FNUS75 KBOU 212339 FWSBOU SPOT FORECAST FOR MYERS RANCH...USFS NATIONAL WEATHER SERVICE DENVER CO 527 PM MDT THU APR 21 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER TROUGH WILL RACE ACROSS WYOMING AND NORTHERN COLORADO TONIGHT PRODUCING SCATTERED SHOWERS AND A FEW THUNDERSTORMS. MODERATE TO STRONG WESTERLY FLOW ALOFT WILL CONTINUE. DRYER AIR ALOFT WILL MOVE ACROSS THE STATE AFTER MIDNIGHT...AND DOWNWARD FORCING BEHIND THE TROUGH WILL CAUSE THE BEST CHANCE OF GUSTY WESTERLY WINDS ACROSS THE BURN AREA. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR UNTIL 1900...THEN MOSTLY CLOUDY UNTIL 0300...THEN PARTLY CLOUDY(50-60%). SCATTERED RAIN SHOWERS OR SNOW SHOWERS AFTER 1900...AN ISOLATED THUNDERSTORM POSSIBLE. MIN TEMPERATURE.....31. MAX HUMIDITY........65%. 20-FOOT WINDS.......WINDY. WEST WINDS 22-32 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....WEST 32-40 MPH. MIXING HEIGHT.......6800 FT AGL UNTIL 1900...THEN 4600 FT AGL UNTIL 2000...THEN 2400 FT AGL UNTIL 2100...THEN BELOW 1000 FT AGL UNTIL 0500...THEN 1000 FT AGL. SMOKE DISPERSAL.....EXCELLENT UNTIL 2000...THEN GOOD UNTIL 2100...THEN POOR UNTIL 0500...THEN FAIR. HAINES INDEX........4 LOW. LAL.................3 UNTIL 0300...THEN LAL 1. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900...THEN MOSTLY SUNNY. MAX TEMPERATURE.....48. MIN HUMIDITY........23%. 20-FOOT WINDS.......WINDY. WEST WINDS 25-39 MPH UNTIL 1200...THEN 20-26 MPH. GUSTS UP TO 50 MPH. TRANSPORT WINDS.....WEST 36-48 MPH. MIXING HEIGHT.......2600-3600 FT AGL UNTIL 1000...THEN 6600-7600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 0700. EXCELLENT AFTER 0900. HAINES INDEX........4 LOW. LAL.................1. .FRIDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2400...THEN MOSTLY CLOUDY(50-60%). MIN TEMPERATURE.....29. MAX HUMIDITY........61%. 20-FOOT WINDS.......WEST WINDS 14-22 MPH WITH GUSTS TO 35 MPH UNTIL 2100...THEN SOUTHWEST 5-12 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 24-32 MPH UNTIL 2400...THEN SOUTHWEST AROUND 8 MPH. MIXING HEIGHT.......4800-5600 FT AGL UNTIL 2000. 1600-2600 FT AGL AFTER 2300. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2400. HAINES INDEX........3 VERY LOW. .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW AFTER 1200. MAX TEMPERATURE.....42. MIN HUMIDITY........56%. 20-FOOT WINDS.......SOUTHEAST WINDS 6-11 MPH. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH. MIXING HEIGHT.......4000-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN GOOD. HAINES INDEX........2 VERY LOW. FIRE WEATHER TABLE FOR MYERS RANCH. +++ 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 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 04/21-17 13 0 58 23 W 18 1 8343 SW 38 278985 E 04/21-18 13 0 53 28 W 20 30 4 1 SW52 6719 SW 38 225066 E 04/21-19 71 40 51 32 SW 22 1 4578 SW 36 152629 E 04/21-20 71 40 47 39 SW 23 1 2437 SW 33 80193 G 04/21-21 71 40 42 49 SW 24 37 3 1 W52 296 SW 30 7756 P 04/21-22 71 40 40 55 W 23 1 307 W 29 7772 P 04/21-23 71 40 38 59 W 22 1 319 W 28 7789 P 04/22-00 75 40 36 60 W 21 31 3 1 SW53 331 W 28 7805 P 04/22-01 75 40 35 59 W 22 1 441 W 31 12710 P 04/22-02 75 40 34 57 W 24 1 550 W 36 17615 P 04/22-03 48 40 33 56 W 26 40 3 1 SW55 660 W 39 22520 P 04/22-04 48 40 32 60 W 30 1 814 W 43 31236 P 04/22-05 48 40 32 63 W 32 1 968 W 46 39951 P 04/22-06 28 0 33 65 W 35 52 4 1 W58 1121 W 49 48666 F 04/22-07 28 0 34 59 W 35 1 2136 W 49 89420 G 04/22-08 28 0 35 53 W 32 1 3150 W 48 130174 V 04/22-09 7 0 37 44 W 30 45 4 1 W67 4165 W 47 170928 E 04/22-10 7 0 40 37 W 28 1 5212 W 44 189822 E 04/22-11 7 0 42 32 W 25 1 6258 W 39 208715 E 04/22-12 8 0 44 28 W 24 37 3 1 W56 7305 W 36 227609 E 04/22-13 8 0 45 26 W 23 1 7555 W 36 236802 E 04/22-14 8 0 46 24 W 22 1 7804 W 37 245994 E 04/22-15 8 0 47 23 W 22 33 3 1 W68 8054 W 37 255187 E 04/22-16 8 0 47 23 W 22 1 7207 W 38 235547 E 04/22-17 8 0 46 24 W 23 1 6361 W 39 215907 E 04/22-18 38 0 44 27 W 22 33 3 1 W74 5514 W 41 196267 E 04/22-19 38 0 43 29 W 18 1 4711 W 37 157350 E 04/22-20 38 0 40 32 W 14 1 3908 W 33 118433 V 04/22-21 38 0 37 37 W 9 14 3 1 W67 3105 W 30 79516 G 04/22-22 38 0 35 42 SW 7 1 2628 W 22 56924 F 04/22-23 38 0 34 45 S 5 1 2152 W 15 34332 P 04/23-00 56 0 33 48 S 3 3 2 1 W62 1675 W 8 11740 P 04/23-01 56 0 32 51 S 3 1 1859 W 8 13317 P 04/23-02 56 0 31 53 SE 3 1 2043 SW 8 14894 P 04/23-03 56 0 31 55 SE 3 3 2 1 W67 2227 SW 8 16471 P 04/23-04 56 0 30 56 SE 3 1 2366 SW 8 17075 P 04/23-05 56 0 30 57 SE 3 1 2504 SW 8 17679 P 04/23-06 78 0 31 58 SE 3 3 2 1 W63 2643 SW 8 18283 P 04/23-07 78 0 31 59 SE 5 1 2973 SW 8 22211 P 04/23-08 78 0 32 61 SE 5 1 3303 SW 9 26139 P 04/23-09 78 0 34 60 SE 6 6 2 1 W54 3632 SW 9 30067 P 04/23-10 78 0 36 59 SE 6 1 3987 SW 10 37472 P 04/23-11 78 0 38 58 SE 6 1 4342 SW 12 44877 F 04/23-12 78 30 39 58 SE 6 6 2 1 SW45 4696 SW 13 52283 F 04/23-13 78 30 40 58 SE 7 1 4780 SW 14 56712 F 04/23-14 78 30 40 59 SE 7 1 4864 SW 15 61142 G 04/23-15 78 30 41 60 SE 8 8 2 1 W52 4948 SW 15 65572 G 04/23-16 78 30 41 61 SE 9 1 4696 SW 17 70988 G 04/23-17 78 30 41 63 SE 9 1 4443 SW 20 76404 G 04/23-18 80 40 40 66 S 9 9 3 1 W58 4190 SW 23 81820 G 04/23-19 80 40 39 69 S 8 1 3602 SW 18 62631 G 04/23-20 80 40 38 74 S 6 1 3013 SW 15 43442 F 04/23-21 80 40 36 79 S 5 5 3 1 W53 2424 SW 12 24253 P 04/23-22 80 40 35 83 S 5 1 2310 S 13 26081 P 04/23-23 80 40 34 85 S 5 1 2196 S 15 27909 P 04/24-00 80 40 34 86 S 5 5 2 1 SW59 2082 S 16 29738 P 04/24-01 80 40 33 85 S 5 1 1894 S 15 24575 P 04/24-02 80 40 33 84 E 5 1 1707 SW 13 19413 P 04/24-03 80 40 32 82 NE 5 5 3 1 SW55 1520 SW 10 14250 P 04/24-04 80 40 32 80 NE 5 1 1464 SW 10 12999 P 04/24-05 80 40 32 77 N 3 1 1408 SW 9 11748 P 04/24-06 80 40 32 76 N 3 3 3 1 W45 1352 W 9 10497 P 04/24-07 80 40 33 75 NE 3 1 1527 SW 10 13804 P 04/24-08 80 40 36 66 SE 3 1 1702 SW 12 17111 P 04/24-09 80 40 40 59 S 3 3 3 1 SW40 1878 SW 13 20418 P 04/24-10 80 40 43 53 S 5 1 3399 SW 16 55979 F 04/24-11 80 40 46 49 S 6 1 4921 SW 20 91540 G 04/24-12 80 40 48 46 S 7 7 3 1 SW35 6443 SW 23 127100 V 04/24-13 80 40 50 44 S 7 1 7368 W 23 144092 V 04/24-14 80 40 51 43 W 7 1 8292 W 22 161083 E 04/24-15 80 40 52 43 W 6 6 3 1 SW24 9217 W 22 178074 E 04/24-16 80 40 52 43 NW 6 1 8747 W 20 152939 E 04/24-17 80 40 51 45 N 5 1 8276 W 17 127804 V 04/24-18 82 40 49 49 N 5 5 3 1 SW33 7806 W 15 102669 V 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...WFO BOULDER REQUESTED BY...OEM REASON FOR REQUEST...WILDFIRE .TAG 20110421.MYERS.01/BOU