FNUS75 KBOU 010126 FWSBOU SPOT FORECAST FOR WHITE RANCH SLASH PILE...USFS NATIONAL WEATHER SERVICE DENVER CO 720 PM MDT TUE MAR 31 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STORM SYSTEM WILL DEVELOP ACROSS SOUTH CENTRAL COLORADO BY LATE WEDNESDAY WITH SNOW SHOWERS DEVELOPING IN THE MORNING HOURS...THEN BECOMING WIDESPREAD BY WEDNESDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 4 TO 8 INCHES. THE SNOW WILL END WEDNESDAY NIGHT. SNOW MAY BE HEAVY AT TIMES IN THE AFTERNOON WITH SNOWFALL RATES IN EXCESS OF ONE INCH PER HOUR. SMOKE VENTILATION WILL IMPROVE DURING THE AFTERNOON HOURS AS NORTHWEST WINDS INCREASE IN THE LOWER LEVELS OF THE ATMOSPHERE. THE NEXT STORM SYSTEM WILL SPREAD POSSIBLE SNOW ACROSS THE AREA LATE FRIDAY NIGHT AND SATURDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. MIN TEMPERATURE.....21. MAX HUMIDITY........64%. 20-FOOT WINDS.......WEST 14-24 MPH UNTIL 2400...THEN 10-16 MPH. TRANSPORT WINDS.....WEST 28-36 MPH UNTIL 2400...THEN 12-20 MPH. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 2100...THEN 200-800 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 2100. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 0900...THEN SNOW LIKELY UNTIL 1200...THEN SNOW. MAX TEMPERATURE.....30...DROPPING INTO THE MID 20S BY AFTERNOON. MIN HUMIDITY........46%. 20-FOOT WINDS.......WEST 14-22 MPH UNTIL 0900...THEN NORTHERLY 11-20 MPH. TRANSPORT WINDS.....NORTHWEST 9-20 MPH. MIXING HEIGHT.......1400-2400 FT AGL UNTIL 1200...THEN 4000-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1400...THEN FAIR. GOOD AFTER 1500. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY NIGHT... SKY/WEATHER.........CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(50-60%). SNOW LIKELY UNTIL 2400. MIN TEMPERATURE.....17. MAX HUMIDITY........100%. 20-FOOT WINDS.......NORTHWEST 11-17 MPH. TRANSPORT WINDS.....NORTHWEST 16-24 MPH UNTIL 2400...THEN 8-12 MPH. MIXING HEIGHT.......5000 FT AGL UNTIL 1900...THEN 1000-2000 FT AGL. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....39. MIN HUMIDITY........28%. 20-FOOT WINDS.......WEST 13-19 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......3400-4400 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...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 0600 UNTIL 1800...THEN CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. LOWS AROUND 30. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 0600...THEN CHANCE OF SNOW. COLDER. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600. LOWS AROUND 18. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WHITE RANCH SLASH PILE. +++ 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 03/31-19 69 17 30 33 W 23 1 2589 W 40 94885 G 03/31-20 69 17 29 38 W 18 1 1672 W 38 59112 F 03/31-21 69 17 27 44 W 15 24 3 1 W31 756 W 36 23339 P 03/31-22 69 17 25 50 W 13 1 593 W 30 17041 P 03/31-23 69 17 24 56 W 10 1 431 W 24 10743 P 04/01-00 69 17 24 60 W 9 9 4 1 W24 269 W 20 4446 P 04/01-01 69 17 23 62 W 8 1 257 W 17 3862 P 04/01-02 69 17 23 62 W 8 1 244 W 15 3278 P 04/01-03 69 17 22 62 W 9 9 4 1 W29 232 W 14 2693 P 04/01-04 69 17 22 63 W 12 1 240 W 15 3131 P 04/01-05 69 17 22 64 W 16 1 248 W 16 3569 P 04/01-06 97 41 22 63 W 22 35 3 1 W29 256 W 18 4007 P 04/01-07 97 41 22 62 W 18 1 554 W 14 5058 P 04/01-08 97 41 23 60 W 14 1 851 W 10 6109 P 04/01-09 97 66 24 56 W 12 12 3 1 W25 1148 W 7 7160 P 04/01-10 97 66 25 52 W 8 1 2071 NW 7 12475 P 04/01-11 97 66 27 51 NW 6 1 2994 NW 7 17790 P 04/01-12 98 82 28 50 NW 3 3 3 1 SW 5 3917 N 7 23106 P 04/01-13 98 82 28 49 NW 5 1 4298 NW 9 37893 P 04/01-14 98 82 29 47 N 8 1 4678 NW 13 52679 F 04/01-15 98 82 29 47 N 13 13 3 1 E10 5059 NW 15 67466 G 04/01-16 98 82 29 46 NW 15 1 5009 NW 18 79928 G 04/01-17 98 82 28 47 NW 16 1 4960 NW 22 92390 G 04/01-18 92 64 27 64 NW 15 24 3 1 NE15 4911 NW 24 104852 V 04/01-19 92 64 23 88 NW 14 1 2040 NW 23 41320 F 04/01-20 92 64 23 96 NW 14 1 1457 NW 22 28713 P 04/01-21 92 64 22 97 NW 13 20 3 1 N20 874 NW 21 16106 P 04/01-22 92 64 22 94 NW 13 1 1122 NW 18 17058 P 04/01-23 92 64 21 88 NW 12 1 1370 N 16 18009 P 04/02-00 49 5 21 83 N 12 12 2 1 NW 7 1618 N 14 18961 P 04/02-01 49 5 20 82 NW 12 1 1474 N 12 15429 P 04/02-02 49 5 20 80 NW 12 1 1330 NW 10 11898 P 04/02-03 49 5 20 76 NW 12 12 2 1 W18 1186 NW 8 8366 P 04/02-04 49 5 19 73 W 12 1 962 NW 9 7403 P 04/02-05 49 5 19 69 W 12 1 738 NW 10 6440 P 04/02-06 45 0 18 71 W 12 12 2 1 NW30 514 W 13 5477 P 04/02-07 45 0 18 69 W 12 1 1093 W 15 16857 P 04/02-08 45 0 21 60 W 12 1 1672 W 17 28237 P 04/02-09 45 0 24 52 W 12 12 2 1 NW41 2251 W 21 39616 P 04/02-10 45 0 28 45 W 12 1 3026 W 20 48538 F 04/02-11 45 0 31 40 W 12 1 3800 NW 18 57459 F 04/02-12 54 0 34 36 W 12 12 2 1 NW54 4575 NW 17 66380 G 04/02-13 54 0 36 33 W 13 1 4511 NW 17 68815 G 04/02-14 54 0 37 31 W 14 1 4448 W 18 71251 G 04/02-15 54 0 38 29 W 15 22 2 1 NW46 4384 W 20 73687 G 04/02-16 54 0 38 28 W 16 1 3984 W 21 71053 G 04/02-17 54 0 38 28 W 17 1 3584 W 22 68420 G 04/02-18 41 1 37 28 W 17 26 2 1 NW44 3184 W 24 65786 G 04/02-19 41 1 36 31 W 17 1 2531 W 23 52083 F 04/02-20 41 1 35 35 W 16 1 1877 W 23 38381 P 04/02-21 41 1 34 41 W 16 23 3 1 W47 1224 W 23 24678 P 04/02-22 41 1 33 47 W 15 1 1005 W 24 20585 P 04/02-23 41 1 32 52 W 14 1 786 W 24 16492 P 04/03-00 41 1 31 54 W 13 20 3 1 W45 567 W 25 12399 P 04/03-01 41 1 31 54 W 12 1 481 W 22 9605 P 04/03-02 41 1 31 54 W 12 1 394 W 18 6811 P 04/03-03 41 1 30 54 W 10 10 3 1 W40 308 W 15 4017 P 04/03-04 41 1 30 53 W 10 1 294 W 15 3892 P 04/03-05 41 1 30 50 W 9 1 280 W 15 3766 P 04/03-06 68 10 30 48 W 9 9 3 1 W48 266 W 16 3640 P 04/03-07 68 10 31 46 W 9 1 327 W 18 5552 P 04/03-08 68 10 33 43 W 9 1 388 W 21 7463 P 04/03-09 68 10 35 40 W 8 8 3 1 W44 449 W 24 9375 P 04/03-10 68 10 37 38 W 8 1 1030 W 22 16908 P 04/03-11 68 10 40 36 SW 8 1 1610 W 20 24441 P 04/03-12 68 10 41 35 SW 8 8 3 1 W40 2191 SW 17 31974 P 04/03-13 68 10 43 35 SW 8 1 2920 SW 17 42635 F 04/03-14 68 10 44 35 SW 8 1 3649 SW 17 53296 F 04/03-15 68 10 44 36 SW 8 8 3 1 W52 4378 SW 17 63957 G 04/03-16 68 10 44 38 SW 7 1 3137 SW 15 44536 F 04/03-17 68 10 43 41 SW 7 1 1896 SW 13 25115 P 04/03-18 61 30 42 45 SW 7 7 3 1 W52 655 SW 10 5695 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...ENTREKIN REQUESTED BY...KEITH BOL REASON FOR REQUEST...PRESCRIBED .TAG 20090401.WHITE.01/BOU