FNUS75 KBOU 141535 FWSBOU SPOT FORECAST FOR SHADED FUEL BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 835 AM MST TUE FEB 14 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE MOVING TO OUR SOUTH TONIGHT WILL HELP DESTABILIZE THE ATMOSPHERE TODAY...AIDING SMOKE DISPERSION. MEANWHILE...SURFACE WINDS WILL REMAIN LIGHT AND IN NORMAL DIURNAL PATTERNS WITH A WEAK PRESSURE GRADIENT IN PLACE. THE APPROACHING DISTURBANCE WILL BRING A CHANCE OF SNOW SHOWERS LATER THIS AFTERNOON THROUGH TONIGHT...BUT ANY ACCUMULATION WOULD BE LIGHT. LESS MIXING AND A DECREASE IN SMOKE DISPERSION CAN BE EXPECTED WEDNESDAY IN THE WAKE OF THIS SYSTEM. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1300...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1100 UNTIL 1700...THEN CHANCE OF SNOW SHOWERS. MAX TEMPERATURE.....43. MIN HUMIDITY........30-34%. 20-FOOT WINDS.......SOUTHWEST WINDS 6-7 MPH UNTIL 1500...THEN SOUTHEAST AROUND 5 MPH. TRANSPORT WINDS.....WEST 13-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 3600-4600 FT AGL UNTIL 1100...THEN 8400-9400 FT AGL UNTIL 1400...THEN 9800-10800 FT AGL UNTIL 1600...THEN 5800-6800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN GOOD UNTIL 1000...THEN VERY GOOD UNTIL 1600...THEN GOOD UNTIL 1700... THEN POOR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....20. MAX HUMIDITY........89%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2100...THEN WEST 5-6 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......4400-5000 FT AGL UNTIL 2100...THEN 2600-3400 FT AGL UNTIL 2300...THEN 1200-1600 FT AGL UNTIL 0200...THEN BELOW 1000 FT AGL UNTIL 0300...THEN 1600-2600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1700...THEN PARTLY CLOUDY(35-45%). CHANCE OF SNOW UNTIL 1100. MAX TEMPERATURE.....35. MIN HUMIDITY........43%. 20-FOOT WINDS.......SOUTHWEST WINDS AROUND 7 MPH UNTIL 0900...THEN SOUTHEAST 6-7 MPH UNTIL 1200...THEN UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1500...THEN NORTHEAST 5-6 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......5200-6200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........2 VERY LOW. FIRE WEATHER TABLE FOR SHADED FUEL BREAK. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT 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 02/14-08 53 0 0 22 85 SW 6 6 2 1 W40 459 W10 3917 P 02/14-09 53 0 0 29 62 SW 6 6 2 1 W41 2800 W15 60064 G 02/14-10 53 0 0 34 51 S 6 6 2 1 W40 5141 W21 116211 V 02/14-11 66 16 3 39 40 S 6 6 2 1 SW39 7482 W26 172358 E 02/14-12 66 16 3 43 32 S 6 6 2 1 SW38 8741 W25 190833 E 02/14-13 66 16 3 43 30 S 6 6 2 1 SW35 10000 SW24 209309 E 02/14-14 66 16 3 42 30 S 6 6 2 1 SW31 11258 SW23 227785 E 02/14-15 66 16 3 39 35 S 5 5 2 1 W25 9256 SW17 161548 E 02/14-16 66 16 3 36 43 SE 3 3 2 1 W20 7255 W12 95311 G 02/14-17 81 30 9 32 54 E 2 2 2 1 W15 5253 W 7 29074 P 02/14-18 81 30 9 29 65 CALM 1 2 1 W13 4978 W 7 30398 P 02/14-19 81 30 9 27 75 CALM 0 2 1 W13 4704 W 8 31723 P 02/14-20 81 30 9 25 81 CALM 0 2 1 W13 4429 NW 8 33048 P 02/14-21 81 30 9 24 88 CALM 1 2 1 W12 3467 NW 8 24772 P 02/14-22 81 30 9 23 89 W 3 3 2 1 W10 2505 NW 7 16496 P 02/14-23 80 24 5 22 87 W 5 5 2 1 W10 1543 NW 6 8220 P 02/15-00 80 24 5 22 84 W 6 6 2 1 W10 1328 NW 7 7310 P 02/15-01 80 24 5 21 81 W 6 6 2 1 NW12 1113 NW 7 6401 P 02/15-02 80 24 5 20 81 W 6 6 2 1 NW12 899 NW 7 5491 P 02/15-03 80 24 5 20 80 W 6 6 2 1 NW13 1484 NW 7 10055 P 02/15-04 80 24 5 20 82 W 6 6 2 1 NW14 2069 NW 8 14618 P 02/15-05 83 40 18 21 83 W 6 6 2 1 NW15 2655 NW 8 19182 P 02/15-06 83 40 18 21 86 W 7 7 2 1 NW16 3224 NW 9 25375 P 02/15-07 83 40 18 21 87 SW 7 7 2 1 NW17 3794 NW 9 31568 P 02/15-08 83 40 18 24 80 S 7 7 2 1 NW18 4363 NW10 37762 P 02/15-09 83 40 18 26 70 S 7 7 2 1 NW18 4716 NW10 42909 F 02/15-10 83 40 18 28 61 SE 6 6 2 1 NW18 5069 W10 48055 F 02/15-11 59 10 2 31 53 E 5 5 2 1 W18 5423 W12 53201 F 02/15-12 59 10 2 32 47 E 3 3 2 1 W22 5819 W12 57818 F 02/15-13 59 10 2 34 43 E 2 2 2 1 W26 6215 W12 62436 G 02/15-14 59 10 2 34 43 E 2 2 2 1 W30 6611 W12 67053 G 02/15-15 59 10 2 34 48 E 3 3 2 1 W31 6003 W10 55099 F 02/15-16 59 10 2 32 57 NE 5 5 2 1 W32 5395 SW 9 43145 F 02/15-17 39 5 1 29 70 NE 6 6 2 1 W32 4787 SW 8 31191 P 02/15-18 39 5 1 27 77 NE 6 6 2 1 W31 3842 W 6 21378 P 02/15-19 39 5 1 25 80 N 6 6 2 1 W31 2896 W 3 11565 P 02/15-20 39 5 1 24 84 N 6 6 2 1 W30 1951 CALM 1752 P 02/15-21 39 5 1 22 94 NW 6 6 2 1 W31 1487 CALM 1488 P 02/15-22 39 5 1 21 100 NW 5 5 2 1 W32 1024 CALM 1223 P 02/15-23 50 3 1 20 100 W 5 5 2 1 W32 560 SW 2 959 P 02/16-00 50 3 1 18 100 W 5 5 2 1 W31 480 W 2 896 P 02/16-01 50 3 1 18 100 W 3 3 2 1 W30 399 W 2 832 P 02/16-02 50 3 1 17 96 W 3 3 2 1 W29 319 W 2 769 P 02/16-03 50 3 1 17 88 W 3 3 2 1 W28 350 W 2 828 P 02/16-04 50 3 1 17 82 W 2 2 2 1 W28 382 W 2 887 P 02/16-05 41 4 1 17 77 W 2 2 2 1 W26 413 W 2 945 P 02/16-06 41 4 1 17 79 NW 2 2 2 1 W25 781 W 2 1940 P 02/16-07 41 4 1 19 79 N 3 3 2 1 W24 1148 NW 2 2934 P 02/16-08 41 4 1 22 72 N 3 3 2 1 W24 1516 NW 3 3929 P 02/16-09 41 4 1 26 58 NE 3 3 2 1 W25 2903 NW 7 26242 P 02/16-10 41 4 1 29 47 E 5 5 2 1 W28 4290 W10 48555 F 02/16-11 25 3 1 32 39 E 5 5 2 1 W31 5677 W14 70868 G 02/16-12 25 3 1 35 35 E 5 5 2 1 W33 6601 W16 92243 G 02/16-13 25 3 1 36 34 NE 6 6 2 1 W37 7524 W17 113617 V 02/16-14 25 3 1 37 34 N 6 6 2 1 W37 8448 W18 134991 V 02/16-15 25 3 1 37 34 N 6 6 2 1 W35 7226 W16 104828 V 02/16-16 25 3 1 35 35 NW 6 6 2 1 W31 6005 W14 74665 G 02/16-17 21 5 1 32 39 NW 6 6 2 1 W25 4783 W10 44502 F 02/16-18 21 5 1 30 43 NW 6 6 2 1 NW21 3899 W 9 33654 P 02/16-19 21 5 1 28 47 W 6 6 2 1 NW16 3016 W 8 22806 P 02/16-20 21 5 1 25 52 W 6 6 2 1 NW14 2132 W 7 11958 P 02/16-21 21 5 1 23 57 W 6 6 2 1 NW13 1570 W 7 8778 P 02/16-22 21 5 1 22 63 W 7 7 2 1 NW14 1009 W 6 5599 P 02/16-23 18 2 0 21 66 W 7 7 2 1 NW15 448 W 6 2419 P 02/17-00 18 2 0 19 68 W 7 7 2 1 NW15 378 W 7 2136 P 02/17-01 18 2 0 19 69 W 8 8 2 1 NW16 309 W 7 1853 P 02/17-02 18 2 0 18 68 W 8 13 2 1 NW17 239 W 8 1570 P 02/17-03 18 2 0 18 67 W 9 15 2 1 NW18 231 W 8 1668 P 02/17-04 18 2 0 17 66 W10 16 3 1 NW21 222 W 9 1767 P 02/17-05 29 2 0 18 64 W10 16 3 1 NW22 214 W10 1865 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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...DOUG BROMBERGER REASON FOR REQUEST...PRESCRIBED .TAG 20120214.SHADE.01/BOU