FNUS75 KBOU 041446 FWSBOU SPOT FORECAST FOR SLACK-WEISS RX PILES...USFS NATIONAL WEATHER SERVICE DENVER CO 846 AM MDT THU NOV 4 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MODERATE NORTHWEST FLOW WILL CONTINUE ALOFT AS AN UPPER LEVEL RIDGE OF HIGH PRESSURE REMAINS OVER THE SOUTHWESTERN STATES. THE AIRMASS WILL BE DRY AND STABLE TODAY WITH MOSTLY CLEAR SKIES. AS THE UPPER LEVEL RIDGE MOVES EAST OVER THE STATE FRIDAY NIGHT THROUGH SATURDAY...STRONG MIDDLE LEVEL WARMING WILL RESULT IN STRENGTHENING INVERSIONS WHICH WILL KEEP SMOKE DISPERSAL MAINLY POOR THROUGH SATURDAY. EXPECT TEMPERATURES TO WARM AND HUMIDITIES TO DECREASE SLIGHTLY WITH LIGHT WINDS THROUGH SATURDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....52. MIN HUMIDITY........35%. 20-FOOT WINDS.......SOUTH WINDS 5-6 MPH UNTIL 1200...THEN WEST. TRANSPORT WINDS.....SOUTH 4-8 MPH UNTIL 1200...THEN NORTHWEST 8-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 3800-4800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1400...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........5 MODERATE. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....27. MAX HUMIDITY........82%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN SOUTH AROUND 5 MPH. TRANSPORT WINDS.....SOUTHWEST AROUND 4 MPH. MIXING HEIGHT.......1200-2200 FT AGL UNTIL 2100...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .FRIDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....56. MIN HUMIDITY........28%. 20-FOOT WINDS.......SOUTHWEST WINDS 6-11 MPH. TRANSPORT WINDS.....SOUTHWEST 4-8 MPH UNTIL 1200...THEN WEST AROUND 12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 3600-4600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 8 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 8 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 0600 UNTIL 1800...THEN CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 9 MPH. FIRE WEATHER TABLE FOR SLACK-WEISS RX 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 11/04-08 19 0 22 100 S 6 1 176 S 6 798 P 11/04-09 19 0 26 97 S 6 6 5 1 NW38 186 S 6 891 P 11/04-10 19 0 34 71 S 6 1 1221 SW 7 11019 P 11/04-11 19 0 40 57 SW 5 1 2256 W 9 21147 P 11/04-12 21 0 45 46 W 5 5 5 1 NW33 3292 W 12 31275 P 11/04-13 21 0 49 41 W 5 1 4029 NW 12 39823 P 11/04-14 21 0 51 36 W 6 1 4766 NW 12 48371 F 11/04-15 21 0 52 35 W 6 6 4 1 NW35 5504 NW 12 56919 F 11/04-16 21 0 52 36 W 5 1 4415 NW 10 41593 F 11/04-17 21 0 48 41 W 3 1 3326 NW 8 26267 P 11/04-18 4 0 44 48 W 2 2 4 1 N37 2238 NW 6 10940 P 11/04-19 4 0 39 58 SW 2 1 1588 W 5 7595 P 11/04-20 4 0 37 61 SW 3 1 938 SW 5 4250 P 11/04-21 4 0 35 62 S 3 3 4 1 N32 289 SW 3 905 P 11/04-22 4 0 33 66 S 3 1 257 SW 3 763 P 11/04-23 4 0 33 65 SW 2 1 226 SW 3 620 P 11/05-00 4 0 32 68 SW 2 2 4 1 N25 195 SW 2 478 P 11/05-01 4 0 31 70 SW 3 1 183 SW 3 514 P 11/05-02 4 0 31 72 S 3 1 171 SW 3 550 P 11/05-03 4 0 30 75 S 5 5 3 1 NW25 159 S 5 587 P 11/05-04 4 0 29 77 S 5 1 151 S 5 560 P 11/05-05 4 0 29 81 S 5 1 143 S 5 533 P 11/05-06 5 0 28 82 S 5 5 3 1 NW29 135 S 5 506 P 11/05-07 5 0 28 79 S 5 1 215 S 5 954 P 11/05-08 5 0 31 68 S 5 1 296 SW 6 1401 P 11/05-09 5 0 37 53 S 5 5 3 1 N28 376 SW 6 1849 P 11/05-10 5 0 43 43 SW 6 1 1392 SW 8 12974 P 11/05-11 5 0 48 36 SW 7 1 2481 W 9 24464 P 11/05-12 5 0 51 34 SW 8 8 2 1 N18 3571 W 12 35954 P 11/05-13 5 0 53 31 SW 9 1 4138 W 12 42530 F 11/05-14 5 0 54 29 W 9 1 4706 W 12 49106 F 11/05-15 5 0 55 28 W 8 8 2 1 NW16 5273 W 13 55682 F 11/05-16 5 0 54 28 W 6 1 4288 W 12 44354 F 11/05-17 5 0 52 31 W 3 1 3303 W 12 33025 P 11/05-18 7 0 49 35 W 2 2 2 1 NW23 2318 W 10 21696 P 11/05-19 7 0 44 42 SW 2 1 1620 W 9 14829 P 11/05-20 7 0 41 47 SW 3 1 922 SW 7 7962 P 11/05-21 7 0 39 50 S 5 5 3 1 NW28 224 SW 6 1095 P 11/05-22 7 0 37 54 S 6 1 201 SW 6 1073 P 11/05-23 7 0 36 58 S 6 1 177 SW 7 1052 P 11/06-00 9 0 35 62 S 7 7 3 1 NW22 153 SW 8 1031 P 11/06-01 9 0 34 64 S 7 1 146 SW 8 973 P 11/06-02 9 0 34 65 SW 7 1 140 SW 8 915 P 11/06-03 9 0 33 65 SW 7 7 3 1 NW20 133 SW 7 858 P 11/06-04 9 0 32 66 SW 7 1 130 SW 7 815 P 11/06-05 9 0 32 66 SW 6 1 128 SW 7 773 P 11/06-06 7 1 31 68 SW 6 6 3 1 NW22 126 SW 7 731 P 11/06-07 7 1 31 69 SW 6 1 173 SW 7 1103 P 11/06-08 7 1 33 65 S 7 1 221 SW 8 1474 P 11/06-09 7 1 38 54 S 7 7 3 1 NW23 269 SW 8 1846 P 11/06-10 7 1 44 45 S 7 1 1301 SW 9 14084 P 11/06-11 7 1 49 38 SW 7 1 2334 SW 12 26322 P 11/06-12 6 1 51 34 SW 7 7 3 1 W23 3366 W 13 38560 P 11/06-13 6 1 53 31 SW 7 1 3765 W 14 44927 F 11/06-14 6 1 54 30 SW 8 1 4163 W 14 51294 F 11/06-15 6 1 54 28 SW 8 8 3 1 W22 4562 W 15 57660 F 11/06-16 6 1 54 29 SW 8 1 3816 W 14 47539 F 11/06-17 6 1 52 30 SW 9 1 3069 W 14 37418 P 11/06-18 11 8 49 34 SW 9 14 3 1 W20 2323 W 14 27296 P 11/06-19 11 8 45 40 SW 9 1 1619 W 13 18808 P 11/06-20 11 8 42 46 SW 9 1 915 W 12 10320 P 11/06-21 11 8 40 49 W 9 14 3 1 W15 211 W 10 1832 P 11/06-22 11 8 39 55 W 9 1 195 W 9 1615 P 11/06-23 11 8 38 60 W 8 1 179 W 9 1398 P 11/07-00 10 8 37 64 W 8 8 3 1 SW17 163 W 8 1181 P 11/07-01 10 8 36 68 W 8 1 159 W 8 1140 P 11/07-02 10 8 35 71 W 8 1 155 W 8 1099 P 11/07-03 10 8 35 73 W 8 8 3 1 W23 152 SW 8 1058 P 11/07-04 10 8 34 74 SW 7 1 146 SW 7 913 P 11/07-05 10 8 34 74 SW 6 1 140 SW 6 768 P 11/07-06 29 6 33 76 SW 5 5 3 1 W24 135 SW 6 623 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...CASEY CHEESBROUGH REASON FOR REQUEST...PRESCRIBED .TAG 20101104.SLACK.02/BOU