FNUS75 KBOU 091059 FWSBOU SPOT FORECAST FOR COW CREEK...USFS NATIONAL WEATHER SERVICE DENVER CO 458 AM MDT THU SEP 9 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...INCREASING SOUTHWEST FLOW ALOFT WILL ALLOW FOR DRIER AIR TO SPREAD ACROSS THE AREA TODAY SO NO PRECIPITATION IS EXPECTED. WINDS WILL GRADUALLY INCREASE THROUGH THE DAY AND BECOME STRONG TONIGHT. SOUTHWEST WINDS OF 15 TO 25 MPH WILL BE POSSIBLE BY LATE MORNING WITH GUSTS TO 45 MPH AFTER 1200 ESPECIALLY ABOVE TIMBERLINE. TONIGHT WINDS WILL INCREASE TO 25 TO 40 MPH WITH GUSTS ABOVE 60 MPH AT TIMES ABOVE TIMBERLINE. WINDS BELOW TIMBERLINE WILL NOT BE QUITE AS STRONG. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%). MAX TEMPERATURE.....65. MIN HUMIDITY........20-25%. 20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 19-26 MPH WITH GUSTS TO 45 MPH AFTER 1200. TRANSPORT WINDS.....SOUTHWEST 24-32 MPH. MIXING HEIGHT.......6200-7200 FT AGL AFTER 0700. SMOKE DISPERSAL.....POOR UNTIL 0700. EXCELLENT AFTER 1200. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MIN TEMPERATURE.....47. MAX HUMIDITY........35%. 20-FOOT WINDS.......VERY WINDY. WEST WINDS 28-43 MPH. GUSTS UP TO 50 MPH INCREASING TO 65 MPH IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTHWEST 28-36 MPH UNTIL 2400...THEN WEST 40-48 MPH. MIXING HEIGHT.......4600-5600 FT AGL UNTIL 2200...THEN 3000-4000 FT AGL. SMOKE DISPERSAL.....VERY GOOD UNTIL 0400. EXCELLENT AFTER 0500. HAINES INDEX........2 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....54. MIN HUMIDITY........22%. 20-FOOT WINDS.......WINDY. WEST WINDS 26-36 MPH WITH GUSTS TO 65 MPH UNTIL 0900...THEN 18-25 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....WEST 36-52 MPH. MIXING HEIGHT.......8000-9000 FT AGL. SMOKE DISPERSAL.....EXCELLENT. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 14 MPH WITH GUSTS TO 35 MPH. .SUNDAY...CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .MONDAY...CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 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 09/09-04 44 5 49 57 SW 15 1 994 SW 17 14599 P 09/09-05 44 5 49 56 SW 18 1 912 SW 17 13748 P 09/09-06 42 6 49 54 SW 21 39 2 1 SW37 830 SW 18 12898 P 09/09-07 42 6 50 52 SW 22 1 1720 SW 21 33690 P 09/09-08 42 6 52 47 SW 23 1 2611 SW 23 54482 F 09/09-09 42 6 54 43 SW 23 44 3 1 SW40 3501 SW 25 75273 G 09/09-10 42 6 57 38 SW 23 1 4285 SW 28 108069 V 09/09-11 42 6 58 36 SW 22 1 5068 SW 31 140864 V 09/09-12 46 3 59 35 SW 22 41 2 1 S43 5852 SW 35 173660 E 09/09-13 46 3 60 34 SW 21 1 6519 SW 33 184545 E 09/09-14 46 3 60 33 SW 21 1 7185 SW 31 195430 E 09/09-15 46 3 60 32 SW 21 39 2 1 SW51 7852 SW 30 206316 E 09/09-16 46 3 60 32 SW 22 1 7110 SW 29 180907 E 09/09-17 46 3 60 32 SW 24 1 6368 SW 28 155499 E 09/09-18 49 6 59 32 SW 26 51 2 1 SW53 5625 SW 26 130091 V 09/09-19 49 6 54 35 W 31 1 5193 SW 29 130028 V 09/09-20 49 6 52 35 W 35 1 4760 SW 32 129966 V 09/09-21 49 6 52 33 W 38 73 2 1 S51 4328 SW 35 129904 V 09/09-22 49 6 52 31 W 38 1 3928 SW 36 121648 V 09/09-23 49 6 50 30 W 37 1 3528 W 37 113392 V 09/10-00 34 1 49 29 W 36 68 2 1 SW58 3128 W 39 105137 V 09/10-01 34 1 49 29 W 33 1 3014 W 40 106259 V 09/10-02 34 1 47 30 W 32 1 2901 W 43 107382 V 09/10-03 34 1 47 31 W 31 59 2 1 SW58 2788 W 45 108505 V 09/10-04 34 1 47 31 W 32 1 3205 W 46 131025 V 09/10-05 34 1 47 30 W 35 1 3622 W 48 153544 E 09/10-06 24 0 47 29 W 35 66 3 1 SW56 4039 W 51 176064 E 09/10-07 24 0 48 27 W 31 1 4823 W 47 193401 E 09/10-08 24 0 49 26 W 26 1 5607 W 44 210738 E 09/10-09 24 0 50 23 W 21 39 2 1 SW62 6391 W 41 228075 E 09/10-10 24 0 52 22 W 21 1 6833 W 43 254197 E 09/10-11 24 0 52 22 W 22 1 7275 W 44 280319 E 09/10-12 34 0 53 23 W 23 37 2 1 W66 7717 W 46 306440 E 09/10-13 34 0 54 23 W 23 1 8069 W 44 305302 E 09/10-14 34 0 54 24 W 23 1 8421 W 41 304163 E 09/10-15 34 0 54 24 W 22 35 2 1 W61 8773 W 40 303025 E 09/10-16 34 0 54 24 W 21 1 8997 W 39 301226 E 09/10-17 34 0 53 25 W 20 1 9222 W 38 299427 E 09/10-18 34 0 53 24 W 18 30 2 1 W51 9446 W 37 297627 E 09/10-19 34 0 50 26 W 18 1 8807 W 35 264330 E 09/10-20 34 0 48 29 W 18 1 8167 W 32 231033 E 09/10-21 34 0 47 31 W 20 31 2 1 W31 7528 W 30 197735 E 09/10-22 34 0 45 34 W 21 1 6462 W 28 160151 E 09/10-23 34 0 44 37 W 22 1 5395 W 25 122566 V 09/11-00 10 0 43 41 W 22 35 2 1 NW31 4329 W 23 84981 G 09/11-01 10 0 41 42 W 22 1 3467 W 22 67303 G 09/11-02 10 0 40 41 W 21 1 2605 W 22 49624 F 09/11-03 10 0 40 40 W 20 31 2 1 W36 1743 W 21 31945 P 09/11-04 10 0 39 40 W 20 1 1674 W 20 29326 P 09/11-05 10 0 39 39 W 20 1 1605 W 20 26707 P 09/11-06 10 0 39 39 W 18 30 3 1 NW44 1536 W 18 24088 P 09/11-07 10 0 40 38 W 16 1 2630 W 20 46289 F 09/11-08 10 0 44 33 W 14 1 3725 W 21 68490 G 09/11-09 10 0 48 29 W 12 18 3 1 NW39 4820 W 22 90692 G 09/11-10 10 0 52 25 W 12 1 5819 W 22 108237 V 09/11-11 10 0 54 23 W 12 1 6819 W 21 125783 V 09/11-12 7 0 56 21 W 13 21 3 1 NW37 7818 W 21 143328 V 09/11-13 7 0 57 19 W 13 1 7986 W 21 140265 V 09/11-14 7 0 58 18 W 13 1 8154 W 20 137201 V 09/11-15 7 0 58 17 W 13 21 3 1 NW36 8322 W 18 134138 V 09/11-16 7 0 58 18 W 13 1 7652 W 18 119700 V 09/11-17 7 0 57 20 W 12 1 6982 W 17 105262 V 09/11-18 7 0 57 21 W 12 18 4 1 NW35 6312 W 16 90825 G 09/11-19 7 0 54 23 W 12 1 09/11-20 7 0 52 24 W 10 1 09/11-21 7 0 50 25 W 10 16 1 09/11-22 7 0 49 27 W 9 1 09/11-23 7 0 48 30 W 9 1 09/12-00 10 0 46 33 W 8 13 1 09/12-01 10 0 45 35 W 7 1 09/12-02 10 0 44 35 W 7 1 09/12-03 10 0 43 35 W 7 7 1 09/12-04 10 0 42 35 W 8 1 09/12-05 10 0 42 35 W 10 1 09/12-06 10 0 42 36 W 12 18 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 $$ WFO BOULDER REQUESTED BY...FIRE OPERATIONS REASON FOR REQUEST...WILDFIRE .TAG 20100908.COWCR.01/BOU