FNUS75 KBOU 151714 FWSBOU SPOT FORECAST FOR SHADED FUELS BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 1012 AM MST THU JAN 15 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DOWNSLOPE FLOW OFF THE FRONT RANGE WILL COMBINE WITH A DRIER ATMOSPHERE ALOFT TO KEEP SKIES PRETTY MUCH MOSTLY SUNNY OVER THE FOOTHILLS OF SOUTHERN JEFFERSON...WESTERN DOUGLAS AND EASTERN PARK COUNTIES THE REST OF TODAY. OVERNIGHT...NORTHWEST WINDS WILL TRANSITION TO A LIGHT DRAINAGE FLOW PATTERN AS SKIES REMAIN CLEAR. DRY AND WARMER CONDITIONS ARE ON TAP FOR TOMORROW AS A MASSIVE FAIR WEATHER HIGH PRESSURE SYSTEM NOW OVER THE WEST COAST AND GREAT BASIN INCH CLOSER TO COLORADO. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....37-41. MIN HUMIDITY........28-34%. 20-FOOT WINDS.......WEST-NORTHWEST 4-10 MPH. TRANSPORT WINDS.....NORTHWEST 9-20 MPH. MIXING HEIGHT.......RISING TO 4000-5000 FT AGL BY 1500. SMOKE DISPERSAL.....POOR UNTIL 1100. GOOD AFTER 1300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....15-21. MAX HUMIDITY........64-71%. 20-FOOT WINDS.......WEST 7-12 MPH UNTIL 1900...THEN DOWNSLOPE/ DOWNVALLEY 3-8 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 2000...LOWERING TO 200- 400 FT AGL AFTER MIDNIGHT. SMOKE DISPERSAL.....FAIR UNTIL 1900...THEN POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY AND WARMER. MAX TEMPERATURE.....46-52. MIN HUMIDITY........23-27%. 20-FOOT WINDS.......WEST 8-13 MPH. TRANSPORT WINDS.....NORTHWEST 9-16 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1100...THEN 4000-5000 FT AGL UNTIL 1700...THEN 2000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1300...THEN GOOD UNTIL 1600...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE UPPER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLEAR. LOWS AROUND 20. HIGHS AROUND 50. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MARTIN LUTHER KING JR DAY...MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS AROUND 50. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SHADED FUELS BREAK. +++ 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 01/15-09 47 0 27 54 W 5 1 2037 NW 10 21258 P 01/15-10 34 0 30 45 NW 3 1 3195 NW 12 36012 P 01/15-11 34 0 34 36 NW 3 3 2 1 N48 4352 NW 14 50766 F 01/15-12 41 0 36 36 NW 3 1 4678 NW 15 60957 G 01/15-13 41 0 37 39 N 2 1 5005 NW 16 71148 G 01/15-14 41 0 38 41 CALM 1 2 1 N43 5331 N 17 81339 G 01/15-15 41 0 37 40 N 2 1 4844 N 17 74397 G 01/15-16 41 0 36 39 N 2 1 4358 N 18 67455 G 01/15-17 9 0 34 41 N 2 2 2 1 N41 3872 N 18 60513 G 01/15-18 9 0 32 38 W 5 1 2714 NW 14 41144 F 01/15-19 9 0 29 44 W 7 1 1556 NW 10 21775 P 01/15-20 9 0 26 50 W 8 8 2 1 N47 397 NW 7 2406 P 01/15-21 9 0 24 54 W 9 1 315 W 7 1978 P 01/15-22 9 0 23 58 W 9 1 234 W 8 1550 P 01/15-23 8 0 22 67 W 9 9 2 1 N46 152 W 8 1123 P 01/16-00 8 0 21 70 W 9 1 143 W 9 1095 P 01/16-01 8 0 21 72 W 10 1 134 W 9 1067 P 01/16-02 8 0 21 73 W 10 10 2 1 N43 124 W 9 1040 P 01/16-03 8 0 20 75 W 10 1 117 W 10 1062 P 01/16-04 8 0 19 75 W 10 1 110 W 12 1085 P 01/16-05 0 0 19 70 W 12 12 2 1 N41 103 W 13 1108 P 01/16-06 0 0 20 69 W 12 1 198 W 13 2091 P 01/16-07 0 0 21 66 W 12 1 231 W 12 2384 P 01/16-08 0 0 24 58 W 10 10 2 1 NW32 263 W 12 2677 P 01/16-09 0 0 29 47 W 9 1 1282 W 12 12675 P 01/16-10 0 0 34 39 W 8 1 2301 NW 12 22673 P 01/16-11 0 0 39 32 W 7 7 3 1 NW29 3320 NW 12 32671 P 01/16-12 0 0 43 27 W 7 1 4225 NW 14 52135 F 01/16-13 0 0 46 25 W 7 1 5131 NW 15 71599 G 01/16-14 0 0 47 24 W 8 8 3 1 NW30 6036 NW 17 91063 G 01/16-15 0 0 46 24 W 8 1 4682 NW 17 69866 G 01/16-16 0 0 44 26 W 8 1 3327 NW 16 48670 F 01/16-17 27 0 39 31 W 9 9 3 1 NW31 1972 W 16 27473 P 01/16-18 27 0 36 34 W 12 1 1572 W 16 22112 P 01/16-19 27 0 33 37 W 13 1 1172 W 16 16750 P 01/16-20 27 0 31 39 W 14 22 3 1 NW28 771 W 17 11389 P 01/16-21 27 0 29 42 W 14 1 616 W 16 8870 P 01/16-22 27 0 27 45 W 13 1 460 W 15 6352 P 01/16-23 27 0 25 47 W 12 12 3 1 NW24 304 W 15 3833 P 01/17-00 27 0 23 48 W 13 1 269 W 14 3359 P 01/17-01 27 0 22 49 W 13 1 234 W 14 2885 P 01/17-02 27 0 21 50 W 14 22 3 1 NW26 199 W 14 2411 P 01/17-03 27 0 21 50 W 13 1 196 W 14 2353 P 01/17-04 27 0 20 50 W 13 1 194 W 14 2296 P 01/17-05 34 0 20 49 W 13 13 3 1 NW28 192 W 14 2239 P 01/17-06 34 0 21 48 W 12 1 249 W 13 2510 P 01/17-07 34 0 22 47 W 12 1 306 NW 10 2781 P 01/17-08 34 0 26 40 W 10 10 3 1 NW22 363 NW 9 3052 P 01/17-09 34 0 30 34 W 8 1 2206 NW 9 16506 P 01/17-10 34 0 35 29 NW 5 1 4049 N 9 29959 P 01/17-11 34 0 39 25 NW 2 2 3 1 NW17 5891 N 8 43413 F 01/17-12 34 0 42 23 N 2 1 6578 N 10 60523 G 01/17-13 34 0 45 21 NE 3 1 7264 N 12 77633 G 01/17-14 34 0 46 20 NE 5 5 2 1 N22 7950 N 14 94743 G 01/17-15 34 0 45 21 NE 5 1 7272 N 14 88896 G 01/17-16 34 0 43 23 NE 5 1 6594 N 15 83049 G 01/17-17 24 0 38 27 NE 3 3 2 1 NE26 5917 N 15 77202 G 01/17-18 24 0 35 30 NE 2 1 4741 N 14 60200 G 01/17-19 24 0 33 33 N 2 1 3566 N 14 43199 F 01/17-20 24 0 31 35 N 2 2 2 1 NE28 2390 N 13 26198 P 01/17-21 24 0 28 37 N 2 1 1762 N 10 18497 P 01/17-22 24 0 26 39 NW 2 1 1133 N 9 10796 P 01/17-23 24 0 25 41 W 2 2 2 1 NE28 505 N 7 3096 P 01/18-00 24 0 23 45 W 3 1 413 NW 6 2388 P 01/18-01 24 0 22 48 W 3 1 322 NW 6 1681 P 01/18-02 24 0 21 50 W 3 3 3 1 NE29 231 NW 5 974 P 01/18-03 24 0 21 51 W 5 1 219 NW 6 988 P 01/18-04 24 0 20 51 W 5 1 207 W 6 1002 P 01/18-05 26 0 20 50 W 6 6 4 1 NE30 195 W 6 1016 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...KRIS HEINY REASON FOR REQUEST...PRESCRIBED .TAG 20090115.SHADE.01/BOU