FNUS75 KBOU 200257 FWSBOU SPOT FORECAST FOR WHITE RANCH UNIT 12...USFS NATIONAL WEATHER SERVICE DENVER CO 849 PM MDT MON APR 19 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK NORTHWESTERLY FLOW ALOFT WILL BE OVER THE REGION ON TUESDAY. A WEAK COLD FRONT WILL BE DROPPING INTO NORTHEAST COLORADO AROUND MIDDAY TUESDAY. THIS WILL BRING A SHIFT TO NORTH TO NORTHEAST WINDS WITH SLIGHT COOLING AND MOISTENING IN MOST AREAS. THERE WILL ALSO BE A BETTER CHANCE OF THUNDERSTORMS ALONG TUESDAY AFTERNOON AND EVENING IN THE MOIST UPSLOPE FLOW. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200...THEN MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....59-63. MIN HUMIDITY........23-28%. WIND (20 FT)........NORTHWEST WINDS 9-15 MPH UNTIL 1200...THEN NORTHEAST 8-14 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......7800-8800 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........3 VERY LOW. .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 2400...THEN SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....37-39. MAX HUMIDITY........44-48%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......5400-6400 FT AGL UNTIL 2000. SMOKE DISPERSAL.....FAIR UNTIL 1900...THEN POOR. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....56-61. MIN HUMIDITY........23-28%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......6400-7400 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. COOLER. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 8 MPH. .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 8 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS AROUND 50. NORTHWEST WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WHITE RANCH UNIT 12. +++ 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 04/19-20 61 10 53 43 NW 10 2 3473 W 8 31072 P 04/19-21 41 10 50 50 W 10 10 4 2 NW18 333 W 8 2204 P 04/19-22 41 10 48 56 W 10 2 290 W 8 2049 P 04/19-23 41 0 46 60 W 12 1 246 NW 9 1894 P 04/20-00 19 0 45 62 NW 12 12 3 1 W26 202 NW 10 1738 P 04/20-01 19 0 44 63 W 12 1 188 W 10 1619 P 04/20-02 19 0 43 62 W 12 1 175 W 10 1500 P 04/20-03 16 0 42 60 W 10 10 3 1 W29 162 W 10 1381 P 04/20-04 16 0 41 58 W 9 1 162 W 9 1270 P 04/20-05 16 0 40 54 W 8 1 162 W 8 1160 P 04/20-06 29 0 41 49 W 8 8 3 1 NW29 162 W 7 1050 P 04/20-07 29 0 42 46 W 9 1 417 W 9 3841 P 04/20-08 29 0 44 43 W 10 1 673 W 10 6633 P 04/20-09 29 0 47 38 W 12 12 3 1 NW23 928 W 12 9424 P 04/20-10 29 0 51 33 NW 13 1 3050 W 13 39373 P 04/20-11 29 0 54 29 N 13 1 5171 NW 14 69321 G 04/20-12 72 30 57 27 NE 13 13 3 4 NW23 7293 NW 18 116688 V 04/20-13 72 30 58 25 NE 12 4 8619 NW 17 129278 V 04/20-14 72 30 60 24 NE 10 4 9216 W 16 129021 V 04/20-15 72 30 60 23 NE 9 9 3 4 W22 9812 W 15 127556 V 04/20-16 72 30 60 22 NE 8 4 8058 W 13 88638 G 04/20-17 72 30 59 22 NE 7 4 7195 W 12 71950 G 04/20-18 72 30 57 23 NE 6 6 3 4 W24 6333 W 8 45784 F 04/20-19 72 30 56 25 NE 6 4 5172 N 7 35051 P 04/20-20 72 30 52 28 NE 6 4 4012 NE 7 24317 P 04/20-21 72 30 49 32 E 6 6 2 4 W25 2852 E 6 13584 P 04/20-22 72 30 46 35 E 5 4 2130 E 5 9927 P 04/20-23 72 30 45 37 E 5 4 1407 SE 5 6270 P 04/21-00 72 10 44 39 E 3 3 2 1 W13 685 SE 5 2612 P 04/21-01 72 10 42 41 SE 3 1 591 SE 5 2251 P 04/21-02 72 10 41 42 S 3 1 497 S 5 1890 P 04/21-03 72 10 41 43 SW 3 3 2 1 SW12 402 S 5 1529 P 04/21-04 72 10 40 44 SW 3 1 375 S 5 1398 P 04/21-05 72 10 41 44 SW 5 1 348 SW 5 1267 P 04/21-06 72 10 41 43 SW 5 5 2 1 W 9 320 SW 5 1136 P 04/21-07 72 10 42 42 S 5 1 1001 SW 3 2574 P 04/21-08 72 10 44 38 SE 3 1 1681 SW 3 4012 P 04/21-09 72 10 48 33 E 3 3 2 1 SW10 2361 SW 2 5450 P 04/21-10 72 10 51 29 E 5 1 3544 S 3 11917 P 04/21-11 72 10 55 26 E 6 1 4727 S 5 18384 P 04/21-12 80 30 57 24 E 7 7 2 4 S17 5909 S 5 24851 P 04/21-13 80 30 59 22 E 7 4 6514 S 6 32085 P 04/21-14 80 30 60 21 E 7 4 7119 SE 6 39318 P 04/21-15 80 30 61 20 E 6 6 2 4 SW21 7723 SE 7 46552 F 04/21-16 80 30 61 20 E 6 4 7124 SE 7 40207 F 04/21-17 80 30 60 21 SE 5 4 6524 S 6 33862 P 04/21-18 80 30 58 23 SE 5 5 2 4 S13 5924 S 6 27517 P 04/21-19 80 30 56 25 SE 5 4 4848 S 7 27158 P 04/21-20 80 30 53 29 SE 6 4 3772 S 9 26799 P 04/21-21 80 30 49 33 SE 6 6 2 4 SW15 2696 S 12 26439 P 04/21-22 80 30 47 36 S 6 4 1954 S 10 18634 P 04/21-23 80 30 45 38 S 5 4 1212 S 9 10829 P 04/22-00 80 30 44 39 S 5 5 2 1 S23 470 S 7 3024 P 04/22-01 80 30 43 40 S 6 1 442 S 8 3059 P 04/22-02 80 30 42 41 SW 7 1 414 S 9 3094 P 04/22-03 80 30 41 43 SW 8 8 2 1 S23 386 S 9 3129 P 04/22-04 80 30 40 47 SW 8 1 406 S 9 3170 P 04/22-05 80 30 41 52 SW 8 1 426 SW 9 3212 P 04/22-06 80 30 41 54 SW 8 8 3 1 S24 447 SW 8 3253 P 04/22-07 80 30 42 52 SW 7 1 722 S 8 5468 P 04/22-08 80 30 42 50 SE 6 1 996 S 9 7684 P 04/22-09 80 30 44 44 SE 6 6 3 1 S26 1271 S 9 9899 P 04/22-10 80 30 46 39 SE 7 1 2141 S 12 24609 P 04/22-11 80 30 48 36 SE 9 1 3011 S 14 39320 P 04/22-12 73 20 49 34 SE 10 10 2 3 S36 3881 S 16 54030 F 04/22-13 73 20 50 32 SE 10 3 3798 S 15 49323 F 04/22-14 73 20 51 31 E 10 3 3715 SE 14 44616 F 04/22-15 73 20 51 30 E 9 9 3 3 S43 3632 SE 13 39909 P 04/22-16 73 20 51 30 E 9 3 2940 S 9 28258 P 04/22-17 73 20 51 31 N 8 3 2247 S 7 16608 P 04/22-18 73 20 49 33 N 8 8 3 3 S32 1554 S 3 4957 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...ALLEN GALLAMORE REASON FOR REQUEST...PRESCRIBED .TAG 20100420.WHITE.01/BOU