FNUS75 KBOU 101504 FWSBOU SPOT FORECAST FOR RALSTON ROOST...USFS NATIONAL WEATHER SERVICE DENVER CO 800 AM MST MON JAN 10 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE STORM SYSTEM WILL CONTINUE TO MOVE EAST OF COLORADO TODAY WITH CLEARING SKIES THIS MORNING. THERE IS ENOUGH INSTABILITY THIS AFTERNOON FOR A FEW SNOW SHOWERS. WESTERLY WINDS WILL INCREASE TONIGHT AS MOUNTAIN WAVE CONDITIONS DEVELOP WITH GUSTS UP TO 30 MPH AT TIMES. THE WIDNS WILL DECREASE TUESDAY AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). A SLIGHT CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....12. MIN HUMIDITY........56%. 20-FOOT WINDS.......EAST WINDS 9-15 MPH UNTIL 1500...THEN NORTH 7-8 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......2800-3800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2400...THEN CLEAR. AREAS OF BLOWING SNOW AFTER 2300. MIN TEMPERATURE.....-9. MAX HUMIDITY........65%. 20-FOOT WINDS.......WEST WINDS 10-20 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....WEST 17-28 MPH. MIXING HEIGHT.......1200-1800 FT AGL UNTIL 2000...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1100...THEN PARTLY CLOUDY(35-45%). AREAS OF BLOWING SNOW UNTIL 1100. MAX TEMPERATURE.....16. MIN HUMIDITY........35%. 20-FOOT WINDS.......WEST WINDS 13-23 MPH. GUSTS UP TO 35 MPH UNTIL LATE AFTERNOON. TRANSPORT WINDS.....WEST 25-36 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 1200-2200 FT AGL UNTIL 1600...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1500...THEN POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 11. HIGHS AROUND 30. WEST WINDS AROUND 13 MPH WITH GUSTS TO 30 MPH. .THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 14 MPH WITH GUSTS TO 35 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 0600 UNTIL 1800. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 10 MPH. FIRE WEATHER TABLE FOR RALSTON ROOST. +++ 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 01/10-07 91 60 8 64 E 5 1 3095 W 3 11023 P 01/10-08 88 60 8 65 E 6 6 2 1 W15 3324 W 5 14030 P 01/10-09 88 60 9 64 E 7 1 3839 W 6 21320 P 01/10-10 83 60 11 61 E 9 1 4353 NW 7 28610 P 01/10-11 83 30 12 58 E 10 16 2 1 W10 4868 NW 8 35900 P 01/10-12 77 30 12 56 E 12 1 4767 NW 9 37269 P 01/10-13 77 30 9 65 E 13 1 4666 NW 9 38637 P 01/10-14 70 30 11 58 E 12 18 2 1 W20 4565 NW 10 40006 F 01/10-15 70 30 10 59 NE 8 1 3774 NW 12 34984 P 01/10-16 70 30 9 60 N 5 1 2983 NW 13 29963 P 01/10-17 54 5 7 60 NW 2 2 2 1 NW23 2192 NW 13 24941 P 01/10-18 54 5 5 60 W 3 1 1730 NW 16 21458 P 01/10-19 54 5 4 58 W 7 1 1268 W 18 17975 P 01/10-20 54 5 2 56 W 10 16 2 1 W25 806 W 21 14492 P 01/10-21 54 5 1 54 W 13 1 732 W 23 14521 P 01/10-22 54 5 0 51 W 14 1 658 W 26 14550 P 01/10-23 4 0 -1 49 W 15 24 2 1 NW37 584 W 29 14579 P 01/11-00 4 0 -4 48 W 16 1 475 W 28 11697 P 01/11-01 4 0 -4 46 W 17 1 366 W 28 8815 P 01/11-02 1 0 -7 50 W 18 30 2 1 NW54 257 W 26 5933 P 01/11-03 1 0 -7 55 W 18 1 250 W 28 6030 P 01/11-04 1 0 -5 57 W 18 1 243 W 29 6128 P 01/11-05 21 0 -5 64 W 18 30 2 1 NW70 236 W 30 6225 P 01/11-06 21 0 -4 63 W 18 1 294 W 31 8185 P 01/11-07 21 0 -5 65 W 20 1 351 W 33 10145 P 01/11-08 21 0 0 53 W 21 33 2 1 NW77 408 W 35 12104 P 01/11-09 21 0 4 48 W 21 1 1024 W 35 30314 P 01/11-10 21 0 9 42 W 20 1 1640 W 35 48524 F 01/11-11 37 0 14 37 W 18 30 2 1 NW85 2256 W 35 66734 G 01/11-12 37 0 16 35 W 17 1 2051 W 36 62802 G 01/11-13 37 0 16 37 W 16 1 1847 W 37 58870 F 01/11-14 37 0 15 38 W 15 24 3 1 NW91 1643 W 38 54938 F 01/11-15 37 0 13 41 W 13 1 1206 W 33 38997 P 01/11-16 37 0 12 45 W 12 1 769 W 29 23057 P 01/11-17 40 0 10 49 W 10 10 3 1 NW78 332 W 24 7116 P 01/11-18 40 0 9 50 W 10 1 321 W 22 6186 P 01/11-19 40 0 7 51 W 12 1 310 W 20 5255 P 01/11-20 40 0 8 49 W 13 13 2 1 NW69 299 W 16 4325 P 01/11-21 40 0 8 50 W 13 1 262 W 15 3601 P 01/11-22 40 0 8 50 W 13 1 224 W 14 2877 P 01/11-23 40 0 7 52 W 13 13 2 1 NW59 187 W 14 2153 P 01/12-00 40 0 8 50 W 13 1 168 W 14 1982 P 01/12-01 40 0 8 49 W 13 1 150 W 14 1811 P 01/12-02 40 0 6 53 W 13 13 2 1 NW48 131 W 14 1640 P 01/12-03 40 0 12 43 W 13 1 167 W 15 2151 P 01/12-04 40 0 12 48 W 12 1 203 W 15 2662 P 01/12-05 55 0 13 51 W 12 12 2 1 NW40 239 W 15 3173 P 01/12-06 55 0 13 53 W 10 1 225 W 15 2852 P 01/12-07 55 0 11 63 W 10 1 210 W 14 2531 P 01/12-08 55 0 13 60 W 9 9 2 1 NW33 195 W 13 2210 P 01/12-09 55 0 18 53 W 8 1 910 W 16 16493 P 01/12-10 55 0 23 44 W 8 1 1624 W 20 30776 P 01/12-11 55 0 28 38 W 8 8 2 1 NW28 2338 W 22 45058 F 01/12-12 55 0 30 36 W 9 1 2309 W 24 48658 F 01/12-13 55 0 30 38 W 10 1 2280 W 26 52257 F 01/12-14 55 0 29 41 W 13 13 2 1 NW32 2251 W 29 55857 F 01/12-15 55 0 27 45 W 14 1 1766 W 30 44419 F 01/12-16 55 0 25 50 W 16 1 1281 W 30 32981 P 01/12-17 52 0 23 56 W 17 28 2 1 NW45 796 W 31 21542 P 01/12-18 52 0 22 59 W 18 1 702 W 31 18713 P 01/12-19 52 0 21 62 W 20 1 609 NW 30 15883 P 01/12-20 52 0 22 60 W 20 31 2 1 NW43 515 NW 29 13054 P 01/12-21 52 0 21 61 W 20 1 462 NW 28 11259 P 01/12-22 52 0 21 61 W 20 1 409 W 26 9464 P 01/12-23 52 0 21 62 W 20 31 2 1 NW44 356 W 25 7668 P 01/13-00 52 0 22 61 W 21 1 328 W 26 7389 P 01/13-01 52 0 22 62 W 21 1 300 W 28 7109 P 01/13-02 52 0 20 68 W 22 35 2 1 NW41 272 W 29 6829 P 01/13-03 52 0 25 57 W 23 1 452 W 32 13480 P 01/13-04 52 0 24 58 W 23 1 633 NW 35 20132 P 01/13-05 56 7 25 57 W 23 37 2 1 NW47 814 NW 38 26783 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/ENTREKIN REQUESTED BY...ALLEN GALAMORE REASON FOR REQUEST...PRESCRIBED .TAG 20110110.RALST.01/BOU