FNUS75 KBOU 260044 FWSBOU SPOT FORECAST FOR GLACIER BASIN PILE BURN...NPS NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT WED MAR 25 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRONG STORM SYSTEM WILL DROP SOUTHWARD INTO THE FOUR CORNERS AREA ON THURSDAY. SNOW WILL BECOME WIDESPREAD AND HEAVY AT TIMES BY THURSDAY MORNING. TEMPERATURES WILL BE MUCH COLDER WITH HIGH HUMIDITY READINGS. SOME SUNSHINE AND SLIGHTLY WARMER TEMPERATURES WILL RETURN BY FRIDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .THURSDAY... SKY/WEATHER.........SNOW AND AREAS OF BLOWING SNOW. MAX TEMPERATURE.....23. MIN HUMIDITY........79%. 20-FOOT WINDS.......NORTHEAST 12-19 MPH. TRANSPORT WINDS.....EAST 20-28 MPH. MIXING HEIGHT.......4200-5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0700...FAIR UNTIL 0900...THEN GOOD UNTIL 1100...THEN VERY GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........CLOUDY. SNOW. MIN TEMPERATURE.....7. MAX HUMIDITY........100%. 20-FOOT WINDS.......NORTHEAST 8-14 MPH. TRANSPORT WINDS.....NORTHEAST 16-24 MPH. MIXING HEIGHT.......3800-4800 FT AGL UNTIL 2400...THEN 2000-3000 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 0100. POOR AFTER 0300. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY(50-60%) UNTIL 1500...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200. MAX TEMPERATURE.....30. MIN HUMIDITY........61%. 20-FOOT WINDS.......NORTHEAST 8-9 MPH UNTIL 1500...THEN NORTH 4-5 MPH. TRANSPORT WINDS.....NORTHEAST 5-16 MPH. MIXING HEIGHT.......3800-4800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS AROUND 20. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 14 MPH WITH GUSTS TO AROUND 25 MPH. .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 20. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH. .TUESDAY...MOSTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GLACIER BASIN PILE BURN. +++ 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 03/26-05 100 81 15 100 NE 3 1 3004 SE 12 28722 P 03/26-06 100 91 15 100 NE 5 5 2 1 SW31 2945 SE 14 34820 P 03/26-07 100 91 16 100 NE 7 1 3469 SE 15 46967 F 03/26-08 100 91 16 100 NE 9 1 3993 SE 16 59115 F 03/26-09 100 91 17 95 NE 12 12 2 1 SW21 4518 E 18 71263 G 03/26-10 100 91 18 90 NE 14 1 4708 E 22 92079 G 03/26-11 100 91 20 85 NE 15 1 4899 E 26 112895 V 03/26-12 100 94 21 82 NE 16 24 2 1 SE25 5090 E 30 133711 V 03/26-13 100 94 21 80 NE 16 1 5102 E 30 133796 V 03/26-14 100 94 22 79 NE 15 1 5115 E 30 133882 V 03/26-15 100 94 22 80 NE 14 14 2 1 SE28 5128 E 30 133967 V 03/26-16 100 94 22 82 NE 13 1 5101 E 28 124412 V 03/26-17 100 94 21 86 NE 13 1 5074 E 26 114858 V 03/26-18 100 90 19 95 NE 12 12 2 1 SE26 5048 E 24 105303 V 03/26-19 100 90 18 88 NE 12 1 4838 E 24 100983 V 03/26-20 100 90 16 96 NE 12 1 4612 E 24 96296 G 03/26-21 100 90 14 100 NE 10 10 2 1 SE36 4386 E 24 91610 G 03/26-22 100 90 12 100 NE 9 1 3951 E 24 81334 G 03/26-23 100 90 11 100 NE 7 1 3515 E 23 71058 G 03/27-00 100 90 10 100 NE 6 6 2 1 SE33 3080 NE 23 60782 G 03/27-01 100 90 9 100 NE 5 1 2713 NE 21 51034 F 03/27-02 100 90 9 100 NE 5 1 2347 NE 20 41285 F 03/27-03 100 90 8 100 NE 5 5 2 1 S21 1980 NE 18 31537 P 03/27-04 100 90 8 100 NE 5 1 1847 NE 16 26389 P 03/27-05 100 90 8 100 E 3 1 1714 NE 14 21242 P 03/27-06 79 20 8 100 E 3 3 2 1 E13 1581 NE 12 16094 P 03/27-07 79 20 9 100 E 3 1 1928 NE 13 21157 P 03/27-08 79 20 11 100 E 5 1 2274 NE 13 26219 P 03/27-09 79 20 14 96 E 5 5 2 1 NE16 2621 NE 14 31282 P 03/27-10 79 20 18 93 E 5 1 3253 NE 13 34182 P 03/27-11 79 20 21 82 E 5 1 3885 E 12 37081 P 03/27-12 49 0 24 74 E 5 5 2 1 NE10 4516 E 10 39981 P 03/27-13 49 0 26 67 NE 3 1 4663 NE 8 32739 P 03/27-14 49 0 28 63 NE 2 1 4809 N 6 25497 P 03/27-15 49 0 28 62 N 2 2 2 1 NW 3 4956 N 5 18256 P 03/27-16 64 0 28 61 N 2 1 4781 N 7 27068 P 03/27-17 64 0 27 62 NW 3 1 4606 NW 9 35881 P 03/27-18 64 0 26 65 NW 5 5 2 1 NW20 4431 NW 12 44694 F 03/27-19 64 0 25 62 W 6 1 3598 NW 12 35745 P 03/27-20 64 0 23 64 W 7 1 2764 W 12 26796 P 03/27-21 64 0 20 66 W 8 8 3 1 N26 1930 W 10 17847 P 03/27-22 64 0 19 68 W 9 1 1652 W 10 15544 P 03/27-23 64 0 18 69 W 9 1 1373 W 12 13242 P 03/28-00 64 0 17 72 W 10 10 3 1 N28 1094 W 12 10939 P 03/28-01 64 0 16 74 W 10 1 1020 W 12 10063 P 03/28-02 64 0 16 76 W 12 1 945 NW 12 9187 P 03/28-03 42 0 15 78 W 12 12 2 1 N32 871 NW 12 8311 P 03/28-04 42 0 15 77 W 12 1 854 NW 10 7605 P 03/28-05 42 0 15 77 W 12 1 838 NW 9 6898 P 03/28-06 42 0 15 77 W 12 12 2 1 N32 821 NW 9 6192 P 03/28-07 42 0 16 82 W 12 1 1003 W 9 7921 P 03/28-08 42 0 18 82 W 10 1 1186 W 9 9651 P 03/28-09 42 0 20 79 W 10 10 2 1 N35 1368 W 9 11380 P 03/28-10 42 0 24 72 W 9 1 1854 W 13 23200 P 03/28-11 42 0 26 65 W 9 1 2340 NW 16 35020 P 03/28-12 42 0 29 61 W 8 8 2 1 N35 2827 NW 20 46839 F 03/28-13 42 0 30 57 W 8 1 2982 NW 18 48794 F 03/28-14 42 0 32 54 W 8 1 3138 NW 18 50749 F 03/28-15 42 0 32 51 W 8 8 2 1 NW40 3294 NW 18 52704 F 03/28-16 42 0 32 50 W 9 1 2858 NW 20 47514 F 03/28-17 42 0 32 50 W 10 1 2422 NW 21 42324 F 03/28-18 36 0 30 52 W 13 13 2 1 NW51 1986 W 22 37134 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...JEFF SINGER REASON FOR REQUEST...PRESCRIBED .TAG 20090326.GLACI.01/BOU