FNUS75 KBOU 312205 FWSBOU SPOT FORECAST FOR NFSR 250...USFS NATIONAL WEATHER SERVICE DENVER CO 405 PM MDT MON OCT 31 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA TUESDAY NIGHT AND WEDNESDAY WITH A RETURN TO SNOW AND COLDER TEMPERATURES. THE SNOW WILL BEGIN TO DEVELOP LATE TUESDAY AFTERNOON BEFORE ENDING BY WEDNESDAY AFTERNOON. SNOW ACCUMULATIONS WILL BE 5 TO 10 INCHES. DRIER AND A BIT WARMER AGAIN BY THURSDAY AS HIGH PRESSURE BUILDS OVER THE AREA. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....19. MAX HUMIDITY........100%. 20-FOOT WINDS.......SOUTHWEST WINDS 7-11 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......1000 FT AGL UNTIL 1900...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200...THEN CHANCE OF SNOW. MAX TEMPERATURE.....40. MIN HUMIDITY........57%. 20-FOOT WINDS.......SOUTHWEST WINDS 10-16 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 8-16 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .TUESDAY NIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 2400...THEN SNOW. MIN TEMPERATURE.....13. MAX HUMIDITY........98%. 20-FOOT WINDS.......NORTH WINDS 12-18 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....NORTH 5-16 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1900...THEN 1000-1600 FT AGL UNTIL 2200...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY UNTIL 1200. MAX TEMPERATURE.....26. MIN HUMIDITY........60%. 20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....NORTHEAST 4-12 MPH UNTIL 1200...THEN SOUTH 0-4 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 1400-2400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLEAR. NOT AS COOL. LOWS AROUND 9. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .FRIDAY...PARTLY CLOUDY. ISOLATED SNOW SHOWERS AFTER 0600 UNTIL 1200...THEN CHANCE OF SNOW. LOWS AROUND 19. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO 30 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 12. HIGHS AROUND 20. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 2. HIGHS IN THE MID 20S. SOUTHWEST WINDS AROUND 9 MPH. FIRE WEATHER TABLE FOR NFSR 250. +++ 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 WR AT 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 10/31-15 2 0 0 42 42 SW15 24 2 1 W45 1769 W16 25487 P 10/31-16 6 0 0 42 42 W14 22 2 1 W43 1544 W16 21472 P 10/31-17 9 0 0 41 42 W12 18 3 1 W41 1320 W15 17457 P 10/31-18 11 0 0 41 42 W10 16 3 1 W40 1096 W14 13442 P 10/31-19 11 0 0 37 47 W 9 14 3 1 W39 798 W13 9464 P 10/31-20 11 0 0 34 53 W 8 13 3 1 W39 500 W10 5487 P 10/31-21 11 0 0 31 60 W 7 7 3 1 W39 202 W 8 1509 P 10/31-22 11 0 0 28 67 W 7 7 3 1 W39 180 W 8 1318 P 10/31-23 11 0 0 26 73 W 7 7 3 1 W41 158 W 8 1127 P 11/01-00 22 2 0 24 78 SW 7 7 3 1 W43 136 W 8 937 P 11/01-01 22 2 0 23 81 SW 7 7 3 1 W43 135 W 8 886 P 11/01-02 22 2 0 22 82 SW 7 7 3 1 W43 135 SW 7 836 P 11/01-03 30 2 0 21 83 SW 7 7 3 1 W43 134 SW 7 786 P 11/01-04 30 2 0 21 85 SW 7 7 3 1 W44 134 SW 7 817 P 11/01-05 30 2 0 20 87 SW 7 7 3 1 W44 134 SW 7 849 P 11/01-06 40 10 2 20 90 SW 8 8 3 1 W45 135 SW 8 881 P 11/01-07 40 10 2 20 94 SW 8 13 3 1 W45 154 SW 8 1118 P 11/01-08 40 10 2 20 99 SW 8 13 3 1 W45 174 SW 9 1356 P 11/01-09 49 10 2 20 100 SW 8 14 3 1 W45 194 SW 9 1594 P 11/01-10 49 10 2 23 91 SW 9 15 3 1 W46 306 SW10 3137 P 11/01-11 49 10 2 27 77 SW12 17 4 1 W47 419 SW13 4679 P 11/01-12 63 41 18 31 66 SW13 20 4 1 W48 532 SW14 6222 P 11/01-13 63 41 18 35 60 SW14 22 4 1 W49 515 SW15 6546 P 11/01-14 63 41 18 37 57 SW15 24 4 1 W52 499 SW16 6871 P 11/01-15 71 49 25 38 57 SW16 25 4 1 W52 483 SW17 7195 P 11/01-16 71 49 25 37 61 SW16 26 4 1 W52 579 SW17 8386 P 11/01-17 71 49 25 34 71 W16 26 3 1 W49 675 W16 9577 P 11/01-18 88 83 73 31 80 W16 25 3 1 W46 772 W16 10768 P 11/01-19 88 83 73 29 85 W15 24 3 1 W44 1054 W16 14217 P 11/01-20 88 83 73 28 87 W14 23 3 1 W41 1337 NW15 17667 P 11/01-21 88 83 73 27 88 W13 21 3 1 W38 1620 NW15 21117 P 11/01-22 88 83 73 25 89 W10 16 4 1 SW31 205 W 9 1684 P 11/01-23 88 83 73 24 90 NW 7 7 4 1 SW25 209 NW 7 1324 P 11/02-00 99 83 73 22 89 NW 6 6 4 1 SW22 213 NW 6 964 P 11/02-01 99 83 73 21 89 N 6 6 4 1 SW18 229 NW 7 1346 P 11/02-02 99 83 73 20 88 N 8 8 3 1 W16 245 N 8 1727 P 11/02-03 99 83 73 18 89 N 9 15 3 1 W14 261 N 9 2108 P 11/02-04 99 83 73 17 91 N10 17 3 1 W10 290 N10 2604 P 11/02-05 99 83 73 16 94 N12 18 3 1 NW 8 319 N12 3100 P 11/02-06 92 68 50 15 97 N12 18 3 1 NW 7 349 NE12 3596 P 11/02-07 92 68 50 14 98 N10 16 3 1 NW 8 377 NE10 3158 P 11/02-08 92 68 50 14 98 N 8 8 2 1 NW10 406 NE 8 2720 P 11/02-09 92 68 50 15 96 N 6 6 2 1 NW13 435 NE 6 2282 P 11/02-10 92 68 50 16 89 N 6 6 2 1 NW15 967 NE 5 2426 P 11/02-11 92 68 50 19 80 NW 6 6 2 1 NW17 1499 E 3 2570 P 11/02-12 67 5 1 21 71 NW 6 6 2 1 NW20 2031 CALM 2714 P 11/02-13 67 5 1 24 64 NW 6 6 2 1 NW23 2281 SE 2 4408 P 11/02-14 67 5 1 26 60 NW 5 5 2 1 N25 2531 S 2 6101 P 11/02-15 67 5 1 26 60 W 5 5 2 1 N28 2781 S 3 7794 P 11/02-16 67 5 1 25 63 W 5 5 2 1 N31 1980 SW 3 5778 P 11/02-17 67 5 1 24 67 W 6 6 3 1 N33 1179 SW 5 3761 P 11/02-18 35 4 1 22 70 W 6 6 3 1 N35 378 W 6 1744 P 11/02-19 35 4 1 20 74 SW 6 6 3 1 N35 320 SW 5 1431 P 11/02-20 35 4 1 19 74 S 6 6 4 1 NW32 262 S 5 1118 P 11/02-21 35 4 1 17 73 SE 6 6 4 1 NW29 204 SE 5 804 P 11/02-22 35 4 1 16 71 SE 6 6 4 1 NW26 190 S 5 764 P 11/02-23 35 4 1 15 70 S 5 5 5 1 NW24 175 S 5 724 P 11/03-00 18 0 0 14 69 S 5 5 5 1 NW23 161 S 5 684 P 11/03-01 18 0 0 13 68 S 3 3 5 1 W22 150 S 5 578 P 11/03-02 18 0 0 13 67 SE 3 3 5 1 W23 140 S 3 472 P 11/03-03 18 0 0 12 67 SE 3 3 5 1 W23 130 S 3 365 P 11/03-04 18 0 0 11 68 S 5 5 5 1 W23 124 S 5 458 P 11/03-05 18 0 0 10 70 S 6 6 5 1 W23 119 S 6 552 P 11/03-06 13 0 0 10 72 SW 7 7 5 1 W24 113 SW 7 645 P 11/03-07 13 0 0 10 77 SW 7 7 5 1 W24 151 SW 7 973 P 11/03-08 13 0 0 10 83 SW 8 13 5 1 W24 190 SW 8 1301 P 11/03-09 13 0 0 11 86 SW 8 13 5 1 W24 228 SW 8 1630 P 11/03-10 13 0 0 14 84 SW 8 14 5 1 SW23 257 SW 9 1952 P 11/03-11 13 0 0 19 75 SW 9 14 5 1 SW23 285 SW 9 2275 P 11/03-12 13 0 0 24 64 SW 9 15 5 1 SW24 314 SW 9 2597 P 11/03-13 13 0 0 29 54 SW10 16 5 1 SW26 547 SW10 4959 P 11/03-14 13 0 0 33 47 SW10 17 5 1 SW31 779 SW10 7321 P 11/03-15 13 0 0 35 44 SW12 18 5 1 SW35 1011 SW12 9683 P 11/03-16 13 0 0 34 46 SW13 20 5 1 SW38 753 SW12 7354 P 11/03-17 13 0 0 32 50 SW13 21 5 1 SW41 494 SW13 5025 P 11/03-18 19 0 0 30 54 SW14 22 5 1 W45 236 SW13 2696 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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/SWE REQUESTED BY...SARAH WESTENDORF REASON FOR REQUEST...PRESCRIBED .TAG 20111031.NFSR2.01/BOU