FNUS75 KBOU 311042 FWSBOU SPOT FORECAST FOR BOBCAT RX...USFS NATIONAL WEATHER SERVICE DENVER CO 441 AM MDT WED MAR 31 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SOUTHWEST FLOW ALOFT WILL BE OVER THE AREA TODAY WITH SOME MID AND HIGH LEVEL CLOUDINESS. A WEAK COLD FRONT WILL MOVE THROUGH THE AREA EARLY THIS MORNING WITH NORTH TO NORTHEAST WINDS OF 10-15 MPH. BY 1200 THE WINDS WILL BECOME MORE SOUTHEAST AT 10-15 MPH. SMOKE DISPERSAL WILL BE POOR THROUGH 0900...FAIR FROM 0900-1100...THEN GOOD AFTER 1100. IF INVERSIONS WITH THE WEAK FRONT DO NOT BREAK AS QUICKLY AS FORECAST THEN THESE SMOKE DISPERSAL TIMES COULD BE OFF BY AN HOUR OR TWO. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....65. MIN HUMIDITY........25%. WIND (20 FT)........NORTH 9-10 MPH UNTIL 0900. SOUTHEAST 11-16 MPH AFTER 1200. TRANSPORT WINDS.....SOUTHWEST 20-28 MPH. MIXING HEIGHT.......2600-3600 FT AGL UNTIL 1000. 8800-9800 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1100... THEN GOOD UNTIL 1300...THEN VERY GOOD 1200. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....36. MAX HUMIDITY........56%. WIND (20 FT)........NORTH 9-13 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN WEST AROUND 8 MPH. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH. MIXING HEIGHT.......7400 FT AGL UNTIL 1900. 200-400 FT AGL AFTER 2400. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF RAIN. MAX TEMPERATURE.....55. MIN HUMIDITY........27%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN SOUTH AROUND 8 MPH UNTIL 1500...THEN SOUTHWEST. TRANSPORT WINDS.....SOUTH 12-20 MPH. MIXING HEIGHT.......1200-2200 FT AGL UNTIL 1100...THEN 4400-5400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. GOOD AFTER 1200. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW UNTIL 1800. COOLER. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. NORTHWEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 30 MPH. .SATURDAY...PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 8 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR BOBCAT RX. +++ 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 03/31-04 44 0 45 48 W 25 1 677 W 35 18040 P 03/31-05 44 0 45 46 W 26 1 917 W 29 21415 P 03/31-06 53 0 46 43 N 10 10 4 1 SW75 1157 W 24 24789 P 03/31-07 53 0 46 41 N 2 1 2200 W 22 37468 P 03/31-08 53 0 47 40 N 2 1 3244 SW 20 50146 F 03/31-09 53 0 51 37 N 6 6 2 1 SW70 4288 SW 17 62825 G 03/31-10 53 0 54 33 NE 8 1 5379 SW 21 103672 V 03/31-11 53 0 57 30 SE 13 1 6471 SW 24 144519 V 03/31-12 53 0 60 29 S 15 21 2 1 SW54 7562 SW 29 185366 E 03/31-13 53 0 62 27 S 15 1 8564 SW 29 213062 E 03/31-14 53 0 63 26 SE 13 1 9566 SW 29 240758 E 03/31-15 53 0 64 25 SE 12 12 2 1 SW53 10568 SW 29 268454 E 03/31-16 53 0 64 25 SE 12 1 9479 SW 28 232726 E 03/31-17 53 0 62 27 E 13 1 8390 SW 26 196998 E 03/31-18 75 10 59 30 NE 13 17 2 1 SW44 7300 S 25 161269 E 03/31-19 75 10 57 31 N 12 1 5740 S 22 118774 V 03/31-20 75 10 53 35 NW 9 1 4180 S 18 76279 G 03/31-21 75 10 48 41 W 7 7 2 1 SW30 2620 S 15 33783 P 03/31-22 75 10 45 45 NW 6 1 1863 S 13 23217 P 03/31-23 75 10 43 47 NW 5 1 1105 SW 9 12650 P 04/01-00 75 10 42 49 NW 5 5 2 1 SW39 348 SW 7 2083 P 04/01-01 75 10 40 51 NW 6 1 305 SW 9 2370 P 04/01-02 75 10 39 53 W 7 1 261 W 13 2657 P 04/01-03 75 10 38 55 W 8 8 2 1 SW51 218 W 16 2943 P 04/01-04 75 10 38 56 W 8 1 263 W 15 3343 P 04/01-05 75 10 38 56 W 8 1 309 W 14 3742 P 04/01-06 53 20 39 55 W 7 7 2 1 S26 354 W 14 4141 P 04/01-07 53 20 39 48 SW 6 1 744 SW 13 7689 P 04/01-08 53 20 40 47 S 6 1 1133 SW 12 11236 P 04/01-09 53 20 42 42 SE 5 5 2 1 S30 1522 S 12 14783 P 04/01-10 53 20 45 38 SE 6 1 2651 S 13 32716 P 04/01-11 53 20 47 34 SE 7 1 3779 S 15 50648 F 04/01-12 53 20 49 32 SE 8 8 2 1 SW36 4907 S 16 68581 G 04/01-13 53 20 51 30 S 7 1 5051 S 16 73294 G 04/01-14 53 20 52 28 S 5 1 5195 S 17 78008 G 04/01-15 53 20 53 27 SW 2 2 2 1 S30 5339 S 17 82722 G 04/01-16 53 20 52 27 SW 8 1 5214 S 18 81508 G 04/01-17 53 20 51 28 W 13 1 5089 SW 18 80295 G 04/01-18 66 20 49 36 W 17 26 2 1 S22 4965 W 18 79081 G 04/01-19 66 20 47 37 W 14 1 4170 W 16 61525 G 04/01-20 66 20 44 41 W 12 1 3375 W 14 43969 F 04/01-21 66 10 41 46 NW 8 8 2 1 S15 2580 W 12 26413 P 04/01-22 66 10 39 50 NW 7 1 3287 W 13 36934 P 04/01-23 66 10 37 52 N 6 1 3994 W 14 47455 F 04/02-00 66 10 36 55 N 3 3 2 1 SW13 4700 W 14 57976 F 04/02-01 66 10 35 57 N 5 1 4572 W 15 57911 F 04/02-02 66 10 34 59 N 5 1 4444 NW 15 57845 F 04/02-03 66 10 33 61 N 6 6 2 1 W21 4316 NW 15 57780 F 04/02-04 66 10 33 62 N 10 1 4501 NW 23 90769 G 04/02-05 66 10 33 62 N 15 1 4687 NW 30 123758 V 04/02-06 70 10 34 61 NW 18 28 2 1 NW25 4872 NW 37 156748 E 04/02-07 70 10 34 60 NW 20 1 5326 NW 38 177525 E 04/02-08 70 10 35 59 NW 20 1 5780 NW 39 198302 E 04/02-09 70 10 37 54 NW 21 31 2 1 NW37 6235 N 40 219080 E 04/02-10 70 10 39 49 NW 20 1 7789 N 38 255554 E 04/02-11 70 10 41 45 NW 20 1 9342 NW 37 292028 E 04/02-12 60 10 43 42 NW 18 28 2 1 NW31 10896 NW 35 328502 E 04/02-13 60 10 44 39 NW 18 1 11134 NW 32 307149 E 04/02-14 60 10 45 38 NW 16 1 11372 NW 29 285796 E 04/02-15 60 10 45 37 NW 15 23 2 1 NW29 11610 NW 26 264443 E 04/02-16 60 10 45 37 NW 12 1 10940 NW 24 230374 E 04/02-17 60 10 44 37 NW 9 1 10271 W 22 196305 E 04/02-18 45 0 42 40 NW 6 6 2 1 W32 9601 W 20 162236 E 04/02-19 45 0 41 42 W 6 1 8219 W 18 131704 V 04/02-20 45 0 39 47 W 6 1 6837 W 16 101171 V 04/02-21 45 0 36 53 SW 5 5 2 1 W31 5456 W 15 70638 G 04/02-22 45 0 34 58 SW 6 1 4865 W 17 69041 G 04/02-23 45 0 33 61 SW 6 1 4274 W 18 67445 G 04/03-00 13 0 32 64 W 6 6 2 1 NW36 3683 W 21 65848 G 04/03-01 13 0 31 66 W 6 1 3041 W 22 57108 F 04/03-02 13 0 31 67 W 7 1 2399 W 24 48369 F 04/03-03 13 0 30 68 SW 7 7 2 1 W30 1756 W 26 39629 P 04/03-04 13 0 30 68 SW 8 1 1656 W 25 37016 P 04/03-05 13 0 30 68 W 8 1 1556 W 25 34403 P 04/03-06 30 0 30 66 W 9 9 2 1 W26 1456 W 25 31790 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 $$ WFO BOULDER REQUESTED BY...ERICK STAHLIN REASON FOR REQUEST...PRESCRIBED .TAG 20100331.BOBCA.01/BOU