FNUS75 KBOU 251354 FWSBOU SPOT FORECAST FOR TRUMBULL...USFS NATIONAL WEATHER SERVICE DENVER CO 654 AM MST WED FEB 25 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A DRY WESTERLY FLOW ALOFT WILL BRING ANOTHER WARM DAY WITH LOW HUMIDITIES. GOOD MIXING WILL ALLOW STRONGER WINDS ALOFT TO MIX DOWN THIS AFTERNOON. MOISTURE WILL BEGIN TO INCREASE THIS EVENING AS A WEAK DISTURBANCE PASSES OVER THE AREA. THERE WILL BE A SLIGHT CHANCE FOR A RAIN OR SNOW SHOWER WITH THIS SYSTEM. ANY PRECIPITATION WILL BE LIGHT. TEMPERATURES WILL BE SLIGHTLY COOLER AND HUMIDITIES WILL BE HIGHER BEHIND THIS SYSTEM ON THURSDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY UNTIL 0800...THEN PARTLY SUNNY(50-60%) MAX TEMPERATURE.....64-68. MIN HUMIDITY........12-16%. 20-FOOT WINDS.......BREEZY. SOUTHWEST 6-12 WITH GUSTS TO 18 MPH INCREASING TO 15-25 MPH WITH GUSTS TO AROUND 35 MPH BY AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH UNTIL 1200...THEN 24-32 MPH. MIXING HEIGHT.......600-1600 FT AGL UNTIL 1000...THEN 4000-5000 FT AGL UNTIL 1200...THEN 7000-8000 FT AGL UNTIL 1400...THEN 8400-9400 FT AGL UNTIL 1600...THEN 5600-6600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1300...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS UNTIL 0500. MIN TEMPERATURE.....29-35. MAX HUMIDITY........74-85%. 20-FOOT WINDS.......WEST 6-12 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....WEST 12-20 MPH. MIXING HEIGHT.......4600 FT AGL UNTIL 1900. 200-800 FT AGL AFTER 2000. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS AFTER 1100. MAX TEMPERATURE.....58-64. MIN HUMIDITY........18-24%. 20-FOOT WINDS.......SOUTHWEST 4-10 MPH WITH GUSTS TO 15 MPH UNTIL 0900...THEN SOUTHWEST 12-22 MPH WITH GUSTS TO AROUND 30 MPH. TRANSPORT WINDS.....WEST 17-28 MPH. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 1000...THEN 5400-6400 FT AGL UNTIL 1300...THEN 7200-8200 FT AGL UNTIL 1700...THEN 5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN GOOD UNTIL 1000...THEN VERY GOOD UNTIL 1100...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. 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 02/25-06 22 0 33 42 SW 8 1 238 W 7 1418 P 02/25-07 22 0 35 41 SW 7 1 320 SW 7 1920 P 02/25-08 70 0 39 36 SW 6 6 3 1 W31 402 SW 7 2422 P 02/25-09 70 0 43 29 SW 8 1 1996 SW 12 31949 P 02/25-10 70 0 47 24 S 12 1 3590 SW 16 61476 G 02/25-11 70 0 51 20 S 15 15 2 1 W37 5184 SW 21 91003 G 02/25-12 70 0 54 18 S 18 1 6688 SW 23 144525 V 02/25-13 70 0 56 17 SW 22 1 8193 SW 26 198047 E 02/25-14 49 0 57 17 SW 23 35 2 1 W35 9697 SW 30 251569 E 02/25-15 49 0 57 17 SW 23 1 8226 SW 31 217010 E 02/25-16 49 0 55 18 SW 22 1 6754 W 31 182451 E 02/25-17 49 20 51 20 SW 20 30 2 1 W46 5283 W 32 147892 V 02/25-18 49 20 48 23 SW 15 1 4526 W 25 115626 V 02/25-19 49 20 45 27 W 10 1 2673 W 21 63332 G 02/25-20 49 20 42 33 W 8 8 2 1 W63 819 W 15 11039 P 02/25-21 49 20 40 39 W 8 1 680 W 15 8881 P 02/25-22 49 20 38 45 W 8 1 541 W 14 6723 P 02/25-23 44 20 36 51 W 9 9 2 1 W62 402 W 13 4566 P 02/26-00 44 20 34 56 W 10 1 354 W 14 4069 P 02/26-01 44 20 34 59 W 10 1 305 W 14 3572 P 02/26-02 44 20 33 61 W 12 12 2 1 W55 257 W 14 3075 P 02/26-03 44 20 32 62 W 10 1 276 W 13 3077 P 02/26-04 44 20 32 62 W 9 1 296 W 13 3079 P 02/26-05 58 0 32 61 W 8 8 2 1 W49 315 W 12 3081 P 02/26-06 58 0 33 74 W 7 1 804 W 15 12152 P 02/26-07 58 0 34 71 SW 6 1 1335 W 17 21362 P 02/26-08 58 0 38 60 SW 6 6 2 1 W46 1865 W 18 30573 P 02/26-09 58 0 42 50 SW 8 1 3200 W 22 67626 G 02/26-10 58 0 45 42 W 13 1 4534 W 25 104680 V 02/26-11 58 10 49 36 W 16 25 2 1 W38 5869 W 28 141733 V 02/26-12 58 10 51 32 W 18 1 6890 W 26 160296 E 02/26-13 58 10 53 29 W 20 1 7910 W 26 178858 E 02/26-14 58 10 54 27 W 20 31 2 1 W25 8931 W 25 197421 E 02/26-15 58 10 53 28 W 17 1 7653 W 25 166752 E 02/26-16 58 10 51 29 W 15 1 6374 W 24 136083 V 02/26-17 69 10 46 34 W 13 13 3 1 W26 5096 W 24 105415 V 02/26-18 69 10 43 39 W 12 1 3658 W 23 74996 G 02/26-19 69 10 39 45 W 12 1 2221 W 22 44576 F 02/26-20 69 10 35 52 SW 12 12 2 1 W24 783 W 21 14157 P 02/26-21 69 10 32 59 SW 10 1 590 W 16 9934 P 02/26-22 69 10 30 65 SW 8 1 397 SW 13 5711 P 02/26-23 69 0 28 68 SW 7 7 2 1 W23 203 SW 8 1487 P 02/27-00 69 0 26 73 SW 6 1 200 SW 8 1380 P 02/27-01 69 0 25 73 SW 5 1 196 SW 7 1273 P 02/27-02 69 0 24 74 SW 5 5 2 1 W32 193 SW 7 1165 P 02/27-03 69 0 23 74 SW 5 1 185 SW 8 1311 P 02/27-04 69 0 23 71 SW 6 1 178 W 9 1456 P 02/27-05 57 0 24 68 W 7 7 2 1 W30 170 W 10 1602 P 02/27-06 57 0 24 65 W 8 1 326 W 13 4387 P 02/27-07 57 0 26 60 W 9 1 483 W 16 7172 P 02/27-08 57 0 30 49 W 10 10 2 1 W33 639 W 18 9957 P 02/27-09 57 0 35 40 W 13 1 2548 W 21 56069 F 02/27-10 57 0 40 33 W 15 1 4456 W 24 102181 V 02/27-11 57 10 44 27 W 17 28 2 1 W39 6365 W 26 148293 V 02/27-12 57 10 47 25 W 20 1 7603 W 29 190749 E 02/27-13 57 10 49 23 W 21 1 8840 W 30 233205 E 02/27-14 57 10 50 22 W 22 35 2 1 W39 10078 W 31 275661 E 02/27-15 57 10 50 22 W 22 1 8574 W 32 236110 E 02/27-16 57 10 48 24 W 21 1 7070 W 32 196558 E 02/27-17 77 10 44 28 W 20 31 2 1 W44 5566 W 32 157007 E 02/27-18 77 10 41 31 W 18 1 4597 W 31 127542 V 02/27-19 77 10 37 36 W 17 1 3629 W 31 98076 G 02/27-20 77 10 33 41 W 16 25 2 1 W39 2660 W 30 68611 G 02/27-21 77 10 30 45 W 16 1 1963 W 29 49939 F 02/27-22 77 10 28 49 W 16 1 1266 W 26 31267 P 02/27-23 77 10 27 52 W 15 24 2 1 W46 568 W 25 12596 P 02/28-00 77 10 25 55 W 13 1 911 W 25 20394 P 02/28-01 77 10 24 56 W 12 1 1253 W 25 28193 P 02/28-02 77 10 23 57 W 9 9 2 1 NW59 1595 W 26 35991 P 02/28-03 77 10 22 58 W 8 1 1493 W 23 29949 P 02/28-04 77 10 22 58 W 7 1 1391 NW 20 23906 P 02/28-05 64 0 22 57 W 7 7 3 1 NW37 1288 NW 16 17864 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...KRIS HEINY REASON FOR REQUEST...PRESCRIBED .TAG 20090225.TRUMB.01/BOU