FNUS75 KBOU 010608 FWSBOU SPOT FORECAST FOR LOWER CO RIVER...NPS NATIONAL WEATHER SERVICE DENVER CO 1105 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. AREAS OF BLOWING SNOW. SNOW. MIN TEMPERATURE.....11. MAX HUMIDITY........96%. 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 13-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0100...THEN 1200-1400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........CLOUDY. SNOW AND AREAS OF BLOWING SNOW UNTIL 1700...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....20. MIN HUMIDITY........66%. 20-FOOT WINDS.......BREEZY. EAST/NORTHEAST WINDS 18-28 MPH WITH GUSTS TO 40 MPH. TRANSPORT WINDS.....EAST 25-36 MPH. MIXING HEIGHT.......2400-3400 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 0900...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 VERY LOW. .THURSDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF SNOW UNTIL 2300. MIN TEMPERATURE.....0. MAX HUMIDITY........93%. 20-FOOT WINDS.......EAST WINDS 6-12 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHEAST 8-16 MPH. MIXING HEIGHT.......1000-2000 FT AGL UNTIL 2300...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN MOSTLY CLOUDY(50-60%). SLIGHT CHANCE OF SNOW AFTER 1700. MAX TEMPERATURE.....31. MIN HUMIDITY........46%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN NORTHWEST 6-7 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH UNTIL 1200...THEN WEST 16-24 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 4600-5600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1400. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 4. HIGHS AROUND 20. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 0600. LOWS AROUND 4. HIGHS IN THE MID 20S. WEST WINDS AROUND 7 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS AROUND 9. HIGHS IN THE MID 20S. WEST WINDS AROUND 9 MPH. .TUESDAY...PARTLY CLOUDY. NOT AS COOL. LOWS AROUND 15. HIGHS IN THE MID 30S. WEST WINDS AROUND 8 MPH. FIRE WEATHER TABLE FOR LOWER 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 11/30-23 97 86 78 21 80 E 3 3 2 1 SW35 597 E 5 2322 P 12/01-00 97 86 78 19 82 E 6 6 2 1 SW33 875 E 9 9167 P 12/01-01 98 86 78 18 85 NE 9 14 2 1 SW31 1153 NE14 16012 P 12/01-02 98 84 74 17 86 NE13 20 2 1 SW30 1430 NE18 22857 P 12/01-03 98 84 74 16 88 NE15 23 2 1 SW29 1371 NE21 24703 P 12/01-04 98 84 74 15 90 NE17 25 2 1 SW28 1311 NE23 26550 P 12/01-05 100 75 60 13 96 NE18 28 2 1 SW28 1251 NE26 28396 P 12/01-06 100 75 60 12 95 NE20 30 2 1 SW28 1452 NE28 36300 P 12/01-07 100 75 60 12 91 NE21 31 2 1 SW29 1653 NE30 44204 F 12/01-08 100 75 60 12 84 NE22 33 2 1 SW30 1854 E32 52109 F 12/01-09 100 75 60 14 77 NE24 36 2 1 S32 2322 E33 68354 G 12/01-10 100 75 60 15 72 NE25 38 2 1 S35 2791 E35 84600 G 12/01-11 79 79 66 16 69 E26 40 2 1 S37 3259 E36 100846 V 12/01-12 79 79 66 17 68 E26 39 2 1 S35 3330 E33 97035 G 12/01-13 79 79 66 17 68 E25 38 2 1 S32 3401 E31 93224 G 12/01-14 79 79 66 17 68 E23 35 2 1 S29 3471 E30 89413 G 12/01-15 79 79 66 17 66 E21 30 2 1 S28 3055 E28 75093 G 12/01-16 79 79 66 15 66 E17 25 2 1 S26 2639 E26 60773 G 12/01-17 48 18 4 12 73 E14 21 2 1 S25 2223 E24 46453 F 12/01-18 48 18 4 10 77 E12 17 2 1 S25 1963 E22 38187 P 12/01-19 48 18 4 9 80 E 9 15 2 1 S24 1703 E20 29921 P 12/01-20 48 18 4 9 80 E 8 8 2 1 S24 1443 E17 21655 P 12/01-21 48 18 4 8 77 E 7 7 2 1 S24 1241 E16 17603 P 12/01-22 48 18 4 8 70 E 6 6 2 1 S25 1040 SE15 13552 P 12/01-23 27 6 1 5 72 SE 5 5 2 1 S24 838 SE13 9501 P 12/02-00 27 6 1 5 68 E 5 5 2 1 S22 683 SE12 7395 P 12/02-01 27 6 1 4 71 E 5 5 2 1 S18 528 SE10 5288 P 12/02-02 27 6 1 3 74 E 5 5 2 1 S16 373 SE10 3182 P 12/02-03 27 6 1 2 75 E 3 3 2 1 S18 304 SE 7 2227 P 12/02-04 27 6 1 1 77 E 3 3 2 1 SW22 234 SE 5 1273 P 12/02-05 13 2 0 1 80 E 2 2 2 1 SW25 165 SE 2 319 P 12/02-06 13 2 0 2 77 NE 2 2 2 1 SW24 165 E 2 276 P 12/02-07 13 2 0 0 86 NE 2 2 2 1 S22 164 CALM 234 P 12/02-08 13 2 0 0 93 N 2 2 2 1 S18 164 CALM 191 P 12/02-09 13 2 0 4 96 N 2 2 2 1 S16 1297 NW 6 16522 P 12/02-10 13 2 0 11 89 W 2 2 2 1 S14 2430 W12 32853 P 12/02-11 54 4 1 18 81 SW 2 2 2 1 S13 3563 W16 49185 F 12/02-12 54 4 1 25 66 W 3 3 2 1 S14 4363 W17 68861 G 12/02-13 54 4 1 29 59 W 6 6 2 1 SW16 5163 W20 88538 G 12/02-14 54 4 1 29 55 NW 7 7 2 1 SW17 5963 W21 108214 V 12/02-15 54 4 1 31 49 NW 7 7 2 1 W16 5754 W22 108324 V 12/02-16 54 4 1 30 46 NW 6 6 2 1 W14 5545 W23 108433 V 12/02-17 78 23 5 28 48 NW 5 5 2 1 W13 5336 W23 108543 V 12/02-18 78 23 5 21 61 NW 5 5 2 1 W10 5075 W21 92075 G 12/02-19 78 23 5 18 65 W 3 3 2 1 W 9 4814 W17 75607 G 12/02-20 78 23 5 18 64 W 3 3 2 1 W 8 4553 W15 59139 F 12/02-21 78 23 5 16 67 W 3 3 2 1 W 9 4319 W13 48194 F 12/02-22 78 23 5 17 64 W 2 2 2 1 W10 4085 W10 37249 P 12/02-23 77 40 18 13 74 W 2 2 2 1 W13 3851 W 8 26304 P 12/03-00 77 40 18 13 72 W 2 2 2 1 W14 3660 W 7 20949 P 12/03-01 77 40 18 11 81 NW 2 2 2 1 W15 3470 NW 5 15593 P 12/03-02 77 40 18 10 87 N 2 2 2 1 W16 3279 NW 3 10238 P 12/03-03 77 40 18 9 92 N 2 2 2 1 W16 3049 NW 3 10262 P 12/03-04 77 40 18 7 98 NE 3 3 2 1 W16 2819 NW 5 10286 P 12/03-05 74 37 15 7 100 E 3 3 2 1 W15 2588 NW 5 10309 P 12/03-06 74 37 15 8 96 NE 3 3 2 1 W15 2575 N 3 7576 P 12/03-07 74 37 15 5 100 NE 3 3 2 1 W14 2562 NE 2 4843 P 12/03-08 74 37 15 5 100 NE 3 3 2 1 W13 2548 CALM 2109 P 12/03-09 74 37 15 7 94 NE 3 3 2 1 W14 3382 NE 2 6562 P 12/03-10 74 37 15 10 77 NE 3 3 2 1 W15 4216 NW 2 11014 P 12/03-11 69 32 11 14 65 NE 3 3 2 1 W17 5049 W 3 15466 P 12/03-12 69 32 11 17 57 NE 3 3 2 1 W20 5257 W 5 23552 P 12/03-13 69 32 11 19 55 NE 3 3 2 1 SW22 5465 W 7 31638 P 12/03-14 69 32 11 19 56 NE 3 3 2 1 SW23 5672 W 8 39723 P 12/03-15 69 32 11 20 57 NE 3 3 2 1 W24 5383 W 8 37870 P 12/03-16 69 32 11 19 61 NE 3 3 2 1 W23 5094 W 8 36016 P 12/03-17 64 14 3 17 67 NE 3 3 2 1 W22 4804 W 8 34162 P 12/03-18 64 14 3 13 79 N 3 3 1 12/03-19 64 14 3 11 80 N 3 3 1 12/03-20 64 14 3 11 75 NW 3 3 1 12/03-21 64 14 3 10 75 NW 3 3 1 12/03-22 64 14 3 10 71 W 3 3 1 12/03-23 43 6 1 7 75 W 3 3 1 12/04-00 43 6 1 8 67 W 3 3 1 12/04-01 43 6 1 6 66 W 5 5 1 12/04-02 43 6 1 5 63 W 5 5 1 12/04-03 43 6 1 4 61 W 6 6 1 12/04-04 43 6 1 4 60 W 6 6 1 12/04-05 28 10 2 3 62 W 7 7 1 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.LOWER.01/BOU