FNUS75 KBOU 111718 CCA FWSBOU SPOT FORECAST FOR RFB 9...USFS ...CORRECTION TO DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 1000 AM MST MON JAN 11 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY AND STABLE CONDITIONS WILL PERSIST RIGHT THROUGH TUESDAY AS THE REGION COMES UNDER THE INFLUENCE OF A LARGE HIGH PRESSURE SYSTEM. TYPICAL DIURNAL TEMPERATURE AND WIND PATTERNS SHOULD PREVAIL UNDER CLEAR TO MOSTLY CLEAR SKIES. WITH THE CLEAR SKIES...LOW DEW POINTS AND LIGHT WINDS NIGHTTIME INVERSIONS WILL BE SLOW TO DISSIPATE EXCEPT ON SOUTHEAST EXPOSURES. ONCE THESE SURFACE BASED INVERSIONS BREAK...THE OVERLYING STABLE ATMOSPHERE WILL LIKELY LIMIT THE VERTICAL MIXING AND DISPERSAL OF SMOKE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....44-47. MIN HUMIDITY........18-23%. WIND (20 FT)........WEST 6-12 MPH UNTIL 1200...THEN UPSLOPE/UPVALLEY 4-7 MPH. TRANSPORT WINDS.....WEST 8-15 MPH. MIXING HEIGHT.......RISING TO 2200-2800 FT AGL BY 1430. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLEAR WITH POOR RH RECOVERY. MIN TEMPERATURE.....28-31. MAX HUMIDITY........34-38%. WIND (20 FT)........WEST 8-13 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 5-10 MPH. MIXING HEIGHT.......LOWERING TO 700-1100 FT AGL BY 0500. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1600...THEN PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....45-50. MIN HUMIDITY........16-21%. WIND (20 FT)........WEST 7-13 MPH WITH GUSTS TO AROUND 25 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......RISING TO 1600-2200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS IN THE MID 20S. HIGHS AROUND 40. WEST WINDS AROUND 22 MPH WITH GUSTS TO AROUND 40 MPH. .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR RFB 9. +++ 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 01/11-09 0 0 30 38 W 8 1 760 W 7 3934 P 01/11-10 0 0 35 33 W 7 1 1353 W 7 6697 P 01/11-11 2 0 39 29 W 6 6 5 1 NE 9 1947 W 6 9461 P 01/11-12 2 0 43 26 W 6 1 2579 W 7 15809 P 01/11-13 2 0 45 24 W 5 1 3211 W 8 22158 P 01/11-14 2 0 46 23 W 5 5 5 1 N 2 3844 W 8 28507 P 01/11-15 2 0 46 23 W 5 1 3219 W 8 23773 P 01/11-16 2 0 44 24 W 6 1 2595 W 8 19039 P 01/11-17 4 0 41 26 W 6 8 5 1 W 5 1971 NW 8 14306 P 01/11-18 4 0 39 27 W 8 1 1503 W 8 10567 P 01/11-19 4 0 37 27 W 9 1 1035 W 7 6828 P 01/11-20 4 0 35 27 W 12 12 5 1 SW 2 568 W 6 3089 P 01/11-21 4 0 34 26 W 9 1 440 W 8 2686 P 01/11-22 4 0 32 26 W 10 1 312 W 10 2282 P 01/11-23 0 0 31 25 W 12 12 5 1 SW 6 184 W 12 1879 P 01/12-00 0 0 30 25 W 12 1 167 W 13 1851 P 01/12-01 0 0 29 26 W 12 1 150 W 14 1824 P 01/12-02 0 0 29 27 W 12 24 5 1 SW12 134 W 15 1797 P 01/12-03 0 0 28 28 W 12 1 130 W 14 1618 P 01/12-04 0 0 28 30 W 12 1 127 W 13 1438 P 01/12-05 24 0 28 32 W 10 12 5 1 SW16 123 W 12 1259 P 01/12-06 24 0 28 32 W 10 1 136 W 14 1650 P 01/12-07 24 0 29 32 W 12 1 141 W 16 1951 P 01/12-08 24 0 31 28 W 12 28 5 1 SW18 146 W 17 2251 P 01/12-09 24 0 35 25 W 10 1 444 W 17 6162 P 01/12-10 24 0 38 23 W 10 1 742 W 16 10073 P 01/12-11 24 0 41 20 W 10 24 5 1 SW22 1040 W 15 13984 P 01/12-12 24 0 43 19 W 9 1 1552 W 17 24329 P 01/12-13 24 0 45 19 W 9 1 2064 W 18 34673 P 01/12-14 24 0 46 19 W 9 28 5 1 SW28 2576 W 20 45018 F 01/12-15 24 0 45 20 W 9 1 2173 W 21 38484 P 01/12-16 24 0 44 21 W 9 1 1769 W 21 31950 P 01/12-17 36 0 40 24 W 10 31 5 1 SW25 1365 W 22 25415 P 01/12-18 36 0 39 25 W 21 1 1033 W 22 19396 P 01/12-19 36 0 36 28 W 21 1 700 W 23 13376 P 01/12-20 36 0 34 31 W 22 33 5 1 SW26 368 W 23 7356 P 01/12-21 36 0 33 31 W 22 1 331 W 23 6648 P 01/12-22 36 0 32 30 W 23 1 293 W 23 5940 P 01/12-23 36 0 31 29 W 23 35 5 1 SW29 255 W 23 5231 P 01/13-00 36 0 30 29 W 23 1 237 W 24 4908 P 01/13-01 36 0 30 30 W 24 1 218 W 24 4584 P 01/13-02 36 0 29 30 W 24 37 5 1 SW28 199 W 24 4260 P 01/13-03 36 0 29 32 W 24 1 205 W 24 4390 P 01/13-04 36 0 29 33 W 24 1 210 W 25 4521 P 01/13-05 56 0 27 35 W 24 37 3 1 SW16 216 W 25 4651 P 01/13-06 56 0 27 36 W 25 1 256 W 26 5854 P 01/13-07 56 0 28 37 W 25 1 297 W 28 7057 P 01/13-08 56 0 29 35 W 26 40 3 1 SW13 337 W 29 8260 P 01/13-09 56 0 32 36 W 26 1 975 W 29 25907 P 01/13-10 56 0 34 34 W 26 1 1613 W 30 43555 F 01/13-11 56 0 36 32 W 26 40 3 1 SW12 2251 W 31 61203 G 01/13-12 56 0 38 33 W 26 1 3166 W 29 76225 G 01/13-13 56 0 39 32 W 25 1 4080 W 26 91248 G 01/13-14 56 0 39 33 W 25 38 3 1 SW10 4995 W 24 106270 V 01/13-15 56 0 39 33 W 24 1 4646 W 23 94884 G 01/13-16 56 0 38 35 W 23 1 4297 W 22 83497 G 01/13-17 79 10 35 39 W 22 33 3 1 W10 3948 W 21 72110 G 01/13-18 79 10 33 43 W 20 1 3081 W 18 53146 F 01/13-19 79 10 31 47 W 17 1 2215 W 16 34182 P 01/13-20 79 10 30 51 W 15 15 2 1 SW 8 1348 W 13 15218 P 01/13-21 79 10 29 53 W 13 1 1145 W 12 11833 P 01/13-22 79 10 27 55 W 12 1 943 W 9 8449 P 01/13-23 79 10 26 56 W 9 9 2 1 S 7 741 W 8 5064 P 01/14-00 79 10 26 58 W 8 1 672 W 7 4090 P 01/14-01 79 10 25 58 W 6 1 604 W 6 3116 P 01/14-02 79 10 24 59 W 5 5 2 1 S 8 536 W 5 2141 P 01/14-03 79 10 24 60 W 3 1 743 W 5 2695 P 01/14-04 79 10 24 60 NW 2 1 949 NW 5 3249 P 01/14-05 78 20 24 65 CALM 1 2 1 SW 5 1156 NW 3 3802 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...CHAD BUSER REASON FOR REQUEST...PRESCRIBED .TAG 20100111.RFB9_.01/BOU