FNUS75 KBOU 211518 FWSBOU SPOT FORECAST FOR SHADED FUEL BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 818 AM MST TUE FEB 21 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...NORTHWEST FLOW ALOFT WILL BE INCREASING TODAY AND TONIGHT. SNOW SHOWERS WILL BE OCCURRING OVER THE MOUNTAINS DUE TO THE MOIST NORTHWEST FLOW OVER THE STATE. SOME SNOW MAY BLOW OVER THE CONTINENTAL DIVIDE AND REACH THE BURN SITE. WITH THE STRONG FLOW OVER THE STATE TODAY AND TOMORROW...SMOKE DISPERSAL VALUES WILL REACH THE EXCELLENT CATEGORY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....40-45. MIN HUMIDITY........26-32%. 20-FOOT WINDS.......BREEZY. WEST WINDS 8-14 MPH UNTIL 1000...THEN INCREASING TO 18-26 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....NORTHWEST 32-40 MPH. MIXING HEIGHT.......RISING TO 4000-4500 FT AGL. SMOKE DISPERSAL.....BECOMING VERY GOOD BY 1100...THEN EXCELLENT UNTIL 1500...THEN VERY GOOD. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 2400...THEN MOSTLY CLOUDY(50-60%). MIN TEMPERATURE.....25-30. MAX HUMIDITY........54-62%. 20-FOOT WINDS.......BREEZY. WEST WINDS 20-30 MPH WITH GUSTS TO 45 MPH. TRANSPORT WINDS.....NORTHWEST 32-40 MPH. MIXING HEIGHT.......1500-2000 FT AGL UNTIL 2200...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 2100. HAINES INDEX........4 LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%). MAX TEMPERATURE.....52-58. MIN HUMIDITY........24-30%. 20-FOOT WINDS.......WEST WINDS 12-20 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....WEST 36-52 MPH. MIXING HEIGHT.......3400-4400 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 0900...THEN VERY GOOD UNTIL 1100... THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........3 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 02/21-07 37 0 0 18 54 W17 32 3 1 N22 2129 W37 70592 G 02/21-08 37 0 0 24 46 W21 39 3 1 N20 2461 W40 86244 G 02/21-09 37 0 0 30 37 W22 39 3 1 N17 3264 W39 111523 V 02/21-10 37 0 0 36 32 W23 39 2 1 N16 4067 NW39 136802 V 02/21-11 29 0 0 39 30 W24 39 2 1 N16 4871 NW38 162082 E 02/21-12 29 0 0 41 28 W24 44 2 1 N20 5050 NW37 159669 E 02/21-13 29 0 0 42 28 W25 47 2 1 N25 5230 NW35 157255 E 02/21-14 29 0 0 41 29 W25 49 2 1 N31 5409 NW33 154842 E 02/21-15 29 0 0 40 30 W25 48 2 1 N33 4535 NW36 136630 V 02/21-16 29 0 0 38 31 W26 47 2 1 NW35 3660 NW39 118417 V 02/21-17 35 1 0 37 33 W26 45 2 1 NW36 2786 NW41 100204 V 02/21-18 35 1 0 35 36 W26 46 3 1 NW37 2339 NW41 83876 G 02/21-19 35 1 0 33 40 W26 47 3 1 N37 1892 NW41 67549 G 02/21-20 35 1 0 32 43 W25 46 4 1 N36 1445 NW40 51221 F 02/21-21 35 1 0 32 46 W24 40 4 1 N30 1145 NW39 39757 P 02/21-22 35 1 0 31 49 W22 36 4 1 NW22 846 W37 28293 P 02/21-23 52 1 0 31 52 W21 33 4 1 W16 546 W36 16829 P 02/22-00 52 1 0 31 52 W22 35 4 1 NW16 489 W36 15009 P 02/22-01 52 1 0 30 53 W23 38 3 1 NW17 431 W36 13190 P 02/22-02 52 1 0 29 54 W24 39 3 1 NW20 374 W35 11370 P 02/22-03 52 1 0 29 54 W23 37 3 1 NW20 382 W35 11368 P 02/22-04 52 1 0 28 55 W21 33 3 1 N18 390 W33 11367 P 02/22-05 53 2 0 28 56 W18 32 3 1 N18 425 W35 12567 P 02/22-06 53 2 0 31 50 W18 31 3 1 N22 1014 W37 34485 P 02/22-07 53 2 0 34 45 W18 29 3 1 NW23 1603 W39 56404 F 02/22-08 53 2 0 38 40 W18 28 3 1 NW24 2192 NW41 78323 G 02/22-09 53 2 0 42 36 W17 26 3 1 NW23 2854 W41 103401 V 02/22-10 53 2 0 46 32 W16 24 3 1 NW21 3517 W41 128479 V 02/22-11 52 0 0 50 29 W15 23 3 1 NW17 4180 W43 153556 E 02/22-12 52 0 0 53 27 W15 22 3 1 NW12 4265 W44 162808 E 02/22-13 52 0 0 53 26 W15 23 3 1 W 7 4350 W45 172060 E 02/22-14 52 0 0 52 28 W15 23 3 1 W 6 4436 W47 181312 E 02/22-15 52 0 0 50 30 W14 21 3 1 W 9 4099 W47 166645 E 02/22-16 52 0 0 47 32 SW13 20 3 1 W17 3763 W46 151977 E 02/22-17 58 0 0 44 36 SW12 17 3 1 NW28 3427 W46 137310 V 02/22-18 58 0 0 40 41 SW10 16 3 1 NW39 3079 W44 119030 V 02/22-19 58 0 0 38 46 SW10 16 2 1 NW51 2731 W41 100750 V 02/22-20 58 0 0 36 48 SW10 16 2 1 NW62 2383 W40 82469 G 02/22-21 58 0 0 35 49 SW10 15 2 1 NW69 2194 W39 74736 G 02/22-22 58 0 0 35 51 SW10 15 3 1 NW76 2005 W38 67003 G 02/22-23 72 23 5 34 53 SW10 16 3 1 W79 1816 W38 59270 F 02/23-00 72 23 5 33 54 SW10 16 3 1 W82 1490 W36 47514 F 02/23-01 72 23 5 32 57 W12 16 3 1 W83 1164 W35 35758 P 02/23-02 72 23 5 31 62 W12 17 3 1 W83 838 W33 24002 P 02/23-03 72 23 5 29 65 W12 18 3 1 W83 824 W32 23069 P 02/23-04 72 23 5 28 68 W13 18 2 1 W83 811 W31 22135 P 02/23-05 77 29 8 28 68 NW13 20 2 1 W83 797 W31 21202 P 02/23-06 77 29 8 27 66 NW13 20 2 1 W86 1731 W30 43245 F 02/23-07 77 29 8 28 62 NW13 20 2 1 W90 2665 W29 65289 G 02/23-08 77 29 8 28 57 NW13 20 2 1 W93 3599 W28 87332 G 02/23-09 77 29 8 29 52 NW13 20 2 1 W94 4144 W30 108062 V 02/23-10 77 29 8 30 48 NW13 20 2 1 W96 4689 W31 128791 V 02/23-11 77 29 8 31 45 NW13 20 2 1 W94 5234 W33 149520 V 02/23-12 77 29 8 31 43 NW13 20 2 1 W92 5246 W33 151501 E 02/23-13 77 29 8 31 41 NW13 20 2 1 W89 5259 W33 153481 E 02/23-14 77 29 8 30 42 NW13 20 2 1 W86 5272 W33 155462 E 02/23-15 77 29 8 29 43 NW13 18 2 1 W83 4906 W33 143206 V 02/23-16 77 29 8 27 46 NW12 18 2 1 W81 4540 W33 130951 V 02/23-17 54 10 2 25 51 W12 17 2 1 W78 4174 W32 118696 V 02/23-18 54 10 2 23 57 W10 16 2 1 W76 3889 W31 105163 V 02/23-19 54 10 2 21 64 W10 15 2 1 W74 3603 W29 91631 G 02/23-20 54 10 2 20 69 W 9 14 2 1 W73 3317 W28 78098 G 02/23-21 54 10 2 19 74 W 9 9 2 1 NW75 3603 W28 86977 G 02/23-22 54 10 2 19 78 W 8 8 2 1 NW77 3889 W29 95856 G 02/23-23 31 0 0 18 82 W 8 8 2 1 NW78 4175 W29 104735 V 02/24-00 31 0 0 18 81 W 8 8 2 1 NW77 4094 W29 103441 V 02/24-01 31 0 0 17 81 W 8 8 2 1 NW75 4013 W29 102146 V 02/24-02 31 0 0 16 81 W 8 8 2 1 NW73 3932 W30 100852 V 02/24-03 31 0 0 15 80 W 8 8 2 1 NW73 3619 W30 93110 G 02/24-04 31 0 0 15 78 W 9 9 2 1 NW74 3307 W30 85367 G 02/24-05 21 3 1 14 75 W 9 14 2 1 NW76 2995 W30 77625 G 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 $$ DANKERS...WFO BOULDER REQUESTED BY...JASON CHAPPELL REASON FOR REQUEST...PRESCRIBED .TAG 20120221.SHADE.01/BOU