FNUS75 KBOU 161318 FWSBOU SPOT FORECAST FOR TRUMBULL...USFS NATIONAL WEATHER SERVICE DENVER CO 718 AM MDT THU APR 16 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRONG STORM SYSTEM OVER THE GREAT BASIN WILL CONTINUE TO MOVE EAST TODAY AND BRING NORTHEASTERLY WINDS AND AMPLE MOISTURE. PRECIPITATION WILL MAY BEGIN AS RAIN LATE THIS MORNING BUT WILL QUICKLY CHANGE OVER TO SNOW BY THIS AFTERNOON. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON WITH SNOWFALL RATES OF 2-3 INCHES PER HOUR. SMOKE DISPERSION WILL BECOME GOOD LATE THIS MORNING AS WINDS ALOFT INCREASE AND AS PRECIPITATION BEGINS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW UNTIL 1200...THEN SNOW. SNOW HEAVY AT TIMES. MAX TEMPERATURE.....40-45. MIN HUMIDITY........40-45%. 20-FOOT WINDS.......NORTHEAST 6-13 MPH. TRANSPORT WINDS.....NORTHEAST 5-16 MPH UNTIL 1200...THEN EAST 17-24 MPH. MIXING HEIGHT.......5200-6200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW. SNOW HEAVY AT TIMES. MIN TEMPERATURE.....22-27. MAX HUMIDITY........100%. 20-FOOT WINDS.......NORTH 10-16 MPH. TRANSPORT WINDS.....NORTHEAST 12-20 MPH. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 2100. 1600-1800 FT AGL AFTER 2400. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........CLOUDY. SNOW. SNOW HEAVY AT TIMES. MAX TEMPERATURE.....26-30. MIN HUMIDITY........80-90%. 20-FOOT WINDS.......NORTH 12-19 MPH. TRANSPORT WINDS.....NORTHEAST 13-24 MPH. MIXING HEIGHT.......2000-3000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EXPERIMENTAL FIRE WEATHER TABLE FOR TRUMBULL. +++ 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 04/16-07 68 40 34 76 NW 10 1 2221 N 7 16006 P 04/16-08 68 40 34 73 NW 10 1 2841 NE 9 24695 P 04/16-09 68 40 37 65 N 10 10 2 1 S43 3461 NE 12 33384 P 04/16-10 68 40 40 57 N 12 1 3981 NE 14 49369 F 04/16-11 68 40 42 51 NE 12 1 4500 E 16 65354 G 04/16-12 68 76 44 47 NE 12 12 2 1 SE38 5020 E 18 81339 G 04/16-13 68 76 45 45 NE 12 1 5556 E 20 93965 G 04/16-14 68 76 46 43 NE 12 1 6091 E 20 106590 V 04/16-15 68 76 47 43 NE 12 12 2 1 SE45 6626 E 21 119216 V 04/16-16 68 76 46 43 NE 10 1 6151 E 22 114310 V 04/16-17 68 76 45 45 N 10 1 5677 E 22 109404 V 04/16-18 83 86 43 50 N 10 10 2 1 SE45 5202 E 23 104498 V 04/16-19 83 86 41 53 N 9 1 4575 E 18 78721 G 04/16-20 83 86 38 61 N 8 1 3948 E 14 52945 F 04/16-21 83 86 34 71 N 8 8 2 1 SE40 3321 NE 9 27169 P 04/16-22 83 86 32 80 N 7 1 2817 NE 10 24079 P 04/16-23 83 86 30 85 N 7 1 2314 N 10 20989 P 04/17-00 83 86 29 89 N 8 8 2 1 SE24 1810 N 12 17899 P 04/17-01 83 86 28 92 N 9 1 1751 N 15 22055 P 04/17-02 100 86 27 94 N 12 1 1692 N 18 26210 P 04/17-03 100 86 26 94 N 13 13 2 1 SE23 1633 N 22 30366 P 04/17-04 100 86 26 94 N 14 1 1716 N 21 30862 P 04/17-05 100 86 26 91 N 15 1 1799 N 20 31357 P 04/17-06 100 90 27 88 N 5 5 2 1 E29 1882 N 20 31852 P 04/17-07 100 90 27 86 N 7 1 1879 N 13 20847 P 04/17-08 100 90 26 92 N 9 1 1920 N 14 23190 P 04/17-09 100 90 27 89 N 12 12 2 1 E26 1960 N 15 25533 P 04/17-10 100 90 27 85 N 13 1 2129 N 18 34637 P 04/17-11 100 90 28 82 N 14 1 2297 NE 22 43741 F 04/17-12 100 90 29 80 N 16 16 2 1 E37 2466 NE 24 52844 F 04/17-13 100 90 29 78 N 16 1 2527 NE 23 51503 F 04/17-14 100 90 30 77 N 15 1 2589 NE 22 50162 F 04/17-15 100 90 30 76 N 15 15 2 1 E28 2650 NE 21 48821 F 04/17-16 100 90 30 76 N 16 1 2813 N 22 52126 F 04/17-17 100 90 30 77 N 16 1 2975 N 22 55432 F 04/17-18 100 90 29 78 N 17 17 2 1 NE17 3137 N 22 58737 F 04/17-19 100 90 29 80 N 16 1 2993 N 21 54877 F 04/17-20 100 90 28 83 N 15 1 2848 N 21 51017 F 04/17-21 100 90 28 86 N 15 15 2 1 NE22 2703 N 20 47158 F 04/17-22 100 90 27 89 N 14 1 2508 N 20 42841 F 04/17-23 100 90 27 91 N 14 1 2312 N 20 38524 P 04/18-00 100 90 26 92 N 14 14 2 1 NE26 2117 N 18 34207 P 04/18-01 100 90 26 94 N 14 1 1844 N 20 31111 P 04/18-02 100 90 26 96 N 13 1 1571 N 21 28015 P 04/18-03 100 90 26 96 N 13 13 2 1 NE35 1298 N 22 24919 P 04/18-04 100 90 26 97 N 15 1 1317 N 24 27767 P 04/18-05 100 90 26 96 N 16 1 1337 N 26 30615 P 04/18-06 100 80 26 96 N 18 18 2 1 N41 1356 N 29 33463 P 04/18-07 100 80 26 95 N 18 1 1759 N 31 49674 F 04/18-08 100 80 29 84 N 18 1 2161 N 35 65884 G 04/18-09 100 80 31 76 N 18 18 2 1 N48 2564 N 37 82094 G 04/18-10 100 80 34 68 N 20 1 3212 N 37 102559 V 04/18-11 100 80 36 61 N 21 1 3861 N 37 123024 V 04/18-12 100 80 38 57 N 22 33 2 1 N45 4510 N 37 143488 V 04/18-13 100 80 39 54 N 21 1 4721 N 36 147252 V 04/18-14 100 80 40 51 N 20 1 4933 N 36 151016 E 04/18-15 100 80 41 50 N 20 30 2 1 N46 5145 N 35 154780 E 04/18-16 100 80 41 50 N 18 1 5064 N 35 154260 E 04/18-17 100 80 40 50 N 17 1 4983 N 36 153740 E 04/18-18 80 30 38 52 N 16 16 2 1 N45 4902 N 36 153220 E 04/18-19 80 30 37 53 N 16 1 4134 N 35 126348 V 04/18-20 80 30 35 57 N 16 1 3367 N 33 99476 G 04/18-21 80 30 33 64 N 16 16 2 1 N45 2599 N 32 72604 G 04/18-22 80 30 31 67 N 14 1 2017 N 29 53814 F 04/18-23 80 30 30 71 N 13 1 1434 N 25 35024 P 04/19-00 80 30 29 73 N 12 12 2 1 N40 852 N 22 16233 P 04/19-01 80 30 28 72 N 10 1 740 N 18 12605 P 04/19-02 80 30 28 72 N 8 1 628 N 15 8978 P 04/19-03 80 30 27 69 N 7 7 2 1 N41 516 N 12 5350 P 04/19-04 80 30 27 67 N 7 1 532 N 12 5481 P 04/19-05 80 30 27 66 N 6 1 547 N 12 5612 P 04/19-06 36 0 27 64 N 6 6 2 1 N36 563 N 12 5743 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 20090416.TRUMB.01/BOU