FNUS75 KBOU 211047 FWSBOU SPOT FORECAST FOR ONAHU...USFS NATIONAL WEATHER SERVICE DENVER CO 444 AM MDT TUE SEP 21 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY WESTERLY FLOW ALOFT WILL BE OVER THE AREA TODAY. A COLD FRONT HAS MOVED ACROSS THE AREA EARLY THIS MORNING AND WILL ALLOW FOR HIGHS TO BE AROUND 10 DEGREES COOLER THIS AFERNOON WITH LITTLE CHANGE TO HUMIDITY LEVELS. SMOKE DISPERSAL SHOULD BECOME GOOD BY 1200. WINDS WILL NOT BAS AS GUSTY TODAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....68. MIN HUMIDITY........20%. 20-FOOT WINDS.......SOUTHWEST WINDS 9-15 MPH. TRANSPORT WINDS.....SOUTHWEST 8-16 MPH UNTIL 1200...THEN WEST 20-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000. 6200-7200 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1500...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....34. MAX HUMIDITY........62%. 20-FOOT WINDS.......SOUTHWEST WINDS 7-13 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN SOUTHWEST AROUND 5 MPH. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH UNTIL 2400...THEN 4-8 MPH. MIXING HEIGHT.......6400 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200...THEN CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....72. MIN HUMIDITY........30%. 20-FOOT WINDS.......SOUTHWEST WINDS 8-14 MPH. GUSTS UP TO 20 MPH EARLY IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 12-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 7400-8400 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1700. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 1800. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. WEST WINDS AROUND 13 MPH WITH GUSTS TO 30 MPH. .FRIDAY...CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. FIRE WEATHER TABLE FOR ONAHU. +++ 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 09/21-04 0 1 38 64 SW 2 1 203 SW 3 634 P 09/21-05 0 1 37 69 SW 2 1 201 SW 5 766 P 09/21-06 0 0 37 71 SW 3 3 2 1 W49 199 SW 6 898 P 09/21-07 0 0 38 70 SW 5 1 334 SW 7 2336 P 09/21-08 0 0 39 68 SW 7 1 468 SW 8 3773 P 09/21-09 15 0 42 59 SW 8 13 4 1 W45 602 SW 10 5211 P 09/21-10 15 0 47 47 SW 9 1 2246 SW 15 44918 F 09/21-11 15 0 54 35 SW 10 1 3890 W 21 84625 G 09/21-12 15 5 60 28 SW 12 18 4 1 W40 5534 W 25 124332 V 09/21-13 15 5 64 24 SW 13 1 6189 W 25 136630 V 09/21-14 15 5 66 22 W 14 1 6845 W 25 148927 V 09/21-15 15 5 67 20 W 14 22 3 1 W35 7500 W 24 161225 E 09/21-16 15 5 67 20 W 13 1 7128 W 23 141211 V 09/21-17 15 5 67 20 SW 12 1 6755 SW 21 121197 V 09/21-18 17 1 64 22 SW 9 15 2 1 W33 6383 SW 18 101183 V 09/21-19 17 1 58 28 SW 8 1 4534 SW 15 69666 G 09/21-20 17 1 53 35 W 6 1 2685 SW 13 38149 P 09/21-21 17 1 51 40 W 5 5 2 1 SW37 836 SW 9 6633 P 09/21-22 17 1 48 45 W 3 1 631 SW 8 4764 P 09/21-23 17 1 46 50 SW 2 1 426 SW 7 2896 P 09/22-00 18 1 43 57 SW 2 2 2 1 SW44 222 SW 6 1028 P 09/22-01 18 1 41 59 SW 2 1 207 SW 6 1046 P 09/22-02 18 1 39 60 SW 3 1 192 SW 7 1065 P 09/22-03 18 1 38 60 SW 5 5 2 1 SW38 176 SW 7 1083 P 09/22-04 18 1 37 59 SW 5 1 176 SW 7 1030 P 09/22-05 18 1 36 59 SW 5 1 175 SW 7 977 P 09/22-06 42 3 36 62 S 5 5 2 1 SW44 174 SW 6 924 P 09/22-07 42 3 38 62 S 5 1 964 SW 10 13358 P 09/22-08 42 3 45 56 S 6 1 1753 SW 14 25791 P 09/22-09 42 3 53 48 S 7 7 2 1 SW35 2543 SW 17 38224 P 09/22-10 42 3 60 38 SW 9 1 4156 SW 18 70880 G 09/22-11 42 3 64 34 SW 13 1 5769 SW 20 103536 V 09/22-12 84 35 67 30 SW 14 22 2 4 SW25 7381 SW 21 136191 V 09/22-13 84 35 69 30 SW 12 4 7722 S 18 125561 V 09/22-14 84 35 71 30 SW 9 4 8063 S 16 114932 V 09/22-15 84 35 72 30 S 6 6 2 4 S28 8404 S 14 104302 V 09/22-16 84 35 71 31 SW 5 4 7965 S 18 126843 V 09/22-17 84 35 69 33 W 5 4 7527 S 23 149383 V 09/22-18 90 43 68 34 W 5 5 2 4 S39 7088 SW 28 171924 E 09/22-19 90 43 62 43 W 5 4 5978 S 28 144109 V 09/22-20 90 43 56 56 S 5 4 4869 S 28 116294 V 09/22-21 90 43 53 64 SE 6 6 2 4 SW61 3759 S 28 88480 G 09/22-22 90 43 51 72 SE 8 4 2923 S 25 66292 G 09/22-23 90 43 49 76 SE 10 4 2087 S 23 44105 F 09/23-00 74 43 45 85 S 12 18 2 4 W56 1251 S 21 21918 P 09/23-01 74 43 43 87 S 12 4 966 S 17 15993 P 09/23-02 74 43 41 88 SW 10 4 681 SW 15 10069 P 09/23-03 74 43 39 89 SW 9 15 2 4 W78 397 SW 12 4144 P 09/23-04 74 43 38 89 SW 9 4 419 SW 13 4633 P 09/23-05 74 43 38 89 W 10 4 442 W 14 5122 P 09/23-06 61 30 37 93 W 12 18 2 4 W62 465 W 14 5611 P 09/23-07 61 30 40 92 W 13 4 2003 W 20 50216 F 09/23-08 61 30 44 86 W 15 4 3541 W 25 94821 G 09/23-09 61 30 50 71 W 16 25 2 4 SW35 5079 W 31 139426 V 09/23-10 61 30 56 53 W 17 4 6161 W 32 177322 E 09/23-11 61 30 59 43 W 18 4 7243 W 33 215218 E 09/23-12 49 30 62 35 W 18 30 2 4 W52 8326 W 35 253115 E 09/23-13 49 30 64 31 W 18 4 8452 W 35 250170 E 09/23-14 49 30 65 28 W 18 4 8579 W 33 247225 E 09/23-15 49 30 66 26 W 17 28 2 4 W43 8705 W 32 244280 E 09/23-16 49 30 65 25 W 16 4 8388 W 31 224340 E 09/23-17 49 30 63 26 W 15 4 8071 W 29 204400 E 09/23-18 31 4 62 25 W 14 22 2 1 W35 7753 W 28 184459 E 09/23-19 31 4 57 31 W 12 1 6877 W 24 150771 E 09/23-20 31 4 52 38 W 8 1 6001 W 22 117083 V 09/23-21 31 4 50 42 W 6 6 2 1 NW24 5126 W 18 83395 G 09/23-22 31 4 48 45 W 6 1 4157 W 17 64045 G 09/23-23 31 4 46 47 W 6 1 3189 W 15 44695 F 09/24-00 1 0 43 50 W 6 6 2 1 NW22 2220 W 13 25346 P 09/24-01 1 0 41 52 W 6 1 1611 W 12 17710 P 09/24-02 1 0 40 54 W 5 1 1002 W 9 10074 P 09/24-03 1 0 38 55 W 5 5 3 1 NW21 393 W 7 2439 P 09/24-04 1 0 38 55 SW 5 1 372 W 7 2149 P 09/24-05 1 0 37 54 SW 3 1 351 SW 6 1859 P 09/24-06 1 0 37 55 SW 3 3 4 1 NW18 330 SW 6 1569 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...FIRE OPERATIONS REASON FOR REQUEST...WILDFIRE .TAG 20100920.ONAHU.01/BOU