FNUS75 KBOU 122248 FWSBOU SPOT FORECAST FOR GLACIER BASIN PILE BURN...USFS NATIONAL WEATHER SERVICE DENVER CO 448 PM MDT THU MAR 12 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A BROAD UPPER LEVEL SYSTEM OVER THE DESERT SOUTHWEST WILL BRING CLOUDY SKIES AND A SLIGHT CHANCE FOR SNOW TONIGHT AND FRIDAY. SMOKE DISPERSION WILL BE FAIR TO POOR FOR TONIGHT AND FRIDAY DUE TO WEAK WINDS AT THE SURFACE AND ALOFT PLUS AN INVERSION A FEW THOUSAND FEET OFF THE GROUND. WINDS WILL BE LIGHT THE NEXT TWO DAYS WITH WESTERLY WINDS AT NIGHT AND EASTERLY WINDS DURING THE DAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. MIN TEMPERATURE.....11-16. MAX HUMIDITY........85-95%. 20-FOOT WINDS.......NORTHEAST 2-8 MPH BECOMING WEST AFTER DARK. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......5200-6200 FT AGL UNTIL 2200. 600-1600 FT AGL AFTER 2400. SMOKE DISPERSAL.....FAIR UNTIL 2200 THEN POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900...THEN PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....30-35. MIN HUMIDITY........44-50%. 20-FOOT WINDS.......EAST 6-12 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......5600-6600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MIN TEMPERATURE.....17-22. MAX HUMIDITY........60-70%. 20-FOOT WINDS.......WEST 6-13 MPH. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......4800-5800 FT AGL UNTIL 2300. 2000-2200 FT AGL AFTER 0300. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....37-43. MIN HUMIDITY........32-40%. 20-FOOT WINDS.......WEST 6-13 MPH UNTIL 0900...THEN EAST 4-10 MPH. TRANSPORT WINDS.....NORTH 8-16 MPH. MIXING HEIGHT.......6600-7600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1400...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. 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 03/12-16 53 0 28 56 SW 2 1 6049 W 17 90282 G 03/12-17 53 0 27 57 W 2 1 6234 W 16 83745 G 03/12-18 66 10 33 42 CALM 1 2 1 W40 6419 W 14 77209 G 03/12-19 66 10 31 46 CALM 1 5918 W 15 73937 G 03/12-20 66 10 28 53 W 2 1 5418 W 15 70666 G 03/12-21 82 10 24 61 W 2 2 2 1 W37 4917 W 16 67394 G 03/12-22 82 10 22 69 W 2 1 3784 W 13 47437 F 03/12-23 82 10 20 76 NW 2 1 2651 W 9 27480 P 03/13-00 90 20 18 81 NW 2 2 2 1 W32 1518 W 6 7523 P 03/13-01 90 20 17 86 NW 3 1 1242 W 6 6233 P 03/13-02 90 20 16 89 NW 3 1 967 W 6 4944 P 03/13-03 92 20 15 90 W 5 5 2 1 W29 691 NW 6 3654 P 03/13-04 92 20 15 90 W 5 1 940 NW 6 3969 P 03/13-05 92 20 15 87 W 6 1 1190 NW 5 4283 P 03/13-06 69 20 15 84 W 6 6 2 1 W24 1439 NW 3 4597 P 03/13-07 69 20 16 82 NW 3 1 2395 NW 3 8360 P 03/13-08 69 20 17 80 N 2 1 3351 NW 5 12123 P 03/13-09 40 20 19 72 N 2 2 2 1 W15 4307 NW 5 15886 P 03/13-10 40 20 23 66 NE 3 1 4778 NW 3 14894 P 03/13-11 40 20 25 61 E 6 1 5250 N 3 13902 P 03/13-12 35 10 28 57 E 8 8 2 1 W 8 5721 N 2 12910 P 03/13-13 35 10 30 53 E 9 1 6130 N 2 12447 P 03/13-14 35 10 31 49 E 9 1 6539 N 2 11984 P 03/13-15 37 10 32 47 E 8 8 2 1 W 8 6949 N 2 11521 P 03/13-16 37 10 32 48 E 7 1 6570 NW 2 10694 P 03/13-17 37 10 31 50 E 6 1 6192 W 2 9868 P 03/13-18 54 4 30 54 E 5 5 2 1 W12 5814 SW 2 9041 P 03/13-19 54 4 28 49 SE 3 1 5872 W 2 12168 P 03/13-20 54 4 27 52 SW 3 1 5467 W 2 12731 P 03/13-21 54 4 25 56 W 3 3 2 1 NW 7 5062 NW 3 13293 P 03/13-22 54 4 24 58 W 3 1 4567 NW 3 13998 P 03/13-23 54 4 23 59 W 3 1 4071 NW 5 14704 P 03/14-00 47 1 22 59 W 5 5 4 1 NE14 3575 NW 5 15409 P 03/14-01 47 1 21 59 W 6 1 3121 NW 6 14980 P 03/14-02 47 1 20 60 W 6 1 2667 NW 7 14552 P 03/14-03 47 1 20 61 W 7 7 4 1 NE17 2213 NW 7 14123 P 03/14-04 47 1 20 62 W 8 1 2074 NW 8 14410 P 03/14-05 47 1 20 61 W 8 1 1935 NW 9 14697 P 03/14-06 25 0 20 62 W 8 8 4 1 NE23 1795 NW 9 14984 P 03/14-07 25 0 20 63 W 8 1 2751 NW 10 24548 P 03/14-08 25 0 22 61 W 7 1 3706 N 10 34113 P 03/14-09 25 0 25 57 W 6 6 3 1 NE31 4661 N 10 43677 F 03/14-10 25 0 28 52 W 5 1 5004 N 10 46111 F 03/14-11 25 0 31 47 W 5 1 5347 N 10 48545 F 03/14-12 25 0 34 44 W 5 5 3 1 NE31 5690 N 10 50979 F 03/14-13 25 0 36 41 W 5 1 6505 N 10 57534 F 03/14-14 25 0 37 38 W 5 1 7320 N 10 64088 G 03/14-15 25 0 38 37 W 5 5 2 1 NE29 8135 N 10 70643 G 03/14-16 25 0 38 36 W 5 1 7259 N 10 62538 G 03/14-17 25 0 36 37 W 6 1 6382 NW 10 54432 F 03/14-18 25 10 34 39 W 6 6 2 1 N25 5506 NW 9 46326 F 03/14-19 25 10 33 40 W 7 1 5136 NW 12 48479 F 03/14-20 25 10 30 43 W 8 1 4766 NW 13 50633 F 03/14-21 25 10 28 46 W 8 8 3 1 N18 4396 NW 14 52786 F 03/14-22 25 10 26 49 W 8 1 3630 NW 15 45672 F 03/14-23 25 10 24 50 W 8 1 2864 W 16 38558 P 03/15-00 26 10 23 51 W 9 9 4 1 NW17 2098 W 17 31445 P 03/15-01 26 10 22 53 W 9 1 1887 W 20 31287 P 03/15-02 26 10 22 54 W 10 1 1676 W 22 31130 P 03/15-03 26 10 21 55 W 12 12 3 1 NW15 1465 W 24 30973 P 03/15-04 26 10 21 56 W 13 1 1423 W 25 31057 P 03/15-05 26 10 21 56 W 14 1 1381 W 26 31141 P 03/15-06 55 10 21 56 W 14 22 3 1 W23 1339 W 26 31225 P 03/15-07 55 10 21 56 W 14 1 1842 W 28 45217 F 03/15-08 55 10 22 55 W 14 1 2345 W 29 59210 F 03/15-09 55 10 24 52 W 14 22 2 1 W32 2849 W 30 73203 G 03/15-10 55 10 26 49 W 15 1 3615 W 35 113895 V 03/15-11 55 10 28 46 W 16 1 4381 W 39 154586 E 03/15-12 59 10 30 44 W 16 25 2 1 W26 5147 W 44 195277 E 03/15-13 59 10 32 42 W 17 1 5131 W 44 194379 E 03/15-14 59 10 33 40 W 18 1 5115 W 44 193481 E 03/15-15 59 10 33 39 W 18 30 2 1 NW26 5099 W 44 192582 E 03/15-16 59 10 33 39 W 18 1 4916 W 45 191948 E 03/15-17 59 10 32 40 W 17 1 4734 W 47 191313 E 03/15-18 46 13 31 41 W 15 24 2 1 NW39 4552 W 48 190679 E 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...DOUG WATRY REASON FOR REQUEST...PRESCRIBED .TAG 20090312.GLACI.01/BOU