FNUS75 KBOU 131246 FWSBOU SPOT FORECAST FOR GROSS RESERVOIR DWB...USFS NATIONAL WEATHER SERVICE DENVER CO 544 AM MST WED JAN 13 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK UPPER LEVEL TROUGH WILL AFFECT THE AREA ON THURSDAY WITH A CHANCE OF SNOW SHOWERS. ANY ACCUMULATION WILL BE UNDER AN INCH. WINDS WILL BE LIGHT WITH POOR DISPERSION. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1100...THEN MOSTLY CLOUDY. MAX TEMPERATURE.....48. MIN HUMIDITY........25%. WIND (20 FT)........BREEZY. WEST 15-25 MPH WITH GUSTS TO AROUND 35 MPH UNTIL 1200...THEN 8-14 MPH. TRANSPORT WINDS.....WEST 24-28 MPH UNTIL 1200...THEN 9-20 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 1300...THEN 4400-5400 FT AGL UNTIL 1600...THEN 1400-2400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 0500. MIN TEMPERATURE.....19. MAX HUMIDITY........96%. WIND (20 FT)........WEST 8-12 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHWEST 4-8 MPH. MIXING HEIGHT.......200-800 FT AGL. 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 UNTIL 1100...THEN CHANCE OF SNOW SHOWERS UNTIL 1700...THEN SLIGHT CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....37. MIN HUMIDITY........48%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTH 4-8 MPH. MIXING HEIGHT.......2000-3000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0600. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 9 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 8 MPH WITH GUSTS TO AROUND 20 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GROSS RESERVOIR DWB. +++ 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 01/13-05 51 0 32 36 W 20 31 4 1 SW22 224 W 24 4682 P 01/13-06 51 0 32 36 W 23 1 334 W 25 7381 P 01/13-07 51 0 33 36 W 23 1 444 W 25 10080 P 01/13-08 55 0 35 33 W 21 33 4 1 W30 554 W 26 12779 P 01/13-09 55 0 38 31 W 20 1 1169 W 26 26248 P 01/13-10 55 0 41 28 W 18 1 1783 W 25 39717 P 01/13-11 60 0 43 26 W 16 25 4 1 W16 2398 W 25 53186 F 01/13-12 60 0 45 26 W 14 1 3491 W 21 55432 F 01/13-13 60 0 47 25 W 12 1 4584 W 16 57678 F 01/13-14 70 0 47 27 W 10 10 3 1 SW 9 5677 W 13 59924 F 01/13-15 70 0 46 29 W 9 1 4168 W 12 42935 F 01/13-16 70 0 44 33 W 8 1 2659 W 10 25945 P 01/13-17 66 0 39 42 W 8 8 3 1 W16 1150 W 9 8956 P 01/13-18 66 0 36 48 W 9 1 836 W 8 6340 P 01/13-19 66 0 33 54 W 9 1 522 W 7 3725 P 01/13-20 65 0 31 59 W 10 10 2 1 W10 208 W 6 1109 P 01/13-21 65 0 29 65 W 10 1 185 W 6 914 P 01/13-22 65 0 27 71 W 9 1 162 W 5 719 P 01/13-23 80 0 25 76 W 8 8 2 1 S10 139 W 5 524 P 01/14-00 80 0 24 81 W 7 1 141 SW 3 466 P 01/14-01 80 0 23 85 W 6 1 142 SW 3 409 P 01/14-02 80 0 22 88 W 5 5 2 1 S12 144 SW 2 351 P 01/14-03 80 0 21 90 W 5 1 145 SW 3 392 P 01/14-04 80 0 21 91 W 5 1 147 SW 3 434 P 01/14-05 76 18 22 85 W 6 6 2 1 S 6 149 SW 3 475 P 01/14-06 76 18 22 95 W 6 1 159 SW 3 451 P 01/14-07 76 18 22 96 W 5 1 169 SW 3 426 P 01/14-08 76 18 22 91 W 5 5 2 1 SE 8 179 S 2 402 P 01/14-09 76 18 25 78 SW 5 1 838 S 5 5444 P 01/14-10 76 18 30 62 SE 6 1 1496 SE 7 10487 P 01/14-11 76 25 33 53 E 6 6 2 1 SE12 2155 SE 8 15529 P 01/14-12 76 25 35 49 E 6 1 2825 SE 8 20893 P 01/14-13 76 25 36 48 E 5 1 3495 S 8 26256 P 01/14-14 76 25 36 48 E 5 5 2 1 S 8 4165 S 9 31620 P 01/14-15 76 25 35 51 E 5 1 3265 S 7 23188 P 01/14-16 76 25 34 56 E 3 1 2366 S 6 14756 P 01/14-17 80 20 32 61 E 3 3 2 1 SW 6 1466 SE 5 6324 P 01/14-18 80 20 31 64 SE 3 1 1130 S 5 4658 P 01/14-19 80 20 30 66 S 2 1 795 S 3 2992 P 01/14-20 80 20 29 68 SW 2 2 2 1 S 3 459 S 3 1327 P 01/14-21 80 20 29 67 SW 2 1 424 S 3 1111 P 01/14-22 80 20 29 66 CALM 1 388 SW 2 895 P 01/14-23 80 20 29 66 CALM 1 2 1 S 7 353 SW 2 679 P 01/15-00 80 20 29 65 CALM 1 338 SW 2 648 P 01/15-01 80 20 28 65 CALM 1 323 W 2 617 P 01/15-02 80 20 28 64 W 2 2 2 1 SW 9 308 W 2 586 P 01/15-03 80 20 27 64 W 3 1 315 W 3 916 P 01/15-04 80 20 27 64 W 5 1 322 W 5 1246 P 01/15-05 34 0 27 64 W 6 6 2 1 W 8 329 W 6 1576 P 01/15-06 34 0 27 64 W 6 1 414 W 5 1750 P 01/15-07 34 0 27 64 W 6 1 500 W 5 1924 P 01/15-08 34 0 28 62 W 5 5 2 1 W13 585 W 5 2098 P 01/15-09 34 0 31 56 W 5 1 2175 W 6 17809 P 01/15-10 34 0 35 48 W 3 1 3764 NW 8 33520 P 01/15-11 19 0 39 42 NW 3 3 2 1 W15 5354 NW 10 49231 F 01/15-12 19 0 42 39 W 3 1 6022 NW 12 61526 G 01/15-13 19 0 43 37 W 5 1 6689 NW 13 73821 G 01/15-14 19 0 44 36 W 6 6 2 1 NW23 7357 NW 14 86116 G 01/15-15 19 0 43 36 W 6 1 6480 NW 13 73435 G 01/15-16 19 0 41 38 W 7 1 5603 NW 13 60755 G 01/15-17 11 0 39 40 W 8 8 2 1 N28 4726 NW 12 48075 F 01/15-18 11 0 38 42 W 9 1 3581 NW 10 34790 P 01/15-19 11 0 36 44 W 9 1 2435 W 9 21506 P 01/15-20 11 0 34 45 W 9 15 3 1 N28 1290 W 7 8222 P 01/15-21 11 0 34 45 W 10 1 1082 W 7 6876 P 01/15-22 11 0 33 45 W 10 1 874 W 7 5530 P 01/15-23 11 0 33 44 W 10 16 3 1 N23 666 W 7 4184 P 01/16-00 11 0 32 44 W 10 1 592 W 7 3741 P 01/16-01 11 0 32 45 W 10 1 518 W 7 3299 P 01/16-02 11 0 31 45 W 10 15 3 1 NW18 445 W 7 2856 P 01/16-03 11 0 31 46 W 9 1 391 W 8 2588 P 01/16-04 11 0 30 46 W 9 1 337 W 8 2319 P 01/16-05 11 0 30 46 W 9 9 3 1 NW17 284 W 8 2050 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 $$ WFO BOULDER REQUESTED BY...RICH PALESTRO REASON FOR REQUEST...PRESCRIBED .TAG 20100114.GROSS.01/BOU