FNUS75 KBOU 200247 FWSBOU SPOT FORECAST FOR PHANTOM CANYON UNIT 2 3 BLACKLINING...USFS NATIONAL WEATHER SERVICE DENVER CO 840 PM MDT MON APR 19 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK NORTHWESTERLY FLOW ALOFT WILL BE OVER THE REGION ON TUESDAY. A WEAK COLD FRONT WILL BE DROPPING INTO NORTHEAST COLORADO AROUND MIDDAY TUESDAY. THIS WILL BRING A SHIFT TO NORTH TO NORTHEAST WINDS WITH SLIGHT COOLING AND MOISTENING IN MOST AREAS. THERE WILL ALSO BE A BETTER CHANCE OF THUNDERSTORMS ALONG TUESDAY AFTERNOON AND EVENING IN THE MOIST UPSLOPE FLOW. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200...THEN MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....55-59. MIN HUMIDITY........27-32%. WIND (20 FT)........NORTH WINDS 10-16 MPH UNTIL 1500...THEN EAST 8-12 MPH. TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH UNTIL 1200...THEN LIGHT. MIXING HEIGHT.......5200-6200 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 2400...THEN SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. MIN TEMPERATURE.....33-37. MAX HUMIDITY........76-81%. WIND (20 FT)........SOUTHEAST WINDS 8-10 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHEAST AROUND 12 MPH. MIXING HEIGHT.......5200 FT AGL UNTIL 1900. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....55-60. MIN HUMIDITY........32-37%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN SOUTHEAST 12-18 MPH. TRANSPORT WINDS.....SOUTH 12-16 MPH. MIXING HEIGHT.......4200-5200 FT AGL AFTER 0800. SMOKE DISPERSAL.....POOR UNTIL 1300. GOOD AFTER 1500. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. COOLER. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 9 MPH. .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 11 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND 15 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS AROUND 50. NORTHWEST WINDS AROUND 10 MPH. 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 04/20-06 33 0 39 67 NW 7 7 3 1 NW33 170 NW 7 1021 P 04/20-07 33 0 40 63 NW 8 1 204 NW 8 1513 P 04/20-08 33 0 42 59 NW 10 1 237 NW 9 2005 P 04/20-09 33 0 45 52 N 13 13 3 1 NW32 271 N 10 2498 P 04/20-10 33 0 49 44 N 14 1 1848 N 9 11807 P 04/20-11 33 0 52 39 N 13 1 3425 NW 8 21116 P 04/20-12 73 28 54 36 N 13 13 3 4 NW31 5002 NW 9 40016 F 04/20-13 73 28 56 33 NE 12 4 5786 NW 7 34716 P 04/20-14 73 28 57 31 NE 12 4 6069 W 6 30344 P 04/20-15 73 28 58 30 E 10 10 3 4 W31 6351 W 3 19054 P 04/20-16 73 28 58 29 E 10 4 5601 SW 5 22404 P 04/20-17 73 28 57 30 E 9 4 5429 S 6 27145 P 04/20-18 72 28 55 32 SE 9 9 2 4 W30 5256 S 5 21827 P 04/20-19 72 28 53 35 SE 8 4 3642 S 7 15813 P 04/20-20 72 28 50 40 SE 7 4 2027 SE 9 9799 P 04/20-21 72 28 46 49 SE 6 6 2 4 W29 412 SE 10 3785 P 04/20-22 72 28 44 56 SE 6 4 416 SE 12 4035 P 04/20-23 72 28 42 62 SE 7 4 421 SE 12 4284 P 04/21-00 72 10 41 67 S 7 7 2 1 W18 425 SE 13 4534 P 04/21-01 72 10 40 71 S 7 1 402 S 12 4166 P 04/21-02 72 10 39 74 S 7 1 379 S 12 3799 P 04/21-03 72 10 38 75 S 7 7 2 1 W15 356 S 12 3431 P 04/21-04 72 10 38 76 S 6 1 365 S 9 2899 P 04/21-05 72 10 38 75 S 5 1 375 S 7 2367 P 04/21-06 72 10 38 74 S 3 3 2 1 W15 384 S 6 1835 P 04/21-07 72 10 39 71 S 3 1 828 S 7 5833 P 04/21-08 72 10 42 65 SE 5 1 1273 S 8 9831 P 04/21-09 72 10 45 57 SE 6 6 2 1 SW14 1717 S 9 13829 P 04/21-10 72 10 49 49 SE 7 1 2530 S 9 21371 P 04/21-11 72 10 52 44 SE 8 1 3344 S 10 28913 P 04/21-12 80 30 55 40 SE 9 9 2 4 SW15 4157 S 10 36455 P 04/21-13 80 30 56 38 SE 10 4 4518 S 12 44707 F 04/21-14 80 30 58 37 SE 13 4 4879 SE 13 52959 F 04/21-15 80 30 58 37 SE 14 14 2 4 SW15 5240 SE 14 61210 G 04/21-16 80 30 58 36 SE 15 4 5195 SE 15 69511 G 04/21-17 80 30 57 37 SE 16 4 5149 SE 17 77811 G 04/21-18 80 30 55 39 SE 16 16 2 4 SW10 5104 SE 20 86112 G 04/21-19 80 30 54 39 SE 16 4 3846 SE 21 65945 G 04/21-20 80 30 50 40 SE 15 4 2588 SE 21 45778 F 04/21-21 80 30 47 43 SE 14 14 2 4 S 8 1330 SE 22 25612 P 04/21-22 80 30 44 46 SE 13 4 987 SE 20 18390 P 04/21-23 80 30 42 49 SE 12 4 645 SE 17 11168 P 04/22-00 80 30 41 54 SE 10 10 2 1 S13 303 SE 15 3947 P 04/22-01 80 30 40 60 SE 10 1 291 SE 14 3600 P 04/22-02 80 30 39 67 SE 10 1 279 SE 14 3253 P 04/22-03 80 30 38 72 SE 10 10 2 1 S20 268 SE 13 2906 P 04/22-04 80 30 38 73 SE 9 1 295 SE 12 2839 P 04/22-05 80 30 38 70 SE 8 1 322 SE 10 2773 P 04/22-06 80 30 38 67 SE 7 7 2 1 S21 349 SE 9 2707 P 04/22-07 80 30 39 64 SE 7 1 469 SE 10 4175 P 04/22-08 80 30 39 64 SE 7 1 588 SE 10 5643 P 04/22-09 80 30 41 60 SE 7 7 2 1 S24 708 SE 12 7112 P 04/22-10 80 30 43 55 SE 8 1 1235 SE 14 16100 P 04/22-11 80 30 44 51 SE 8 1 1761 SE 15 25088 P 04/22-12 73 20 45 49 SE 9 9 2 3 S33 2288 SE 17 34076 P 04/22-13 73 20 46 47 SE 10 3 2492 SE 18 40012 F 04/22-14 73 20 47 46 E 10 3 2695 SE 20 45948 F 04/22-15 73 20 47 46 E 10 10 2 3 S38 2899 SE 21 51884 F 04/22-16 73 20 47 46 E 10 3 2765 SE 18 43728 F 04/22-17 73 20 47 46 NE 9 3 2632 SE 15 35572 P 04/22-18 73 20 46 49 N 9 9 2 3 S25 2499 SE 13 27417 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 20100420.PHANT.01/BOU