FNUS75 KBOU 210302 FWSBOU SPOT FORECAST FOR FRISCO WUI...USFS NATIONAL WEATHER SERVICE DENVER CO 802 PM MST WED JAN 20 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK UPPER RIDGE OVER THE STATE OVERNIGHT WILL BE QUICKLY PUSHED EAST BY A DISTURBANCE ROUNDING A LARGER UPPER TROUGH OFF THE WEST COAST. RESIDUAL MOISTURE FROM TODAYS EARLIER TROUGH WILL KEEP A SLIGHT CHANCE OF SNOW SHOWERS THROUGH THE NIGHT...THOUGH ONLY A FEW FLURRIES WILL MOST LIKELY BE SEEN. SOUTHWEST FLOW ALOFT WILL CONTINUE OVER THE STATE THROUGH FRIDAY AS THE LARGE TROUGH MOVES EAST TOWARD THE STATE. MOISTURE WILL CONTINUE STREAMING ACROSS THE STATE BUT THE DIRECTION IS NOT FAVORABLE FOR TOO MUCH SNOW ACCUMULATION. AS THE LARGE TROUGH APPROACHES...SMOKE DISPERSION WILL IMPROVE EACH DAY AS LIFT INCREASES AND WINDS ALOFT INCREASE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 2300...THEN SLIGHT CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....9. MAX HUMIDITY........96%. WIND (20 FT)........WEST 8-10 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 16-24 MPH UNTIL 2400...THEN SOUTHWEST 8-12 MPH. MIXING HEIGHT.......2800-3600 FT AGL UNTIL 2000...THEN 800-1800 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1100...THEN SNOW LIKELY UNTIL 1700...THEN CHANCE OF SNOW. MAX TEMPERATURE.....33. MIN HUMIDITY........44%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTHWEST 9-20 MPH UNTIL 1200...THEN 20-24 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...THEN 4000-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1100. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW. MIN TEMPERATURE.....11. MAX HUMIDITY........100%. WIND (20 FT)........SOUTH 8-13 MPH. TRANSPORT WINDS.....SOUTH 9-20 MPH. MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000...THEN 200-800 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1100...THEN SNOW SHOWERS LIKELY UNTIL 1700...THEN CHANCE OF SNOW. MAX TEMPERATURE.....34. MIN HUMIDITY........53%. WIND (20 FT)........SOUTHWEST 9-15 MPH. TRANSPORT WINDS.....SOUTHWEST 17-28 MPH. MIXING HEIGHT.......4200-5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1300...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...CLOUDY. CHANCE OF SNOW. LOWS AROUND 10. HIGHS IN THE MID 20S. WEST WINDS AROUND 10 MPH. .SUNDAY...CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 6. HIGHS IN THE LOWER 20S. NORTHWEST WINDS AROUND 11 MPH. .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 6. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 0600. LOWS AROUND 9. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR FRISCO WUI. +++ 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 01/20-20 75 37 13 84 W 7 7 2 1 NW21 2090 W 23 40883 F 01/20-21 75 37 13 87 W 6 1 1734 W 20 31650 P 01/20-22 75 37 12 88 SW 5 1 1378 W 17 22416 P 01/20-23 61 10 11 90 SW 5 5 2 1 W30 1021 W 15 13183 P 01/21-00 61 10 11 93 SW 5 1 869 W 13 10337 P 01/21-01 61 10 10 95 SW 5 1 717 W 12 7492 P 01/21-02 61 10 10 96 SW 5 5 2 1 W29 565 SW 9 4646 P 01/21-03 61 10 10 94 SW 5 1 564 SW 9 4573 P 01/21-04 61 10 11 91 SW 5 1 563 SW 9 4500 P 01/21-05 71 30 11 88 S 5 5 2 1 SW23 562 SW 9 4427 P 01/21-06 71 30 11 88 S 5 1 578 SW 9 4555 P 01/21-07 71 30 11 89 S 5 1 594 SW 9 4683 P 01/21-08 71 30 12 86 S 5 5 2 1 SW32 610 SW 9 4811 P 01/21-09 71 30 18 70 S 5 1 2042 SW 13 33553 P 01/21-10 71 30 27 52 S 5 1 3474 SW 17 62295 G 01/21-11 97 60 32 45 S 5 5 2 1 SW29 4907 SW 22 91037 G 01/21-12 97 60 33 44 S 5 1 4932 SW 21 90438 G 01/21-13 97 60 32 45 S 6 1 4958 SW 21 89839 G 01/21-14 97 60 32 47 S 6 6 2 1 SW46 4983 SW 21 89239 G 01/21-15 97 60 31 50 S 6 1 4760 SW 22 88179 G 01/21-16 97 60 29 54 SW 6 1 4536 SW 22 87119 G 01/21-17 100 31 27 59 SW 6 6 2 1 SW35 4312 SW 23 86059 G 01/21-18 100 31 24 71 SW 12 1 3054 SW 20 57773 F 01/21-19 100 31 22 82 SW 9 1 1959 SW 15 33155 P 01/21-20 100 31 20 90 SW 8 8 2 1 SW39 864 SW 12 8537 P 01/21-21 100 31 18 95 SW 8 1 701 S 10 6662 P 01/21-22 100 31 17 97 S 7 1 539 S 9 4788 P 01/21-23 100 47 16 98 S 7 7 2 1 S37 376 S 9 2914 P 01/22-00 100 47 14 100 S 7 1 309 S 10 2665 P 01/22-01 100 47 14 100 S 7 1 241 S 13 2415 P 01/22-02 100 47 13 100 S 8 8 2 1 S35 174 S 14 2166 P 01/22-03 100 47 13 100 S 9 1 179 S 15 2260 P 01/22-04 100 47 12 100 S 10 1 183 S 15 2354 P 01/22-05 100 47 12 100 S 10 16 2 1 SW28 187 S 15 2449 P 01/22-06 100 47 13 100 S 10 1 222 S 16 3121 P 01/22-07 100 47 14 100 S 12 1 257 S 17 3794 P 01/22-08 100 47 17 96 SW 12 17 2 1 S25 292 SW 17 4466 P 01/22-09 100 47 21 86 SW 12 1 1232 SW 22 29516 P 01/22-10 100 47 24 80 S 13 1 2173 S 25 54566 F 01/22-11 91 59 28 73 S 13 20 2 1 S35 3113 S 30 79616 G 01/22-12 91 59 30 65 S 13 1 3885 S 30 99662 G 01/22-13 91 59 32 57 S 13 1 4656 SW 30 119708 V 01/22-14 91 59 33 53 SW 12 17 2 1 S44 5428 SW 30 139754 V 01/22-15 91 59 33 53 SW 10 1 5332 SW 26 121750 V 01/22-16 91 59 31 55 SW 9 1 5236 SW 23 103747 V 01/22-17 97 51 27 63 SW 8 8 2 1 S32 5141 SW 20 85743 G 01/22-18 97 51 25 68 SW 8 1 4922 SW 21 88885 G 01/22-19 97 51 22 74 W 8 1 4703 W 23 92027 G 01/22-20 97 51 21 77 W 8 8 2 1 SW18 4484 W 24 95169 G 01/22-21 97 51 19 80 W 8 1 3312 W 22 68225 G 01/22-22 97 51 17 81 W 8 1 2139 W 20 41281 F 01/22-23 93 32 16 82 W 9 9 2 1 W26 966 W 17 14337 P 01/23-00 93 32 15 84 W 9 1 835 W 17 12559 P 01/23-01 93 32 14 85 W 10 1 704 W 17 10782 P 01/23-02 93 32 13 87 W 12 17 2 1 NW35 573 W 18 9004 P 01/23-03 93 32 13 89 W 12 1 584 W 18 9291 P 01/23-04 93 32 12 92 W 9 1 594 W 18 9579 P 01/23-05 100 47 12 92 W 9 9 2 1 NW37 604 W 18 9866 P 01/23-06 100 47 13 88 W 9 1 1138 W 22 24855 P 01/23-07 100 47 13 83 W 12 1 1673 W 25 39845 P 01/23-08 100 47 15 73 W 12 17 2 1 NW37 2207 W 29 54834 F 01/23-09 100 47 17 66 W 9 1 3011 W 31 85233 G 01/23-10 100 47 20 62 W 10 1 3816 NW 33 115631 V 01/23-11 100 47 22 58 W 10 16 2 1 NW32 4621 NW 37 146030 V 01/23-12 100 47 24 54 W 10 1 4671 NW 37 150742 E 01/23-13 100 47 25 51 W 12 1 4722 NW 38 155454 E 01/23-14 100 47 25 50 W 12 17 2 1 NW40 4773 NW 39 160166 E 01/23-15 100 47 25 50 NW 12 1 4702 NW 39 159075 E 01/23-16 100 47 24 51 NW 12 1 4630 NW 39 157984 E 01/23-17 96 33 20 56 NW 12 17 2 1 NW52 4559 NW 39 156893 E 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...NICK COLLARD REASON FOR REQUEST...PRESCRIBED .TAG 20100121.FRISC.01/BOU