FNUS75 KBOU 262302 FWSBOU SPOT FORECAST FOR FHTR 100 PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 500 PM MDT TUE OCT 26 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SNOW SHOWERS WILL CONTINUE ACROSS THE MOUNTAINS THROUGH WEDNESDAY MORNING..AND THEN GRADUALLY DECREASE WEDNESDAY AFTERNOON AND EVENING AS DRIER AND MORE STABLE AIR SPREADS ACROSS THE REGION. GUSTY WINDS ARE ALSO EXPECTED TO GRADUALLY DECREASE... WITH THE LIGHTEST WINDS AT NIGHT. TEMPERATURES WILL REMAIN COLD WITH HIGHER HUMIDITY LEVELS. FOR THURSDAY AND FRIDAY...DRY CONDITIONS WILL PREVAIL ALONG WITH WARMER TEMPERATURES AND LIGHT WINDS AS AN UPPER LEVEL RIDGE BUILDS OVER THE REGION. THE NEXT CHANCE OF PRECIPITATION WILL DEVELOP BY THE WEEKEND. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY AND AREAS OF BLOWING SNOW. MIN TEMPERATURE.....18. MAX HUMIDITY........62%. 20-FOOT WINDS.......WEST WINDS 8-18 MPH. GUSTS UP TO 28 MPH THIS EVENING. TRANSPORT WINDS.....WEST 24-32 MPH UNTIL 2400...THEN 16-20 MPH. MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2000. 2400-3000 FT AGL AFTER 2300. SMOKE DISPERSAL.....EXCELLENT UNTIL 2000. POOR AFTER 2400. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). CHANCE OF SNOW. MAX TEMPERATURE.....31. MIN HUMIDITY........49%. 20-FOOT WINDS.......WEST WINDS 12-17 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......4600-5600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0700...THEN GOOD UNTIL 0800...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........2 VERY LOW. .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....6. MAX HUMIDITY........95%. 20-FOOT WINDS.......SOUTH WINDS 7-13 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....WEST 9-20 MPH UNTIL 2400...THEN SOUTHWEST AROUND 8 MPH. MIXING HEIGHT.......2600-3600 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........4 LOW. .THURSDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....40. MIN HUMIDITY........34%. 20-FOOT WINDS.......SOUTH WINDS 6-7 MPH. TRANSPORT WINDS.....SOUTH AROUND 8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1400...THEN 1000-1400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........5 MODERATE. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 8 MPH. .SATURDAY...MOSTLY CLEAR. SLIGHT CHANCE OF RAIN AFTER 1200 UNTIL 1800...THEN CHANCE OF RAIN AND SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 8 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW UNTIL 1800... THEN SLIGHT CHANCE OF RAIN AND SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 10 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN UNTIL 1800. SLIGHT CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 7 MPH. FIRE WEATHER TABLE FOR FHTR 100 PILES. +++ 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 10/26-16 90 80 27 58 W 18 1 7204 W 31 192912 E 10/26-17 90 80 25 59 W 18 1 6831 W 31 185096 E 10/26-18 84 69 26 55 W 17 28 2 1 W28 6458 W 31 177280 E 10/26-19 84 69 24 58 W 17 1 5616 W 31 153626 E 10/26-20 84 69 23 60 W 16 1 4774 W 31 129973 V 10/26-21 84 69 22 61 W 15 24 2 1 W51 3933 W 31 106319 V 10/26-22 84 69 21 62 W 13 1 3429 W 26 83957 G 10/26-23 84 69 21 62 W 12 1 2926 W 23 61595 G 10/27-00 84 53 20 62 W 9 15 2 1 W47 2423 W 18 39232 P 10/27-01 84 53 20 62 W 8 1 2443 W 18 38524 P 10/27-02 84 53 20 61 W 8 1 2463 W 17 37815 P 10/27-03 84 53 19 60 W 8 13 2 1 W52 2483 W 17 37107 P 10/27-04 84 53 19 60 W 9 1 2412 W 17 36962 P 10/27-05 84 53 19 60 W 10 1 2342 W 18 36817 P 10/27-06 75 53 19 61 W 12 18 2 1 W58 2272 W 18 36672 P 10/27-07 75 53 19 61 W 14 1 3200 W 23 68914 G 10/27-08 75 53 20 59 W 15 1 4129 W 26 101157 V 10/27-09 75 48 23 55 W 16 25 2 1 W51 5057 W 30 133399 V 10/27-10 75 48 26 51 W 16 1 5422 W 29 136781 V 10/27-11 75 48 28 50 W 16 1 5787 W 28 140162 V 10/27-12 55 10 29 49 W 15 24 2 1 NW51 6152 W 26 143544 V 10/27-13 55 10 30 50 W 15 1 6004 W 25 134094 V 10/27-14 55 10 30 50 W 15 1 5856 W 24 124644 V 10/27-15 55 10 30 49 W 15 24 2 1 NW66 5709 NW 23 115194 V 10/27-16 55 10 30 49 W 15 1 4809 W 22 94129 G 10/27-17 55 10 28 49 W 14 1 3909 W 21 73064 G 10/27-18 26 0 26 49 NW 13 21 2 1 NW70 3507 W 21 61739 G 10/27-19 26 0 23 52 W 10 1 2465 W 16 41987 F 10/27-20 26 0 19 59 W 8 1 1424 W 12 22234 P 10/27-21 26 0 16 62 W 6 6 3 1 NW70 382 W 7 2482 P 10/27-22 26 0 14 66 SW 6 1 343 W 7 2204 P 10/27-23 26 0 13 70 SW 6 1 305 SW 7 1925 P 10/28-00 11 0 13 73 SW 6 6 3 1 NW60 266 SW 7 1647 P 10/28-01 11 0 12 73 SW 6 1 245 SW 7 1526 P 10/28-02 11 0 11 73 S 6 1 223 SW 7 1405 P 10/28-03 11 0 10 73 S 6 6 4 1 NW52 202 S 7 1283 P 10/28-04 11 0 10 74 S 6 1 192 S 7 1201 P 10/28-05 11 0 9 78 S 6 1 182 S 7 1118 P 10/28-06 0 0 8 82 S 6 6 5 1 W52 172 S 7 1036 P 10/28-07 0 0 8 81 S 6 1 186 S 7 1174 P 10/28-08 0 0 6 89 S 7 1 200 S 8 1313 P 10/28-09 0 0 6 95 S 7 7 5 1 W45 215 S 8 1451 P 10/28-10 0 0 12 79 S 7 1 312 S 8 2040 P 10/28-11 0 0 21 62 S 7 1 410 S 7 2630 P 10/28-12 0 0 29 49 S 7 7 5 1 W43 507 S 7 3219 P 10/28-13 0 0 35 41 S 6 1 782 S 7 4863 P 10/28-14 0 0 37 38 S 6 1 1056 SW 7 6507 P 10/28-15 0 0 40 34 S 5 5 4 1 W46 1331 SW 7 8151 P 10/28-16 0 0 40 36 S 3 1 1144 SW 7 7230 P 10/28-17 0 0 38 41 S 3 1 958 SW 8 6308 P 10/28-18 6 0 37 44 SW 3 3 4 1 W44 771 SW 8 5386 P 10/28-19 6 0 35 47 S 5 1 581 SW 8 4026 P 10/28-20 6 0 31 52 S 6 1 391 S 8 2665 P 10/28-21 6 0 29 56 S 7 7 5 1 W41 201 S 7 1304 P 10/28-22 6 0 28 60 S 7 1 186 S 7 1208 P 10/28-23 6 0 27 65 S 7 1 172 S 7 1112 P 10/29-00 6 0 26 69 S 7 7 5 1 W43 157 S 7 1016 P 10/29-01 6 0 26 70 S 7 1 151 S 7 981 P 10/29-02 6 0 25 71 S 7 1 146 S 7 946 P 10/29-03 6 0 24 72 S 7 7 4 1 W47 140 S 7 910 P 10/29-04 6 0 24 75 S 7 1 140 S 8 916 P 10/29-05 6 0 23 81 S 7 1 139 S 8 921 P 10/29-06 35 0 23 88 S 7 7 4 1 W48 138 S 8 927 P 10/29-07 35 0 23 91 S 7 1 161 SW 8 1131 P 10/29-08 35 0 21 100 S 7 1 184 SW 8 1335 P 10/29-09 35 0 21 100 S 7 7 3 1 W44 207 SW 8 1539 P 10/29-10 35 0 26 88 S 7 1 310 SW 9 2586 P 10/29-11 35 0 33 69 SW 8 1 414 SW 10 3633 P 10/29-12 35 0 39 55 SW 8 8 3 1 W39 517 SW 10 4681 P 10/29-13 35 0 44 48 SW 8 1 1147 SW 14 17351 P 10/29-14 35 0 46 45 SW 8 1 1777 W 17 30021 P 10/29-15 35 0 48 42 SW 9 9 3 1 W39 2408 W 21 42691 F 10/29-16 35 0 48 42 SW 9 1 1976 W 18 33454 P 10/29-17 35 0 45 47 SW 9 1 1544 W 17 24218 P 10/29-18 12 0 44 50 SW 9 9 3 1 W40 1112 W 15 14981 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...SARAH WESTENDORF REASON FOR REQUEST...PRESCRIBED .TAG 20101027.FHTR1.01/BOU