FNUS75 KBOU 261243 FWSBOU SPOT FORECAST FOR PHANTOM CANYON UNIT 2 3 BLACKLINING...NATURE CONSERVANCY NATIONAL WEATHER SERVICE DENVER CO 645 AM MDT MON APR 26 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MODERATE NORTHWEST WINDS ALOFT WILL MIX TO THE SURFACE BY LATE MORNING. THERE IS A STABLE LAYER ABOUT 8000 FEET OFF THE GROUND...BUT THERE SHOULD BE ENOUGH WIND BELOW THAT FOR GOOD TO VERY GOOD SMOKE DISPERSION THIS AFTERNOON. ONLY ISOLATED LIGHT SHOWERS ARE EXPECTED. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. ISOLATED RAIN SHOWERS AFTER 1200. MAX TEMPERATURE.....44-48. MIN HUMIDITY........40-44%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 4-8 MPH UNTIL 1000...THEN NORTHWEST 8-16 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 10 MPH BECOMING NORTHWEST 20 MPH. MIXING HEIGHT.......RISING TO 4000 FT AGL BY 1000 AND 6000 FT AGL BY 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR. VERY GOOD AFTER 1300. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(35-45%). MIN TEMPERATURE.....28-32. MAX HUMIDITY........78-88%. WIND (20 FT)........NORTHWEST WINDS 7-14 MPH WITH GUSTS TO AROUND 20 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....NORTHWEST 15 MPH BECOMING WEST 10 MPH. MIXING HEIGHT.......5000 FT AGL UNTIL 2200...THEN 2000 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 2200. HAINES INDEX........2 VERY LOW. EXPERIMENTAL FIRE WEATHER TABLE FOR PHANTOM CANYON UNIT 2 3 BLACKLINING. +++ 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 04/26-06 83 15 31 73 NW 2 2 2 1 W44 2558 NW 6 11672 P 04/26-07 83 15 32 69 NW 2 1 3419 NW 7 21615 P 04/26-08 83 15 34 62 NW 3 1 4281 NW 8 31559 P 04/26-09 71 15 36 56 NW 5 5 2 1 NW40 5143 NW 9 41503 F 04/26-10 71 15 39 51 NW 7 1 5824 NW 13 69150 G 04/26-11 71 15 40 47 NW 10 1 6506 NW 16 96798 G 04/26-12 65 17 42 44 NW 13 13 2 1 NW35 7187 NW 20 124445 V 04/26-13 65 17 43 43 NW 15 1 7633 NW 21 138104 V 04/26-14 65 17 44 42 NW 16 1 8079 NW 22 151762 E 04/26-15 65 17 45 43 NW 17 28 2 1 NW41 8525 NW 22 165421 E 04/26-16 65 17 45 42 NW 17 1 8251 NW 24 170868 E 04/26-17 65 17 45 42 NW 16 1 7978 NW 25 176316 E 04/26-18 63 0 45 43 NW 15 24 2 1 NW49 7704 NW 28 181763 E 04/26-19 63 0 43 47 NW 13 1 6773 NW 25 154326 E 04/26-20 63 0 41 54 NW 10 1 5843 NW 24 126888 V 04/26-21 63 0 39 61 NW 8 8 2 1 NW51 4912 NW 23 99451 G 04/26-22 63 0 37 67 NW 8 1 3926 NW 20 73758 G 04/26-23 63 0 35 71 NW 8 1 2939 NW 16 48065 F 04/27-00 41 0 34 74 NW 8 8 2 1 NW47 1952 NW 13 22371 P 04/27-01 41 0 33 79 NW 8 1 1569 NW 12 16577 P 04/27-02 41 0 33 82 W 8 1 1186 W 9 10783 P 04/27-03 41 0 32 83 W 7 7 2 1 NW47 803 W 7 4988 P 04/27-04 41 0 31 81 W 6 1 794 W 7 4400 P 04/27-05 41 0 31 76 W 3 1 786 W 6 3811 P 04/27-06 38 0 31 71 SW 2 2 2 1 NW49 778 SW 5 3222 P 04/27-07 38 0 33 65 SW 2 1 1731 W 8 16396 P 04/27-08 38 0 37 57 S 3 1 2684 W 10 29570 P 04/27-09 38 0 43 46 S 6 6 2 1 NW43 3637 W 14 42744 F 04/27-10 38 0 47 40 S 7 1 3781 W 12 41109 F 04/27-11 38 0 51 36 S 8 1 4872 W 14 59814 F 04/27-12 38 0 54 34 S 9 9 2 1 NW30 5963 W 15 78519 G 04/27-13 38 0 56 32 S 9 1 6280 W 16 87444 G 04/27-14 38 0 57 31 S 9 1 6597 W 17 96368 G 04/27-15 38 0 58 30 S 9 9 2 1 W33 6914 W 17 105293 V 04/27-16 38 0 58 30 S 9 1 6285 W 16 92001 G 04/27-17 38 0 57 31 S 9 1 5656 SW 16 78708 G 04/27-18 17 0 56 33 S 8 8 2 1 W36 5028 SW 15 65416 G 04/27-19 17 0 54 35 S 7 1 3487 SW 13 44563 F 04/27-20 17 0 51 41 S 6 1 1945 S 10 23709 P 04/27-21 17 0 47 47 S 5 5 3 1 W30 404 S 8 2856 P 04/27-22 17 0 45 52 S 5 1 330 S 8 2278 P 04/27-23 17 0 43 56 SW 5 1 256 SW 7 1700 P 04/28-00 17 0 42 59 W 6 6 2 1 W44 182 SW 7 1122 P 04/28-01 17 0 41 60 W 7 1 169 W 8 1175 P 04/28-02 17 0 40 61 W 7 1 155 W 9 1227 P 04/28-03 17 0 39 61 W 8 8 3 1 SW25 142 W 10 1280 P 04/28-04 17 0 39 60 W 9 1 147 W 13 1580 P 04/28-05 17 0 39 59 W 10 1 152 W 14 1881 P 04/28-06 20 0 39 57 W 12 12 5 1 SW22 156 W 16 2181 P 04/28-07 20 0 40 55 W 13 1 202 W 18 3297 P 04/28-08 20 0 43 49 SW 14 1 247 SW 20 4412 P 04/28-09 20 0 47 43 SW 15 15 5 1 SW26 293 SW 22 5528 P 04/28-10 20 0 51 37 SW 15 1 1460 SW 21 25647 P 04/28-11 20 0 54 34 SW 15 1 2627 SW 21 45766 F 04/28-12 20 0 57 31 SW 14 14 4 1 SW36 3793 SW 20 65884 G 04/28-13 20 0 59 29 SW 14 1 4229 SW 20 69159 G 04/28-14 54 10 60 27 SW 13 2 4664 SW 18 72433 G 04/28-15 54 10 61 26 S 13 13 3 2 W45 5100 SW 17 75708 G 04/28-16 54 10 61 26 S 14 2 3990 SW 17 59994 F 04/28-17 54 10 59 26 SW 14 2 2880 SW 18 44280 F 04/28-18 54 10 57 28 SW 14 14 3 2 SW44 1770 SW 18 28566 P 04/28-19 54 10 55 30 SW 12 2 1235 SW 16 19501 P 04/28-20 54 10 50 34 SW 9 2 699 SW 13 10436 P 04/28-21 54 10 46 39 SW 7 7 3 2 SW28 163 SW 9 1371 P 04/28-22 54 10 42 43 SW 8 1 150 SW 12 1462 P 04/28-23 54 10 40 46 SW 10 1 137 SW 14 1553 P 04/29-00 59 10 38 49 SW 13 13 4 1 S38 124 SW 15 1645 P 04/29-01 59 10 37 51 SW 13 1 124 SW 15 1598 P 04/29-02 59 10 35 54 SW 13 1 124 SW 15 1551 P 04/29-03 59 10 34 56 W 12 12 5 1 S47 124 SW 14 1504 P 04/29-04 59 10 34 57 W 12 1 156 W 14 1800 P 04/29-05 59 10 34 57 W 10 1 187 W 13 2096 P 04/29-06 59 10 34 57 W 10 10 2 1 S28 218 W 13 2392 P 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...GIMMESTAD REQUESTED BY...ERICK STAHLIN REASON FOR REQUEST...PRESCRIBED .TAG 20100426.PHANT.01/BOU