FNUS75 KBOU 301420 FWSBOU SPOT FORECAST FOR DOME FIRE...USFS NATIONAL WEATHER SERVICE DENVER CO 810 AM MDT SAT OCT 30 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...ANOTHER ROUND OF STRONG AND VERY GUSTY DOWNSLOPE WINDS POSSIBLE LATE TONIGHT AND EARLY SUNDAY MORNING... .DISCUSSION...WINDS HAVE EASED THIS MORNING AND WILL REMAIN SO THROUGH MUCH OF THE DAY AS THE PRESSURE GRADIENT ACROSS THE REGION HAS RELAXED. AS THE AIRMASS BECOMES A BIT MORE UNSTABLE TODAY... SMOKE DISPERSAL SHOULD IMPROVE EVEN WITH LIGHTER TRANSPORT WINDS. BY NIGHTFALL LOOK FOR AN INCREASE IN MID AND HIGH LEVEL CLOUDS DURING THE EVENING AS AN FAIRLY WEAK UPPER LEVEL WEATHER DISTURBANCE RACES OUT OF THE GREAT BASIN. THIS DISTURBANCE IS EXPECTED TO PASS OVER THE NORTH CENTRAL MOUNTAINS OF COLORADO OVERNIGHT PRODUCING AREAS OF LIGHT SNOW PRIMARILY ALONG AND WEST OF THE CONTINENTAL DIVIDE. THE FOOTHILLS OF BOULDER COUNTY MAY POSSIBLY SEE A BRIEF LIGHT SHOWER WITH ITS PASSAGE. HOWEVER IT IS LATER TONIGHT AND EARLY SUNDAY MORNING AFTER THIS SYSTEM MOVES QUICKLY EAST OF THE AREA THAT WE COULD SEE SEVERAL HOURS OF STRONG AND VERY GUSTY DOWNSLOPE WINDS. SO BE ADVISED. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1000...THEN MOSTLY SUNNY UNTIL 1500...THEN PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....67-71. MIN HUMIDITY........16-23%. 20-FOOT WINDS.......WEST WINDS 5-13 MPH UNTIL 0900...THEN SOUTH AROUND 6 MPH UNTIL 1200...THEN SOUTHEAST 5-10 MPH. TRANSPORT WINDS.....SOUTHWEST 8-14 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000. 6400-7400 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0200...THEN PARTLY CLOUDY (50-60%). SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 0200. THEN BECOMING WINDY. MIN TEMPERATURE.....37-42. MAX HUMIDITY........39-45%. 20-FOOT WINDS.......WINDY. NORTHWEST WINDS 7-11 MPH UNTIL 2100...THEN WEST 8-14 MPH UNTIL 2400...THEN 13-23 MPH TIL 0300...THEN 25-35 MPH WITH GUSTS TO AROUND 50 MPH. TRANSPORT WINDS.....SOUTHWEST 8-12 MPH UNTIL 2400...THEN WEST 25-35 MPH. MIXING HEIGHT.......5200 FT AGL UNTIL 1900...THEN 3600 FT AGL UNTIL 2000...THEN 2000 FT AGL UNTIL 2100...THEN BELOW 1000 FT AGL UNTIL 0300...THEN 1200-1400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0400...THEN FAIR. HAINES INDEX........3 VERY LOW. .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(35-45%). MAX TEMPERATURE.....59. MIN HUMIDITY........27%. 20-FOOT WINDS.......WINDY IN THE MORNING. WEST WINDS 17-26 MPH WITH GUSTS TO AROUND 45 MPH UNTIL 0900...THEN NORTHWEST 7-13 MPH WITH GUSTS TO AROUND 30 MPH. TRANSPORT WINDS.....NORTHWEST 16-24 MPH UNTIL 1200...THEN WEST 8-12 MPH. MIXING HEIGHT.......6000-7000 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1400...THEN GOOD. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND 8 MPH WITH GUSTS TO 20 MPH. .TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH WITH GUSTS TO 20 MPH. .WEDNESDAY...CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. FIRE WEATHER TABLE FOR DOME FIRE. +++ 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 10/30-07 6 0 45 33 W 8 1 229 W 12 2108 P 10/30-08 6 0 47 32 W 5 1 274 W 9 1962 P 10/30-09 6 0 49 29 W 2 2 3 1 W31 320 W 7 1816 P 10/30-10 6 0 54 25 SW 2 1 1991 W 8 19171 P 10/30-11 6 0 60 21 SE 5 1 3661 SW 10 36525 P 10/30-12 6 0 64 18 E 6 6 3 1 SW26 5331 SW 12 53880 F 10/30-13 6 0 66 16 E 6 1 6278 SW 13 67952 G 10/30-14 6 0 68 15 E 7 1 7225 SW 13 82024 G 10/30-15 49 0 68 14 E 7 7 2 1 SW20 8172 SW 14 96097 G 10/30-16 49 0 67 14 E 8 1 7210 SW 12 75410 G 10/30-17 49 0 66 16 N 9 1 6248 S 9 54724 F 10/30-18 66 10 63 18 N 9 15 2 1 SW24 5286 S 7 34037 P 10/30-19 66 10 59 23 N 9 1 3669 SW 7 23605 P 10/30-20 66 10 55 31 W 8 1 2052 W 7 13173 P 10/30-21 66 10 51 39 W 8 13 3 1 SW30 435 W 7 2740 P 10/30-22 66 10 49 43 W 9 1 386 W 9 3005 P 10/30-23 66 10 48 45 W 10 1 337 W 12 3269 P 10/31-00 59 20 47 46 W 13 21 3 1 S28 288 SW 14 3533 P 10/31-01 59 20 46 47 W 17 1 587 W 22 15033 P 10/31-02 59 20 45 47 W 23 1 885 W 30 26533 P 10/31-03 59 20 45 47 W 26 43 2 1 SW17 1184 W 37 38033 P 10/31-04 59 20 45 48 W 29 1 1336 W 36 40685 F 10/31-05 59 20 44 48 W 29 1 1489 W 33 43338 F 10/31-06 28 0 44 47 W 26 43 2 1 W 5 1642 W 32 45990 F 10/31-07 28 0 44 47 W 23 1 2253 NW 25 43832 F 10/31-08 28 0 45 45 W 17 1 2864 NW 20 41673 F 10/31-09 28 0 50 37 W 12 18 2 1 NW15 3475 NW 13 39515 P 10/31-10 28 0 53 32 W 9 1 4346 NW 12 39018 P 10/31-11 28 0 56 29 NW 8 1 5217 NW 9 38521 P 10/31-12 40 0 57 28 NW 8 8 2 1 W14 6088 NW 7 38024 P 10/31-13 40 0 58 27 NW 7 1 6520 W 8 47250 F 10/31-14 40 0 58 27 NW 7 1 6952 W 9 56476 F 10/31-15 40 0 59 27 NW 6 6 2 1 W15 7384 W 10 65703 G 10/31-16 40 0 58 28 NW 5 1 6634 W 12 63065 G 10/31-17 40 0 57 29 NW 5 1 5884 W 12 60428 G 10/31-18 78 10 54 32 NW 5 5 2 1 SW17 5134 W 13 57791 F 10/31-19 78 10 51 36 NW 6 1 3971 W 12 42771 F 10/31-20 78 10 49 39 W 7 1 2808 W 10 27752 P 10/31-21 78 10 48 40 W 8 8 2 1 SW20 1644 W 9 12732 P 10/31-22 78 10 47 42 W 8 1 1295 W 10 10885 P 10/31-23 78 10 46 42 W 9 1 946 W 13 9038 P 11/01-00 73 20 45 43 W 9 9 2 1 W17 597 W 14 7191 P 11/01-01 73 20 44 44 W 9 1 602 W 14 7422 P 11/01-02 73 20 44 44 W 10 1 607 W 15 7652 P 11/01-03 73 20 43 46 W 10 10 2 1 W10 613 W 15 7883 P 11/01-04 73 20 43 47 W 10 1 697 W 15 9130 P 11/01-05 73 20 42 50 W 9 1 782 NW 15 10378 P 11/01-06 73 20 42 52 W 9 9 2 1 NW16 866 NW 15 11626 P 11/01-07 73 20 42 53 W 10 1 1408 NW 15 18616 P 11/01-08 73 20 43 52 W 12 1 1950 NW 15 25607 P 11/01-09 73 20 45 48 W 13 21 2 1 N15 2492 NW 15 32598 P 11/01-10 73 20 47 44 NW 12 1 3951 NW 13 40727 F 11/01-11 73 20 48 41 NW 9 1 5410 N 12 48857 F 11/01-12 37 0 49 40 NW 7 7 2 1 N16 6869 N 9 56986 F 11/01-13 37 0 50 40 NW 6 1 6512 N 9 53161 F 11/01-14 37 0 50 40 N 6 1 6155 NW 9 49336 F 11/01-15 37 0 51 40 N 5 5 2 1 N28 5798 NW 9 45512 F 11/01-16 37 0 50 41 N 3 1 4872 NW 8 34402 P 11/01-17 37 0 50 43 NE 2 1 3946 N 6 23293 P 11/01-18 9 0 48 44 E 2 2 2 1 N41 3020 N 5 12183 P 11/01-19 9 0 47 47 SE 5 1 2301 NW 3 8747 P 11/01-20 9 0 45 48 S 7 1 1581 W 3 5312 P 11/01-21 9 0 45 48 SW 9 9 2 1 N44 862 SW 2 1876 P 11/01-22 9 0 44 48 W 10 1 801 SW 3 2371 P 11/01-23 9 0 44 48 W 10 1 739 W 5 2866 P 11/02-00 9 0 43 47 W 10 10 2 1 N37 678 W 6 3360 P 11/02-01 9 0 43 47 W 10 1 652 W 6 3299 P 11/02-02 9 0 43 47 W 10 1 626 W 6 3238 P 11/02-03 9 0 43 47 W 10 10 3 1 N29 600 W 6 3177 P 11/02-04 9 0 42 47 W 10 1 509 W 7 2923 P 11/02-05 9 0 42 47 W 12 1 418 W 8 2669 P 11/02-06 10 0 42 48 W 12 18 2 1 N31 327 W 8 2415 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...BAKER WFO BOULDER REQUESTED BY...EOC OPS CHIEF REASON FOR REQUEST...WILDFIRE .TAG 20101030.DOMEF.01/BOU