FNUS75 KBOU 131220 FWSBOU SPOT FORECAST FOR LEFTHAND CANYON FIRE...CSFS NATIONAL WEATHER SERVICE DENVER CO 620 AM MDT SUN MAR 13 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...CLOUDS AND SHOWERS EARLY THIS MORNING WILL GIVE WAY TO DRYING CONDITIONS BY LATE MORNING. AN UPPER LEVEL DISTURBANCE IS MOVING OVER NORTHEAST COLORADO THIS MORNING WHILE AN UPPER LEVEL RIDGE BUILDS IN FROM THE WEST. WINDS ALOFT WILL BE MODERATE AND OUT OF THE NORTHWEST. SCATTERED SNOW SHOWERS WILL CONTINUE WEST OF THE CONTINENTAL DIVIDE THROUGH THIS AFTERNOON...BUT LITTLE ADDITIONAL SHOWER ACTIVITY IS EXPECTED OVER THE BURN AREA. TEMPERATURES WILL BE AROUND SEASONAL NORMALS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1000...THEN MOSTLY SUNNY. SCATTERED SNOW SHOWERS UNTIL 0900...THEN ISOLATED RAIN SHOWERS AND SNOW SHOWERS. MAX TEMPERATURE.....46-52. MIN HUMIDITY........32-40%. 20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH UNTIL 0900...THEN UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN WEST 6-10 MPH. TRANSPORT WINDS.....NORTHWEST 12-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. RISING TO 8000-9000 FT AGL BY 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1200...THEN VERY GOOD. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....26-30. MAX HUMIDITY........52-60%. 20-FOOT WINDS.......WEST WINDS 7-12 MPH. TRANSPORT WINDS.....WEST 6-12 MPH. MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2400. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 VERY LOW. .MONDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MAX TEMPERATURE.....62. MIN HUMIDITY........19%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. GUSTS UP TO 20 MPH LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 10-20 MPH UNTIL 1200...THEN 20-28 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000. 7000-8000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1200. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 0600. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 7 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1800. WARMER. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH. .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. COOLER. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. WEST WINDS AROUND 5 MPH WITH GUSTS TO 20 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 03/13-06 63 40 31 73 NW 5 5 2 1 W39 547 NW 12 5560 P 03/13-07 63 40 32 71 NW 3 1 1231 NW 13 13934 P 03/13-08 63 40 33 67 W 2 1 1915 NW 13 22309 P 03/13-09 52 40 35 60 W 2 2 3 1 W33 2599 NW 14 30683 P 03/13-10 52 40 39 52 NW 2 1 4094 NW 16 64133 G 03/13-11 52 10 41 46 NW 2 1 5589 NW 18 97583 G 03/13-12 25 10 44 42 NW 3 3 3 1 NW29 7085 NW 21 131033 V 03/13-13 25 10 46 39 NW 5 1 8159 NW 20 140438 V 03/13-14 25 10 47 37 W 6 1 9233 NW 18 149844 V 03/13-15 25 10 48 36 W 7 7 3 1 NW26 10306 NW 17 159249 E 03/13-16 25 10 47 36 W 7 1 9217 NW 16 131286 V 03/13-17 25 10 46 38 W 7 1 8127 NW 14 103324 V 03/13-18 30 0 44 41 W 6 6 3 1 NW20 7037 NW 13 75361 G 03/13-19 30 0 42 42 W 5 1 5415 NW 10 55076 F 03/13-20 30 0 40 45 W 5 1 3793 NW 9 34790 P 03/13-21 30 0 37 48 SW 5 5 2 1 NW33 2170 NW 8 14505 P 03/13-22 30 0 35 50 SW 6 1 1619 W 7 10464 P 03/13-23 30 0 34 51 SW 8 1 1068 W 6 6424 P 03/14-00 16 0 33 51 SW 9 14 3 1 NW35 517 SW 6 2383 P 03/14-01 16 0 32 52 SW 9 1 437 W 6 2124 P 03/14-02 16 0 31 51 W 8 1 357 W 6 1866 P 03/14-03 16 0 30 51 W 7 7 3 1 NW24 277 W 7 1608 P 03/14-04 16 0 30 50 W 7 1 260 W 7 1546 P 03/14-05 16 0 30 49 W 7 1 244 W 7 1484 P 03/14-06 41 5 30 49 W 7 7 3 1 W21 227 W 7 1423 P 03/14-07 41 5 31 49 W 7 1 372 W 7 2372 P 03/14-08 41 5 35 43 W 6 1 518 W 7 3320 P 03/14-09 41 5 39 37 W 5 5 3 1 SW17 663 W 7 4269 P 03/14-10 41 5 44 31 W 6 1 2667 W 14 57090 F 03/14-11 41 5 49 27 W 8 1 4671 W 21 109910 V 03/14-12 40 5 53 24 W 10 16 2 1 W22 6676 W 28 162730 E 03/14-13 40 5 56 21 W 12 1 7302 W 25 155264 E 03/14-14 40 5 59 19 W 12 1 7927 W 22 147797 V 03/14-15 40 5 60 19 W 12 18 2 1 NW14 8553 W 18 140331 V 03/14-16 40 5 59 19 W 12 1 7685 W 22 140686 V 03/14-17 40 5 58 21 W 10 1 6817 W 24 141040 V 03/14-18 60 21 55 23 W 9 15 2 1 W 8 5949 W 28 141394 V 03/14-19 60 21 52 27 W 9 1 4578 W 23 102267 V 03/14-20 60 21 49 32 W 8 1 3206 W 20 63140 G 03/14-21 60 21 44 40 W 8 13 2 1 SW23 1834 W 15 24013 P 03/14-22 60 21 42 47 W 8 1 1355 W 14 17407 P 03/14-23 60 21 40 53 W 8 1 875 W 13 10801 P 03/15-00 50 21 38 58 W 8 13 2 1 W45 395 W 13 4195 P 03/15-01 50 21 36 62 W 8 1 361 W 13 3861 P 03/15-02 50 21 35 64 W 9 1 327 W 13 3527 P 03/15-03 50 21 35 65 W 9 15 3 1 W25 292 NW 13 3192 P 03/15-04 50 21 34 65 W 9 1 477 W 17 8694 P 03/15-05 50 21 34 63 W 8 1 661 W 22 14197 P 03/15-06 40 0 35 62 W 8 13 3 1 W16 846 W 26 19699 P 03/15-07 40 0 35 60 W 8 1 1804 W 29 47998 F 03/15-08 40 0 37 57 W 8 1 2763 W 31 76297 G 03/15-09 40 0 40 51 W 8 13 3 1 NW23 3721 W 32 104596 V 03/15-10 40 0 44 44 W 7 1 4911 NW 31 127440 V 03/15-11 40 0 47 38 S 6 1 6102 NW 29 150283 E 03/15-12 30 0 50 34 SE 5 5 2 1 NW49 7292 NW 28 173127 E 03/15-13 30 0 52 31 SE 5 1 7873 NW 23 156651 E 03/15-14 30 0 54 29 S 5 1 8454 NW 20 140176 V 03/15-15 30 0 55 28 S 5 5 2 1 NW33 9034 NW 16 123701 V 03/15-16 30 0 55 28 S 5 1 8120 NW 13 95721 G 03/15-17 30 0 53 29 S 6 1 7206 NW 10 67742 G 03/15-18 35 0 51 30 SW 6 6 3 1 NW28 6292 NW 7 39762 P 03/15-19 35 0 49 32 SW 6 1 4939 W 7 30184 P 03/15-20 35 0 47 36 SW 7 1 3586 W 6 20605 P 03/15-21 35 0 44 40 SW 7 7 4 1 W24 2233 W 6 11026 P 03/15-22 35 0 41 43 SW 7 1 1708 W 7 8867 P 03/15-23 35 0 40 45 W 8 1 1183 W 7 6707 P 03/16-00 35 0 39 46 W 8 13 2 1 W29 658 SW 8 4548 P 03/16-01 40 0 38 49 W 9 1 531 W 9 3986 P 03/16-02 40 0 37 50 W 9 1 404 W 10 3424 P 03/16-03 40 0 36 51 W 10 16 2 1 NW16 276 W 12 2862 P 03/16-04 40 0 36 51 W 12 1 288 W 14 3456 P 03/16-05 40 0 36 51 W 12 1 299 W 15 4050 P 03/16-06 40 7 36 50 W 13 21 4 1 NW26 310 W 17 4645 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 $$ DANKERS...WFO BOULDER REQUESTED BY...ERIC GETTENBERG REASON FOR REQUEST...WILDFIRE .TAG 20110313.LEFTH.01/BOU