FNUS75 KBOU 140112 FWSBOU SPOT FORECAST FOR JAMES CREEK RFB 9...USFS NATIONAL WEATHER SERVICE DENVER CO 610 PM MST WED JAN 13 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LOW PRESSURE SYSTEM MOVING ACROSS THE EASTERN GREAT BASIN THIS WEDNESDAY EVENING WILL PASS OVER THE WESTERN VALLEYS AND MOUNTAIN AREAS OF COLORADO ON THURSDAY...LOOSING MOISTURE AND ENERGY ALONG THE WAY. IT NOW APPEARS THIS WEATHER SYSTEM WILL HAVE LITTLE IMPACT ON AREAS EAST OF THE CONTINENTAL DIVIDE OTHER THAN AN INCREASE IN CLOUDS...COOLER TEMPERATURES AND PERHAPS A FEW SNOW SHOWERS MOVING OFF THE DIVIDE. CONDITIONS SHOULD IMPROVE THURSDAY NIGHT INTO FRIDAY MORNING WITH THIS WEAK SYSTEM EXITING THE AREA. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. MIN TEMPERATURE.....28-33 MAX HUMIDITY........30-34%. WIND (20 FT)........WEST 7-12 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 3-8 MPH. TRANSPORT WINDS.....WEST 6-12 MPH. MIXING HEIGHT.......LOWERING TO AROUND 800 FT AGL AFTER 2400. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1100. MAX TEMPERATURE.....35-40. MIN HUMIDITY........37-42%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTHWEST UP TO 8 MPH BECOMING NORTHWEST 8-15 MPH AFTER 1600. MIXING HEIGHT.......1400-2800 FT AGL UNTIL 1100...THEN 3600-4600 FT AGL BY 1400. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0500. MIN TEMPERATURE.....22-26. MAX HUMIDITY........64-72%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2400...THEN WEST 9-15 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......1200-2200 FT AGL UNTIL 2000...LOWERING TO AROUND 700 FT AGL BY 0500. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200...THEN MOSTLY SUNNY. MAX TEMPERATURE.....40-45. MIN HUMIDITY........35-42%. WIND (20 FT)........WEST 8-14 MPH. GUSTS UP TO 25 MPH IN THE MORNING. TRANSPORT WINDS.....NORTHWEST 8-16 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 1100...THEN 3400-4000 FT AGL BY 1600. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 13 MPH WITH GUSTS TO AROUND 20 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS AROUND 40. WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 25 MPH. .MARTIN LUTHER KING JR DAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 11 MPH WITH GUSTS TO AROUND 20 MPH. .TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND 20 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR JAMES CREEK 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 01/13-17 51 0 33 42 W 9 9 2 1 W20 1905 NW 8 13327 P 01/13-18 51 0 31 49 W 9 1 1357 W 8 9519 P 01/13-19 51 0 28 54 W 9 1 809 W 8 5711 P 01/13-20 51 0 26 59 W 9 9 2 1 NW 5 260 W 8 1903 P 01/13-21 51 0 24 64 W 9 1 225 W 8 1604 P 01/13-22 51 0 22 69 W 8 1 190 W 8 1305 P 01/13-23 51 0 21 73 W 8 8 2 1 S 6 155 W 7 1007 P 01/14-00 51 0 19 78 W 7 1 151 W 7 887 P 01/14-01 51 0 18 82 W 7 1 147 W 6 767 P 01/14-02 51 0 18 84 W 6 6 2 1 S 7 143 W 6 648 P 01/14-03 51 0 17 86 W 5 1 147 W 5 566 P 01/14-04 51 0 17 87 W 3 1 151 W 3 484 P 01/14-05 51 0 17 87 W 3 3 2 1 SE 3 155 W 3 403 P 01/14-06 51 0 17 95 W 2 1 171 W 2 399 P 01/14-07 51 0 17 93 W 2 1 187 W 2 395 P 01/14-08 57 0 20 82 W 2 2 2 1 SE 9 203 W 2 391 P 01/14-09 57 0 23 72 SW 2 1 974 SW 2 1048 P 01/14-10 57 0 26 63 CALM 1 1746 CALM 1704 P 01/14-11 57 10 29 56 CALM 1 2 1 SE12 2518 CALM 2361 P 01/14-12 57 10 32 52 CALM 1 3383 S 2 8368 P 01/14-13 57 10 33 50 CALM 1 4249 S 3 14376 P 01/14-14 57 10 34 51 SE 2 2 2 1 S 9 5114 SW 5 20383 P 01/14-15 57 10 34 53 SE 2 1 4387 SW 3 15347 P 01/14-16 57 10 33 57 CALM 1 3660 SW 3 10311 P 01/14-17 91 17 31 69 S 2 2 2 1 W10 2933 SW 2 5275 P 01/14-18 91 17 29 74 S 2 1 2101 SW 2 3842 P 01/14-19 91 17 28 77 SW 2 1 1269 W 2 2409 P 01/14-20 91 17 27 79 SW 3 3 2 1 W12 436 W 2 976 P 01/14-21 91 17 25 85 W 3 1 387 W 3 1186 P 01/14-22 91 17 24 85 W 5 1 337 W 5 1396 P 01/14-23 81 17 24 86 W 6 6 3 1 W12 288 W 7 1606 P 01/15-00 81 17 23 85 W 8 1 294 W 8 1999 P 01/15-01 81 17 23 84 W 9 1 300 W 9 2393 P 01/15-02 81 17 22 84 W 10 10 3 1 W12 306 W 10 2786 P 01/15-03 81 17 22 82 W 12 1 323 W 10 3073 P 01/15-04 81 17 22 81 W 13 1 341 W 12 3360 P 01/15-05 36 0 22 80 W 14 14 3 1 W16 358 W 12 3648 P 01/15-06 36 0 22 80 W 14 1 587 W 12 6017 P 01/15-07 36 0 23 76 W 14 1 815 W 12 8387 P 01/15-08 36 0 26 69 W 14 22 3 1 NW17 1044 W 12 10757 P 01/15-09 36 0 29 62 W 12 1 2188 W 12 23237 P 01/15-10 36 0 32 57 W 10 1 3333 W 13 35717 P 01/15-11 19 0 34 52 W 8 8 2 1 N24 4477 NW 13 48198 F 01/15-12 19 0 36 48 W 8 1 4727 NW 13 52775 F 01/15-13 19 0 38 45 W 9 1 4976 NW 13 57352 F 01/15-14 19 0 39 44 W 10 10 5 1 N21 5225 NW 14 61929 G 01/15-15 19 0 38 45 W 10 1 4379 NW 12 48139 F 01/15-16 19 0 37 47 W 10 1 3532 NW 10 34348 P 01/15-17 11 0 35 51 W 10 10 5 1 N18 2685 NW 9 20557 P 01/15-18 11 0 33 53 W 12 1 2216 NW 10 18433 P 01/15-19 11 0 31 54 W 13 1 1747 W 12 16309 P 01/15-20 11 0 30 54 W 14 22 4 1 N10 1277 W 13 14184 P 01/15-21 11 0 29 55 W 14 1 947 W 13 10382 P 01/15-22 11 0 28 56 W 14 1 617 W 12 6581 P 01/15-23 11 0 27 51 W 13 13 5 1 NW15 287 W 12 2779 P 01/16-00 11 0 26 52 W 13 1 265 W 12 2666 P 01/16-01 11 0 26 53 W 13 1 244 W 13 2554 P 01/16-02 11 0 25 54 W 13 13 5 1 NW20 223 W 13 2441 P 01/16-03 11 0 25 54 W 13 1 229 W 13 2623 P 01/16-04 11 0 25 55 W 13 1 236 W 14 2804 P 01/16-05 16 0 25 55 W 13 13 4 1 NW18 243 W 14 2986 P 01/16-06 16 0 25 54 W 13 1 289 W 14 3513 P 01/16-07 16 0 26 52 W 13 1 335 W 14 4040 P 01/16-08 16 0 28 48 W 13 13 3 1 NW18 381 W 14 4566 P 01/16-09 16 0 31 44 W 13 1 787 W 15 11232 P 01/16-10 16 0 34 41 W 13 1 1192 W 16 17898 P 01/16-11 21 0 36 37 W 13 13 3 1 W17 1597 NW 17 24564 P 01/16-12 21 0 38 35 W 13 1 2604 NW 17 37112 P 01/16-13 21 0 40 33 W 13 1 3610 NW 16 49660 F 01/16-14 21 0 40 32 W 13 13 2 1 W22 4616 NW 15 62208 G 01/16-15 21 0 40 31 W 13 1 3636 NW 15 47876 F 01/16-16 21 0 39 32 W 13 1 2656 NW 14 33545 P 01/16-17 23 0 38 37 W 13 13 2 1 W21 1675 W 13 19213 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 20100114.JAMES.01/BOU