FNUS75 KBOU 010603 FWSBOU SPOT FORECAST FOR UPPER CO RIVER...NPS NATIONAL WEATHER SERVICE DENVER CO 1055 PM MST WED NOV 30 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DEEP UPPER LEVEL STORM SYSTEM WILL DROP INTO THE DESERT SOUTHWEST AND STALL THURSDAY INTO THURSDAY NIGHT. THIS WILL ALLOW SNOW TO DECREASE THURSDAY AFTERNOON. HOWEVER...STRONG GUSTY EAST/NORTHEAST WINDS MAY OCCUR AT THE BURN SITE WITH STRONG DOWNSLOPE FLOW DEVELOPING OFF THE FRONT RANGE MOUNTAINS. TEMPERATURES WILL BE COLDER WITH HIGHER HUMIDITY READINGS. WINDS ARE EXPECTED TO DECREASE QUICKLY THURSDAY EVENING AS HIGH PRESSURE BUILDS OVER THE STATE. THE NEXT CHANCE OF SNOW WILL OCCUR FRIDAY NIGHT INTO SATURDAY AS THE UPPER LOW OVER THE DESERT SOUTHWEST KICKS NORTHEAST AS YET ANOTHER DISTURBANCES MOVES SOUTHWARD ACROSS THE GREAT BASIN. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 2300...THEN SNOW. AREAS OF BLOWING SNOW AFTER 2300. MIN TEMPERATURE.....10. MAX HUMIDITY........100%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2400...THEN NORTHEAST 14-20 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....EAST AROUND 4 MPH UNTIL 2400...THEN NORTHEAST 12-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........CLOUDY. SNOW AND AREAS OF BLOWING SNOW UNTIL 1700...THEN CHANCE OF SNOW. MAX TEMPERATURE.....19. MIN HUMIDITY........67%. 20-FOOT WINDS.......BREEZY. EAST/NORTHEAST WINDS 17-27 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....EAST 25-36 MPH. MIXING HEIGHT.......2200-3200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1600...THEN FAIR. HAINES INDEX........2 VERY LOW. .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2400...THEN PARTLY CLOUDY. CHANCE OF SNOW UNTIL 2300. MIN TEMPERATURE.....-3. MAX HUMIDITY........100%. 20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHEAST 8-16 MPH. MIXING HEIGHT.......1000-1600 FT AGL UNTIL 2100...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN MOSTLY CLOUDY(50-60%). CHANCE OF SNOW AFTER 1700. MAX TEMPERATURE.....28. MIN HUMIDITY........50%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN NORTHWEST 5-6 MPH. TRANSPORT WINDS.....WEST 4-12 MPH UNTIL 1200...THEN 16-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 4400-5400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. GOOD AFTER 1400. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. LOWS AROUND 2. HIGHS AROUND 19. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200...THEN CHANCE OF SNOW. LOWS AROUND 3 BELOW. HIGHS IN THE LOWER 20S. WEST WINDS AROUND 9 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 2. HIGHS IN THE LOWER 20S. WEST WINDS AROUND 9 MPH. .TUESDAY...PARTLY CLOUDY. NOT AS COLD. LOWS AROUND 9. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 9 MPH. FIRE WEATHER TABLE FOR UPPER CO RIVER. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT 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 11/30-22 97 49 25 17 78 CALM 1 2 1 SW43 462 E 3 1308 P 11/30-23 97 90 84 17 81 E 2 2 2 1 SW40 324 E 5 1183 P 12/01-00 97 90 84 15 83 E 6 6 2 1 SW39 503 E 9 5350 P 12/01-01 99 90 84 14 85 NE10 15 2 1 SW38 682 NE14 9517 P 12/01-02 99 91 86 13 87 NE14 21 2 1 SW36 861 NE18 13684 P 12/01-03 99 91 86 12 90 NE16 24 2 1 SW35 831 NE21 14718 P 12/01-04 99 91 86 11 93 NE17 26 2 1 SW33 800 NE23 15752 P 12/01-05 100 91 86 11 100 NE18 28 2 1 SW32 770 NE25 16787 P 12/01-06 100 91 86 11 100 NE20 30 2 1 SW30 960 NE28 23455 P 12/01-07 100 91 86 10 100 NE21 31 2 1 SW28 1150 NE30 30123 P 12/01-08 100 91 86 10 93 NE22 33 2 1 SW28 1341 NE31 36792 P 12/01-09 100 91 86 11 84 E23 35 2 1 SW30 1910 E33 55847 F 12/01-10 100 91 86 13 77 E24 37 2 1 S32 2480 E35 74903 G 12/01-11 86 80 68 15 73 E25 38 2 1 S35 3049 E36 93959 G 12/01-12 86 80 68 16 70 E25 38 2 1 S35 3114 E33 90266 G 12/01-13 86 80 68 17 68 E24 37 2 1 SW32 3179 E31 86573 G 12/01-14 86 80 68 18 67 E23 35 2 1 SW30 3244 E30 82881 G 12/01-15 86 80 68 19 67 E21 30 2 1 S28 2842 E28 69080 G 12/01-16 86 80 68 17 69 E17 25 2 1 S24 2439 E25 55279 F 12/01-17 56 26 6 13 80 E14 21 2 1 S23 2036 E23 41479 F 12/01-18 56 26 6 10 80 E12 17 2 1 S22 1696 E21 31998 P 12/01-19 56 26 6 8 87 E 9 15 2 1 S22 1356 E17 22516 P 12/01-20 56 26 6 7 90 E 8 8 2 1 S22 1016 E15 13035 P 12/01-21 56 26 6 5 89 E 7 7 2 1 S21 865 E14 10539 P 12/01-22 56 26 6 4 86 E 6 6 2 1 S21 714 SE13 8042 P 12/01-23 27 8 2 3 85 SE 6 6 2 1 SE21 563 SE12 5546 P 12/02-00 27 8 2 2 85 SE 6 6 2 1 SE17 462 SE10 4329 P 12/02-01 27 8 2 1 90 SE 5 5 2 1 S15 361 SE 9 3112 P 12/02-02 27 8 2 0 92 SE 5 5 2 1 S14 260 SE 8 1895 P 12/02-03 27 8 2 0 92 SE 3 3 2 1 S16 220 SE 6 1351 P 12/02-04 27 8 2 -1 93 SE 3 3 3 1 S21 180 S 5 807 P 12/02-05 15 2 0 -1 94 SE 2 2 3 1 SW24 140 S 2 263 P 12/02-06 15 2 0 -1 93 E 2 2 3 1 S24 141 SW 2 243 P 12/02-07 15 2 0 -2 97 NE 2 2 3 1 S22 142 W 2 222 P 12/02-08 15 2 0 -3 100 N 2 2 3 1 S20 144 CALM 202 P 12/02-09 15 2 0 -2 100 N 2 2 3 1 S17 1243 NW 7 15912 P 12/02-10 15 2 0 4 100 W 2 2 3 1 S14 2342 W12 31623 P 12/02-11 54 6 1 16 78 W 2 2 3 1 S13 3441 W16 47333 F 12/02-12 54 6 1 24 59 W 3 3 3 1 S14 4259 W17 65864 G 12/02-13 54 6 1 28 51 W 5 5 2 1 SW16 5077 W18 84396 G 12/02-14 54 6 1 28 52 NW 6 6 2 1 SW17 5896 W20 102928 V 12/02-15 54 6 1 28 50 NW 6 6 2 1 W16 5481 W21 100085 V 12/02-16 54 6 1 27 50 NW 5 5 2 1 W14 5066 W22 97243 G 12/02-17 77 29 8 24 53 NW 5 5 2 1 W10 4651 W23 94401 G 12/02-18 77 29 8 20 62 NW 5 5 2 1 W 9 4305 W21 78888 G 12/02-19 77 29 8 17 70 W 5 5 2 1 W 8 3959 W18 63375 G 12/02-20 77 29 8 16 74 W 5 5 2 1 W 8 3613 W15 47862 F 12/02-21 77 29 8 14 80 W 3 3 2 1 W 8 3398 W13 38408 P 12/02-22 77 29 8 13 85 W 3 3 2 1 W10 3182 W10 28955 P 12/02-23 75 46 23 11 90 W 2 2 2 1 W12 2966 W 8 19502 P 12/03-00 75 46 23 11 90 W 2 2 2 1 W13 2766 NW 7 15957 P 12/03-01 75 46 23 9 93 NW 2 2 2 1 W14 2566 NW 6 12411 P 12/03-02 75 46 23 9 93 N 2 2 2 1 W15 2366 NW 5 8866 P 12/03-03 75 46 23 8 92 N 3 3 2 1 W15 2323 NW 5 9181 P 12/03-04 75 46 23 7 93 NE 3 3 2 1 W15 2280 NW 5 9497 P 12/03-05 75 41 18 7 92 NE 5 5 2 1 W15 2238 NW 5 9812 P 12/03-06 75 41 18 7 91 NE 5 5 2 1 W15 2187 N 3 7484 P 12/03-07 75 41 18 5 94 NE 5 5 2 1 W14 2136 N 2 5155 P 12/03-08 75 41 18 5 93 NE 5 5 2 1 W14 2085 CALM 2827 P 12/03-09 75 41 18 6 87 NE 5 5 2 1 W15 3051 N 2 7245 P 12/03-10 75 41 18 8 74 NE 5 5 2 1 W17 4017 NW 3 11662 P 12/03-11 70 37 15 13 57 NE 5 5 2 1 SW18 4983 NW 3 16080 P 12/03-12 70 37 15 17 48 NE 5 5 2 1 SW22 5248 W 6 25212 P 12/03-13 70 37 15 19 45 NE 5 5 2 1 SW24 5512 W 7 34345 P 12/03-14 70 37 15 19 47 NE 5 5 2 1 SW25 5776 W 9 43478 F 12/03-15 70 37 15 19 48 NE 5 5 2 1 W25 5154 W 8 36795 P 12/03-16 70 37 15 18 52 NE 3 3 2 1 W24 4532 W 8 30112 P 12/03-17 70 19 4 15 58 NE 3 3 2 1 W22 3911 W 7 23430 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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...JEFF SINGER REASON FOR REQUEST...PRESCRIBED .TAG 20111201.UPPER.01/BOU