FNUS75 KBOU 151353 FWSBOU SPOT FORECAST FOR LEFTHAND CANYON FIRE...USFS NATIONAL WEATHER SERVICE DENVER CO 753 AM MDT TUE MAR 15 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL RIDGE WILL MOVE ACROSS THE AREA TODAY BRINGING WARM AND DRY CONDITIONS TODAY AND WEDNESDAY. LIGHT SOUTHEAST WINDS WILL SHIFT TO THE WEST THIS AFTERNOON. WINDS WILL BECOME GUSTY TONIGHT AS WINDS ALOFT INCREASE. GUSTY WINDS ARE EXPECTED AGAIN WEDNESDAY. RECORD HIGH TEMPERATURES WILL BE POSSIBLE WEDNESDAY. THIS WILL HELP PUSH HUMIDITIES DOWN TO NEAR SINGLE DIGIT VALUES. VERY WINDY AND VERY DRY CONDITIONS WILL BE POSSIBLE THURSDAY AHEAD OF A COLD FRONT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....56-61. MIN HUMIDITY........19-24%. 20-FOOT WINDS.......SOUTHEAST WINDS 4-12 MPH UNTIL 1500 THEN SHIFTING TO THE WEST 8-13 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....WEST 13-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 6800-7800 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1300...THEN VERY GOOD UNTIL 1500...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2400...THEN MOSTLY CLOUDY(50-60%). MIN TEMPERATURE.....33-38. MAX HUMIDITY........52-59%. 20-FOOT WINDS.......BREEZY. WEST WINDS 18-28 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......4800-5800 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2300. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MAX TEMPERATURE.....65-70. MIN HUMIDITY........9-14%. 20-FOOT WINDS.......BREEZY. WEST WINDS 15-25 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....WEST 32-40 MPH UNTIL 1200...THEN 20-28 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000. 7000-8000 FT AGL AFTER 1500. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500. HAINES INDEX........4 LOW. 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 03/15-07 30 0 33 60 W 8 1 1136 W 12 14374 P 03/15-08 30 0 33 58 SW 5 1 1899 W 14 25545 P 03/15-09 30 0 41 44 S 2 2 3 1 W25 2663 W 16 36716 P 03/15-10 30 0 45 37 S 5 1 3506 W 17 55953 F 03/15-11 30 0 49 33 S 8 1 4348 W 20 75190 G 03/15-12 40 0 50 32 S 10 16 3 1 W33 5191 W 21 94427 G 03/15-13 40 0 53 28 S 9 1 6240 W 22 117825 V 03/15-14 40 0 55 26 S 7 1 7289 W 22 141222 V 03/15-15 40 0 56 25 S 5 5 2 1 W38 8337 W 23 164620 E 03/15-16 40 0 57 23 S 5 1 7584 W 22 147986 V 03/15-17 40 0 56 23 SW 5 1 6832 W 22 131352 V 03/15-18 50 0 52 27 SW 6 6 2 1 W31 6079 W 22 114719 V 03/15-19 50 0 50 29 SW 8 1 4601 W 23 89317 G 03/15-20 50 0 47 33 W 12 1 3123 W 25 63916 G 03/15-21 50 0 44 38 W 14 22 2 1 NW24 1645 W 26 38515 P 03/15-22 50 0 42 42 W 15 1 1195 W 25 27622 P 03/15-23 50 0 40 46 W 16 1 745 W 24 16730 P 03/16-00 59 0 39 49 W 17 28 3 1 W30 296 W 23 5838 P 03/16-01 59 0 38 51 W 20 1 264 W 24 5509 P 03/16-02 59 0 37 52 W 22 1 232 W 26 5180 P 03/16-03 59 0 36 53 W 24 39 2 1 W28 201 W 28 4850 P 03/16-04 59 0 36 54 W 25 1 202 W 29 5082 P 03/16-05 59 0 36 54 W 25 1 202 W 30 5314 P 03/16-06 40 0 36 54 W 25 40 3 1 W 9 203 W 31 5546 P 03/16-07 40 0 37 54 W 25 1 415 W 36 14328 P 03/16-08 40 0 40 50 W 25 1 628 W 39 23109 P 03/16-09 40 0 44 44 W 25 40 4 1 SW14 840 W 44 31890 P 03/16-10 40 0 49 36 W 24 1 2219 W 37 53128 F 03/16-11 40 0 54 29 W 23 1 3599 W 29 74365 G 03/16-12 40 0 58 24 W 22 33 4 1 SW 6 4978 W 22 95602 G 03/16-13 40 0 61 20 W 22 1 6163 W 22 120667 V 03/16-14 40 0 63 16 W 23 1 7348 W 23 145731 V 03/16-15 40 0 64 15 W 24 37 3 1 S 9 8533 W 23 170796 E 03/16-16 40 0 64 15 W 24 1 7353 W 26 161888 E 03/16-17 40 0 62 17 W 25 1 6174 W 30 152979 E 03/16-18 46 10 58 21 W 25 38 3 1 S 8 4994 W 33 144071 V 03/16-19 46 10 56 23 W 25 1 3644 W 37 108504 V 03/16-20 46 10 52 26 W 25 1 2294 W 41 72937 G 03/16-21 46 10 47 31 W 25 38 4 1 SW15 943 W 46 37370 P 03/16-22 46 10 44 37 W 24 1 712 W 41 27188 P 03/16-23 46 10 42 41 W 24 1 481 W 36 17006 P 03/17-00 46 10 41 45 W 24 37 2 1 W33 250 W 31 6825 P 03/17-01 46 10 39 49 W 28 1 252 W 35 7584 P 03/17-02 46 10 38 52 W 31 1 255 W 38 8343 P 03/17-03 46 10 37 54 W 33 51 3 1 W51 258 W 40 9102 P 03/17-04 46 10 36 56 W 33 1 267 W 39 9136 P 03/17-05 46 10 37 56 W 31 1 276 W 38 9170 P 03/17-06 61 10 37 55 W 28 41 3 1 W66 285 W 37 9205 P 03/17-07 61 10 38 54 W 22 1 681 W 35 18664 P 03/17-08 61 10 39 50 W 15 1 1077 W 32 28124 P 03/17-09 61 10 43 43 W 9 9 2 1 SW54 1472 W 30 37584 P 03/17-10 61 10 48 35 SW 8 1 3309 W 31 92975 G 03/17-11 61 10 52 30 SW 8 1 5147 W 32 148367 V 03/17-12 61 10 55 26 S 10 10 2 1 SW60 6984 SW 33 203758 E 03/17-13 61 10 57 25 S 14 1 7722 SW 38 256859 E 03/17-14 61 10 59 24 SW 16 1 8459 SW 41 309960 E 03/17-15 61 10 60 24 SW 18 28 3 1 SW62 9197 SW 45 363061 E 03/17-16 61 10 59 24 W 17 1 8056 SW 40 293906 E 03/17-17 61 10 57 24 NW 14 1 6914 SW 36 224751 E 03/17-18 71 30 53 28 NW 10 10 3 1 SW45 5773 SW 31 155596 E 03/17-19 71 30 50 32 W 7 1 5470 SW 25 123520 V 03/17-20 71 30 46 40 SW 3 1 5168 SW 20 91444 G 03/17-21 71 30 41 51 S 2 2 2 1 SW46 4865 SW 14 59368 F 03/17-22 71 30 37 62 S 5 1 4149 SW 18 61534 G 03/17-23 71 30 35 70 SW 8 1 3433 W 23 63700 G 03/18-00 71 30 33 75 W 12 17 2 1 SW62 2717 W 28 65866 G 03/18-01 71 30 31 80 W 15 1 2509 W 30 64828 G 03/18-02 71 30 30 79 W 17 1 2300 W 32 63790 G 03/18-03 71 30 29 77 W 20 30 2 1 W62 2091 W 35 62751 G 03/18-04 71 30 28 73 W 22 1 2216 W 38 73886 G 03/18-05 71 30 28 66 W 23 1 2342 W 41 85020 G 03/18-06 29 0 29 61 W 23 35 3 1 W53 2467 W 45 96155 G 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...ERIC STAHLIN REASON FOR REQUEST...WILDFIRE .TAG 20110315.LEFTH.01/BOU