FNUS75 KBOU 021520 FWSBOU SPOT FORECAST FOR SHADED FUELS BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 809 AM MST MON FEB 2 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRONG AND RELATIVELY DRY NORTHWESTERLY FLOW ALOFT WILL BE OVER THE REGION TODAY. SOME HIGH LEVEL MOISTURE MAY INCREASE FROM THE NORTH TONIGHT AS A WEAK DISTURBANCE BRUSHES ACROSS THE STATE. IT WILL REMAIN DRY HOWEVER WITH WARMER CONDITIONS EXPECTED ON TUESDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE WEST. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....46-48. MIN HUMIDITY........6-11%. 20-FOOT WINDS.......WEST/NORTHWEST 13-20 MPH. TRANSPORT WINDS.....NORTHWEST 25-36 MPH. MIXING HEIGHT.......2200-3200 FT AGL UNTIL 1100...THEN 4000-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1400...THEN EXCELLENT UNTIL 1500...THEN VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MIN TEMPERATURE.....26-31. MAX HUMIDITY........29-34%. 20-FOOT WINDS.......WEST 8-14 MPH. TRANSPORT WINDS.....NORTHWEST 28-32 MPH UNTIL 2400...THEN 13-24 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 2100...THEN 400-1200 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....53. MIN HUMIDITY........6-11%. 20-FOOT WINDS.......NORTHWEST 6-12 MPH UNTIL 1500...THEN NORTHEAST 5-6 MPH. TRANSPORT WINDS.....NORTHWEST 16-24 MPH. MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1000. 6800-7800 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1400...THEN EXCELLENT UNTIL 1500...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE MID 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SHADED FUELS BREAK. +++ 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 02/02-08 38 0 28 30 W 17 28 3 1 NW39 1536 NW 30 39327 P 02/02-09 38 0 32 25 W 16 1 2646 NW 26 54203 F 02/02-10 38 0 36 22 W 15 1 3756 NW 23 69080 G 02/02-11 27 0 40 19 NW 15 24 2 1 NW46 4867 NW 20 83957 G 02/02-12 27 0 43 18 NW 16 1 5212 NW 24 113155 V 02/02-13 27 0 45 17 W 17 1 5558 NW 29 142353 V 02/02-14 50 0 46 17 W 18 30 2 1 NW43 5903 NW 33 171551 E 02/02-15 50 0 45 18 W 18 1 5094 NW 35 149930 V 02/02-16 50 0 43 20 W 17 1 4284 NW 35 128308 V 02/02-17 37 0 39 32 W 16 25 2 1 N47 3475 NW 36 106686 V 02/02-18 37 0 36 35 W 13 1 2829 NW 33 84462 G 02/02-19 37 0 34 39 W 12 1 2183 NW 32 62237 G 02/02-20 50 0 32 42 W 10 10 2 1 N33 1537 NW 30 40012 F 02/02-21 50 0 29 45 W 10 1 1291 NW 29 33138 P 02/02-22 50 0 27 48 W 10 1 1045 NW 29 26265 P 02/02-23 15 0 26 51 W 10 10 2 1 NW30 799 NW 28 19391 P 02/03-00 15 0 25 53 W 10 1 691 NW 24 15095 P 02/03-01 15 0 24 55 W 10 1 584 NW 20 10799 P 02/03-02 15 0 23 56 W 12 12 2 1 NW35 476 NW 16 6503 P 02/03-03 15 0 22 57 W 12 1 420 NW 14 5372 P 02/03-04 15 0 22 57 W 12 1 363 W 13 4241 P 02/03-05 23 0 22 56 W 9 9 2 1 N49 307 W 12 3109 P 02/03-06 23 0 22 74 W 10 1 518 NW 16 8888 P 02/03-07 23 0 24 67 W 10 1 729 NW 21 14669 P 02/03-08 23 0 29 53 W 10 10 2 1 N41 941 NW 25 20451 P 02/03-09 23 0 30 41 W 10 1 2432 NW 24 48563 F 02/03-10 23 0 36 33 NW 9 1 3922 N 23 76675 G 02/03-11 23 0 42 27 N 8 8 2 1 N35 5413 N 22 104787 V 02/03-12 23 0 46 23 N 7 1 6502 N 22 126638 V 02/03-13 23 0 50 21 N 7 1 7592 N 23 148490 V 02/03-14 23 0 51 20 N 6 6 2 1 NW31 8681 N 23 170341 E 02/03-15 23 0 50 21 N 5 1 7838 N 21 141827 V 02/03-16 23 0 48 23 NE 2 1 6996 N 18 113313 V 02/03-17 18 0 43 28 E 2 2 2 1 N44 6153 N 16 84799 G 02/03-18 18 0 39 32 SE 3 1 4729 N 12 58950 F 02/03-19 18 0 36 37 SW 6 1 3305 NW 8 33101 P 02/03-20 18 0 33 41 W 8 8 2 1 N45 1881 W 5 7252 P 02/03-21 18 0 30 45 W 9 1 1318 W 6 5369 P 02/03-22 18 0 28 49 W 9 1 756 W 8 3486 P 02/03-23 18 0 26 53 W 9 9 3 1 N43 193 W 9 1603 P 02/04-00 18 0 24 56 W 9 1 169 W 9 1421 P 02/04-01 18 0 23 58 W 9 1 145 W 10 1240 P 02/04-02 18 0 22 60 W 9 9 3 1 N37 121 W 10 1059 P 02/04-03 18 0 21 61 W 9 1 121 W 10 1066 P 02/04-04 18 0 21 61 W 10 1 121 W 10 1073 P 02/04-05 27 0 21 59 W 10 10 4 1 N36 120 W 10 1081 P 02/04-06 27 0 21 58 W 12 1 146 W 10 1286 P 02/04-07 27 0 23 53 W 12 1 172 W 10 1492 P 02/04-08 27 0 28 43 W 12 12 4 1 N33 198 W 10 1698 P 02/04-09 27 0 34 33 W 10 1 1178 W 10 12093 P 02/04-10 27 0 40 27 W 8 1 2157 NW 12 22487 P 02/04-11 27 0 45 22 W 7 7 5 1 N26 3137 NW 12 32882 P 02/04-12 27 0 49 19 W 6 1 4077 NW 13 46414 F 02/04-13 27 0 53 17 W 6 1 5016 NW 14 59946 F 02/04-14 27 0 54 16 W 6 6 5 1 NW23 5956 NW 14 73479 G 02/04-15 27 0 53 16 W 6 1 4636 NW 13 54129 F 02/04-16 27 0 50 18 W 6 1 3316 NW 10 34779 P 02/04-17 25 0 45 22 W 6 6 5 1 NW22 1997 W 9 15429 P 02/04-18 25 0 41 26 W 7 1 1391 W 9 10833 P 02/04-19 25 0 38 29 W 9 1 786 W 10 6237 P 02/04-20 25 0 35 32 W 12 12 5 1 NW20 181 W 10 1641 P 02/04-21 25 0 32 35 W 13 1 155 W 12 1476 P 02/04-22 25 0 30 37 W 13 1 129 W 12 1312 P 02/04-23 25 0 28 39 W 13 13 5 1 W22 103 W 13 1148 P 02/05-00 25 0 26 42 W 13 1 95 W 13 1081 P 02/05-01 25 0 25 44 W 13 1 88 W 14 1014 P 02/05-02 25 0 24 46 W 13 13 5 1 W25 81 W 14 947 P 02/05-03 25 0 23 47 W 13 1 80 W 13 919 P 02/05-04 25 0 23 47 W 13 1 79 W 13 892 P 02/05-05 35 0 23 47 W 13 13 5 1 W32 79 W 13 864 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 20090202.SHADE.01/BOU