FNUS75 KBOU 021659 FWSBOU SPOT FORECAST FOR GOLD HILL...USFS NATIONAL WEATHER SERVICE DENVER CO 952 AM MST WED DEC 2 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD AND STABLE AIRMASS WILL CONTINUE OVER THE REGION THROUGH THURSDAY. LIGHT SNOW ASSOCIATED WITH UPSLOPE ALONG THE FRONT RANGE IS EXPECTED TO WEAKEN THROUGH THE DAY. ADDITIONAL ACCUMULATIONS WILL BE LESS THAN ONE INCH. THERE WILL BE A SLIGHT CHANCE OF SNOW THIS EVENING...THEN ANOTHER SYSTEM IS EXPECTED TO MOVE THROUGH THE FRONT RANGE LATE TONIGHT INTO THURSDAY. ADDITIONAL ACCUMULATIONS ON THURSDAY OF UP TO 2 INCHES ARE POSSIBLE. THE INVERSION ASSOCIATED WITH THIS COLD AIRMASS IS UP TO NEARLY 10000 FEET. WITH THIS IN PLACE...SMOKE DISPERSAL WILL BE FAIR AT BEST FOR TODAY AND THURSDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. LIGHT SNOW LIKELY UNTIL 1200 ...THEN CHANCE OF SNOW. MAX TEMPERATURE.....13-17. MIN HUMIDITY........66-72%. 20-FOOT WINDS.......NORTHEAST 7-8 MPH UNTIL 1500...THEN SOUTHEAST 5-6 MPH. TRANSPORT WINDS.....WEST 8-16 MPH. MIXING HEIGHT.......3800-4800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 0300 THEN LIGHT SNOW LIKELY. MIN TEMPERATURE.....ZERO TO 5 ABOVE. MAX HUMIDITY........65-70%. 20-FOOT WINDS.......NORTHEAST UP TO 4-8 MPH UNTIL 2100...THEN NORTHWEST 6-12 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......3600-4400 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 2000...THEN POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY UNTIL 1800...THEN PARTLY CLOUDY(50-60%). SNOW LIKELY UNTIL 1100...THEN SLIGHT CHANCE OF SNOW. ACCUMULATIONS UP TO 2 INCHES. MAX TEMPERATURE.....11-14. MIN HUMIDITY........64-68%. 20-FOOT WINDS.......SOUTHEAST 5-9 MPH UNTIL 1500...THEN EAST 4-5 MPH. TRANSPORT WINDS.....WEST 5-15 MPH. MIXING HEIGHT.......4600-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 5. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 12. HIGHS IN THE MID 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600...THEN CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 18. HIGHS AROUND 30. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GOLD HILL. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE DIGITAL DATABASE. VALUES IN THE TABLE MAY NOT AGREE WITH INFORMATION IN THE NARRATIVE FORECAST. INFORMATION CONTAINED IN THIS TABLE SHOULD NOT BE CONSIDERED AN OFFICIAL 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 12/02-09 85 80 13 98 NE 5 1 3056 NW 10 29901 P 12/02-10 85 80 14 84 NE 5 1 3778 W 13 42264 F 12/02-11 83 60 15 73 NE 5 5 2 1 W52 4499 W 14 54627 F 12/02-12 83 60 16 69 NE 5 1 4638 W 14 55557 F 12/02-13 83 60 16 67 E 5 1 4777 W 14 56487 F 12/02-14 83 60 16 66 E 5 5 2 1 W53 4917 W 14 57416 F 12/02-15 83 60 16 66 E 5 1 4812 W 14 55990 F 12/02-16 83 60 16 66 SE 3 1 4707 W 14 54564 F 12/02-17 78 40 13 69 SE 3 3 2 1 W46 4602 W 14 53138 F 12/02-18 78 40 12 69 E 2 1 4335 W 13 46124 F 12/02-19 78 40 11 69 NE 2 1 4067 W 10 39110 P 12/02-20 78 40 11 68 N 2 2 2 1 W35 3799 W 9 32097 P 12/02-21 78 40 10 68 N 5 1 3838 W 9 32264 P 12/02-22 78 40 10 68 NW 7 1 3876 W 9 32432 P 12/02-23 78 40 9 68 W 9 9 2 1 W30 3915 W 9 32599 P 12/03-00 78 40 9 68 W 10 1 3825 W 9 30074 P 12/03-01 78 25 9 67 W 10 1 3735 NW 8 27548 P 12/03-02 78 25 8 67 W 10 10 2 1 W23 3645 NW 8 25023 P 12/03-03 78 25 8 66 W 10 1 3700 NW 6 20109 P 12/03-04 78 25 7 67 W 9 1 3756 N 5 15195 P 12/03-05 82 44 7 68 NE 3 3 2 1 NW28 3811 N 3 10282 P 12/03-06 82 44 7 64 E 3 1 4720 NW 5 19405 P 12/03-07 82 44 7 67 SE 3 1 4756 W 6 24722 P 12/03-08 82 44 7 69 SE 3 3 2 1 NW28 4791 W 7 30039 P 12/03-09 82 44 10 68 SE 5 1 4883 W 8 36700 P 12/03-10 82 44 11 67 SE 6 1 4974 W 10 43361 F 12/03-11 82 20 12 67 SE 6 6 2 1 NW26 5066 W 12 50022 F 12/03-12 82 20 13 66 SE 6 1 5060 W 13 55760 F 12/03-13 82 20 13 65 S 5 1 5054 W 14 61498 G 12/03-14 82 20 13 65 S 3 3 2 1 NW23 5048 W 15 67236 G 12/03-15 82 20 13 65 SE 3 1 4890 W 14 60632 G 12/03-16 82 20 12 66 E 3 1 4733 NW 13 54028 F 12/03-17 53 10 10 71 NE 3 3 2 1 NW25 4575 NW 12 47424 F 12/03-18 53 10 9 73 N 2 1 4220 NW 12 41997 F 12/03-19 53 10 8 74 NW 2 1 3865 W 10 36571 P 12/03-20 53 10 7 73 W 2 2 2 1 NW23 3511 W 10 31144 P 12/03-21 53 10 7 72 W 3 1 3101 W 10 27860 P 12/03-22 53 10 7 71 W 5 1 2691 W 10 24576 P 12/03-23 53 9 6 72 W 7 7 2 1 N17 2281 W 10 21293 P 12/04-00 53 9 6 76 W 8 1 1889 W 10 17435 P 12/04-01 53 9 5 81 W 9 1 1496 W 10 13577 P 12/04-02 53 9 5 87 W 10 10 2 1 N16 1104 W 10 9719 P 12/04-03 53 9 5 95 W 12 1 977 W 10 8808 P 12/04-04 53 9 4 100 W 13 1 850 W 10 7898 P 12/04-05 60 5 4 100 W 13 13 3 1 N20 724 W 12 6987 P 12/04-06 60 5 4 100 W 13 1 900 W 12 8926 P 12/04-07 60 5 5 100 W 12 1 1076 W 12 10866 P 12/04-08 60 5 8 100 W 10 10 2 1 N24 1252 W 12 12805 P 12/04-09 60 5 13 81 W 10 1 2508 NW 14 34116 P 12/04-10 60 5 19 65 W 9 1 3764 NW 16 55427 F 12/04-11 60 5 23 56 W 9 9 3 1 N29 5020 NW 17 76739 G 12/04-12 60 5 26 50 W 10 1 5246 NW 17 76691 G 12/04-13 60 5 27 48 W 12 1 5472 NW 16 76643 G 12/04-14 60 5 28 47 W 14 14 2 1 N30 5697 NW 15 76595 G 12/04-15 60 5 27 47 W 15 1 5220 NW 17 77181 G 12/04-16 60 5 26 48 W 17 1 4742 NW 20 77767 G 12/04-17 50 5 22 54 W 20 31 2 1 NW37 4264 NW 21 78352 G 12/04-18 50 5 20 57 W 22 1 3409 NW 23 65521 G 12/04-19 50 5 18 63 W 24 1 2554 W 25 52690 F 12/04-20 50 5 17 68 W 25 40 3 1 NW38 1699 W 26 39858 P 12/04-21 50 5 16 69 W 24 1 1489 W 24 32161 P 12/04-22 50 5 16 70 W 22 1 1279 W 21 24464 P 12/04-23 40 5 15 71 W 20 31 4 1 NW55 1069 W 18 16767 P 12/05-00 40 5 14 74 W 20 1 966 W 20 16347 P 12/05-01 40 5 13 78 W 21 1 863 W 22 15927 P 12/05-02 40 5 13 81 W 22 35 4 1 NW56 760 W 23 15507 P 12/05-03 40 5 12 87 W 23 1 628 W 23 12515 P 12/05-04 40 5 11 94 W 23 1 496 W 22 9523 P 12/05-05 55 5 11 100 W 21 33 2 1 NW52 364 W 21 6531 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...BOULDER COUNTY SHERIFF S OFFICE REASON FOR REQUEST...PRESCRIBED .TAG 20091202.GOLDH.01/BOU