FNUS75 KBOU 171258 FWSBOU SPOT FORECAST FOR LEFTHAND CANYON FIRE...USFS NATIONAL WEATHER SERVICE DENVER CO 700 AM MDT THU MAR 17 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... .DISCUSSION...WEST WINDS IN THE FOOTHILLS CURRENTLY BATTLING EAST WINDS ON THE PLAINS. EXPECT THE UPSLOPE WINDS TO BECOME MORE PREVELANT WITH TIME THIS MORNING...THOUGH WEST WINDS MAY OCCASIONALLY BREAK THROUGH ON THE RIDGES THROUGH THE DAY. HUMIDITIES WILL BE STEADY OR GRADUALLY RISING IN THE HIGHER ELEVATIONS...WITH MOISTER AIR AT LOWER ELEVATIONS. A WETTING RAIN/SNOW EVENT IS LIKELY TONIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200...THEN MOSTLY CLOUDY(50-60%). CHANCE OF RAIN SHOWERS AFTER 1500. MAX TEMPERATURE.....58. MIN HUMIDITY........25%. 20-FOOT WINDS.......WEST WINDS 14-24 MPH WITH GUSTS TO 40 MPH UNTIL 1000...BECOMING NORTHEAST 9-13 MPH BY 1400. TRANSPORT WINDS.....SOUTHWEST 17-28 MPH. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 1200...THEN 7000-7800 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1000...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........CLOUDY. RAIN LIKELY UNTIL 2100...THEN SNOW LIKELY UNTIL 2400...THEN SNOW. MIN TEMPERATURE.....27. MAX HUMIDITY........90-100%. 20-FOOT WINDS.......EAST WINDS 8-14 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....SOUTHEAST 12-16 MPH UNTIL 2400...THEN NORTHEAST 4-12 MPH. MIXING HEIGHT.......5600-6400 FT AGL UNTIL 2000. 1800-2800 FT AGL AFTER 2300. SMOKE DISPERSAL.....GOOD UNTIL 2100. POOR AFTER 2300. HAINES INDEX........2 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1200. MAX TEMPERATURE.....45. MIN HUMIDITY........41%. 20-FOOT WINDS.......EAST WINDS 6-7 MPH UNTIL 0900...THEN NORTHWEST 5-13 MPH UNTIL 1200...THEN SOUTHEAST 6-7 MPH. TRANSPORT WINDS.....NORTHWEST 8-16 MPH UNTIL 1200...THEN SOUTHWEST 16-24 MPH. MIXING HEIGHT.......3800-4800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 8 MPH WITH GUSTS TO 25 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60. WEST WINDS AROUND 9 MPH WITH GUSTS TO 30 MPH. .MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 6 MPH. FIRE WEATHER TABLE FOR LEFTHAND CANYON FIRE. +++ 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 03/17-06 41 6 47 31 W 24 39 2 1 W73 3674 W 21 65318 G 03/17-07 41 6 44 34 W 21 1 3575 SW 20 59318 F 03/17-08 41 6 44 32 W 17 1 3476 SW 17 53318 F 03/17-09 43 6 46 32 W 15 24 2 1 W78 3377 SW 16 47318 F 03/17-10 43 6 48 30 W 14 1 4631 SW 21 92521 G 03/17-11 43 6 52 27 W 13 1 5885 SW 25 137724 V 03/17-12 55 10 55 26 W 12 20 2 1 W84 7138 SW 30 182926 E 03/17-13 55 10 56 25 W 12 1 7390 SW 28 179043 E 03/17-14 55 10 57 25 NW 10 1 7641 SW 26 175159 E 03/17-15 61 28 57 25 N 10 17 2 1 W78 7893 SW 25 171275 E 03/17-16 61 28 56 26 N 10 17 1 7420 SW 21 139391 V 03/17-17 61 28 55 29 N 12 1 6947 S 17 107506 V 03/17-18 95 73 53 32 NE 13 20 2 1 SW73 6474 S 14 75622 G 03/17-19 95 73 50 38 NE 12 1 5642 S 14 68682 G 03/17-20 95 73 45 46 NE 10 1 4811 SE 15 61742 G 03/17-21 95 73 41 55 NE 9 14 2 1 SW75 3979 SE 16 54802 F 03/17-22 95 73 38 62 E 8 1 3562 SE 15 46195 F 03/17-23 95 73 36 68 SE 8 1 3144 SE 14 37587 P 03/18-00 96 77 34 72 SE 8 14 2 1 SW77 2727 SE 13 28979 P 03/18-01 96 77 33 74 SE 8 1 2443 E 9 21964 P 03/18-02 96 77 31 75 E 7 1 2159 E 7 14948 P 03/18-03 96 77 30 76 E 6 6 2 1 SW54 1875 NE 5 7932 P 03/18-04 96 77 29 79 E 5 1 1694 NE 5 6700 P 03/18-05 96 77 28 81 SE 5 1 1514 N 5 5468 P 03/18-06 97 40 28 83 SE 5 5 2 1 SW31 1333 NW 3 4236 P 03/18-07 97 40 28 82 E 6 1 1560 N 3 5344 P 03/18-08 97 40 29 81 NE 7 1 1787 N 5 6452 P 03/18-09 97 40 32 71 N 8 13 2 1 W41 2013 N 5 7561 P 03/18-10 78 40 35 64 NW 8 1 3059 NW 15 43036 F 03/18-11 78 40 38 58 SW 7 1 3505 W 18 58729 F 03/18-12 78 0 40 52 S 7 7 2 1 W56 3950 W 22 74423 G 03/18-13 78 0 42 48 S 7 1 4272 W 23 84089 G 03/18-14 63 0 43 44 SE 6 1 4593 SW 23 93755 G 03/18-15 63 0 44 42 SE 6 6 2 1 W51 4915 SW 24 103420 V 03/18-16 63 0 44 41 SE 6 1 4459 SW 20 80789 G 03/18-17 63 0 43 41 SE 5 1 4003 SW 16 58157 F 03/18-18 43 0 41 43 E 5 5 2 1 SW54 3547 SW 12 35525 P 03/18-19 43 0 40 44 E 5 1 2590 SW 9 24733 P 03/18-20 43 0 39 47 E 3 1 1632 S 7 13941 P 03/18-21 43 0 36 51 E 3 3 2 1 SW49 675 S 6 3149 P 03/18-22 43 0 35 54 NE 3 1 578 S 5 2554 P 03/18-23 43 0 34 56 N 5 1 481 SW 5 1959 P 03/19-00 43 0 33 58 NW 5 5 2 1 SW49 383 W 5 1365 P 03/19-01 43 0 32 62 NW 5 1 373 SW 3 1203 P 03/19-02 43 0 32 66 W 5 1 363 SW 3 1042 P 03/19-03 43 0 32 70 W 5 5 2 1 SW51 353 SW 2 881 P 03/19-04 43 0 31 75 W 5 1 366 SW 3 1017 P 03/19-05 43 0 32 79 W 5 1 379 SW 3 1153 P 03/19-06 21 0 32 83 W 5 5 2 1 SW44 391 SW 3 1289 P 03/19-07 21 0 32 87 SW 5 1 622 SW 6 3954 P 03/19-08 21 0 35 80 S 5 1 852 SW 8 6619 P 03/19-09 21 0 39 72 SE 5 5 3 1 W45 1082 SW 10 9284 P 03/19-10 21 0 43 63 SE 6 1 2372 SW 15 44302 F 03/19-11 21 0 47 55 SE 6 1 3663 SW 21 79320 G 03/19-12 21 0 50 49 S 7 7 2 1 SW52 4954 SW 26 114337 V 03/19-13 21 0 53 42 S 7 1 5502 SW 29 136739 V 03/19-14 21 0 55 37 S 7 1 6050 SW 30 159140 E 03/19-15 21 0 56 34 S 8 8 3 1 SW47 6598 SW 32 181541 E 03/19-16 21 0 55 32 S 9 1 6148 SW 33 175178 E 03/19-17 21 0 54 32 SW 12 1 5697 SW 35 168816 E 03/19-18 17 0 51 34 SW 13 21 3 1 SW53 5246 SW 36 162453 E 03/19-19 17 0 49 35 SW 14 1 3626 SW 31 110879 V 03/19-20 17 0 46 39 SW 14 1 2005 SW 28 59304 F 03/19-21 17 0 42 44 W 15 24 3 1 W58 384 SW 23 7730 P 03/19-22 17 0 39 47 W 17 1 320 SW 23 6487 P 03/19-23 17 0 37 49 SW 18 1 255 SW 24 5245 P 03/20-00 17 0 36 50 SW 20 31 3 1 W56 190 SW 24 4002 P 03/20-01 17 0 34 52 SW 20 1 186 SW 23 3750 P 03/20-02 17 0 33 53 W 18 1 181 SW 22 3498 P 03/20-03 17 0 33 54 W 17 28 3 1 SW54 177 SW 21 3246 P 03/20-04 17 0 32 54 W 17 1 178 W 21 3195 P 03/20-05 17 0 32 53 W 16 1 180 W 21 3144 P 03/20-06 27 0 33 52 W 16 25 4 1 SW55 181 W 20 3093 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 $$ FORECASTER...GIMMESTAD REQUESTED BY...CHAD BUSER REASON FOR REQUEST...WILDFIRE .TAG 20110316.LEFTH.03/BOU