FNUS75 KBOU 211533 FWSBOU SPOT FORECAST FOR PRO CYCLE BIKE RACE...USFS NATIONAL WEATHER SERVICE DENVER CO 905 AM MDT TUE AUG 21 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COUPLE OF WEATHER DISTURBANCES WILL BRUSH ACROSS COLORADO WEDNESDAY THROUGH FRIDAY WITH A CHANCE OF THUNDERSTORMS EACH DAY. THE BEST CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE ON FRIDAY. OVERALL NO SIGNIFICANT WINDS ARE FORECAST THIS WEAK SO THE WILDFIRE THREAT WILL BE LOW. WILDFIRE THREATS WILL BE CONFINED TO GUSTY OUTLOW WINDS AND LIGHTNING ASSOCIATED WITH THUNDERSTORMS. IT WILL BE DRY OVER THE WEEKEND WITH A WEAK WESTERLY FLOW ALOFT. TEMPERATURES WILL BE SLIGHTLY ABOVE THROUGH THE WEEK WITH HIGHS IN THE MID 80S...THEN WITH NEAR NORMAL TEMPERATURES FOR THE WEEKEND WITH HIGHS IN THE MID 70S TO LOWER 80S IN THE LOWER FOOTHILLS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY UNTIL 1200...THEN PARTLY CLOUDY(30-40%). SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500. MAX TEMPERATURE.....83. MIN HUMIDITY........20%. 20-FOOT WINDS.......WEST WINDS 5-6 MPH UNTIL 0900...THEN UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN SOUTHEAST 7-13 MPH. TRANSPORT WINDS.....WEST AROUND 4 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 11200-12200 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1500...THEN GOOD UNTIL 1600...THEN FAIR. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100. MIN TEMPERATURE.....54. MAX HUMIDITY........62%. 20-FOOT WINDS.......SOUTHWEST WINDS 6-12 MPH. TRANSPORT WINDS.....SOUTHWEST 4-8 MPH. MIXING HEIGHT.......10600 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2400. SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 0300. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....84. MIN HUMIDITY........23%. 20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH UNTIL 1500...THEN UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....WEST 4-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000. 11000-12000 FT AGL AFTER 1400. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1300...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200 UNTIL 1800...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 80. NORTHWEST WINDS AROUND 7 MPH. .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 0600 UNTIL 1800...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. FIRE WEATHER TABLE FOR PRO CYCLEBIKERACE. +++ 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 08/21-08 4 0 0 62 46 W 2 2 2 1 NW20 2688 W 6 11398 P 08/21-09 4 0 0 68 38 CALM 1 2 1 NW18 3955 NW 5 16691 P 08/21-10 4 0 0 72 32 SW 2 2 2 1 NW16 6248 NW 5 28418 P 08/21-11 4 4 1 76 28 SE 3 3 2 1 NW15 8540 NW 6 40145 F 08/21-12 35 4 1 78 25 E 6 6 2 1 NW14 10832 NW 6 51872 F 08/21-13 35 4 1 80 22 E 7 7 2 1 NW14 11335 NW 6 55838 F 08/21-14 35 4 1 81 21 SE 7 7 2 1 W15 11837 W 6 59803 F 08/21-15 35 10 2 83 20 SE 7 7 2 2 W16 12340 W 6 63768 G 08/21-16 35 10 2 83 20 SE 8 8 2 2 W16 11766 W 6 59516 F 08/21-17 35 10 2 82 21 SE 8 13 3 2 W16 11193 SW 6 55265 F 08/21-18 44 10 2 81 22 SE 8 13 3 2 W16 10619 SW 6 51013 F 08/21-19 44 10 2 78 25 SE 7 7 3 2 W16 8003 SW 7 41304 F 08/21-20 44 10 2 74 29 S 6 6 3 2 W15 5387 S 8 31596 P 08/21-21 44 0 0 71 32 S 5 5 3 1 W15 2771 S 9 21887 P 08/21-22 44 0 0 69 35 S 5 5 3 1 W16 1930 S 8 15019 P 08/21-23 44 0 0 66 39 S 5 5 3 1 W18 1089 S 7 8152 P 08/22-00 15 0 0 63 45 SW 6 6 3 1 W21 248 SW 6 1284 P 08/22-01 15 0 0 60 51 SW 7 7 3 1 W21 220 SW 6 1184 P 08/22-02 15 0 0 58 55 SW 7 7 3 1 W22 192 SW 7 1084 P 08/22-03 40 0 0 57 57 SW 8 13 3 1 W21 164 SW 7 984 P 08/22-04 40 0 0 56 59 SW 9 14 3 1 W18 147 W 8 971 P 08/22-05 40 0 0 56 60 W 9 15 3 1 W15 129 W 9 959 P 08/22-06 45 0 0 55 62 W 9 15 3 1 NW13 112 W 9 947 P 08/22-07 45 0 0 57 58 W 9 15 3 1 NW14 221 W 9 1737 P 08/22-08 45 0 0 64 46 W 8 14 3 1 NW15 330 W 9 2527 P 08/22-09 45 0 0 68 40 W 8 13 3 1 NW17 439 W 9 3317 P 08/22-10 45 0 0 71 35 W 7 7 4 1 NW16 2493 W 9 19559 P 08/22-11 45 0 0 74 31 NW 6 6 4 1 W14 4547 NW 9 35800 P 08/22-12 64 10 2 77 28 NW 5 5 4 2 W12 6601 NW 9 52042 F 08/22-13 64 10 2 80 26 NW 3 3 4 2 W12 8533 NW 8 61610 G 08/22-14 64 10 2 82 24 N 2 2 4 2 W13 10465 W 8 71179 G 08/22-15 64 17 3 84 23 N 2 2 4 3 W13 12397 W 8 80748 G 08/22-16 64 17 3 84 23 N 2 2 4 3 W12 11805 W 7 69845 G 08/22-17 64 17 3 83 24 N 2 2 4 3 W10 11213 W 6 58942 F 08/22-18 68 15 3 81 25 N 3 3 4 3 W 9 10621 W 6 48039 F 08/22-19 68 15 3 76 30 N 6 6 4 3 NW 7 8023 NW 8 43731 F 08/22-20 68 15 3 71 37 NW 9 15 3 3 N 5 5424 NW12 39423 P 08/22-21 68 1 0 67 42 NW12 18 3 1 N 3 2826 NW14 35115 P 08/22-22 68 1 0 64 48 NW12 18 3 1 N 5 1981 W13 24287 P 08/22-23 68 1 0 63 51 W12 18 4 1 N 7 1135 W12 13459 P 08/23-00 46 0 0 63 51 W10 16 4 1 N 8 290 W10 2631 P 08/23-01 46 0 0 62 54 W10 16 4 1 N 8 271 W10 2411 P 08/23-02 46 0 0 60 56 W10 16 4 1 N 8 252 W10 2191 P 08/23-03 46 0 0 60 57 W10 16 4 1 N 7 233 W 9 1971 P 08/23-04 46 0 0 58 60 W10 16 4 1 N 7 211 W 9 1755 P 08/23-05 46 0 0 57 64 W10 16 3 1 N 7 189 W 9 1538 P 08/23-06 41 2 0 57 63 W 9 15 3 1 NE 7 168 W 9 1322 P 08/23-07 41 2 0 59 59 NW 8 13 3 1 NE 7 561 NW 8 2962 P 08/23-08 41 2 0 64 48 NW 7 7 3 1 E 8 954 NW 7 4601 P 08/23-09 41 2 0 68 42 NW 6 6 3 1 E 8 1347 N 6 6241 P 08/23-10 41 2 0 70 38 N 6 6 3 1 E 9 3086 N 6 17786 P 08/23-11 41 2 0 73 34 N 6 6 3 1 SE10 4826 NE 7 29332 P 08/23-12 60 22 4 75 31 NE 6 6 3 3 SE12 6566 E 7 40877 F 08/23-13 60 22 4 77 28 NE 6 6 3 3 SE13 7975 E 8 58503 F 08/23-14 60 22 4 79 26 NE 6 6 3 3 SE13 9383 E 9 76130 G 08/23-15 60 22 4 80 25 E 5 5 3 3 SE14 10792 E10 93757 G 08/23-16 60 22 4 80 25 E 2 2 3 3 SE14 10340 E 9 85003 G 08/23-17 60 22 4 80 26 CALM 1 3 3 SE15 9888 E 9 76250 G 08/23-18 73 27 7 78 28 CALM 0 3 4 SE15 9436 E 8 67496 G 08/23-19 73 27 7 74 33 NE 2 2 3 4 SE15 6539 SE 8 46297 F 08/23-20 73 27 7 69 39 NW 5 5 3 4 SE15 3642 SW 7 25098 P 08/23-21 73 10 2 66 44 W 7 7 3 2 SE16 745 W 6 3899 P 08/23-22 73 10 2 63 49 W 7 7 3 2 SE17 607 W 6 3199 P 08/23-23 73 10 2 62 52 W 7 7 3 2 SE17 469 W 6 2499 P 08/24-00 60 4 1 62 52 W 6 6 3 1 SE18 330 W 6 1799 P 08/24-01 60 4 1 61 55 W 6 6 3 1 SE20 327 W 7 1878 P 08/24-02 60 4 1 60 57 W 7 7 3 1 SE21 324 W 7 1957 P 08/24-03 60 4 1 59 58 W 7 7 3 1 SE21 321 W 7 2037 P 08/24-04 60 4 1 58 61 W 7 7 3 1 SE20 287 W 6 1630 P 08/24-05 60 4 1 56 65 W 7 7 3 1 SE18 253 W 6 1224 P 08/24-06 55 20 4 57 64 W 6 6 3 1 SE16 218 W 5 818 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...JAY STALNACKER REASON FOR REQUEST...PRESCRIBED .TAG 20120821.PROCY.01/BOU