FNUS75 KBOU 270134 FWSBOU SPOT FORECAST FOR WALKER RANCH...USFS NATIONAL WEATHER SERVICE DENVER CO 735 PM MDT MON OCT 26 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SOUTHWESTERLY FLOW ALOFT WILL INCREASE ON TUESDAY AND TUESDAY NIGHT IN ADVANCE OF AN UPPER TROUGH/CLOSED LOW. MOISTURE WILL BE ON THE INCREASE TUESDAY THROUGH THE DAY. A COLD FRONT WITH UPSLOPE FLOW BEHIND IT WILL MOVE INTO THE FORECAST AREA LATE TUESDAY AFTERNOON. THE UPPER SYSTEM WILL MOVE SLOWLY EASTWARD ACROSS THE SOUTHERN BORDER OF COLORADO INTO THURSDAY. PRECIPITATION IS EXPECTED TUESDAY NIGHT INTO THURSDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TUESDAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200. MAX TEMPERATURE.....47-52. MIN HUMIDITY........30-40%. 20-FOOT WINDS.......WEST 13-19 MPH UNTIL 0900...THEN SOUTHWEST 5-9 MPH UNTIL 1200...THEN SOUTH 4-8 MPH UNTIL 1500...THEN EAST. TRANSPORT WINDS.....WEST 17-28 MPH UNTIL 1200...THEN SOUTHWEST 8-12 MPH. MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1500...THEN 3800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY NIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY. MIN TEMPERATURE.....20-25. MAX HUMIDITY........90-100%. 20-FOOT WINDS.......NORTH 5-11 MPH. TRANSPORT WINDS.....NORTH 4-12 MPH. MIXING HEIGHT.......200-400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........CLOUDY. OCCASIONAL SNOW. MAX TEMPERATURE.....25-30. MIN HUMIDITY........80-90%. 20-FOOT WINDS.......NORTH 8-12 MPH. TRANSPORT WINDS.....NORTH 9-16 MPH. MIXING HEIGHT.......1400-2400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...SNOW LIKELY UNTIL 0600...THEN CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 20. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. NOT AS COOL. LOWS AROUND 19. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WALKER RANCH. +++ 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 10/26-19 54 0 42 35 W 13 1 1196 W 21 21676 P 10/26-20 54 0 40 39 W 14 1 815 W 22 15092 P 10/26-21 54 0 39 41 W 16 25 2 1 W21 433 W 23 8508 P 10/26-22 54 0 38 37 W 16 1 394 W 22 7419 P 10/26-23 54 0 37 32 W 15 1 355 W 21 6330 P 10/27-00 63 0 37 29 W 15 24 2 1 NW23 316 W 20 5241 P 10/27-01 63 0 37 29 W 16 1 311 W 21 5444 P 10/27-02 63 0 37 30 W 18 1 305 W 22 5647 P 10/27-03 63 0 37 31 W 20 31 4 1 W26 299 W 23 5849 P 10/27-04 63 0 37 33 W 20 1 288 W 24 5968 P 10/27-05 63 0 36 35 W 18 1 278 W 25 6086 P 10/27-06 77 0 37 37 W 18 30 4 1 W25 267 W 26 6205 P 10/27-07 77 0 37 37 W 16 1 267 W 24 5598 P 10/27-08 77 0 38 39 W 13 1 267 W 22 4991 P 10/27-09 77 0 40 39 W 8 8 3 1 W30 266 W 18 4384 P 10/27-10 77 0 42 39 W 7 1 371 W 17 4978 P 10/27-11 77 0 45 39 SW 6 1 476 W 15 5572 P 10/27-12 88 20 47 36 SW 5 5 2 1 SW37 581 W 13 6165 P 10/27-13 88 20 48 38 S 5 1 1622 W 13 18361 P 10/27-14 88 20 48 40 SE 6 1 2662 SW 13 30556 P 10/27-15 88 22 48 44 E 6 6 2 1 SW33 3703 SW 14 42752 F 10/27-16 88 22 47 46 E 5 1 3778 SW 12 36883 P 10/27-17 88 22 44 50 E 5 1 3854 SW 9 31014 P 10/27-18 93 59 43 45 N 3 3 2 1 SW26 362 CALM 490 P 10/27-19 93 59 38 53 N 3 1 328 W 2 675 P 10/27-20 93 59 35 60 N 5 1 294 N 3 861 P 10/27-21 93 59 33 64 N 5 5 2 1 S20 259 N 5 1046 P 10/27-22 93 59 32 70 N 5 1 306 N 6 1559 P 10/27-23 93 59 31 73 N 6 1 353 NE 7 2073 P 10/28-00 100 74 29 76 NE 6 6 2 1 SW32 400 NE 7 2586 P 10/28-01 100 74 28 78 NE 6 1 391 NE 8 2662 P 10/28-02 100 74 27 80 N 7 1 382 NE 8 2737 P 10/28-03 100 74 27 80 N 8 8 2 1 S37 373 NE 9 2812 P 10/28-04 100 74 26 82 N 8 1 365 NE 9 3006 P 10/28-05 100 74 25 85 N 9 1 357 NE 10 3200 P 10/28-06 100 83 25 89 N 9 9 2 1 S40 349 N 12 3394 P 10/28-07 100 83 25 87 N 9 1 453 N 12 4632 P 10/28-08 100 83 24 94 N 10 1 556 N 12 5870 P 10/28-09 100 83 26 96 N 10 15 2 1 S44 659 N 13 7108 P 10/28-10 100 83 27 97 N 10 1 1052 N 13 11098 P 10/28-11 100 83 28 96 N 10 1 1446 N 13 15088 P 10/28-12 100 83 28 95 NW 10 16 2 1 S26 1839 N 12 19078 P 10/28-13 100 83 28 93 N 10 1 2036 N 12 19777 P 10/28-14 100 83 29 91 N 10 1 2234 N 10 20476 P 10/28-15 100 83 29 88 N 10 16 2 1 S23 2432 N 10 21175 P 10/28-16 100 83 28 86 N 10 1 2356 N 10 21558 P 10/28-17 100 83 28 85 N 10 1 2280 N 12 21941 P 10/28-18 100 70 27 86 N 10 16 2 1 S31 2205 N 12 22324 P 10/28-19 100 70 25 90 N 10 1 2108 N 12 21453 P 10/28-20 100 70 24 92 N 9 1 2011 N 12 20583 P 10/28-21 100 70 23 92 N 9 9 2 1 S31 1914 N 12 19712 P 10/28-22 100 70 23 92 N 8 1 1910 N 13 20838 P 10/28-23 100 70 22 92 N 8 1 1905 N 14 21964 P 10/29-00 100 70 22 91 N 8 8 2 1 S29 1901 N 14 23090 P 10/29-01 100 70 22 90 N 8 1 1835 N 15 23316 P 10/29-02 100 70 21 90 N 8 1 1770 N 15 23542 P 10/29-03 100 70 21 88 N 9 9 2 1 SW13 1704 N 16 23768 P 10/29-04 100 70 21 88 NW 9 1 1318 N 16 18337 P 10/29-05 100 70 21 87 NW 10 1 932 N 16 12907 P 10/29-06 92 41 20 87 NW 10 16 2 1 NW 7 546 N 16 7476 P 10/29-07 92 41 20 85 NW 12 1 834 N 16 11466 P 10/29-08 92 41 21 82 NW 12 1 1122 NW 16 15455 P 10/29-09 92 41 23 76 N 13 20 2 1 N21 1410 NW 16 19445 P 10/29-10 92 41 25 71 N 14 1 2062 NW 17 32748 P 10/29-11 92 41 26 68 N 14 1 2714 NW 18 46051 F 10/29-12 92 41 27 66 N 14 21 2 1 N22 3366 NW 21 59354 F 10/29-13 92 41 27 65 N 14 1 3188 NW 21 57137 F 10/29-14 92 41 27 64 N 13 1 3010 NW 21 54921 F 10/29-15 92 41 28 63 N 12 17 2 1 NW28 2832 NW 22 52704 F 10/29-16 92 41 27 65 NW 10 1 2425 NW 23 46935 F 10/29-17 92 41 27 68 NW 9 1 2019 NW 24 41165 F 10/29-18 60 15 26 74 NW 8 8 2 1 NW29 1613 NW 25 35396 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...1592 STALNACKER REASON FOR REQUEST...PRESCRIBED .TAG 20091028.WALKE.01/BOU