FNUS75 KBOU 121703 FWSBOU SPOT FORECAST FOR FRISCO WUI...USFS NATIONAL WEATHER SERVICE DENVER CO 1000 AM MST TUE JAN 12 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...UPPER LEVEL RIDGE OVER COLORADO TODAY SHIFTING TO THE EAST AS A SYSTEM NOW HITTING CALIFORNIA APPROACHES. MOST OF THE ENERGY WITH THIS SYSTEM DIVES INTO THE SOUTHWEST SO MAINLY EXPECT INCREASING CLOUDINESS WITH MODEST SW WINDS ALOFT FOR WEDNESDAY...THEN A SLIGHT CHANCE OF SNOW WEDNESDAY NIGHT INTO THURSDAY. AN UPPER LEVEL RIDGE THEN BUILDS BACK OVER COLORADO OVER THE WEEKEND. MILD TODAY AND WEDNESDAY BUT SHOULD BE A SIGNIFICANT ALTHOUGH FAIRLY SHALLOW INVERSION SETTING UP TONIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....42. MIN HUMIDITY........21%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......1200-2200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MIN TEMPERATURE.....13. MAX HUMIDITY........51%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......200-400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0800...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1700. MAX TEMPERATURE.....41. MIN HUMIDITY........31%. WIND (20 FT)........SOUTHWEST 4-8 MPH UNTIL 1000...THEN SOUTHWEST 8-15 MPH. TRANSPORT WINDS.....WEST 10-20 MPH. MIXING HEIGHT.......400-1400 FT AGL UNTIL 1000...THEN 4000-5000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...CLOUDY. CHANCE OF SNOW SHOWERS. LOWS AROUND 11. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 0600. LOWS AROUND 6. HIGHS IN THE LOWER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS AROUND 8. HIGHS IN THE MID 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 01/12-09 3 0 21 37 SW 2 1 715 SW 5 3848 P 01/12-10 3 0 29 28 SW 2 1 1308 W 6 7348 P 01/12-11 6 0 35 26 W 2 2 4 1 SW22 1900 W 7 10848 P 01/12-12 6 0 38 22 W 2 1 2369 W 8 17300 P 01/12-13 6 0 39 21 W 2 1 2837 SW 9 23751 P 01/12-14 6 0 39 24 W 2 2 4 1 SW28 3306 SW 10 30202 P 01/12-15 6 0 37 24 W 2 1 2377 W 9 20982 P 01/12-16 6 0 32 29 W 2 1 1449 W 7 11762 P 01/12-17 34 0 28 38 W 3 3 4 1 SW28 520 W 6 2542 P 01/12-18 34 0 25 44 SW 3 1 427 W 6 2055 P 01/12-19 34 0 22 49 SW 3 1 333 SW 6 1567 P 01/12-20 34 0 21 51 S 5 5 4 1 SW30 240 SW 6 1080 P 01/12-21 34 0 21 50 S 5 1 269 SW 6 1483 P 01/12-22 34 0 22 46 S 5 1 297 SW 7 1886 P 01/12-23 49 0 22 43 S 5 5 4 1 SW30 326 SW 8 2288 P 01/13-00 49 0 22 40 S 5 1 295 SW 8 2056 P 01/13-01 49 0 21 37 SW 5 1 265 SW 8 1824 P 01/13-02 49 0 21 35 SW 6 6 3 1 SW32 235 SW 8 1591 P 01/13-03 49 0 20 36 SW 6 1 226 SW 8 1594 P 01/13-04 49 0 20 38 SW 6 1 217 SW 8 1598 P 01/13-05 58 0 19 39 SW 6 6 2 1 W35 209 SW 9 1601 P 01/13-06 58 0 19 43 SW 7 1 218 SW 9 1754 P 01/13-07 58 0 18 47 SW 8 1 227 W 9 1906 P 01/13-08 65 0 20 48 W 8 8 2 1 W38 236 W 10 2058 P 01/13-09 65 0 23 43 W 9 1 1691 W 14 30539 P 01/13-10 65 0 29 36 W 9 1 3146 W 18 59019 F 01/13-11 70 0 33 32 W 9 9 2 1 W36 4601 W 22 87500 G 01/13-12 70 0 36 31 W 9 1 4773 W 21 87669 G 01/13-13 70 0 37 32 W 8 1 4945 W 21 87838 G 01/13-14 78 0 37 33 W 7 7 2 1 W35 5117 W 20 88008 G 01/13-15 78 0 35 38 W 7 1 4755 W 18 75213 G 01/13-16 78 0 32 45 W 6 1 4392 W 16 62419 G 01/13-17 83 20 28 54 W 5 5 2 1 W25 4030 W 14 49625 F 01/13-18 83 20 25 61 W 3 1 2787 W 10 33431 P 01/13-19 83 20 22 69 SW 3 1 1545 SW 7 17236 P 01/13-20 85 20 20 73 SW 3 3 2 1 SW15 303 SW 3 1042 P 01/13-21 85 20 19 74 S 2 1 300 SW 3 875 P 01/13-22 85 20 19 72 S 2 1 296 S 2 708 P 01/13-23 87 30 19 71 S 2 2 2 1 S18 293 S 2 541 P 01/14-00 87 30 19 70 S 2 1 297 S 2 610 P 01/14-01 87 30 18 69 S 2 1 300 S 2 679 P 01/14-02 87 30 18 69 S 2 2 2 1 S18 304 S 2 749 P 01/14-03 87 30 17 70 S 3 1 294 S 2 694 P 01/14-04 87 30 16 72 S 3 1 284 S 2 639 P 01/14-05 91 40 16 75 S 3 3 2 1 S14 275 S 2 585 P 01/14-06 91 40 18 67 S 3 1 400 SE 2 915 P 01/14-07 91 40 17 70 SE 3 1 525 E 2 1246 P 01/14-08 91 40 18 70 E 5 5 2 1 SE 8 650 E 2 1576 P 01/14-09 91 40 21 63 E 5 1 1923 E 5 11480 P 01/14-10 91 40 25 53 NE 5 1 3196 E 6 21384 P 01/14-11 91 40 29 48 NE 5 5 2 1 SE15 4468 SE 8 31288 P 01/14-12 91 40 30 47 N 5 1 4554 SE 8 31470 P 01/14-13 91 40 31 49 N 5 1 4640 SE 8 31652 P 01/14-14 91 40 31 53 N 5 5 2 1 S13 4725 SE 8 31834 P 01/14-15 91 40 29 60 N 3 1 3778 E 6 22754 P 01/14-16 91 40 26 73 NW 3 1 2830 E 5 13675 P 01/14-17 78 30 22 87 NW 3 3 2 1 E 7 1883 E 2 4595 P 01/14-18 78 30 19 99 NW 3 1 1387 NE 2 3358 P 01/14-19 78 30 16 100 NW 3 1 891 NE 2 2121 P 01/14-20 78 30 14 100 N 3 3 2 1 NE 8 395 N 2 884 P 01/14-21 78 30 13 100 N 3 1 392 N 2 900 P 01/14-22 78 30 13 100 N 3 1 389 NE 2 915 P 01/14-23 78 30 13 100 N 3 3 2 1 NE10 387 NE 2 931 P 01/15-00 78 30 13 97 N 3 1 356 NE 2 840 P 01/15-01 78 30 12 94 N 3 1 326 NE 2 749 P 01/15-02 78 30 11 92 N 2 2 2 1 NE10 295 NE 2 658 P 01/15-03 78 30 11 91 N 2 1 264 NE 2 603 P 01/15-04 78 30 10 92 NE 2 1 233 NE 2 548 P 01/15-05 43 0 9 94 NE 2 2 2 1 NE12 202 NE 2 493 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...NICK COLLARD REASON FOR REQUEST...PRESCRIBED .TAG 20100113.FRISC.01/BOU