FNUS75 KBOU 051122 FWSBOU SPOT FORECAST FOR BLACKHAWK...USFS NATIONAL WEATHER SERVICE DENVER CO 508 AM MDT WED MAY 5 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WINDS WILL BE CONSIDERABLY LIGHTER TODAY AS THE STRONG JET STREAM RESPONSIBLE FOR YESTERDAY/S HIGH WIND EVENT HAS BACK OFF OVER SOUTHWEST WYOMING FOR NOW. FOR TODAY EXPECT DRY AND SEASONABLY MILD CONDITIONS WITH TYPICAL DRAINAGE WINDS IN THE MORNING. UNLIKE YESTERDAY WE SHOULD SEE MORE CLOUD COVER. BY THIS AFTERNOON COULD SEE A SHOWER OR TWO ALONG WITH GUSTY SOUTH TO SOUTHEAST WINDS. BY TONIGHT...WINDS WILL SHIFT TO THE SOUTH-SOUTHWEST AND PICK UP IN SPEED. ANY SHOWER ACTIVITY SHOULD END BY 2100 HOURS. GUSTY DOWNSLOPE AND DOWNVALLEY WINDS OVERNIGHT SHOULD ALSO KEEP TEMPERATURES ON THE MILD SIDE AND RELATIVE HUMIDITIES ON THE LOW SIDE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200...THEN MOSTLY CLOUDY. MAX TEMPERATURE.....56-62. MIN HUMIDITY........22-27%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 4-10 MPH BECOMING UPSLOPE/UPVALLEY 5-12 MPH AFTER 1100. COULD SEE GUSTS TO 24 MPH IN THE AFTERNOON. TRANSPORT WINDS.....WEST 12-22 MPH UNTIL 1200...THEN SOUTHWEST 28-32 MPH. MIXING HEIGHT.......8800-9800 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1100...THEN EXCELLENT. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100...THEN PARTLY CLOUDY (40-50%). ISOLATED RAIN SHOWERS UNTIL 2100. MIN TEMPERATURE.....34-39. MAX HUMIDITY........34-39%. WIND (20 FT)........SOUTHWEST WINDS 13-21 MPH. GUSTS UP TO 30 MPH IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTHWEST 20-24 MPH. MIXING HEIGHT.......7000 FT AGL UNTIL 1900. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....50-55. MIN HUMIDITY........31-38%. WIND (20 FT)........WEST WINDS 14-24 MPH WITH GUSTS TO AROUND 35 MPH. TRANSPORT WINDS.....WEST 28-36 MPH. MIXING HEIGHT.......6800-7800 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN VERY GOOD UNTIL 1100...THEN EXCELLENT. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 0600...THEN SLIGHT CHANCE OF SNOW SHOWERS. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200. WARMER. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S. SOUTH WINDS AROUND 11 MPH WITH GUSTS TO AROUND 30 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR BLACKHAWK. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE DIGITAL DATABASE. VALUES IN THE TABLE MAY NOT AGREE WITH INFORMATION IN THE NARRATIVE FORECAST. INFORMATION CONTAINED IN THIS TABLE SHOULD NOT BE CONSIDERED AN OFFICIAL 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 05/05-05 22 0 31 42 W 8 1 257 W 13 2603 P 05/05-06 52 0 31 42 NW 6 6 4 1 W56 296 W 9 2226 P 05/05-07 52 0 32 41 W 5 1 855 W 9 8149 P 05/05-08 52 0 36 36 S 5 1 1415 W 10 14073 P 05/05-09 56 0 41 31 S 5 5 3 1 W64 1975 W 12 19996 P 05/05-10 56 0 46 27 S 5 1 4152 W 18 91018 G 05/05-11 56 0 49 24 W 6 1 6328 W 25 162040 E 05/05-12 68 5 52 22 NW 6 6 3 1 W60 8504 W 31 233061 E 05/05-13 68 5 54 22 W 6 1 9182 W 30 236790 E 05/05-14 68 5 55 22 SW 6 1 9860 W 29 240518 E 05/05-15 66 5 56 23 S 6 6 3 1 W52 10538 SW 26 244247 E 05/05-16 66 5 56 24 S 6 1 9334 SW 26 214477 E 05/05-17 66 5 56 26 S 7 1 8130 SW 26 184707 E 05/05-18 60 10 54 27 S 8 13 3 1 W52 6926 SW 25 154937 E 05/05-19 60 10 53 28 S 10 1 4739 SW 24 105393 V 05/05-20 60 10 49 29 SW 13 1 2552 SW 22 55849 F 05/05-21 50 10 46 30 SW 15 24 3 1 W55 365 SW 20 6305 P 05/05-22 50 10 44 31 SW 16 1 317 SW 21 5711 P 05/05-23 50 10 42 32 SW 16 1 269 SW 22 5117 P 05/06-00 43 8 41 34 SW 16 25 3 1 SW36 222 SW 23 4523 P 05/06-01 43 8 39 35 SW 17 1 203 SW 24 4224 P 05/06-02 43 8 38 37 W 18 1 184 W 24 3926 P 05/06-03 38 8 37 39 W 18 30 3 1 S29 165 W 25 3627 P 05/06-04 38 8 37 39 W 18 1 170 W 24 3569 P 05/06-05 38 8 37 39 W 17 1 176 W 23 3511 P 05/06-06 66 0 37 39 W 16 25 4 1 W46 181 W 22 3454 P 05/06-07 66 0 38 38 W 16 1 553 W 24 12499 P 05/06-08 66 0 41 37 W 15 1 925 W 25 21544 P 05/06-09 66 0 44 34 W 15 24 3 1 W41 1297 W 28 30589 P 05/06-10 66 0 47 32 W 17 1 3337 W 33 111815 V 05/06-11 66 0 49 31 W 20 1 5136 W 38 185867 E 05/06-12 67 40 51 31 W 21 33 2 2 W71 6935 W 43 259920 E 05/06-13 67 40 52 31 W 21 2 7265 W 41 257197 E 05/06-14 67 40 53 31 W 20 2 7595 W 39 254475 E 05/06-15 67 40 54 32 W 17 28 2 2 W53 7924 W 37 251752 E 05/06-16 67 40 54 33 W 14 2 7632 W 33 220599 E 05/06-17 67 40 53 34 NW 12 2 7341 W 30 189447 E 05/06-18 89 33 51 37 N 8 13 3 1 W64 7049 W 25 158294 E 05/06-19 89 33 48 41 N 6 1 5727 W 22 116450 V 05/06-20 89 33 44 49 E 5 1 4404 W 17 74607 G 05/06-21 89 33 40 58 E 5 5 3 1 W68 3082 W 13 32764 P 05/06-22 89 33 37 65 E 6 1 2957 W 8 22728 P 05/06-23 89 33 34 71 E 7 1 2833 SW 5 12693 P 05/07-00 89 33 32 76 E 8 13 2 1 W76 2708 CALM 2657 P 05/07-01 89 33 31 80 E 7 1 2525 SW 5 8256 P 05/07-02 89 33 29 84 SE 5 1 2343 W 7 13855 P 05/07-03 89 33 28 86 SE 3 3 2 1 W81 2160 W 10 19454 P 05/07-04 89 33 27 86 SE 3 1 2115 W 12 20283 P 05/07-05 89 33 27 85 S 3 1 2070 W 12 21112 P 05/07-06 69 20 27 84 S 3 3 2 1 W83 2025 W 13 21940 P 05/07-07 69 20 29 77 S 3 1 2611 W 14 32466 P 05/07-08 69 20 31 72 S 5 1 3197 W 15 42991 F 05/07-09 69 20 34 64 S 5 5 2 1 W83 3782 W 16 53516 F 05/07-10 69 20 38 57 SE 5 1 5141 W 20 96127 G 05/07-11 69 20 40 52 E 5 1 6501 W 23 138738 V 05/07-12 70 20 42 49 NE 5 5 2 1 W81 7860 W 26 181349 E 05/07-13 70 20 44 49 NE 5 1 8144 W 25 176572 E 05/07-14 70 20 44 49 NE 5 1 8427 W 23 171796 E 05/07-15 70 20 45 50 NE 5 5 2 1 W69 8711 W 22 167019 E 05/07-16 70 20 45 51 NE 5 1 7832 W 18 133123 V 05/07-17 70 20 45 54 NE 3 1 6952 W 16 99226 G 05/07-18 52 10 43 56 NE 3 3 2 1 W60 6072 W 13 65330 G 05/07-19 52 10 42 58 NE 3 1 4933 SW 9 46594 F 05/07-20 52 10 39 62 E 3 1 3794 S 7 27858 P 05/07-21 52 10 36 66 E 3 3 2 1 W55 2654 SE 3 9123 P 05/07-22 52 10 34 68 NE 6 1 2763 SE 5 12431 P 05/07-23 52 10 33 69 NE 8 1 2872 SE 6 15739 P 05/08-00 65 5 31 69 NE 9 15 2 1 W61 2981 SE 7 19047 P 05/08-01 65 5 30 70 NE 8 1 2976 SE 9 24484 P 05/08-02 65 5 29 72 E 6 1 2970 SE 12 29921 P 05/08-03 65 5 28 74 E 3 3 2 1 W69 2965 S 14 35358 P 05/08-04 65 5 28 74 E 3 1 2894 S 15 37437 P 05/08-05 65 5 28 75 SE 3 1 2822 S 16 39516 P 05/08-06 65 5 28 76 SE 5 5 2 1 W59 2750 S 17 41595 F 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...BAKER...WFO BOULDER REQUESTED BY...ROCCO SNART REASON FOR REQUEST...WILDFIRE .TAG 20100504.BLACK.02/BOU