FNUS75 KBOU 081518 CCA FWSBOU SPOT FORECAST FOR SHADED FUEL BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 810 AM MST WED FEB 8 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MID- AND HIGH-LEVEL MOISTURE WILL STEADILY INCREASE ON WESTERLY FLOW ALOFT AHEAD OF AN ELONGATED UPPER LEVEL LOW PRESSURE TROUGH MOVING ACROSS THE GREAT BASIN THIS MORNING. LIGHT WESTERLY BREEZES FLOWING DOWN THE EAST FACE OF THE FRONT RANGE EARLY THIS MORNING WILL BECOME GUSTY AT TIMES LATER TODAY WITH THIS STORM SYSTEM MOVING CLOSER TO THE FRONT RANGE. PARTLY CLOUDY SKIES THIS MORNING WILL FILL WITH MOUNTAIN WAVE CLOUDS THIS AFTERNOON WHICH WILL REDUCE THE MIXING DEPTH...HOWEVER AT THE SAME TIME THE GUSTY WESTERLY WINDS SHOULD KEEP THE AIR REASONABLY MIXED FOR AT LEAST A FEW HOURS. BY THIS EVENING WITH THIS STORM SYSTEM MOVING ACROSS UTAH AND WESTERN COLORADO...DOWNSLOPE WINDS AT THE BURN AREA WILL WEAKEN AS THE CHANCE FOR SNOW SHOWERS INCREASES. LITTLE IF ANY SNOW ACCUMULATION IS ANTICIPATED FROM THIS OVERNIGHT SHOWER ACTIVITY. CONDITIONS SHOULD IMPROVE THURSDAY MORNING AS THIS STORM SYSTEM TRACKS SOUTHEASTWARD OVER NEW MEXICO. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-45%) UNTIL 1100...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1700. MAX TEMPERATURE.....33-37. MIN HUMIDITY........27-32%. 20-FOOT WINDS.......VARIABLE 3-6 MPH UNTIL 0930...THEN WEST WINDS 7-13 MPH WITH POSSIBLE GUSTS TO 22 MPH AFTER 1100. TRANSPORT WINDS.....WEST 10-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0930...RISING TO 2200-3200 FT AGL BETWEEN 1300-1500...THEN LOWERING TO BELOW 1800 FT AGL AFTER 1700. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1300... THEN GOOD UNTIL 1500...THEN FAIR UNTIL 1630...THEN POOR. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 0500. MIN TEMPERATURE.....15-19. MAX HUMIDITY........79-88%. 20-FOOT WINDS.......WEST-NORTHWEST WINDS 4-9 MPH. TRANSPORT WINDS.....NORTHWEST 8-14 MPH. MIXING HEIGHT.......LOWERING TO BELOW 1000 FT AGL AFTER 1930. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1100...THEN MOSTLY SUNNY UNTIL 1700...THEN PARTLY CLOUDY. MAX TEMPERATURE.....41. MIN HUMIDITY........34%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN EAST AROUND 5 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 6200-7200 FT AGL AFTER 1000. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1300...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 7 MPH WITH GUSTS TO 20 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 16. HIGHS IN THE UPPER 30S. SOUTH WINDS AROUND 5 MPH WITH GUSTS TO 20 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1800. LOWS AROUND 18. HIGHS IN THE MID 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. 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 02/08-07 47 0 0 3 100 W10 16 3 1 W38 74 W10 639 P 02/08-08 47 0 0 6 100 W 9 15 2 1 W36 79 W 9 669 P 02/08-09 47 0 0 12 90 W 9 14 2 1 NW35 200 W12 2148 P 02/08-10 47 0 0 20 65 W 8 14 2 1 NW32 321 W13 3627 P 02/08-11 67 8 2 26 51 W 8 13 2 1 NW32 441 W14 5106 P 02/08-12 67 8 2 29 46 W 8 13 2 1 NW33 1633 W16 30325 P 02/08-13 67 8 2 31 44 W 7 7 2 1 NW35 2825 W20 55545 F 02/08-14 67 8 2 31 45 W 7 7 2 1 NW36 4017 W23 80765 G 02/08-15 67 8 2 31 49 W 6 6 2 1 NW37 2908 W17 55180 F 02/08-16 67 8 2 29 55 W 5 5 2 1 W38 1799 W13 29596 P 02/08-17 71 10 2 28 58 W 5 5 2 1 W38 690 W 7 4011 P 02/08-18 71 10 2 27 60 W 6 6 2 1 W39 551 W 7 3296 P 02/08-19 71 10 2 25 59 W 7 7 2 1 W39 411 W 8 2580 P 02/08-20 71 10 2 24 59 W 8 13 2 1 W39 272 W 8 1864 P 02/08-21 71 10 2 22 62 W 8 8 2 1 W39 254 W 7 1657 P 02/08-22 71 10 2 21 66 W 7 7 2 1 W38 235 W 7 1450 P 02/08-23 71 10 2 21 69 W 6 6 2 1 W37 216 W 7 1242 P 02/09-00 71 10 2 20 71 W 6 6 2 1 W36 209 W 7 1203 P 02/09-01 71 10 2 19 72 W 6 6 2 1 W35 203 W 7 1164 P 02/09-02 71 10 2 19 72 W 6 6 2 1 W32 196 W 7 1125 P 02/09-03 71 10 2 18 73 W 6 6 2 1 W28 200 W 6 967 P 02/09-04 71 10 2 18 73 W 6 6 2 1 W23 204 W 5 808 P 02/09-05 39 0 0 18 73 W 5 5 2 1 W24 216 W 3 727 P 02/09-06 39 0 0 18 70 W 3 3 2 1 NW21 607 W 3 1683 P 02/09-07 39 0 0 20 64 SW 2 2 2 1 NW18 999 NW 3 2638 P 02/09-08 39 0 0 23 56 CALM 1 2 1 NW15 1390 NW 3 3594 P 02/09-09 39 0 0 27 50 CALM 1 2 1 NW14 3005 NW 5 18600 P 02/09-10 39 0 0 31 47 N 2 2 2 1 NW13 4620 NW 7 33605 P 02/09-11 25 0 0 34 43 NE 3 3 2 1 NW12 6235 N 9 48611 F 02/09-12 25 0 0 37 39 NE 5 5 2 1 NW12 6656 NW10 57930 F 02/09-13 25 0 0 38 36 E 5 5 2 1 NW14 7078 NW10 67249 G 02/09-14 25 0 0 39 34 E 5 5 2 1 NW15 7499 NW12 76569 G 02/09-15 25 0 0 39 34 E 5 5 2 1 NW17 6988 NW12 69311 G 02/09-16 25 0 0 37 36 E 3 3 2 1 NW20 6478 NW12 62054 G 02/09-17 28 0 0 33 41 NE 3 3 2 1 NW21 5967 NW10 54796 F 02/09-18 28 0 0 31 46 NE 3 3 2 1 NW21 5597 NW10 49484 F 02/09-19 28 0 0 28 51 NW 3 3 2 1 NW20 5226 NW 9 44171 F 02/09-20 28 0 0 26 57 W 3 3 2 1 NW18 4856 N 9 38859 P 02/09-21 28 0 0 24 62 W 5 5 2 1 NW18 3945 NW 7 27831 P 02/09-22 28 0 0 23 67 W 6 6 2 1 NW18 3034 NW 5 16802 P 02/09-23 10 0 0 21 70 W 7 7 2 1 NW20 2123 NW 3 5774 P 02/10-00 10 0 0 20 74 W 8 8 2 1 NW21 1660 W 5 5261 P 02/10-01 10 0 0 19 75 W 9 9 2 1 NW22 1197 W 6 4748 P 02/10-02 10 0 0 18 76 W10 10 2 1 NW23 734 W 7 4235 P 02/10-03 10 0 0 18 75 W12 12 2 1 NW23 637 W 7 3816 P 02/10-04 10 0 0 18 72 W13 20 2 1 NW22 541 W 7 3397 P 02/10-05 12 0 0 18 69 W13 21 2 1 NW21 444 W 8 2979 P 02/10-06 12 0 0 18 70 W13 21 2 1 NW22 628 W 8 4257 P 02/10-07 12 0 0 19 71 W13 21 2 1 NW23 811 W 8 5536 P 02/10-08 12 0 0 22 65 W12 18 2 1 NW24 994 NW 8 6814 P 02/10-09 12 0 0 26 58 W 9 9 2 1 NW26 2340 NW 9 22662 P 02/10-10 12 0 0 29 52 W 6 6 2 1 NW29 3687 NW10 38510 P 02/10-11 39 0 0 32 47 W 3 3 2 1 NW32 5033 NW13 54357 F 02/10-12 39 0 0 34 43 W 2 2 2 1 NW36 5277 NW14 62825 G 02/10-13 39 0 0 36 40 NW 2 2 2 1 NW39 5521 NW15 71294 G 02/10-14 39 0 0 37 39 NW 2 2 2 1 NW41 5765 NW16 79762 G 02/10-15 39 0 0 36 40 NW 2 2 2 1 NW41 5224 NW16 72921 G 02/10-16 39 0 0 35 43 W 2 2 2 1 NW40 4684 NW16 66080 G 02/10-17 53 0 0 31 49 W 3 3 2 1 NW38 4144 NW16 59239 F 02/10-18 53 0 0 29 54 W 5 5 2 1 NW38 3204 NW15 44033 F 02/10-19 53 0 0 26 58 W 5 5 2 1 NW39 2264 W14 28827 P 02/10-20 53 0 0 24 63 W 6 6 2 1 NW40 1325 W12 13621 P 02/10-21 53 0 0 22 67 W 7 7 2 1 NW41 1027 W12 10519 P 02/10-22 53 0 0 21 71 W 8 8 2 1 NW43 730 W12 7417 P 02/10-23 35 0 0 19 74 W 9 9 2 1 NW43 432 W12 4315 P 02/11-00 35 0 0 18 78 W 9 9 2 1 NW38 373 W12 3719 P 02/11-01 35 0 0 17 79 W10 10 2 1 NW33 313 W12 3124 P 02/11-02 35 0 0 17 81 W10 10 2 1 NW30 254 W12 2529 P 02/11-03 35 0 0 16 81 W12 12 2 1 NW30 245 W12 2435 P 02/11-04 35 0 0 16 82 W12 18 2 1 NW33 236 W12 2341 P 02/11-05 35 4 1 16 82 W12 18 2 1 NW37 227 W12 2247 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...BAKER...WFO BOULDER REQUESTED BY...JASON CHAPPELL REASON FOR REQUEST...PRESCRIBED .TAG 20120208.SHADE.01/BOU