FNUS75 KBOU 041127 FWSBOU SPOT FORECAST FOR COW CREEK...NPS NATIONAL WEATHER SERVICE DENVER CO 527 AM MDT SAT SEP 4 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WARM AND DRY UPPER LEVEL RIDGE BUILDING ACROSS THE REGION WILL BRING UNSEASONABLY WARM AND DRY CONDITIONS TO THE BURN SITE THROUGH SUNDAY. WINDS WILL ALSO BE INCREASING ESPECIALLY SUNDAY...LEADING TO HIGHER FIRE DANGER. BY MONDAY...TEMPERATURES WILL TURN COOLER BUT BREEZY CONDITIONS WILL REMAIN IN THE FORECAST AS AN UPPER LEVEL TROUGH PASSES NORTH OF THE STATE. TEMPERATURES FOR THE REST OF THE WEEK SHOULD AVERAGE NEAR NORMAL...BUT PERIODS OF GUSTY WINDS WILL STILL BE POSSIBLE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY UNTIL 1500...THEN PARTLY CLOUDY. MAX TEMPERATURE.....68-70 MIN HUMIDITY........15-17%. 20-FOOT WINDS.......WEST WINDS 12-20 MPH WITH GUSTS TO 25 MPH. LOWER SLOPES...WEST WINDS 5-12 MPH WITH GUSTS TO 18 MPH. TRANSPORT WINDS.....WEST 16-24 MPH. MIXING HEIGHT.......11000-12000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN BECOMING EXCELLENT BY 1100. HAINES INDEX........5 MODERATE. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....50. MAX HUMIDITY........35%. 20-FOOT WINDS.......WEST WINDS 12-19 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 16-24 MPH. MIXING HEIGHT.......11400 FT AGL UNTIL 1900. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2400. HAINES INDEX........3 VERY LOW. .SUNDAY... SKY/WEATHER.........SUNNY UNTIL 1200...THEN PARTLY CLOUDY. MAX TEMPERATURE.....73. MIN HUMIDITY........11%. 20-FOOT WINDS.......BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO 35 MPH. TRANSPORT WINDS.....WEST 21-32 MPH UNTIL 1200...THEN 36-40 MPH. MIXING HEIGHT.......11600-12600 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 0700. EXCELLENT AFTER 1400. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .LABOR DAY...PARTLY CLOUDY. COOLER. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 16 MPH WITH GUSTS TO 35 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 8 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR COW CREEK. +++ 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 09/04-05 1 0 46 40 W 14 1 191 W 16 2659 P 09/04-06 1 0 45 40 W 14 22 5 1 NW12 186 W 16 2594 P 09/04-07 1 0 46 39 W 14 1 566 W 18 10290 P 09/04-08 1 0 49 35 W 15 1 946 W 21 17987 P 09/04-09 1 0 52 31 W 15 22 4 1 W12 1326 W 22 25683 P 09/04-10 1 0 57 26 W 14 1 4395 W 23 91930 G 09/04-11 1 0 61 22 W 13 1 7463 W 24 158177 E 09/04-12 7 0 64 20 W 13 22 4 1 W23 10532 NW 24 224424 E 09/04-13 7 0 65 19 W 13 1 11094 NW 24 231010 E 09/04-14 12 0 67 18 W 14 1 11657 W 23 237596 E 09/04-15 23 0 68 18 W 15 23 3 1 NW26 12219 W 23 244182 E 09/04-16 32 0 69 17 W 15 1 11954 W 24 246564 E 09/04-17 32 0 67 18 W 14 1 11689 W 24 248946 E 09/04-18 32 0 66 18 W 14 21 3 1 W32 11424 W 25 251328 E 09/04-19 32 0 64 20 W 14 1 8792 W 24 191300 E 09/04-20 32 0 61 23 W 14 1 6160 W 24 131273 V 09/04-21 23 0 58 26 W 14 21 3 1 W35 3528 W 23 71245 G 09/04-22 23 0 57 28 W 14 1 2460 W 21 49069 F 09/04-23 23 0 55 30 W 15 1 1392 W 18 26892 P 09/05-00 15 0 54 32 W 15 23 3 1 W36 324 W 17 4715 P 09/05-01 15 0 53 34 W 15 1 289 W 17 4230 P 09/05-02 15 0 53 35 W 16 1 254 W 17 3745 P 09/05-03 15 0 52 35 W 16 24 3 1 W40 218 W 17 3260 P 09/05-04 15 0 51 35 W 16 1 217 W 17 3347 P 09/05-05 15 0 51 34 W 16 1 215 W 18 3434 P 09/05-06 10 0 51 32 W 17 26 4 1 W41 214 W 18 3521 P 09/05-07 10 0 51 31 W 18 1 1729 W 23 44642 F 09/05-08 10 0 54 26 W 20 1 3245 W 26 85764 G 09/05-09 10 0 60 21 W 22 33 4 1 W48 4761 W 31 126885 V 09/05-10 10 0 65 16 W 22 1 4239 W 26 123681 V 09/05-11 10 0 67 15 W 21 1 7446 W 31 227767 E 09/05-12 31 0 70 13 W 20 31 4 1 W53 10653 W 36 331853 E 09/05-13 31 0 71 12 W 21 1 11346 W 37 366731 E 09/05-14 31 0 72 12 W 22 1 12038 W 38 401609 E 09/05-15 31 0 73 11 W 23 37 4 1 W53 12731 W 39 432854 E 09/05-16 31 0 72 11 W 23 1 12545 W 39 430599 E 09/05-17 31 0 71 11 W 22 1 12360 W 40 428345 E 09/05-18 31 0 70 12 W 22 35 4 1 W52 12174 W 40 426090 E 09/05-19 31 0 66 14 W 23 1 8875 W 35 300200 E 09/05-20 31 0 62 17 W 23 1 5577 W 30 174310 E 09/05-21 31 0 59 21 W 23 37 3 1 W55 2278 W 24 48419 F 09/05-22 31 0 57 24 W 21 1 1732 W 22 35369 P 09/05-23 31 0 55 28 W 18 1 1187 W 20 22319 P 09/06-00 30 0 51 33 NW 17 28 3 1 W58 642 W 16 9269 P 09/06-01 30 0 49 37 W 18 1 550 W 17 8118 P 09/06-02 30 0 47 40 W 21 1 458 W 17 6966 P 09/06-03 30 0 46 42 W 23 37 3 1 W63 367 W 18 5815 P 09/06-04 30 0 45 42 W 24 1 463 W 18 7174 P 09/06-05 30 0 45 42 W 24 1 560 W 17 8533 P 09/06-06 30 0 45 41 W 23 37 3 1 W69 657 W 17 9892 P 09/06-07 30 0 46 37 W 21 1 2267 W 22 56204 F 09/06-08 30 0 47 35 W 20 1 3877 W 26 102516 V 09/06-09 30 0 51 30 W 17 28 2 1 W77 5487 W 31 148828 V 09/06-10 30 0 53 26 W 17 1 6557 W 36 212611 E 09/06-11 30 0 55 24 W 17 1 7628 W 40 276394 E 09/06-12 31 0 57 21 W 17 28 3 1 W84 8699 W 45 340177 E 09/06-13 31 0 58 20 W 15 1 8921 W 44 334783 E 09/06-14 31 0 58 19 W 14 1 9143 W 41 329388 E 09/06-15 31 0 59 18 W 12 18 3 1 W70 9365 W 40 323994 E 09/06-16 31 0 58 17 SW 12 1 8887 W 36 279215 E 09/06-17 31 0 58 17 SW 12 1 8410 W 31 234436 E 09/06-18 31 0 57 18 S 12 18 4 1 W58 7933 W 28 189657 E 09/06-19 31 0 55 20 S 10 1 09/06-20 31 0 52 23 S 10 1 09/06-21 31 0 51 26 S 9 15 1 09/06-22 31 0 50 30 S 8 1 09/06-23 31 0 48 33 S 8 1 09/07-00 18 0 47 38 S 7 7 1 09/07-01 18 0 45 41 S 7 1 09/07-02 18 0 44 42 S 7 1 09/07-03 18 0 43 43 S 7 7 1 09/07-04 18 0 43 44 S 7 1 09/07-05 18 0 43 44 SW 7 1 09/07-06 18 0 43 44 W 7 7 1 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 20100903.COWCR.01/BOU