FNUS75 KBOU 190113 FWSBOU SPOT FORECAST FOR ONAHU FIRE...USFS NATIONAL WEATHER SERVICE DENVER CO 713 PM MDT SAT SEP 18 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...PRETTY WEAK WESTERLY FLOW ALOFT WILL CONTINUE OVER ALL OF COLORADO TONIGHT THROUGH SUNDAY NIGHT. THE AIR MASS IN PLACE ACROSS THE ROCKY MOUNTAIN NATIONAL PARK WILL REMAIN QUITE DRY TONIGHT THROUGH SUNDAY NIGHT. THE DRY AIRMASS WILL ALLOW FOR LARGE DIURNAL TEMPERATURES SWINGS. ENOUGH MOISTURE MAY MOVE INTO THE AREA ON MONDAY FOR A SLIGHT CHANCE OF PRECIPITATION...BUT SOME LIGHTNING AND GUSTY WINDS TOO. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....25-30. MAX HUMIDITY........60-70%. 20-FOOT WINDS.......WEST WINDS 8-13 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-6 MPH. TRANSPORT WINDS.....WEST 16-24 MPH UNTIL 2400...THEN LIGHT. MIXING HEIGHT.......7200-8200 FT AGL UNTIL 2000. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2400. HAINES INDEX........4 LOW. .SUNDAY... SKY/WEATHER.........SUNNY...WITH A FEW CLOUDS AFTER 1400. MAX TEMPERATURE.....73-78. MIN HUMIDITY........8-13%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN WEST-SOUTHWEST 7-13 MPH WITH GUSTS TO 22 MPH. TRANSPORT WINDS.....SOUTHWEST 13-24 MPH. MIXING HEIGHT.......7600-8600 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1200. HAINES INDEX........4 LOW. .SUNDAY NIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....27-35. MAX HUMIDITY........55-65%. 20-FOOT WINDS.......SOUTHWEST WINDS 7-12 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-7 MPH. TRANSPORT WINDS.....SOUTHWEST 12-16 MPH UNTIL 2400...THEN LIGHT. MIXING HEIGHT.......8600 FT AGL UNTIL 1900. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 LOW. .MONDAY... SKY/WEATHER.........PARTLY CLOUDY(30-50%)...WITH A SLIGHT CHANCE OF THUNDERSTORMS A FEW DRY AFTER 1200. MAX TEMPERATURE.....72-78. MIN HUMIDITY........12-18%. 20-FOOT WINDS.......BREEZY. WEST WINDS 15-25 MPH WITH GUSTS TO 35 MPH. TRANSPORT WINDS.....SOUTHWEST 13-24 MPH UNTIL 1200...THEN WEST 32-36 MPH. MIXING HEIGHT.......10000-11000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 0700. EXCELLENT AFTER 1400. HAINES INDEX........5 MODERATE. .FORECAST DAYS 3 THROUGH 5... .TUESDAY...PARTLY CLOUDY. COOLER. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .THURSDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. FIRE WEATHER TABLE FOR ONAHU FIRE. +++ 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 09/18-18 9 0 73 13 W 9 14 3 1 W37 8453 W 26 192616 E 09/18-19 9 0 69 14 W 8 1 7018 W 24 151661 E 09/18-20 4 0 65 16 W 6 1 5584 W 22 110705 V 09/18-21 4 0 60 18 W 6 6 3 1 W33 4149 W 20 69749 G 09/18-22 4 0 56 21 W 5 1 2852 W 15 47053 F 09/18-23 4 0 51 24 W 5 1 1555 W 12 24357 P 09/19-00 0 0 48 27 W 5 5 3 1 W30 258 W 7 1661 P 09/19-01 0 0 45 31 W 6 1 236 W 8 1552 P 09/19-02 0 0 42 34 W 7 1 215 W 8 1444 P 09/19-03 0 0 40 38 W 7 7 4 1 W29 193 W 8 1335 P 09/19-04 0 0 38 44 W 6 1 184 W 8 1234 P 09/19-05 0 0 37 49 SW 5 1 174 SW 7 1134 P 09/19-06 0 0 37 52 SW 3 3 4 1 W31 164 SW 7 1033 P 09/19-07 0 0 39 49 SW 3 1 253 SW 8 1695 P 09/19-08 0 0 43 42 SW 3 1 342 SW 8 2358 P 09/19-09 4 0 48 34 SW 3 3 4 1 W25 431 SW 8 3020 P 09/19-10 4 0 56 26 SW 5 1 2348 SW 14 45955 F 09/19-11 4 0 64 19 SW 6 1 4265 SW 20 88891 G 09/19-12 0 0 70 15 SW 8 13 4 1 W15 6182 W 24 131826 V 09/19-13 0 0 74 14 SW 9 1 7022 W 22 127456 V 09/19-14 0 0 75 13 SW 10 1 7863 W 18 123087 V 09/19-15 10 0 76 13 SW 12 18 4 1 SW 9 8703 W 16 118717 V 09/19-16 10 0 76 13 SW 12 1 8650 SW 15 116212 V 09/19-17 10 0 76 14 SW 12 1 8597 SW 15 113706 V 09/19-18 10 0 74 16 SW 10 16 4 1 SW18 8543 SW 15 111201 V 09/19-19 10 0 71 18 SW 9 1 6045 SW 14 77291 G 09/19-20 10 0 66 22 SW 7 1 3547 SW 12 43380 F 09/19-21 10 0 58 29 SW 5 5 3 1 SW25 1048 SW 10 9470 P 09/19-22 10 0 56 33 SW 5 1 772 SW 9 6797 P 09/19-23 10 0 54 36 SW 5 1 496 SW 8 4123 P 09/20-00 21 0 50 41 SW 6 6 4 1 SW29 220 SW 8 1449 P 09/20-01 21 0 48 44 SW 6 1 206 SW 7 1336 P 09/20-02 21 0 46 46 SW 5 1 193 SW 7 1222 P 09/20-03 21 0 44 48 SW 5 5 4 1 SW31 179 SW 7 1108 P 09/20-04 21 0 43 48 SW 5 1 178 SW 7 1150 P 09/20-05 21 0 43 48 SW 5 1 177 SW 8 1192 P 09/20-06 31 4 43 49 SW 6 6 4 1 SW33 175 SW 8 1234 P 09/20-07 31 4 45 46 SW 7 1 1151 SW 14 21987 P 09/20-08 31 4 51 38 SW 8 1 2126 SW 18 42740 F 09/20-09 31 4 58 31 SW 10 16 4 1 SW32 3102 W 23 63493 G 09/20-10 31 4 65 25 SW 14 1 5054 W 26 130461 V 09/20-11 31 4 69 23 W 17 1 7007 W 30 197429 E 09/20-12 57 15 72 21 W 21 33 5 3 SW36 8959 W 35 264397 E 09/20-13 57 15 74 20 W 22 3 9813 W 33 287772 E 09/20-14 57 15 75 18 W 22 3 10667 W 33 311147 E 09/20-15 57 15 76 17 W 21 33 5 3 SW44 11521 W 33 334522 E 09/20-16 57 15 75 17 W 21 3 10827 W 33 314329 E 09/20-17 57 15 73 19 W 20 3 10133 W 33 294136 E 09/20-18 34 15 72 19 W 18 30 5 3 SW46 9439 W 33 273944 E 09/20-19 34 15 65 25 W 16 3 7244 W 31 203044 E 09/20-20 34 15 59 33 W 14 3 5049 W 28 132145 V 09/20-21 34 15 55 38 W 12 18 3 3 SW44 2853 W 24 61245 G 09/20-22 34 15 52 43 W 12 3 1996 W 22 42079 F 09/20-23 34 15 50 46 W 12 3 1138 W 18 22913 P 09/21-00 26 8 46 52 W 12 18 3 1 W43 281 W 15 3748 P 09/21-01 26 8 43 56 W 9 1 258 W 12 2782 P 09/21-02 26 8 41 61 NW 6 1 236 NW 8 1816 P 09/21-03 26 8 39 64 NW 3 3 3 1 W56 213 NW 5 850 P 09/21-04 26 8 38 64 W 2 1 215 W 5 785 P 09/21-05 26 8 38 64 SW 2 1 216 SW 3 720 P 09/21-06 36 8 37 66 S 2 2 2 1 W59 217 SW 3 655 P 09/21-07 36 8 40 64 S 2 1 1418 SW 7 14248 P 09/21-08 36 8 43 63 SW 3 1 2619 SW 9 27840 P 09/21-09 36 8 49 52 SW 5 5 3 1 W49 3820 SW 13 41433 F 09/21-10 36 8 56 40 SW 7 1 4910 SW 15 71573 G 09/21-11 36 8 58 33 SW 10 1 6000 W 18 101713 V 09/21-12 37 4 61 27 SW 13 21 4 1 W38 7091 W 22 131853 V 09/21-13 37 4 63 25 SW 14 1 7365 W 21 130697 V 09/21-14 37 4 64 23 SW 14 1 7639 W 20 129540 V 09/21-15 37 4 65 22 SW 13 21 5 1 W30 7914 W 18 128384 V 09/21-16 37 4 64 22 SW 12 1 7366 SW 17 112753 V 09/21-17 37 4 62 24 SW 10 1 6818 SW 16 97123 G 09/21-18 37 4 61 25 SW 9 15 5 1 W25 6270 SW 15 81492 G 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 20100918.ONAHU.01/BOU RJK