FNUS75 KBOU 081429 FWSBOU SPOT FORECAST FOR PHANTOM CANYON UNIT 3 BLACKLINING...NATURE CONSERVANCY NATIONAL WEATHER SERVICE DENVER CO 829 AM MDT THU APR 8 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A FLAT RIDGE OF HIGH PRESSURE ALOFT WILL BE MOVING OVER THE STATE TODAY BRINGING A WARMER AND DRIER AIRMASS. HIGH SURFACE PRESSURE OVER THE WESTERN COLORADO AND LOW PRESSURE OVER WYOMING WILL INDUCE SOUTHWESTERLY WINDS BECOMING GUSTY IN THE AFTERNOON. SMOKE DISPERSAL WILL BE GOOD TODAY WITH THE RIDGE BEING FLATTENED A BIT AND THE GUSTY WINDS. HUMIDITY RECOVERIES TONIGHT WILL BE ABOUT 20% LESS THAN LAST NIGHT WITH THE DRIER AIRMASS. A COLD FRONT WILL BE MOVING DOWN INTO CENTRAL WYOMING TOMORROW AFTERNOON WITH SOME INSTABILITY AHEAD OF IT MOVING OVER THE FIRE AREA. THIS WILL BRING A SLIGHT CHANCE OF THUNDERSTORMS NEAR THE FIRE AREA FRIDAY AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....53. MIN HUMIDITY........22%. WIND (20 FT)........SOUTHWEST WINDS 8-16 MPH. TRANSPORT WINDS.....WEST 12-16 MPH. MIXING HEIGHT.......5400-5800 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1100. GOOD AFTER 1200. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....33. MAX HUMIDITY........55%. WIND (20 FT)........WEST WINDS 10-17 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......4000-5000 FT AGL UNTIL 2000. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 LOW. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....54. MIN HUMIDITY........34%. WIND (20 FT)........NORTHWEST WINDS 8-10 MPH UNTIL 0900...THEN NORTH 8-12 MPH UNTIL 1200...THEN SOUTHEAST 11-15 MPH. TRANSPORT WINDS.....SOUTHWEST 12-20 MPH. MIXING HEIGHT.......6600-7600 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1400...THEN VERY GOOD. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. SOUTHEAST WINDS AROUND 8 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS AROUND 40. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 9 MPH WITH GUSTS TO AROUND 25 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR PHANTOM CANYON UNIT 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 04/08-08 5 0 27 65 W 3 1 503 W 13 5643 P 04/08-09 5 0 32 57 SW 5 9 3 1 NW32 611 W 13 6661 P 04/08-10 5 0 40 40 SW 5 1 2315 W 13 24889 P 04/08-11 5 0 47 30 S 8 1 4019 W 13 43117 F 04/08-12 5 0 51 24 S 9 9 3 1 NW26 5724 W 13 61346 G 04/08-13 5 0 49 26 S 10 1 5699 W 14 67115 G 04/08-14 5 0 51 25 SW 12 1 5673 W 15 72885 G 04/08-15 5 0 53 24 SW 13 13 3 1 W28 5648 W 16 78654 G 04/08-16 5 0 53 22 SW 14 1 5511 W 17 80063 G 04/08-17 5 0 53 23 SW 15 1 5375 W 17 81471 G 04/08-18 17 0 50 25 SW 15 24 3 1 W29 5238 W 18 82880 G 04/08-19 17 0 45 33 W 15 1 3802 W 21 62552 G 04/08-20 17 0 43 38 W 14 1 2367 W 24 42225 F 04/08-21 17 0 40 44 W 13 13 4 1 W16 931 W 28 21897 P 04/08-22 17 0 39 46 W 12 1 776 W 26 18051 P 04/08-23 17 0 38 49 W 10 1 622 W 26 14206 P 04/09-00 17 0 37 51 W 10 10 4 1 SW10 467 W 25 10360 P 04/09-01 17 0 36 51 W 12 1 419 W 24 9010 P 04/09-02 17 0 34 56 W 13 1 371 W 23 7659 P 04/09-03 17 0 36 51 W 14 22 4 1 SW13 324 W 22 6308 P 04/09-04 17 0 36 51 W 14 1 313 W 21 5615 P 04/09-05 17 0 36 51 W 14 1 302 W 18 4923 P 04/09-06 24 1 35 53 W 10 10 3 1 SW14 292 W 17 4230 P 04/09-07 24 1 35 55 NW 8 1 431 W 15 5201 P 04/09-08 24 1 37 53 NW 6 1 570 W 14 6173 P 04/09-09 24 1 40 49 NW 5 5 2 1 SW21 709 W 12 7145 P 04/09-10 24 1 44 44 N 6 1 2582 W 13 28787 P 04/09-11 24 1 47 41 E 9 1 4455 SW 13 50430 F 04/09-12 55 1 49 38 SE 12 12 2 1 W35 6328 SW 13 72072 G 04/09-13 55 1 51 37 SE 13 1 6970 SW 15 93466 G 04/09-14 55 8 52 36 SE 13 1 7612 SW 17 114859 V 04/09-15 55 8 53 35 SE 13 13 2 1 W44 8253 SW 20 136252 V 04/09-16 55 8 53 34 SE 13 1 7256 SW 18 118286 V 04/09-17 55 8 52 34 SE 13 1 6258 SW 18 100320 V 04/09-18 51 8 50 35 SE 13 13 2 1 W44 5261 S 18 82354 G 04/09-19 51 8 48 38 SE 12 1 4320 S 17 67020 G 04/09-20 51 8 45 44 SE 9 1 3380 S 17 51686 F 04/09-21 51 8 42 53 S 7 7 3 1 W38 2440 S 17 36351 P 04/09-22 51 8 40 58 S 6 1 1967 S 16 28679 P 04/09-23 51 8 39 60 S 6 1 1493 S 16 21006 P 04/10-00 42 7 38 63 S 6 6 3 1 W43 1020 S 15 13334 P 04/10-01 42 7 37 67 SW 7 1 879 S 13 10483 P 04/10-02 42 7 36 71 W 7 1 737 SW 12 7632 P 04/10-03 42 7 35 72 NW 8 8 3 1 W45 596 W 9 4781 P 04/10-04 42 7 35 72 NW 8 1 482 W 9 3775 P 04/10-05 42 7 35 69 NW 8 1 368 W 8 2770 P 04/10-06 28 0 36 65 NW 8 8 3 1 W51 254 NW 8 1765 P 04/10-07 28 0 36 63 N 7 1 372 NW 8 2402 P 04/10-08 28 0 38 57 NE 6 1 490 NW 7 3039 P 04/10-09 28 0 41 50 NE 6 6 3 1 W47 608 N 7 3676 P 04/10-10 28 0 45 42 E 7 1 2167 NW 8 19427 P 04/10-11 28 0 48 36 SE 9 1 3726 W 9 35179 P 04/10-12 56 10 51 33 SE 10 10 3 1 W46 5285 W 12 50931 F 04/10-13 56 10 53 32 S 10 1 6183 W 12 64657 G 04/10-14 56 10 54 31 S 10 1 7081 SW 13 78384 G 04/10-15 56 10 55 31 S 10 10 2 1 W43 7978 SW 14 92110 G 04/10-16 56 10 55 31 S 10 1 7218 SW 13 78305 G 04/10-17 56 10 54 31 S 10 1 6458 S 12 64500 G 04/10-18 58 8 52 32 S 10 10 2 1 W37 5698 S 10 50696 F 04/10-19 58 8 51 35 S 10 1 4483 S 12 43045 F 04/10-20 58 8 48 40 SE 9 1 3268 S 14 35394 P 04/10-21 58 2 45 47 SE 9 9 3 1 SW35 2053 SE 16 27744 P 04/10-22 58 2 43 51 SE 8 1 1971 SE 15 26287 P 04/10-23 58 2 42 53 SE 8 1 1889 S 15 24831 P 04/11-00 37 2 41 54 S 7 7 3 1 SW35 1807 S 15 23375 P 04/11-01 37 2 40 55 S 6 1 1594 S 14 19143 P 04/11-02 37 2 40 56 S 6 1 1382 S 12 14911 P 04/11-03 37 2 39 56 S 5 5 3 1 SW29 1170 S 10 10679 P 04/11-04 37 2 39 56 S 3 1 1119 S 10 9594 P 04/11-05 37 2 39 55 S 3 1 1068 S 9 8509 P 04/11-06 52 0 39 54 S 3 3 3 1 SW45 1016 S 8 7425 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...WFO BOULDER REQUESTED BY...ERICK STAHLIN REASON FOR REQUEST...PRESCRIBED .TAG 20100408.PHANT.01/BOU