FNUS75 KBOU 261518 FWSBOU SPOT FORECAST FOR YEGGIE SHADED FUEL BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 815 AM MST MON JAN 26 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WIDESPREAD LIGHT SNOW WITH SOME PERIODS OF HEAVIER SNOW AT TIMES THROUGH THE DAY. SNOW ACCUMULATIONS WILL BE TRICKY DEPENDING ON WHETHER A BAND PASSES OVER OR NOT...FROM ABOUT AN INCH NEW TO UP TO 3 OR 4 INCHES POSSIBLE BY LATE TODAY. LIGHT NORTHEAST SURFACE WINDS. WARMER AIR ALOFT SO SMOKE DISPERSAL POOR. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. AREAS OF FOG UNTIL 1000. SNOW LIKELY UNTIL 1700...THEN OCCASIONAL SNOW. MAX TEMPERATURE.....17. MIN HUMIDITY........70%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTHWEST 5-16 MPH. MIXING HEIGHT.......1800-2600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. OCCASIONAL SNOW UNTIL 2300...THEN SNOW LIKELY UNTIL 0500. MIN TEMPERATURE.....-3. MAX HUMIDITY........100%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTH UP TO 4 MPH UNTIL 2400...THEN WEST. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 2300...THEN 400-800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100...THEN PARTLY CLOUDY(40-50%). MAX TEMPERATURE.....26. MIN HUMIDITY........41%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN NORTHWEST 14-20 MPH WITH GUSTS TO AROUND 30 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH UNTIL 1200...THEN 17-28 MPH. MIXING HEIGHT.......2800-3800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1400. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. AREAS OF BLOWING SNOW AFTER 1800. SLIGHT CHANCE OF SNOW AFTER 1800. NOT AS COOL. LOWS AROUND 20. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 18 MPH WITH GUSTS TO AROUND 35 MPH. .THURSDAY...MOSTLY CLOUDY. AREAS OF BLOWING SNOW UNTIL 0600. SLIGHT CHANCE OF SNOW UNTIL 1800. LOWS AROUND 20. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH. .FRIDAY...PARTLY CLOUDY. NOT AS COOL. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 13 MPH WITH GUSTS TO AROUND 35 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR YEGGIE SHADED FUEL BREAK. +++ 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 01/26-08 100 70 17 71 E 5 5 2 1 W75 1849 SW 16 25078 P 01/26-09 100 70 17 74 E 5 1 1860 SW 15 23574 P 01/26-10 100 70 17 77 E 6 1 1870 SW 14 22070 P 01/26-11 100 70 17 80 E 6 6 3 1 SW61 1880 SW 13 20566 P 01/26-12 100 70 17 82 E 6 1 2144 SW 12 19874 P 01/26-13 100 70 17 82 E 6 1 2408 SW 9 19182 P 01/26-14 100 70 17 83 E 6 6 3 1 SW56 2673 SW 8 18490 P 01/26-15 100 70 16 85 E 6 1 2572 S 6 13720 P 01/26-16 100 70 15 92 E 5 1 2472 S 3 8950 P 01/26-17 100 80 11 99 E 5 5 3 1 SW38 2372 S 2 4180 P 01/26-18 100 80 9 100 E 5 1 2424 S 2 4604 P 01/26-19 100 80 7 100 E 5 1 2477 SE 2 5028 P 01/26-20 100 80 5 100 E 3 3 2 1 SW25 2529 SE 2 5452 P 01/26-21 100 80 4 100 E 3 1 1980 S 2 4053 P 01/26-22 100 80 2 100 E 2 1 1431 S 2 2654 P 01/26-23 90 60 1 100 E 2 2 3 1 W16 881 CALM 1255 P 01/27-00 90 60 0 100 E 2 1 762 CALM 1085 P 01/27-01 90 60 -1 100 CALM 1 644 CALM 915 P 01/27-02 90 60 -1 100 CALM 1 3 1 W13 525 CALM 744 P 01/27-03 90 60 -2 100 N 3 1 481 W 2 1056 P 01/27-04 90 60 -2 100 N 5 1 437 NW 3 1368 P 01/27-05 65 0 -2 100 NW 5 5 4 1 W16 394 NW 5 1680 P 01/27-06 65 0 -2 100 NW 5 1 515 NW 6 2859 P 01/27-07 65 0 0 100 NW 3 1 561 NW 7 3670 P 01/27-08 65 0 4 98 N 3 3 4 1 W18 608 NW 8 4481 P 01/27-09 65 0 10 81 N 2 1 1000 NW 10 10030 P 01/27-10 65 0 14 72 N 2 1 1393 NW 12 15579 P 01/27-11 42 0 18 64 N 3 3 4 1 NW14 1785 NW 14 21128 P 01/27-12 42 0 22 55 N 6 1 2647 NW 17 44336 F 01/27-13 42 0 24 49 NW 8 1 3509 NW 21 67543 G 01/27-14 42 0 25 45 NW 12 12 3 1 NW13 4371 NW 24 90751 G 01/27-15 42 0 25 44 NW 15 1 3820 NW 25 83981 G 01/27-16 42 0 25 43 NW 17 1 3270 NW 28 77210 G 01/27-17 49 0 24 42 W 18 28 3 1 NW30 2719 NW 30 70439 G 01/27-18 49 0 23 42 W 18 1 2230 NW 29 56423 F 01/27-19 49 0 23 41 W 18 1 1740 NW 28 42406 F 01/27-20 49 0 22 41 W 17 26 4 1 N59 1250 NW 26 28390 P 01/27-21 49 0 22 41 W 16 1 1129 NW 28 27138 P 01/27-22 49 0 21 41 W 16 1 1008 W 30 25887 P 01/27-23 49 0 21 41 W 15 15 5 1 NW35 886 W 32 24636 P 01/28-00 49 0 20 44 W 15 1 765 W 31 20938 P 01/28-01 49 0 20 46 W 16 1 645 W 31 17240 P 01/28-02 49 0 20 48 W 16 16 3 1 NW40 524 W 30 13542 P 01/28-03 49 0 20 49 W 17 1 476 W 30 12284 P 01/28-04 49 0 20 50 W 18 1 427 W 30 11027 P 01/28-05 67 0 20 51 W 18 28 3 1 N35 379 W 30 9770 P 01/28-06 67 0 20 56 W 18 1 598 W 33 18255 P 01/28-07 67 0 22 57 W 18 1 817 W 36 26740 P 01/28-08 67 0 25 55 W 18 28 3 1 NW26 1036 NW 39 35225 P 01/28-09 67 0 29 48 W 18 1 2283 NW 38 73472 G 01/28-10 67 0 33 43 NW 18 1 3530 NW 37 111719 V 01/28-11 67 0 36 39 NW 20 30 3 1 NW26 4777 NW 36 149966 V 01/28-12 67 0 39 36 NW 20 1 6971 NW 33 194474 E 01/28-13 67 0 41 34 NW 18 1 9166 NW 31 238982 E 01/28-14 67 0 42 32 NW 17 26 3 1 NW18 11360 NW 29 283490 E 01/28-15 67 0 42 32 NW 17 1 9686 NW 30 248019 E 01/28-16 67 0 40 33 W 17 1 8012 NW 31 212547 E 01/28-17 82 10 37 36 W 16 16 3 1 NW29 6337 NW 32 177076 E 01/28-18 82 10 34 40 W 17 1 5666 NW 33 163472 E 01/28-19 82 10 32 44 W 18 1 4994 NW 35 149869 V 01/28-20 82 10 30 45 W 20 30 3 1 NW36 4322 NW 37 136265 V 01/28-21 82 10 29 48 W 22 1 3948 NW 37 125331 V 01/28-22 82 10 27 52 W 23 1 3574 NW 37 114396 V 01/28-23 82 10 26 55 W 24 37 3 1 NW60 3200 NW 37 103462 V 01/29-00 82 10 25 58 W 25 1 3088 NW 36 95030 G 01/29-01 82 10 24 60 NW 26 1 2976 NW 33 86598 G 01/29-02 82 10 23 61 NW 28 41 2 1 NW58 2864 NW 31 78166 G 01/29-03 82 10 23 63 NW 28 1 2868 NW 31 76185 G 01/29-04 82 10 22 64 NW 28 1 2873 NW 30 74204 G 01/29-05 78 10 23 63 NW 26 40 2 1 N48 2877 NW 29 72223 G 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...ROCCO SNART REASON FOR REQUEST...PRESCRIBED .TAG 20090126.YEGGI.01/BOU