FNUS75 KBOU 241405 FWSBOU SPOT FORECAST FOR TRUMBULL...USFS NATIONAL WEATHER SERVICE DENVER CO 705 AM MST TUE FEB 24 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A FLAT RIDGE OF HIGH PRESSURE WITH MODERATE WESTERLY FLOW ALOFT WILL CONTINUE OVER COLORADO TODAY AND TONIGHT. A SURFACE HIGH PRESSURE RIDGE OVER THE MOUNTAINS AND WEAKER LOW PRESSURE ON THE PLAINS WILL PRODUCE MODERATE WESTERLY WINDS FROM LATE MORNING THROUGH THE AFTERNOON. THE AIRMASS WILL BE DRY AND STABLE THROUGH TONIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....54-60. MIN HUMIDITY........20-28%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN WEST 8-12 MPH. TRANSPORT WINDS.....WEST 20-28 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...THEN 3800-4800 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1000...THEN VERY GOOD UNTIL 1300... THEN EXCELLENT UNTIL 1500...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....28-34. MAX HUMIDITY........52-60%. 20-FOOT WINDS.......SOUTHWEST 8-12 MPH. TRANSPORT WINDS.....WEST 9-20 MPH. MIXING HEIGHT.......1400-2400 FT AGL UNTIL 2100...THEN 200-600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1900...THEN POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS AFTER 1700. MAX TEMPERATURE.....54-60. MIN HUMIDITY........20-2228%. 20-FOOT WINDS.......SOUTHWEST 12-22 MPH. GUSTS UP TO 30 MPH IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 12-20 MPH UNTIL 1200...THEN 24-32 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...THEN 4400-5400 FT AGL UNTIL 1300...THEN 6600-7600 FT AGL UNTIL 1700...THEN 4800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1300...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 0600. LOWS IN THE MID 20S. HIGHS IN THE MID 50S. WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 25 MPH. .FRIDAY...MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS AROUND 50. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR TRUMBULL. +++ 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 02/24-06 18 0 31 60 W 7 1 375 W 14 5509 P 02/24-07 18 0 32 58 W 7 1 572 W 17 9492 P 02/24-08 18 0 36 50 W 7 7 2 1 NW31 555 W 17 8379 P 02/24-09 18 0 41 41 W 8 1 2140 W 21 41195 F 02/24-10 18 0 44 34 W 9 1 3509 W 22 68915 G 02/24-11 10 0 48 30 W 10 10 3 1 W45 4322 W 26 98791 G 02/24-12 10 0 51 27 W 10 1 5033 W 24 108612 V 02/24-13 10 0 53 25 W 10 1 5187 W 26 120588 V 02/24-14 10 0 54 24 W 10 10 3 1 W45 5355 W 33 157119 E 02/24-15 10 0 54 24 W 10 1 4785 W 26 113622 V 02/24-16 10 0 52 26 W 10 1 4229 W 25 94679 G 02/24-17 11 0 49 34 SW 10 10 4 1 W54 3399 W 29 83687 G 02/24-18 11 0 46 38 SW 9 1 2546 W 21 48455 F 02/24-19 11 0 44 43 SW 8 1 1698 W 18 30194 P 02/24-20 11 0 41 48 SW 8 8 4 1 W54 1248 W 17 18722 P 02/24-21 11 0 38 51 SW 8 1 658 W 15 8936 P 02/24-22 11 0 37 52 SW 8 1 466 W 14 5940 P 02/24-23 16 0 35 52 SW 9 9 4 1 W46 401 W 15 5155 P 02/25-00 16 0 34 54 SW 9 1 246 W 12 2527 P 02/25-01 16 0 33 54 SW 9 1 219 W 10 2109 P 02/25-02 16 0 32 54 SW 9 9 4 1 W38 210 W 12 2031 P 02/25-03 16 0 32 54 SW 8 1 196 W 9 1460 P 02/25-04 16 0 32 53 SW 6 1 200 W 7 1228 P 02/25-05 37 0 32 52 SW 8 8 3 1 W38 209 SW 8 1520 P 02/25-06 37 0 32 52 SW 9 1 360 SW 8 2519 P 02/25-07 37 0 34 50 SW 10 1 511 SW 8 3518 P 02/25-08 37 0 38 43 SW 12 12 2 1 W40 663 SW 8 4517 P 02/25-09 37 0 43 35 SW 13 1 2119 SW 13 36547 P 02/25-10 37 0 47 29 SW 13 1 3575 SW 18 68577 G 02/25-11 51 0 51 25 SW 14 22 2 1 W33 5031 W 23 100607 V 02/25-12 51 0 54 24 SW 16 1 6059 W 24 130822 V 02/25-13 51 0 56 24 SW 20 1 7088 SW 25 161037 E 02/25-14 51 0 57 25 SW 21 33 2 1 W30 8117 SW 28 191253 E 02/25-15 51 0 56 25 SW 20 1 7001 W 29 170939 E 02/25-16 51 0 54 26 SW 16 1 5885 W 30 150626 E 02/25-17 53 20 49 30 SW 14 22 2 1 W49 4769 W 31 130313 V 02/25-18 53 20 46 33 SW 12 1 3386 W 29 90931 G 02/25-19 53 20 43 38 SW 10 1 2003 W 25 51548 F 02/25-20 53 20 39 44 SW 9 9 2 1 W46 620 W 23 12165 P 02/25-21 53 20 36 50 SW 9 1 479 W 20 8878 P 02/25-22 53 20 34 55 SW 9 1 338 W 16 5590 P 02/25-23 53 20 32 59 SW 9 9 2 1 W39 197 W 14 2302 P 02/26-00 53 20 30 62 W 10 1 181 W 15 2251 P 02/26-01 53 20 29 62 W 10 1 166 W 15 2199 P 02/26-02 53 20 28 63 W 12 12 2 1 W43 151 W 16 2148 P 02/26-03 53 20 27 61 W 13 1 159 W 17 2405 P 02/26-04 53 20 27 59 W 14 1 166 W 18 2661 P 02/26-05 58 0 27 55 W 14 22 2 1 W32 174 W 20 2918 P 02/26-06 58 0 28 54 W 13 1 299 W 18 4612 P 02/26-07 58 0 29 51 W 10 1 423 W 17 6307 P 02/26-08 58 0 33 43 W 9 9 2 1 NW23 548 W 17 8001 P 02/26-09 58 0 38 35 W 10 1 2541 W 18 44617 F 02/26-10 58 0 42 30 W 13 1 4534 W 20 81232 G 02/26-11 58 0 47 25 NW 15 24 2 1 W32 6528 NW 21 117847 V 02/26-12 58 0 50 23 NW 16 1 7904 W 22 153643 E 02/26-13 58 0 52 21 W 16 1 9280 W 23 189439 E 02/26-14 58 0 53 20 W 16 25 2 1 W29 10657 W 24 225235 E 02/26-15 58 0 52 21 W 15 1 8844 W 23 179409 E 02/26-16 58 0 50 23 W 14 1 7031 W 21 133583 V 02/26-17 55 0 46 27 W 13 13 2 1 W33 5218 W 20 87757 G 02/26-18 55 0 42 30 W 12 1 3794 W 16 61546 G 02/26-19 55 0 39 34 W 9 1 2369 W 14 35336 P 02/26-20 55 0 35 39 W 8 8 2 1 W35 945 W 12 9126 P 02/26-21 55 0 32 43 W 7 1 714 W 10 6666 P 02/26-22 55 0 30 47 SW 7 1 483 W 9 4205 P 02/26-23 55 0 28 49 SW 7 7 2 1 W35 252 W 8 1744 P 02/27-00 55 0 26 52 SW 7 1 227 W 8 1655 P 02/27-01 55 0 25 53 SW 8 1 203 W 9 1566 P 02/27-02 55 0 24 53 SW 8 8 2 1 W40 179 W 9 1476 P 02/27-03 55 0 23 54 SW 7 1 175 SW 8 1268 P 02/27-04 55 0 23 53 SW 5 1 171 SW 7 1059 P 02/27-05 57 0 24 52 SW 3 3 2 1 W43 167 SW 6 851 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...KRIS HEINY REASON FOR REQUEST...PRESCRIBED .TAG 20090224.TRUMB.01/BOU