FNUS75 KBOU 121234 FWSBOU SPOT FORECAST FOR SPILLWAY FIRE...OTHER NATIONAL WEATHER SERVICE DENVER CO 534 AM MST SAT MAR 12 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SURFACE HIGH PRESSURE BUILT OVER NEBRASKA AND NORTHEASTERN COLORADO OVERNIGHT WHICH WILL COMBINE WITH LOWER PRESSURE OVER WESTERN COLORADO TO PRODUCE EASTERLY WINDS INTO THE FOOTHILLS TODAY. COOLER AIR HAS ALSO MOVED INTO THE AREA WHICH WILL IMPROVE RELATIVE HUMIDITY VALUES THROUGH THE AFTERNOON. ALOFT...ZONAL FLOW WITH MODERATE WEST WINDS WILL CONTINUE TODAY AND TONIGHT. AN EMBEDDED WEATHER DISTURBANCE WILL MOVE OVER THE AREA TONIGHT WITH A CHANCE OF RAIN OR SNOW. A WEAK UPPER LEVEL RIDGE WILL BUILD OVER NORTHWESTERN COLORADO ON SUNDAY WHICH WILL SWITCH FLOW ALOFT TO MODERATE NORTHWESTERLY. AT LOWER LEVELS...SOUTHEASTERLY WINDS WILL CONTINUE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY THROUGH 1100 THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER 1400. MAX TEMPERATURE.....53-58. MIN HUMIDITY........24-32%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 6-12 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......RISING TO 6600-7600 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 2300...THEN SLIGHT CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....28-34. MAX HUMIDITY........50-58%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-8 MPH UNTIL 2100...THEN NORTHWEST 6-10 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......4800-5800 FT AGL UNTIL 2100...THEN LESS THAN 1000 FEET AGL. SMOKE DISPERSAL.....GOOD UNTIL 1900...THEN FAIR UNTIL 2100...THEN POOR. HAINES INDEX........3 VERY LOW. .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1700...THEN PARTLY CLOUDY(30-40%). SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 1700. MAX TEMPERATURE.....51-57. MIN HUMIDITY........24-32%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. TRANSPORT WINDS.....WEST 16-24 MPH UNTIL 1200...THEN 12-20 MPH. MIXING HEIGHT.......4600-5600 FT AGL UNTIL 1000...THEN 6800-7800 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 0800...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1800. LOWS IN THE LOWER 30S. HIGHS AROUND 60. WEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 0600. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 8 MPH. .WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1800. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 11 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR SPILLWAY FIRE. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE 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 03/12-05 63 0 28 69 W 3 3 2 1 W39 447 W 3 1246 P 03/12-06 63 4 35 56 NW 3 1 1779 W 9 28421 P 03/12-07 63 4 36 60 N 3 1 3112 W 15 55596 F 03/12-08 51 4 44 50 N 3 3 2 1 W43 4445 W 22 82772 G 03/12-09 51 4 47 45 NE 3 1 5203 W 22 97910 G 03/12-10 51 4 49 39 E 3 1 5962 W 22 113049 V 03/12-11 51 4 51 35 SE 3 3 2 1 W46 6720 W 22 128188 V 03/12-12 64 10 52 33 SE 3 1 7125 W 21 129842 V 03/12-13 64 10 53 30 NE 2 1 7530 W 21 131496 V 03/12-14 64 10 53 30 N 2 2 2 1 W40 7934 W 20 133151 V 03/12-15 64 10 55 28 NE 2 1 7443 W 18 119718 V 03/12-16 64 10 54 29 E 2 1 6952 W 17 106286 V 03/12-17 76 29 50 35 E 2 2 2 1 W38 6461 W 16 92854 G 03/12-18 76 29 46 41 E 2 1 5835 SW 15 76266 G 03/12-19 76 29 45 44 E 3 1 5209 SW 13 59678 F 03/12-20 76 29 43 48 E 3 3 2 1 W41 4583 SW 10 43089 F 03/12-21 76 29 41 50 NE 3 1 4206 SW 15 51080 F 03/12-22 76 29 41 49 NW 5 1 3829 W 18 59071 F 03/12-23 70 20 41 49 W 5 5 3 1 W45 3451 W 22 67061 G 03/13-00 70 20 41 49 W 6 1 2857 W 22 55497 F 03/13-01 70 20 42 47 NW 7 1 2262 W 22 43933 F 03/13-02 70 20 39 51 NW 7 7 2 1 W49 1667 W 22 32369 P 03/13-03 70 20 39 51 NW 6 1 1739 W 22 32608 P 03/13-04 70 20 38 52 NW 5 1 1812 W 21 32846 P 03/13-05 53 20 38 53 W 3 3 2 1 W45 1884 W 21 33084 P 03/13-06 53 20 39 50 W 3 1 3472 W 24 72180 G 03/13-07 53 20 40 47 W 5 1 4290 W 24 91145 G 03/13-08 53 20 47 36 W 5 5 2 1 W49 5108 W 25 110111 V 03/13-09 53 20 50 32 W 5 1 6241 W 24 129545 V 03/13-10 53 20 52 30 W 6 1 7374 W 23 148980 V 03/13-11 53 10 55 27 W 6 6 2 1 W37 8507 W 23 168414 E 03/13-12 53 10 54 28 W 7 1 8351 W 22 159813 E 03/13-13 53 10 55 26 W 8 1 8196 W 21 151212 E 03/13-14 53 10 55 27 W 8 13 2 1 W31 8040 W 21 142611 V 03/13-15 53 10 55 26 W 8 1 7405 W 18 118503 V 03/13-16 53 10 55 26 W 7 1 6771 W 16 94395 G 03/13-17 35 0 50 31 W 6 6 2 1 W29 6136 W 13 70287 G 03/13-18 35 0 46 36 W 5 1 4144 W 10 47086 F 03/13-19 35 0 45 39 W 5 1 2152 W 8 23884 P 03/13-20 35 0 29 71 W 5 5 2 1 NW22 159 W 5 682 P 03/13-21 35 0 42 42 W 6 1 1341 W 7 11405 P 03/13-22 35 0 43 41 W 6 1 2522 W 8 22127 P 03/13-23 30 0 43 39 W 7 7 2 1 W12 3704 W 10 32850 P 03/14-00 30 0 43 37 W 7 1 3130 W 12 29681 P 03/14-01 30 0 43 34 W 7 1 2555 W 13 26512 P 03/14-02 30 0 41 34 W 7 7 2 1 W17 1981 W 14 23343 P 03/14-03 30 0 41 32 W 7 1 1846 W 14 21337 P 03/14-04 30 0 40 32 W 8 1 1710 W 13 19330 P 03/14-05 41 5 40 31 W 8 13 2 1 W28 1575 W 13 17324 P 03/14-06 41 5 39 33 W 7 1 2577 W 17 45543 F 03/14-07 41 5 41 32 W 7 1 3579 W 22 73762 G 03/14-08 41 5 48 25 W 6 6 2 1 W31 4581 W 25 101982 V 03/14-09 41 5 51 24 W 6 1 5328 W 30 141098 V 03/14-10 41 5 53 23 SW 6 1 6076 W 33 180215 E 03/14-11 41 5 56 22 SW 7 7 2 1 W36 6824 W 37 219331 E 03/14-12 41 5 55 23 SW 8 1 6820 W 38 223498 E 03/14-13 41 5 58 22 SW 9 1 6817 W 38 227666 E 03/14-14 41 5 57 24 SW 10 16 2 1 W35 6814 W 39 231833 E 03/14-15 41 5 57 24 SW 9 1 6137 W 37 199123 E 03/14-16 41 5 57 26 SW 8 1 5461 W 35 166413 E 03/14-17 60 10 53 30 W 8 13 2 1 W31 4784 W 32 133703 V 03/14-18 60 10 49 36 W 9 1 3240 W 26 89843 G 03/14-19 60 10 48 39 W 12 1 1696 W 22 45984 F 03/14-20 60 10 34 66 W 13 21 2 1 SW36 152 W 16 2124 P 03/14-21 60 10 46 43 W 13 1 587 W 21 13637 P 03/14-22 60 10 46 42 W 13 1 1022 W 24 25151 P 03/14-23 34 10 46 42 W 13 21 3 1 SW36 1457 W 29 36664 P 03/15-00 34 10 46 41 W 13 1 1411 W 31 38271 P 03/15-01 34 10 47 40 W 12 1 1365 W 33 39877 P 03/15-02 34 10 45 41 W 12 17 3 1 W39 1319 W 36 41484 F 03/15-03 34 10 45 40 W 10 1 1330 W 36 40643 F 03/15-04 34 10 44 41 W 9 1 1340 W 35 39803 P 03/15-05 40 8 44 41 W 9 15 3 1 W47 1351 W 33 38962 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 $$ DANKERS...WFO BOULDER REQUESTED BY...JOHN WEAVER REASON FOR REQUEST...WILDFIRE .TAG 20110311.SPILL.01/BOU