77 5 28 44 W 9 1 4990 W 20 84081 G 02/10-14 77 5 29 40 W 10 10 2 1 NW25 5376 W 20 93421 G 02/10-15 77 5 29 42 W 10 1 4966 W 20 85371 G 02/10-16 77 5 26 46 W 10 1 4557 W 20 77321 G 02/10-17 77 10 22 56 W 9 9 2 1 NW25 4147 W 20 69271 G 02/10-18 83 10 19 65 W 8 1 2918 W 16 47330 F 02/10-19 83 10 16 73 W 8 1 1688 W 13 25388 P 02/10-20 83 10 13 80 W 7 7 3 1 W28 458 W 9 3447 P 02/10-21 83 10 10 88 W 7 1 391 W 8 2812 P 02/10-22 83 10 8 94 W 6 1 324 W 8 2177 P 02/10-23 91 10 7 99 W 6 6 3 1 W35 256 W 7 1542 P 02/11-00 91 10 5 100 W 6 1 246 W 6 1335 P 02/11-01 91 10 4 100 SW 5 1 235 SW 6 1129 P 02/11-02 91 10 3 100 SW 5 5 2 1 NW33 224 SW 5 923 P 02/11-03 91 10 2 100 SW 3 1 235 SW 5 856 P 02/11-04 91 10 2 100 W 3 1 245 W 3 790 P 02/11-05 91 10 2 95 W 2 2 2 1 NW28 256 W 3 723 P 02/11-06 64 10 3 98 W 2 1 469 W 3 1786 P 02/11-07 64 10 4 93 W 2 1 696 W 5 2902 P 02/11-08 64 10 8 80 W 2 2 2 1 NW32 923 W 5 4018 P 02/11-09 64 10 13 67 W 2 1 2170 W 10 29901 P 02/11-10 64 10 18 58 SW 3 1 3418 W 15 55783 F 02/11-11 64 10 22 50 SW 5 5 2 1 W33 4665 W 21 81665 G 02/11-12 64 10 26 45 W 6 1 5173 W 23 104755 V 02/11-13 64 10 28 42 W 8 1 5681 W 25 127845 V 02/11-14 64 10 29 41 W 9 9 2 1 W39 6189 W 28 150935 E 02/11-15 64 10 29 43 W 10 1 5834 W 28 141455 V 02/11-16 64 10 27 47 W 10 1 5479 W 28 131974 V 02/11-17 84 10 23 55 W 10 10 2 1 NW44 5124 W 28 122494 V 02/11-18 84 10 20 63 W 10 1 4416 W 26 101834 V 02/11-19 84 10 18 70 W 10 1 3708 W 24 81173 G 02/11-20 84 10 15 77 W 9 9 2 1 NW44 3000 W 23 60513 G 02/11-21 84 10 13 84 W 8 1 2135 W 18 41497 F 02/11-22 84 10 11 90 W 7 1 1270 W 14 22481 P 02/11-23 84 10 10 94 W 7 7 2 1 NW41 405 W 10 3465 P 02/12-00 84 10 8 95 W 8 1 405 W 10 3460 P 02/12-01 84 10 8 96 W 8 1 405 W 10 3454 P 02/12-02 84 10 7 96 W 9 9 2 1 NW46 404 W 10 3449 P 02/12-03 84 10 6 96 W 9 1 381 W 9 3109 P 02/12-04 84 10 6 96 W 8 1 358 W 9 2769 P 02/12-05 84 10 6 96 W 7 7 2 1 NW53 335 W 8 2429 P 02/12-06 84 10 6 96 W 7 1 658 W 9 6020 P 02/12-07 84 10 8 97 W 7 1 980 W 10 9612 P 02/12-08 84 10 11 91 W 7 7 2 1 NW53 1302 W 12 13203 P 02/12-09 84 10 16 82 W 8 1 2178 W 14 31235 P 02/12-10 84 10 20 75 W 10 1 3054 W 17 49268 F 02/12-11 84 10 24 69 W 12 12 2 1 NW44 3930 W 20 67300 G 02/12-12 84 10 27 63 W 12 1 4359 W 21 80082 G 02/12-13 84 10 29 60 W 12 1 4788 W 22 92864 G 02/12-14 84 10 30 58 W 12 12 2 1 NW39 5216 W 23 105647 V 02/12-15 84 10 29 59 W 12 1 4969 W 23 101312 V 02/12-16 84 10 28 63 W 12 1 4721 W 24 96978 G 02/12-17 84 10 25 73 W 12 12 2 1 NW45 4474 W 24 92644 G 02/12-18 84 10 22 78 W 12 1 3367 W 22 67561 G 02/12-19 84 10 20 83 W 13 1 2261 W 20 42478 F 02/12-20 84 10 18 87 W 13 13 2 1 NW37 1154 W 17 17395 P 02/12-21 84 10 16 91 W 13 1 908 W 16 13407 P 02/12-22 84 10 15 94 W 14 1 662 W 16 9419 P 02/12-23 84 10 14 94 W 14 22 2 1 NW29 415 W 15 5430 P 02/13-00 84 10 13 93 W 14 1 387 W 15 4920 P 02/13-01 84 10 12 90 W 13 1 358 W 14 4409 P 02/13-02 84 10 11 87 W 13 13 2 1 NW40 329 W 14 3898 P 02/13-03 84 10 11 83 W 13 1 354 W 14 4236 P 02/13-04 84 10 11 81 W 13 1 378 W 14 4574 P 02/13-05 72 10 11 79 W 13 13 2 1 NW41 402 W 14 4912 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 $$ FORECASTER...WFO BOULDER REQUESTED BY...MICHAEL ST MARTIN REASON FOR REQUEST...PRESCRIBED .TAG 20100210.CLAZY.01/BOU