FNUS75 KBOU 280025 FWSBOU SPOT FORECAST FOR TREE FIRE...USFS NATIONAL WEATHER SERVICE DENVER CO 617 PM MDT SAT AUG 27 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE THUNDERSTORMS WILL WEAKEN AS THEY MOVE TO THE SOUTHEAST THIS EVENING. THE THREAT THUNDERSTORMS IS EXPECTED TO DIMINISH BY 2100 WITH SOME PARTIAL CLEARING OVERNIGHT. THERE WILL BE SOME SLIGHT COOLING ON SUNDAY WITH A THREAT OF ADDITIONAL SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AND EVENING. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY(50-60%). CHANCE OF THUNDERSTORMS UNTIL 2100...BECOMING PARTLY CLOUDY (30-40%) AFTER 2400. MIN TEMPERATURE.....50-54. MAX HUMIDITY........50-55%. 20-FOOT WINDS.......NORTH WINDS 5-6 MPH UNTIL 2400...THEN WEST 7-13 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......9400 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2200. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 VERY LOW. .SUNDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200...THEN MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....71-74. MIN HUMIDITY........35-38%. 20-FOOT WINDS.......NORTH WINDS 7-13 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....NORTH 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 8200-9200 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .SUNDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 2200...THEN SLIGHT CHANCE OF SHOWERS OR THUNDERSTORMS. MIN TEMPERATURE.....51-54. MAX HUMIDITY........65-70%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....NORTH AROUND 4 MPH UNTIL 2400...THEN NORTHWEST 2-8 MPH. MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2000...THEN 5800-6800 FT AGL UNTIL 2200...THEN BELOW 1000 FT AGL UNTIL 2300...THEN 1000-1200 FT AGL UNTIL 0400...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .MONDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%). CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....65-68. MIN HUMIDITY........42-46%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....NORTHWEST 1-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 2000-3000 FT AGL UNTIL 0900...THEN 6400-7400 FT AGL UNTIL 1700...THEN 4800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 7 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 8 MPH. .THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 5 MPH. FIRE WEATHER TABLE FOR TREEFIRE. +++ 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 08/27-18 69 31 10 74 33 NE 5 5 2 4 NW16 9343 NW 8 64462 G 08/27-19 69 31 10 71 35 NE 5 5 2 4 NW14 6637 NW 6 43888 F 08/27-20 69 31 10 68 38 NE 3 3 3 4 NW13 3930 NW 5 23314 P 08/27-21 69 31 10 66 41 N 3 3 3 4 NW12 1224 NW 2 2741 P 08/27-22 69 31 10 65 43 N 5 5 3 4 NW12 899 NW 5 2351 P 08/27-23 69 31 10 63 45 NW 6 6 3 4 NW13 573 NW 6 1961 P 08/28-00 53 10 2 61 48 W 7 7 3 2 NW13 247 W 7 1571 P 08/28-01 53 10 2 59 51 W 8 13 3 2 NW10 223 W 8 1503 P 08/28-02 53 10 2 57 53 W 8 14 3 2 W 8 198 W 8 1435 P 08/28-03 53 10 2 56 54 W 9 15 3 2 W 6 174 W 9 1367 P 08/28-04 53 10 2 56 54 W10 16 3 2 W 6 175 W 9 1479 P 08/28-05 53 10 2 56 55 W12 17 3 2 W 6 177 W10 1590 P 08/28-06 50 10 2 56 55 W12 18 3 2 W 7 178 W12 1701 P 08/28-07 50 10 2 57 53 W12 18 3 2 W 8 495 W10 3857 P 08/28-08 50 10 2 59 49 NW10 17 3 2 SW 9 812 NW 9 6014 P 08/28-09 50 10 2 63 44 NW10 16 3 2 SW10 1129 NW 8 8170 P 08/28-10 50 10 2 66 40 NW10 16 3 2 SW 9 3631 NW 7 15922 P 08/28-11 50 10 2 68 39 NW 9 15 2 2 SW 8 6133 N 6 23673 P 08/28-12 72 29 8 69 38 NW 9 15 2 4 S 8 8635 N 5 31425 P 08/28-13 72 29 8 70 38 N 8 14 2 4 SW 9 8829 N 3 26088 P 08/28-14 72 29 8 71 38 N 8 13 2 4 SW12 9023 N 2 20752 P 08/28-15 72 29 8 72 39 N 7 7 2 4 SW14 9218 N 2 15415 P 08/28-16 72 29 8 72 41 N 6 6 2 4 SW15 9127 N 2 18314 P 08/28-17 72 29 8 71 43 N 5 5 2 4 W16 9037 NW 2 21213 P 08/28-18 73 36 14 70 46 N 3 3 2 4 W16 8946 NW 3 24112 P 08/28-19 73 36 14 68 50 N 3 3 2 4 W15 7910 N 3 24891 P 08/28-20 73 36 14 66 54 NW 3 3 2 4 W14 6873 NE 5 25670 P 08/28-21 73 36 14 64 57 NW 3 3 2 4 W12 5836 NE 6 26449 P 08/28-22 73 36 14 56 75 NW 2 2 2 4 W13 619 N 3 3030 P 08/28-23 73 36 14 56 72 N 2 2 2 4 W13 917 NE 6 5440 P 08/29-00 54 15 3 56 70 CALM 1 2 3 W14 1215 NE 7 7850 P 08/29-01 54 15 3 56 68 CALM 1 2 3 W15 1124 N 6 5419 P 08/29-02 54 15 3 56 68 W 2 2 2 3 NW15 1034 NW 3 2988 P 08/29-03 54 15 3 55 71 SW 2 2 2 3 NW15 943 CALM 557 P 08/29-04 54 15 3 54 72 SW 2 2 2 3 NW15 791 CALM 548 P 08/29-05 54 15 3 55 70 W 3 3 2 3 NW14 639 CALM 539 P 08/29-06 51 19 4 54 69 W 3 3 2 3 NW14 486 CALM 530 P 08/29-07 51 19 4 56 64 W 3 3 2 3 NW15 1849 W 2 8019 P 08/29-08 51 19 4 60 58 W 2 2 2 3 NW15 3212 W 5 15507 P 08/29-09 51 19 4 63 52 SW 2 2 2 3 NW16 4575 NW 6 22996 P 08/29-10 51 19 4 66 48 SW 2 2 2 3 NW16 5509 NW 7 36967 P 08/29-11 51 19 4 68 46 CALM 1 2 3 NW15 6444 NW 9 50938 F 08/29-12 71 35 13 68 47 CALM 1 2 4 NW15 7379 NW10 64910 G 08/29-13 71 35 13 67 47 CALM 1 2 4 NW17 7432 NW 9 61818 G 08/29-14 71 35 13 67 48 CALM 1 2 4 NW20 7486 NW 9 58727 F 08/29-15 71 35 13 66 50 CALM 1 2 4 W22 7540 W 8 55636 F 08/29-16 71 35 13 65 54 CALM 1 2 4 W23 6209 W 7 39809 P 08/29-17 71 35 13 63 58 CALM 1 2 4 W24 4878 NW 5 23981 P 08/29-18 78 29 8 61 65 CALM 1 2 4 W24 3548 NW 2 8154 P 08/29-19 78 29 8 59 71 CALM 1 2 4 W24 2489 NW 3 5969 P 08/29-20 78 29 8 56 77 NW 2 2 3 4 NW24 1431 W 5 3783 P 08/29-21 78 29 8 56 76 W 3 3 3 4 NW22 372 W 5 1597 P 08/29-22 78 29 8 55 76 W 5 5 3 4 NW20 319 W 7 1638 P 08/29-23 78 29 8 55 72 W 7 7 3 4 NW16 265 W 8 1679 P 08/30-00 35 10 2 54 69 W 8 8 3 2 NW14 212 W 9 1720 P 08/30-01 35 10 2 55 66 W 9 9 3 2 NW13 214 W 9 1792 P 08/30-02 35 10 2 55 64 W10 10 3 2 W14 216 W10 1865 P 08/30-03 35 10 2 54 65 W10 10 3 2 W16 217 W10 1938 P 08/30-04 35 10 2 54 66 W10 10 3 2 W17 214 W10 1913 P 08/30-05 35 10 2 54 65 W 9 9 3 2 W21 210 W10 1888 P 08/30-06 33 11 2 54 64 W 9 9 3 2 W23 206 W10 1863 P 08/30-07 33 11 2 56 57 W 9 9 3 2 W23 1423 W14 22591 P 08/30-08 33 11 2 60 51 W 9 9 3 2 W24 2640 W16 43318 F 08/30-09 33 11 2 65 45 W 9 9 3 2 W25 3857 W20 64045 G 08/30-10 33 11 2 69 38 W 8 8 3 2 W29 5877 W22 116996 V 08/30-11 33 11 2 71 33 W 7 7 3 2 W32 7898 W24 169947 E 08/30-12 58 22 4 71 31 W 6 6 3 3 W33 9918 W25 222898 E 08/30-13 58 22 4 71 32 W 5 5 3 3 W32 9994 W24 207182 E 08/30-14 58 22 4 70 33 W 5 5 3 3 W30 10070 W22 191466 E 08/30-15 58 22 4 69 36 W 5 5 3 3 W28 10146 W20 175750 E 08/30-16 58 22 4 68 40 W 5 5 3 3 W26 7449 W17 125231 V 08/30-17 58 22 4 66 44 W 6 6 3 3 W26 4751 W16 74711 G 08/30-18 54 22 4 63 51 W 6 6 3 3 W26 2054 W14 24192 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 $$ FORECASTER...WFO BOULDER REQUESTED BY...DISPATCH REASON FOR REQUEST...WILDFIRE .TAG 20110827.TREEF.01/BOU