FNUS75 KBOU 041955 FWSBOU SPOT FORECAST FOR SKY ISLAND...USFS NATIONAL WEATHER SERVICE DENVER CO 155 PM MDT THU NOV 4 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER RIDGE OVER THE SOUTHWESTERN STATES WILL BE BUILDING AND MOVING EAST OVER THE STATE BY SATURDAY MORNING. THIS WILL KEEP NORTHWESTERLY FLOW ALOFT...WARMING TEMPERATURES AND LIGHT WINDS THROUGH SATURDAY. WILL HAVE BRIEF PERIOD FRIDAY AFTERNOON FOR GOOD MIXING...GOING TO POOR JUST AFTER SUNDOWN...THEN NO MORE GOOD CHANCE FOR MIXING THROUGH THE WEEKEND AS THE RIDGE MOVES OVERHEAD. OVERALL MUCH WARMER AND DRIER CONDITIONS THAN NORMAL UNTIL THE NEXT CHANCE FOR PRECIPITATION ON MONDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....27. MAX HUMIDITY........73%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2100...THEN WEST 5-6 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......6600 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 LOW. .FRIDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....63. MIN HUMIDITY........14%. 20-FOOT WINDS.......NORTHWEST WINDS 5-6 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 1400-2400 FT AGL UNTIL 1300...THEN 5200 FT AGL UNTIL 1400...THEN 8000 FT AGL UNTIL 1500...THEN 9600-10600 FT AGL UNTIL 1700...THEN 7600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1400...THEN GOOD UNTIL 1500...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........3 VERY LOW. .FRIDAY NIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....28. MAX HUMIDITY........66%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2100...THEN NORTHWEST AROUND 5 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......7600 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 VERY LOW. .SATURDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....66. MIN HUMIDITY........12%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN WEST 5-6 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1100. 7200-8200 FT AGL AFTER 1500. SMOKE DISPERSAL.....POOR UNTIL 1500...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 6 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1800. LOWS IN THE MID 20S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 11 MPH WITH GUSTS TO 25 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0600...THEN CHANCE OF SNOW SHOWERS UNTIL 1800...THEN CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 6 MPH. .WEDNESDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600...THEN SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 6 MPH. FIRE WEATHER TABLE FOR SKY ISLAND. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE 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 11/04-13 17 0 49 33 NW 4 1 4662 NW 8 46406 F 11/04-14 17 0 54 26 NW 4 1 6906 NW 12 81443 G 11/04-15 17 0 57 21 NW 4 8 3 1 NW40 9149 NW 15 116481 V 11/04-16 17 0 59 20 NW 4 1 8327 NW 14 104410 V 11/04-17 17 0 59 20 NW 3 1 7504 NW 14 92339 G 11/04-18 8 0 56 23 NW 3 3 3 1 N39 6682 NW 14 80268 G 11/04-19 8 0 47 32 NW 2 1 4572 NW 12 54131 F 11/04-20 8 0 43 38 NW 3 1 2462 NW 9 27994 P 11/04-21 8 0 41 42 W 3 3 4 1 N33 351 NW 6 1857 P 11/04-22 8 0 39 44 W 5 1 311 W 6 1646 P 11/04-23 8 0 37 48 W 5 1 270 W 6 1436 P 11/05-00 4 0 37 50 W 6 6 4 1 N30 230 W 6 1226 P 11/05-01 4 0 34 55 W 6 1 197 W 6 1055 P 11/05-02 4 0 33 59 W 6 1 164 W 6 885 P 11/05-03 4 0 32 62 W 6 6 4 1 N31 132 W 6 715 P 11/05-04 4 0 31 65 W 6 1 123 W 6 668 P 11/05-05 4 0 30 67 W 6 1 115 W 6 621 P 11/05-06 4 0 28 72 W 6 6 3 1 N29 106 W 6 574 P 11/05-07 4 0 27 73 W 6 1 107 W 6 589 P 11/05-08 4 0 27 71 W 6 1 108 W 7 605 P 11/05-09 4 0 27 70 W 6 6 3 1 N26 109 W 7 620 P 11/05-10 4 0 34 52 W 6 1 923 W 8 8040 P 11/05-11 4 0 42 38 W 6 1 1737 NW 9 15459 P 11/05-12 3 0 45 33 W 6 6 3 1 N20 2551 NW 10 22879 P 11/05-13 3 0 52 25 W 6 1 5287 NW 12 58120 F 11/05-14 3 0 56 20 W 6 1 8022 NW 13 93361 G 11/05-15 3 0 61 17 NW 6 6 2 1 NW18 10757 NW 14 128603 V 11/05-16 3 0 63 15 NW 5 1 9143 NW 13 104198 V 11/05-17 3 0 62 14 NW 3 1 7529 NW 12 79793 G 11/05-18 4 0 59 15 N 2 2 2 1 NW25 7559 NW 12 75386 G 11/05-19 4 0 50 22 NW 2 1 5137 NW 9 50738 F 11/05-20 4 0 45 28 NW 2 1 2715 NW 8 26089 P 11/05-21 4 0 43 31 NW 2 2 3 1 N35 293 NW 6 1440 P 11/05-22 4 0 42 33 NW 3 1 258 NW 6 1308 P 11/05-23 4 0 39 37 W 5 1 224 W 6 1175 P 11/06-00 3 0 39 39 W 5 5 3 1 N32 189 W 7 1043 P 11/06-01 3 0 36 44 W 3 1 167 W 6 861 P 11/06-02 3 0 34 48 W 3 1 144 W 6 678 P 11/06-03 3 0 33 51 NW 2 2 3 1 N22 121 W 5 496 P 11/06-04 3 0 32 55 NW 2 1 114 W 5 494 P 11/06-05 3 0 31 58 NW 3 1 106 W 6 492 P 11/06-06 4 0 30 63 NW 3 3 4 1 N16 98 W 6 489 P 11/06-07 4 0 28 66 W 3 1 100 W 6 534 P 11/06-08 4 0 28 64 W 3 1 102 W 7 578 P 11/06-09 4 0 28 64 W 3 3 4 1 NW16 104 W 7 622 P 11/06-10 4 0 36 45 W 3 1 746 W 7 4170 P 11/06-11 4 0 44 31 W 3 1 1387 NW 7 7718 P 11/06-12 4 0 48 26 SW 3 3 4 1 NW12 2029 NW 7 11266 P 11/06-13 4 0 54 20 SW 5 1 4120 NW 7 24955 P 11/06-14 4 0 59 16 SW 5 1 6211 NW 7 38643 P 11/06-15 4 0 64 14 SW 6 6 4 1 W15 8302 NW 7 52331 F 11/06-16 4 0 66 12 W 6 1 7555 NW 7 43849 F 11/06-17 4 0 65 12 NW 5 1 6809 NW 6 35366 P 11/06-18 12 0 62 14 NW 5 5 4 1 W18 6063 NW 5 26883 P 11/06-19 12 0 52 20 NW 5 1 4122 NW 6 18420 P 11/06-20 12 0 47 24 W 6 1 2181 W 7 9956 P 11/06-21 12 0 45 27 W 6 6 4 1 W20 240 W 7 1492 P 11/06-22 12 0 44 30 W 6 1 212 W 7 1352 P 11/06-23 12 0 41 35 W 7 1 184 W 8 1213 P 11/07-00 20 0 40 38 W 7 7 4 1 W16 156 W 8 1073 P 11/07-01 20 0 38 44 W 7 1 138 W 7 890 P 11/07-02 20 0 36 49 W 6 1 121 W 7 708 P 11/07-03 20 0 35 53 W 5 5 5 1 W15 104 W 6 525 P 11/07-04 20 0 34 58 W 3 1 98 W 5 442 P 11/07-05 20 0 33 63 W 2 1 92 W 5 359 P 11/07-06 27 3 31 70 W 2 2 5 1 SW14 86 W 3 276 P 11/07-07 27 3 30 76 W 2 1 88 W 3 300 P 11/07-08 27 3 29 77 W 2 1 91 W 5 324 P 11/07-09 27 3 29 79 W 3 3 5 1 SW17 93 W 5 348 P 11/07-10 27 3 35 61 W 5 1 203 W 5 941 P 11/07-11 27 3 42 46 W 5 1 313 W 6 1534 P 11/07-12 20 3 45 39 W 6 6 5 1 SW25 423 W 6 2127 P 11/07-13 20 3 50 32 W 7 1 1731 SW 7 12812 P 11/07-14 21 3 54 26 SW 8 1 3039 SW 8 23497 P 11/07-15 21 3 57 21 SW 8 8 5 1 SW30 4347 SW 9 34182 P 11/07-16 21 3 59 19 SW 9 1 3141 SW 10 25270 P 11/07-17 22 3 58 18 SW 10 1 1934 S 10 16358 P 11/07-18 22 4 56 19 SW 10 16 3 1 SW30 728 S 12 7447 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...DAVE HOWARD REASON FOR REQUEST...PRESCRIBED .TAG 20101105.SKYIS.01/BOU