FNUS75 KBOU 221748 FWSBOU SPOT FORECAST FOR PBFB 1...USFS NATIONAL WEATHER SERVICE DENVER CO 1044 AM MST MON FEB 22 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE STORM SYSTEM RESPONSIBLE FOR SNOW OVER THE LAST FEW DAYS HAS FINALLY MOVED SOUTH OF THE AREA. THIS HAS ALLOWED SKIES TO CLEAR. HOWEVER...THE AIRMASS WILL REMAIN SOMEWHAT STABLE TODAY AND LIGHT TRANSPORT WINDS WILL KEEP SMOKE DISPERSION IN THE POOR CATEGORY. TEMPERATURES ARE EXPECTED TO WARM MORE FOR TUESDAY...WITH A PERIOD OF GOOD SMOKE DISPERSION TUESDAY AFTERNOON. THE NEXT CHANCE OF SNOW WILL BE ON THURSDAY WHEN ANOTHER DISTURBANCE MOVES ACROSS COLORADO. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....17. MIN HUMIDITY........70%. WIND (20 FT)........EAST 4-8 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......2800-3800 FT AGL UNTIL 1700...THEN 800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....2. MAX HUMIDITY........94%. WIND (20 FT)........NORTHWEST 4-7 MPH UNTIL 2100...THEN WEST 8-15 MPH. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......200-600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....29. MIN HUMIDITY........34%. WIND (20 FT)........WEST 6-12 MPH. TRANSPORT WINDS.....NORTHWEST 12-16 MPH UNTIL 1200...THEN 20-28 MPH. MIXING HEIGHT.......2600-3600 FT AGL UNTIL 1400...THEN 3600-4600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1300...THEN GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...PARTLY CLOUDY. LOWS AROUND 12. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 14 MPH WITH GUSTS TO AROUND 30 MPH. .THURSDAY...CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600...THEN CHANCE OF SNOW. LOWS AROUND 15. HIGHS AROUND 30. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600. LOWS AROUND 18. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR PBFB 1. +++ 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 02/22-10 39 2 13 73 SE 2 1 3159 NW 7 24597 P 02/22-11 39 0 15 70 SE 2 2 2 1 W22 4574 NW 9 36708 P 02/22-12 42 0 16 70 E 3 1 4550 NW 9 37598 P 02/22-13 42 0 16 72 E 3 1 4526 NW 10 38488 P 02/22-14 37 0 16 75 E 5 5 2 1 NW16 4503 NW 10 39378 P 02/22-15 37 0 16 72 E 6 1 3243 NW 8 27113 P 02/22-16 37 0 15 73 E 6 1 1983 N 6 14849 P 02/22-17 34 0 11 81 E 6 6 2 1 NE26 724 N 5 2584 P 02/22-18 34 0 8 87 NE 5 1 553 NW 5 1979 P 02/22-19 32 0 7 92 NW 5 1 381 NW 5 1373 P 02/22-20 30 0 6 94 W 5 5 2 1 NE29 210 NW 5 767 P 02/22-21 30 0 5 93 W 6 1 194 W 6 911 P 02/22-22 30 0 5 92 W 8 1 177 W 7 1055 P 02/22-23 22 0 4 92 W 9 16 2 1 NE30 160 W 8 1199 P 02/23-00 22 0 3 91 W 10 1 167 W 10 1441 P 02/23-01 22 0 4 90 W 10 1 174 W 12 1682 P 02/23-02 22 0 4 87 W 12 18 2 1 N33 180 W 13 1924 P 02/23-03 22 0 4 84 W 12 1 172 W 13 1924 P 02/23-04 22 0 4 80 W 13 1 164 W 14 1923 P 02/23-05 19 0 3 84 W 13 20 2 1 N31 156 W 14 1923 P 02/23-06 19 0 3 70 W 11 1 196 W 12 1895 P 02/23-07 19 0 5 65 W 11 1 241 W 12 2314 P 02/23-08 19 0 9 57 W 10 13 3 1 N25 286 W 12 2734 P 02/23-09 19 0 13 49 W 9 1 978 NW 13 12385 P 02/23-10 19 0 17 44 W 9 1 1670 NW 14 22037 P 02/23-11 19 0 21 39 W 8 12 2 1 N33 2362 NW 15 31689 P 02/23-12 19 0 24 36 W 9 1 3305 NW 18 57140 F 02/23-13 19 0 26 34 W 9 1 4248 NW 21 82591 G 02/23-14 19 0 27 34 W 8 8 3 1 N37 5190 NW 24 108041 V 02/23-15 19 0 27 34 W 7 1 4430 NW 25 95409 G 02/23-16 19 0 26 36 W 7 1 3670 NW 26 82776 G 02/23-17 13 0 23 39 W 7 7 3 1 N41 2909 NW 28 70143 G 02/23-18 13 0 22 44 W 7 1 2237 NW 24 51460 F 02/23-19 13 0 20 50 W 8 1 1564 NW 22 32777 P 02/23-20 13 0 18 56 W 8 8 3 1 N38 891 NW 18 14094 P 02/23-21 13 0 16 59 W 9 1 729 NW 16 10711 P 02/23-22 13 0 15 60 W 10 1 567 W 14 7328 P 02/23-23 13 0 14 60 W 12 12 2 1 N41 405 W 12 3945 P 02/24-00 13 0 12 61 W 13 1 353 W 13 3654 P 02/24-01 13 0 12 60 W 14 1 301 W 13 3362 P 02/24-02 13 0 11 60 W 15 24 3 1 N39 249 W 14 3071 P 02/24-03 13 0 11 59 W 16 1 236 W 15 3051 P 02/24-04 13 0 11 58 W 17 1 224 W 16 3031 P 02/24-05 43 0 11 57 W 17 28 4 1 N36 211 W 16 3011 P 02/24-06 43 0 11 56 W 17 1 350 W 17 5200 P 02/24-07 43 0 13 53 W 16 1 490 W 17 7389 P 02/24-08 43 0 16 47 W 16 25 4 1 NW37 630 W 17 9578 P 02/24-09 43 0 20 41 W 15 1 1411 NW 20 27185 P 02/24-10 43 0 23 37 W 14 1 2193 NW 22 44791 F 02/24-11 43 0 26 34 W 14 22 4 1 N36 2974 NW 24 62397 G 02/24-12 43 0 28 33 W 14 1 3842 NW 23 73321 G 02/24-13 43 0 30 32 W 14 1 4710 NW 21 84245 G 02/24-14 43 0 31 32 W 14 22 4 1 NW30 5577 NW 20 95169 G 02/24-15 43 0 30 33 W 14 1 4731 NW 18 78559 G 02/24-16 43 0 29 34 W 13 1 3885 NW 18 61950 G 02/24-17 62 5 27 38 W 13 13 4 1 NW31 3039 NW 17 45340 F 02/24-18 62 5 26 42 W 12 1 02/24-19 62 5 24 47 W 12 1 02/24-20 62 5 22 54 W 12 12 1 02/24-21 62 5 20 60 W 13 1 02/24-22 62 5 19 65 W 13 1 02/24-23 62 12 18 68 W 14 22 1 02/25-00 62 12 17 71 W 15 1 02/25-01 62 12 17 71 W 15 1 02/25-02 62 12 16 72 W 15 24 1 02/25-03 62 12 16 75 W 15 1 02/25-04 62 12 16 78 W 14 1 02/25-05 88 42 16 80 W 14 22 1 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...CHAD BUSER REASON FOR REQUEST...PRESCRIBED .TAG 20100222.PBFB1.01/BOU