FNUS75 KBOU 031023 FWSBOU SPOT FORECAST FOR LOST...USFS NATIONAL WEATHER SERVICE DENVER CO 421 AM MDT WED AUG 3 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LINGERING MOISTURE COMBINED WITH AFTERNOON HEATING WILL ALLOW FOR A CHANCE OF THUNDERSTORMS. THE THUNDERSTORMS COULD PRODUCE SOME LOCALLY HEAVY RAIN. TEMPERATURES AND HUMIDITY LEVELS WILL CHANGE LITTLE WITH LIGHT WINDS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....73. MIN HUMIDITY........48%. 20-FOOT WINDS.......SOUTH WINDS 6-7 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 4400-5400 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(50-60%). CHANCE OF THUNDERSTORMS UNTIL 2400. MIN TEMPERATURE.....55. MAX HUMIDITY........70%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......2200-3200 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 0900 UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....74. MIN HUMIDITY........39%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN THE MORNING. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 2200-3200 FT AGL UNTIL 0900...THEN 5400-6400 FT AGL UNTIL 1100...THEN 8200-9200 FT AGL UNTIL 1700...THEN 5400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0800...THEN FAIR UNTIL 0900...THEN GOOD UNTIL 1600...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 0600 UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 9 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 7 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 8 MPH. FIRE WEATHER TABLE FOR LOST. +++ 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 08/03-04 73 21 4 54 90 S 5 5 2 3 SW10 685 S 9 5772 P 08/03-05 73 21 4 54 89 SW 5 5 2 3 SW10 633 S 8 4763 P 08/03-06 64 20 4 54 86 SW 5 5 2 1 SW12 582 S 7 3755 P 08/03-07 64 20 4 55 82 S 5 5 2 1 SW13 1212 S 7 6332 P 08/03-08 64 20 4 58 72 S 6 6 2 1 W14 1842 SW 6 8910 P 08/03-09 64 20 4 62 64 S 6 6 2 1 W15 2471 SW 6 11488 P 08/03-10 64 20 4 65 58 S 6 6 2 1 W17 3547 SW 7 21601 P 08/03-11 64 20 4 67 54 S 7 7 2 1 W21 4622 W 7 31715 P 08/03-12 71 40 18 68 52 S 7 7 2 4 W23 5698 W 8 41828 F 08/03-13 71 40 18 69 50 S 7 7 2 4 W24 5698 W 9 46143 F 08/03-14 71 40 18 70 48 S 6 6 2 4 W26 5699 W10 50458 F 08/03-15 71 40 18 70 48 SW 6 6 2 4 W26 5699 W12 54773 F 08/03-16 71 40 18 71 48 SW 6 6 2 4 W26 4885 W12 47580 F 08/03-17 71 40 18 70 49 SW 6 6 2 4 W24 4070 W12 40387 F 08/03-18 80 37 15 67 55 SW 6 6 2 4 W23 3255 W12 33193 P 08/03-19 80 37 15 65 59 SW 5 5 2 4 W21 2255 W10 22566 P 08/03-20 80 37 15 63 63 SW 3 3 2 4 W20 1255 W 8 11939 P 08/03-21 80 37 15 61 66 W 3 3 2 4 W18 255 W 6 1312 P 08/03-22 80 37 15 59 69 W 5 5 2 4 W17 243 W 7 1434 P 08/03-23 80 37 15 58 69 W 6 6 2 4 W18 231 W 8 1556 P 08/04-00 50 7 1 57 68 W 7 7 2 1 W18 219 W 9 1679 P 08/04-01 50 7 1 56 69 W 8 13 2 1 W20 220 W 9 1866 P 08/04-02 50 7 1 56 70 W 9 14 2 1 W20 222 W10 2053 P 08/04-03 50 7 1 56 70 W 9 15 2 1 W21 223 W12 2240 P 08/04-04 50 7 1 55 70 W 9 15 2 1 W22 219 W12 2123 P 08/04-05 50 7 1 55 69 W 9 15 2 1 W23 215 W10 2005 P 08/04-06 56 7 1 55 69 W 9 15 2 1 W24 211 W10 1888 P 08/04-07 56 7 1 57 64 W10 16 2 1 W24 1852 W12 22250 P 08/04-08 56 7 1 63 52 W12 18 2 1 W24 3493 W13 42613 F 08/04-09 56 16 3 66 48 W13 21 2 3 W23 5134 W14 62975 G 08/04-10 56 16 3 70 42 W13 20 2 3 W24 6599 W14 77254 G 08/04-11 56 16 3 73 40 W13 18 2 3 W25 8064 W13 91532 G 08/04-12 73 40 18 73 40 W12 17 2 4 W24 9529 W13 105811 V 08/04-13 73 40 18 74 39 W10 16 2 4 W22 9610 W12 93099 G 08/04-14 73 40 18 73 41 W10 15 3 4 W17 9692 W 9 80386 G 08/04-15 73 40 18 72 43 W 9 14 3 4 W14 9773 W 8 67673 G 08/04-16 73 40 18 72 44 W 8 8 3 4 W12 7634 W 7 48999 F 08/04-17 73 40 18 70 47 W 8 8 3 4 W10 5496 W 6 30324 P 08/04-18 60 31 10 69 50 W 7 7 3 4 W10 3357 W 3 11649 P 08/04-19 60 31 10 66 55 W 6 6 3 4 W10 2331 W 5 8281 P 08/04-20 60 31 10 63 62 W 6 6 3 4 W10 1305 W 6 4912 P 08/04-21 60 31 10 61 68 W 6 6 3 4 W12 279 W 7 1544 P 08/04-22 60 31 10 58 74 W 7 7 3 4 W12 249 W 7 1417 P 08/04-23 60 31 10 57 78 W 7 7 2 4 SW13 219 W 7 1291 P 08/05-00 22 5 1 56 78 W 8 8 2 1 SW14 189 W 7 1165 P 08/05-01 22 5 1 55 79 W 8 8 2 1 SW15 176 W 7 1078 P 08/05-02 22 5 1 54 79 W 7 7 3 1 SW17 162 W 7 991 P 08/05-03 22 5 1 54 77 W 7 7 3 1 SW20 149 W 7 904 P 08/05-04 22 5 1 54 76 W 8 8 3 1 SW20 145 W 8 945 P 08/05-05 22 5 1 54 74 W 8 8 3 1 W18 141 W 8 986 P 08/05-06 38 10 2 53 73 W 9 14 3 2 W17 136 W 9 1028 P 08/05-07 38 10 2 56 66 W 9 9 3 2 W16 1485 W10 15851 P 08/05-08 38 10 2 64 51 W 8 8 3 2 W15 2834 W12 30674 P 08/05-09 38 10 2 67 46 W 8 8 3 2 W15 4184 W13 45497 F 08/05-10 38 10 2 72 39 W 8 8 3 2 W16 6609 W13 70714 G 08/05-11 38 10 2 75 35 W 8 8 3 2 W17 9034 W13 95931 G 08/05-12 54 30 9 75 34 W 9 14 3 4 W18 11460 W13 121148 V 08/05-13 54 30 9 76 34 W10 15 3 4 W16 10816 W13 122262 V 08/05-14 54 30 9 74 36 W12 16 3 4 W14 10173 W14 123377 V 08/05-15 54 30 9 73 38 W12 17 3 4 W13 9529 W15 124491 V 08/05-16 54 30 9 73 37 W12 17 3 4 W13 7799 W16 107664 V 08/05-17 54 30 9 72 39 W12 16 4 4 W15 6068 W18 90837 G 08/05-18 54 30 9 70 40 W10 16 4 4 W17 4337 W20 74010 G 08/05-19 54 30 9 67 44 W 9 9 4 4 W18 2999 W17 50590 F 08/05-20 54 30 9 64 49 W 8 8 4 4 W18 1661 W15 27170 P 08/05-21 54 30 9 61 53 W 7 7 4 4 W18 322 W14 3750 P 08/05-22 54 30 9 58 58 W 7 7 4 4 W17 276 W13 3026 P 08/05-23 54 30 9 56 62 W 7 7 3 4 W16 229 W12 2303 P 08/06-00 26 5 1 56 63 SW 7 7 3 1 W15 183 W10 1579 P 08/06-01 26 5 1 55 64 W 7 7 3 1 W16 172 W10 1494 P 08/06-02 26 5 1 54 64 W 8 8 3 1 W17 162 W10 1409 P 08/06-03 26 5 1 54 63 W 8 8 3 1 W18 152 W10 1323 P 08/06-04 26 5 1 53 63 W 8 8 3 1 W20 146 W10 1291 P 08/06-05 26 5 1 53 63 W 9 9 3 1 W21 141 W10 1259 P 08/06-06 26 5 1 53 63 W 9 14 3 1 NW21 135 W10 1227 P 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 $$ WFO BOULDER REQUESTED BY...MARK NELSON REASON FOR REQUEST...WILDFIRE .TAG 20110802.LOST_.02/BOU