FNUS75 KBOU 191629 FWSBOU SPOT FORECAST FOR GREEN RIDGE PILE BURN...USFS NATIONAL WEATHER SERVICE DENVER CO 928 AM MST THU NOV 19 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE WILL REMAIN ACROSS THE AREA TODAY WITH ONLY LIGHT NORTHWEST FLOW ALOFT. SURFACE WINDS WILL BE LIGHT...BUT MIXING HEIGHTS WILL BE MODERATE FOR THIS TIME OF YEAR. AS A RESULT...A PERIOD OF FAIR SMOKE DISPERSION CAN BE EXPECTED THIS AFTERNOON BETWEEN 1200 AND 1500. OTHERWISE LOOK FOR POOR SMOKE DISPERSION. TEMPERATURES WILL BE SLIGHTLY COOLER THAN YESTERDAY. SMOKE DISPERSION WILL INCREASE BY SATURDAY AND SUNDAY AS SOUTHWEST FLOW INCREASES SATURDAY AND THEN BECOMES MORE WESTERLY SUNDAY AS A WEATHER DISTURBANCE MOVES ACROSS THE CENTRAL AND NORTHERN ROCKIES. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....37-39. MIN HUMIDITY........33-36%. 20-FOOT WINDS.......SOUTHWEST 5-10 MPH BECOMING NORTHWEST 4-8 MPH BY 1300. TRANSPORT WINDS.....WEST 4-8 MPH. MIXING HEIGHT.......600-1000 FT AGL UNTIL 1000...THEN INCREASING TO 4000-5000 FT AGL BY 1200. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....9-13. MAX HUMIDITY........75-79%. 20-FOOT WINDS.......SOUTH 4-8 MPH. TRANSPORT WINDS.....SOUTH 4-8 MPH. MIXING HEIGHT.......200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1700...THEN PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....37-41. MIN HUMIDITY........32%. 20-FOOT WINDS.......SOUTHWEST 4-9 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......1400-2400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1200 UNTIL 1800...THEN CHANCE OF SNOW SHOWERS. LOWS AROUND 11. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 14 MPH WITH GUSTS TO AROUND 30 MPH. .SUNDAY...CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 0600...THEN SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1800...THEN CHANCE OF SNOW. LOWS AROUND 13. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 12. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 25 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GREEN RIDGE 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 11/19-09 14 5 18 59 S 5 1 SW 3 6747 P 11/19-10 14 5 24 52 SW 5 1 W 5 13090 P 11/19-11 12 5 30 47 SW 5 5 3 1 W20 3886 NW 6 19433 P 11/19-12 12 5 34 42 W 5 1 NW 7 30881 P 11/19-13 12 5 37 39 NW 3 1 NW 8 42328 F 11/19-14 12 5 36 38 NW 3 3 2 1 W24 5643 NW 9 42328 F 11/19-15 12 5 36 36 NW 3 1 NW 8 35358 P 11/19-16 12 5 34 38 SW 5 1 NW 8 28388 P 11/19-17 9 0 29 45 SW 5 5 2 1 N20 3570 W 7 21419 P 11/19-18 9 0 23 56 SW 5 1 1747 W 6 10528 P 11/19-19 9 0 19 66 S 5 1 966 SW 5 5504 P 11/19-20 9 0 17 71 S 5 5 3 1 N23 183 S 3 480 P 11/19-21 9 0 15 76 S 5 1 165 S 3 451 P 11/19-22 9 0 13 76 S 6 1 146 S 3 422 P 11/19-23 9 0 13 74 S 6 6 4 1 N21 127 S 5 393 P 11/20-00 9 0 12 71 S 6 1 131 S 5 421 P 11/20-01 9 0 12 72 S 5 1 135 S 5 448 P 11/20-02 9 0 11 71 S 5 5 4 1 NW22 139 S 5 475 P 11/20-03 9 0 11 71 S 5 1 135 S 5 453 P 11/20-04 9 0 11 70 S 5 1 131 S 5 431 P 11/20-05 27 0 13 65 S 5 5 4 1 NW26 132 S 5 426 P 11/20-06 27 0 12 67 S 6 1 145 S 5 492 P 11/20-07 27 0 13 64 S 5 1 160 S 5 559 P 11/20-08 27 0 18 54 S 5 5 4 1 N23 174 S 5 625 P 11/20-09 27 0 24 45 S 5 1 684 SW 6 4003 P 11/20-10 27 0 30 39 S 6 1 1194 SW 7 7380 P 11/20-11 26 0 33 37 SW 6 6 3 1 NW18 1704 SW 7 10758 P 11/20-12 26 0 36 35 SW 6 1 1969 SW 8 14576 P 11/20-13 26 0 37 33 SW 6 1 2233 SW 9 18393 P 11/20-14 26 0 37 32 SW 6 6 5 1 W18 2497 SW 10 22211 P 11/20-15 26 0 37 32 SW 6 1 1939 SW 10 16909 P 11/20-16 26 0 35 33 S 7 1 1381 SW 9 11606 P 11/20-17 33 0 30 35 S 7 7 5 1 W21 823 S 9 6304 P 11/20-18 33 0 26 41 S 7 1 610 S 9 4648 P 11/20-19 33 0 23 45 S 8 1 396 S 9 2992 P 11/20-20 33 0 21 47 S 8 8 5 1 W23 183 S 9 1336 P 11/20-21 33 0 20 49 S 9 1 166 S 9 1273 P 11/20-22 33 0 18 50 S 9 1 149 S 9 1211 P 11/20-23 46 0 18 51 S 10 17 5 1 W32 132 S 10 1149 P 11/21-00 46 0 17 52 S 10 1 129 S 10 1192 P 11/21-01 46 0 16 53 S 12 1 125 S 12 1235 P 11/21-02 46 0 15 55 S 12 20 5 1 SW43 122 S 13 1278 P 11/21-03 46 0 14 56 S 12 1 124 S 13 1286 P 11/21-04 46 0 13 57 S 12 1 127 S 12 1296 P 11/21-05 26 8 13 60 S 12 18 5 1 SW54 130 SW 12 1304 P 11/21-06 26 8 12 65 S 12 1 138 SW 13 1445 P 11/21-07 26 8 13 65 S 12 1 146 SW 13 1587 P 11/21-08 26 8 17 59 S 12 20 3 1 SW58 154 SW 14 1728 P 11/21-09 26 8 22 50 S 13 1 438 SW 15 6425 P 11/21-10 26 8 28 44 SW 13 1 722 SW 16 11122 P 11/21-11 72 20 31 42 SW 14 23 3 1 SW59 1006 SW 18 15819 P 11/21-12 72 20 33 39 SW 14 1 1682 SW 21 32583 P 11/21-13 72 20 34 38 SW 15 1 2358 SW 23 49346 F 11/21-14 72 20 34 37 SW 15 25 3 1 SW60 3034 SW 25 66108 G 11/21-15 72 20 34 37 SW 16 1 2511 SW 23 52060 F 11/21-16 72 20 32 39 W 16 1 1986 SW 22 38012 P 11/21-17 71 25 28 44 W 16 28 2 1 SW51 1462 SW 20 23964 P 11/21-18 71 25 25 50 W 16 1 1083 W 17 17384 P 11/21-19 71 25 22 55 W 16 1 704 W 16 10804 P 11/21-20 71 25 21 57 W 16 28 2 1 SW46 324 W 15 4224 P 11/21-21 71 25 20 60 W 15 1 307 W 15 3990 P 11/21-22 71 25 19 61 W 15 1 289 W 15 3756 P 11/21-23 71 25 18 63 W 14 23 2 1 W31 272 W 15 3523 P 11/22-00 71 25 18 64 W 13 1 257 W 14 3120 P 11/22-01 71 25 17 66 W 12 1 241 W 13 2718 P 11/22-02 71 25 16 67 W 10 17 2 1 W31 225 W 13 2316 P 11/22-03 71 25 16 69 SW 9 1 220 W 12 2126 P 11/22-04 71 25 15 70 SW 8 1 214 SW 10 1935 P 11/22-05 81 17 14 72 SW 7 7 4 1 W37 209 SW 10 1745 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...CASEY CHEESBROUGH REASON FOR REQUEST...PRESCRIBED .TAG 20091119.GREEN.01/BOU