FNUS75 KBOU 191122 FWSBOU SPOT FORECAST FOR SUGARLOAF 121...USFS NATIONAL WEATHER SERVICE DENVER CO 409 AM MST FRI FEB 19 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A MOIST WESTERLY FLOW ALOFT WILL REMAIN OVER THE REGION. A SLIGHT CHANCE OF SNOW WILL CONTINUE THROUGH TODAY...WITH A BETTER CHANCE TONIGHT. SNOW WILL RETURN BY SATURDAY AFTERNOON AND CONTINUE INTO SATURDAY NIGHT...WHEN SOME ACCUMULATIONS WILL BE LIKELY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....25-30. MIN HUMIDITY........65-70%. WIND (20 FT)........WEST 4-8 MPH UNTIL 0900...THEN SOUTHEAST AROUND 4 MPH UNTIL 1200...THEN EAST 5-6 MPH UNTIL 1500...THEN NORTHWEST 4-8 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......3200-4200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 2300...THEN CHANCE OF SNOW. MIN TEMPERATURE.....11-14. MAX HUMIDITY........95-100%. WIND (20 FT)........SOUTHWEST 5-9 MPH. TRANSPORT WINDS.....SOUTHWEST 4-8 MPH. MIXING HEIGHT.......400-1400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1100...THEN SNOW LIKELY. SNOW ACCUMULATIONS OF 2 TO 4 INCHES. MAX TEMPERATURE.....23-28. MIN HUMIDITY........85-90%. WIND (20 FT)........SOUTHWEST UP TO 4 MPH UNTIL 0900...THEN EAST 6-10 MPH. TRANSPORT WINDS.....SOUTH 4-12 MPH. MIXING HEIGHT.......2000-3000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...SNOW UNTIL 0600...THEN CHANCE OF SNOW. LOWS AROUND 12. HIGHS IN THE LOWER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600...THEN SLIGHT CHANCE OF SNOW UNTIL 1800. LOWS AROUND 13. HIGHS IN THE LOWER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SUGARLOAF 121. +++ 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 02/19-04 98 15 15 99 SW 3 1 1475 W 9 11418 P 02/19-05 90 20 16 67 W 5 5 2 1 W25 1113 SW 6 5821 P 02/19-06 90 20 16 70 W 6 1 1257 SW 6 6537 P 02/19-07 90 20 16 73 W 6 1 1400 SW 6 7254 P 02/19-08 96 20 18 72 W 5 5 3 1 W32 1543 SW 6 7970 P 02/19-09 96 20 19 70 SW 3 1 2306 SW 7 13859 P 02/19-10 96 20 21 68 SE 2 1 3068 SW 7 19747 P 02/19-11 96 20 22 66 CALM 1 3 1 W39 3831 SW 8 25635 P 02/19-12 96 20 23 64 E 2 1 4293 SW 9 33032 P 02/19-13 96 20 24 62 E 3 1 4755 SW 9 40429 F 02/19-14 96 20 25 62 E 6 6 3 1 W41 5217 SW 10 47826 F 02/19-15 96 20 24 62 NE 6 1 4349 W 10 38347 P 02/19-16 96 20 23 65 NW 5 1 3481 W 9 28867 P 02/19-17 95 25 21 71 W 5 5 3 1 W44 2613 W 8 19388 P 02/19-18 95 25 19 76 W 3 1 1910 W 7 13619 P 02/19-19 95 25 18 82 W 3 1 1206 W 6 7850 P 02/19-20 95 25 16 87 W 3 3 3 1 W49 503 W 5 2082 P 02/19-21 95 25 15 92 W 2 1 430 W 5 1711 P 02/19-22 95 25 14 97 SW 2 1 356 W 5 1341 P 02/19-23 97 40 13 99 SW 3 3 3 1 W55 283 SW 3 971 P 02/20-00 97 40 12 100 SW 3 1 265 SW 5 954 P 02/20-01 97 40 12 100 SW 3 1 246 SW 5 938 P 02/20-02 97 40 11 100 SW 5 5 3 1 W52 228 SW 5 921 P 02/20-03 97 40 11 100 SW 6 1 228 SW 5 916 P 02/20-04 97 40 11 100 W 7 1 228 SW 5 911 P 02/20-05 95 52 11 96 W 6 6 2 1 W60 163 W 7 961 P 02/20-06 95 52 10 100 W 2 1 181 SW 6 850 P 02/20-07 95 52 11 100 SW 2 1 199 SW 5 739 P 02/20-08 95 52 13 98 S 2 2 2 1 W51 217 SW 3 628 P 02/20-09 95 52 17 91 S 3 1 883 S 5 4029 P 02/20-10 95 52 20 89 SE 6 1 1548 S 5 7431 P 02/20-11 95 70 22 90 SE 7 7 2 1 SW44 2214 S 6 10832 P 02/20-12 95 70 23 90 SE 8 1 2541 S 7 15825 P 02/20-13 95 70 23 91 E 8 1 2869 S 8 20818 P 02/20-14 95 70 23 90 E 8 8 2 1 W41 3197 S 9 25811 P 02/20-15 95 70 23 90 E 7 1 2868 S 8 21446 P 02/20-16 95 70 23 88 E 6 1 2539 S 8 17082 P 02/20-17 99 88 21 92 E 5 5 3 1 W39 2209 SW 7 12718 P 02/20-18 99 88 18 97 E 5 1 1837 S 6 9241 P 02/20-19 99 88 17 97 E 5 1 1465 S 3 5764 P 02/20-20 99 88 16 96 E 6 6 3 1 W32 1093 S 2 2288 P 02/20-21 99 88 16 94 E 6 1 1229 S 3 3219 P 02/20-22 99 88 16 94 E 7 1 1366 S 3 4151 P 02/20-23 99 88 15 96 E 7 7 3 1 W30 1503 S 3 5083 P 02/21-00 99 88 15 96 E 7 1 1487 S 5 5463 P 02/21-01 99 88 14 96 E 7 1 1472 S 5 5844 P 02/21-02 99 88 14 96 NE 7 7 3 1 SW33 1456 S 5 6225 P 02/21-03 99 88 13 95 E 7 1 1583 S 6 7351 P 02/21-04 99 88 13 93 E 8 1 1710 S 6 8476 P 02/21-05 94 45 12 92 E 8 8 3 1 SW29 1836 S 6 9602 P 02/21-06 94 45 12 96 E 8 1 2120 S 6 10815 P 02/21-07 94 45 12 99 NE 7 1 2403 W 6 12027 P 02/21-08 94 45 14 94 NE 7 7 2 1 W30 2687 W 6 13240 P 02/21-09 94 45 18 88 E 7 1 3242 W 9 29809 P 02/21-10 94 45 20 86 E 6 1 3796 W 13 46378 F 02/21-11 94 45 21 86 E 6 6 3 1 W37 4351 W 16 62947 G 02/21-12 94 45 22 84 E 5 1 4519 W 20 79800 G 02/21-13 94 45 22 83 E 3 1 4688 W 23 96653 G 02/21-14 94 45 23 79 E 2 2 3 1 W47 4856 W 26 113506 V 02/21-15 94 45 22 77 E 2 1 4541 W 25 99957 G 02/21-16 94 45 22 74 E 3 1 4225 W 23 86408 G 02/21-17 87 36 20 77 E 3 3 3 1 W41 3910 W 22 72858 G 02/21-18 87 36 18 84 E 3 1 3397 W 17 53875 F 02/21-19 87 36 17 86 E 3 1 2885 W 13 34892 P 02/21-20 87 36 16 88 E 3 3 3 1 W40 2372 W 8 15908 P 02/21-21 87 36 16 87 E 3 1 2345 SW 8 16015 P 02/21-22 87 36 16 87 E 2 1 2318 SW 8 16122 P 02/21-23 87 36 16 87 E 2 2 3 1 W46 2290 SW 8 16228 P 02/22-00 87 36 15 87 E 2 1 1991 SW 9 15564 P 02/22-01 87 36 15 85 CALM 1 1692 W 10 14899 P 02/22-02 87 36 14 85 CALM 1 3 1 W49 1393 W 12 14234 P 02/22-03 87 36 14 86 NE 2 1 1197 W 14 13409 P 02/22-04 87 36 13 86 NW 2 1 1000 W 15 12584 P 02/22-05 49 20 13 85 W 3 3 3 W46 804 W 17 11758 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...CHAD BUSER REASON FOR REQUEST...PRESCRIBED .TAG 20100219.SUGAR.01/BOU