FNUS75 KBOU 081456 FWSBOU SPOT FORECAST FOR SHADED FUELS BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 857 AM MDT WED APR 8 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...PRETTY STRONG SOUTHWESTERLY FLOW ALOFT IS EXPECTED OVER THE FORECAST AREA TODAY. AN UPPER TROUGH WILL MOVE INTO THE AREA TONIGHT CONTINUING INTO THURSDAY BRINGING MORE MOISTURE AND A CHANCE OF PRECIPITATION. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1300...THEN PARTLY CLOUDY(50-60%). ISOLATED RAIN SHOWERS AFTER 1400. MAX TEMPERATURE.....60-65. MIN HUMIDITY........14-22%. 20-FOOT WINDS.......SOUTHWEST 13-19 MPH. TRANSPORT WINDS.....SOUTHWEST 12-20 MPH UNTIL 1200...THEN 21-32 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1100. 10200-11000 FT AGL AFTER 1500. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 2400...THEN CHANCE OF SNOW. MIN TEMPERATURE.....25-32. MAX HUMIDITY........65-75%. 20-FOOT WINDS.......WEST 12-21 MPH. TRANSPORT WINDS.....WEST 25-36 MPH. MIXING HEIGHT.......10000 FT AGL UNTIL 1900. 2600-3600 FT AGL AFTER 2400. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. GOOD AFTER 2300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200...THEN CHANCE OF SNOW. MAX TEMPERATURE.....40-50. MIN HUMIDITY........35-45%. 20-FOOT WINDS.......NORTHWEST 11-20 MPH. TRANSPORT WINDS.....NORTHWEST 20-28 MPH. MIXING HEIGHT.......5000-6000 FT AGL UNTIL 1100...THEN 6600-7600 FT AGL. SMOKE DISPERSAL.....VERY GOOD UNTIL 1100...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1200 UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SHADED FUELS 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 04/08-07 7 0 32 51 W 12 1 197 W 13 2155 P 04/08-08 7 0 35 44 SW 10 1 261 W 13 2846 P 04/08-09 7 0 40 37 SW 9 9 5 1 SW29 326 SW 13 3537 P 04/08-10 23 0 46 29 SW 8 1 2218 SW 15 38212 P 04/08-11 23 0 51 25 SW 8 1 4110 SW 18 72888 G 04/08-12 23 0 55 21 SW 8 8 3 1 SW35 6002 SW 21 107564 V 04/08-13 60 0 59 19 SW 10 1 7643 SW 24 166786 E 04/08-14 60 10 61 17 S 13 1 9284 SW 26 226008 E 04/08-15 60 10 62 16 S 15 24 2 1 SW39 10925 SW 30 285231 E 04/08-16 60 10 62 16 S 16 1 10592 SW 31 281459 E 04/08-17 60 10 60 17 SW 16 1 10258 SW 31 277686 E 04/08-18 76 20 56 20 SW 16 25 2 1 SW41 9925 SW 32 273914 E 04/08-19 76 20 54 22 SW 16 1 8399 SW 30 222421 E 04/08-20 76 20 49 27 SW 16 1 6873 SW 28 170928 E 04/08-21 76 20 43 35 SW 15 24 2 1 SW40 5346 SW 25 119436 V 04/08-22 76 20 39 43 W 14 1 4565 SW 25 102222 V 04/08-23 76 20 36 48 W 13 1 3785 W 25 85008 G 04/09-00 80 30 35 53 W 13 13 2 1 SW32 3004 W 26 67794 G 04/09-01 80 30 33 56 W 14 1 2885 W 29 71531 G 04/09-02 80 30 31 58 W 16 1 2766 W 31 75268 G 04/09-03 80 30 31 58 W 17 28 2 1 SW38 2647 W 35 79004 G 04/09-04 80 30 30 58 W 18 1 3128 W 32 85474 G 04/09-05 80 30 30 55 W 18 1 3609 W 30 91943 G 04/09-06 88 20 30 53 W 18 30 2 1 W14 4090 W 28 98413 G 04/09-07 88 20 30 53 W 17 1 4478 NW 26 101975 V 04/09-08 88 20 32 52 W 16 1 4865 NW 25 105538 V 04/09-09 88 20 34 50 NW 15 23 3 1 N14 5253 NW 24 109101 V 04/09-10 88 20 37 48 NW 14 1 6600 NW 23 131917 V 04/09-11 88 20 39 47 NW 14 1 7946 NW 23 154733 E 04/09-12 86 40 41 46 NW 13 20 3 1 N14 9293 NW 22 177549 E 04/09-13 86 40 43 44 NW 13 1 8625 NW 23 172821 E 04/09-14 86 40 45 40 NW 13 1 7956 NW 24 168093 E 04/09-15 86 40 43 43 NW 13 18 3 1 NW15 7288 NW 25 163365 E 04/09-16 86 40 40 45 NW 12 1 6561 NW 26 149794 V 04/09-17 86 40 38 49 NW 12 1 5833 NW 26 136223 V 04/09-18 86 20 35 53 NW 12 12 2 1 N25 5105 NW 28 122651 V 04/09-19 86 20 32 58 NW 10 1 4382 NW 26 102299 V 04/09-20 86 20 31 61 W 9 1 3659 NW 25 81947 G 04/09-21 86 20 30 64 W 8 8 2 1 NW18 2936 NW 24 61595 G 04/09-22 86 20 29 66 W 7 1 2393 NW 21 46958 F 04/09-23 86 20 28 69 W 7 1 1850 NW 18 32320 P 04/10-00 58 0 27 71 W 6 6 2 1 W26 1306 NW 16 17682 P 04/10-01 58 0 26 75 W 6 1 1079 NW 14 13908 P 04/10-02 58 0 25 77 W 6 1 852 W 13 10134 P 04/10-03 58 0 25 78 W 6 6 2 1 NW32 625 W 12 6359 P 04/10-04 58 0 24 80 W 6 1 577 W 12 5844 P 04/10-05 58 0 24 79 W 6 1 529 W 12 5328 P 04/10-06 48 0 25 78 W 6 6 2 1 NW36 482 W 12 4812 P 04/10-07 48 0 25 76 W 6 1 1517 W 10 11453 P 04/10-08 48 0 30 64 SW 5 1 2552 NW 9 18093 P 04/10-09 48 0 34 52 SW 5 5 2 1 NW30 3587 NW 8 24734 P 04/10-10 48 0 40 41 S 3 1 5013 NW 8 35759 P 04/10-11 48 0 44 33 S 3 1 6439 W 8 46784 F 04/10-12 55 0 48 27 SE 3 3 2 1 NW18 7865 W 8 57809 F 04/10-13 55 0 51 24 SE 3 1 8482 W 9 70218 G 04/10-14 55 0 53 22 S 5 1 9099 W 10 82628 G 04/10-15 55 0 54 21 S 5 5 2 1 W16 9716 W 12 95037 G 04/10-16 55 0 54 21 S 6 1 9028 SW 13 99908 G 04/10-17 55 0 53 23 S 7 1 8339 SW 15 104780 V 04/10-18 51 0 50 25 S 7 7 2 1 SW25 7651 SW 16 109651 V 04/10-19 51 0 48 28 S 7 1 6067 SW 15 83559 G 04/10-20 51 0 44 33 S 8 1 4482 SW 14 57466 F 04/10-21 51 0 40 41 S 8 8 2 1 SW32 2898 S 13 31374 P 04/10-22 51 0 37 48 S 8 1 2340 S 14 27085 P 04/10-23 51 0 35 53 S 8 1 1782 S 16 22795 P 04/11-00 51 0 33 57 S 7 7 2 1 SW35 1224 SW 17 18506 P 04/11-01 51 0 32 61 S 6 1 973 SW 15 13546 P 04/11-02 51 0 31 64 SW 6 1 721 SW 12 8586 P 04/11-03 51 0 30 66 SW 6 6 2 1 W28 470 SW 9 3626 P 04/11-04 51 0 29 67 SW 6 1 429 SW 9 3325 P 04/11-05 51 0 30 66 SW 6 1 388 SW 9 3024 P 04/11-06 51 0 30 64 SW 6 6 2 1 S13 347 SW 9 2722 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...KRIS HEINY REASON FOR REQUEST...PRESCRIBED .TAG 20090408.SHADE.01/BOU