FNUS75 KBOU 061609 FWSBOU SPOT FORECAST FOR LOWER CO RIVER...NPS NATIONAL WEATHER SERVICE DENVER CO 901 AM MST TUE DEC 6 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...ARCTIC HIGH PRESSURE OVER THE STATE WILL GRADUALLY LOOSEN ITS GRIP ON THE AREA THIS WEEK...ALLOWING FOR A GRADUAL MODERATION IN TEMPERATURES. UNTIL THEN...INVERSIONS ARE EXPECTED TO HOLD STRONG TODAY...WITH ONLY SLIGHT WEAKENING WEDNESDAY. BY THURSDAY...AN APPROACHING UPPER LEVEL DISTURBANCE AND INCREASE IN CLOUD COVER SHOULD WEAKEN THE INVERSIONS ENOUGH TO ALLOW FOR FAIR TO POSSIBLY GOOD SMOKE DISPERSION. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....15. MIN HUMIDITY........39%. 20-FOOT WINDS.......SOUTHWEST 4-7 MPH. TRANSPORT WINDS.....WEST 6-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 1000-2000 FT AGL UNTIL 1700...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....-4. MAX HUMIDITY........100%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1700...THEN PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....32. MIN HUMIDITY........37%. 20-FOOT WINDS.......SOUTHWEST 4-9 MPH. TRANSPORT WINDS.....WEST 6-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 1600-2600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1600...THEN POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...PARTLY CLOUDY. LOWS AROUND 3. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS AROUND 7 MPH WITH GUSTS TO 20 MPH. .FRIDAY...MOSTLY CLEAR. LOWS AROUND 5. HIGHS AROUND 30. WEST WINDS AROUND 6 MPH. .SATURDAY...MOSTLY CLEAR. LOWS AROUND 10. HIGHS IN THE MID 30S. WEST WINDS AROUND 7 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 12/06-08 3 0 0 -9 51 NW 5 5 2 1 N74 302 NW 6 2529 P 12/06-09 3 0 0 -3 76 NW 5 6 2 1 N71 632 NW 7 7694 P 12/06-10 3 0 0 4 72 NW 5 7 2 1 N69 963 W 8 12859 P 12/06-11 31 0 0 10 56 SW 6 8 2 1 N66 1294 W 8 18024 P 12/06-12 31 0 0 14 43 SW 6 8 2 1 N62 1499 W 9 23288 P 12/06-13 31 0 0 15 41 SW 7 7 2 1 N59 1704 W10 28552 P 12/06-14 31 0 0 15 40 SW 7 7 2 1 N55 1909 W10 33816 P 12/06-15 31 0 0 13 39 SW 7 7 2 1 N53 1552 W10 26285 P 12/06-16 31 0 0 12 51 SW 8 8 2 1 N52 1195 W10 18755 P 12/06-17 43 0 0 9 43 SW 8 8 2 1 N51 838 W10 11225 P 12/06-18 43 0 0 4 53 W 7 7 2 1 N51 643 W10 8139 P 12/06-19 43 0 0 3 51 NW 7 7 2 1 N52 448 W10 5053 P 12/06-20 43 0 0 2 50 NW 6 6 2 1 N52 253 W 9 1967 P 12/06-21 43 0 0 0 52 NW 6 6 2 1 N51 219 W 8 1648 P 12/06-22 43 0 0 0 50 NW 6 6 2 1 N48 186 W 8 1329 P 12/06-23 16 0 0 -1 49 NW 6 6 2 1 N46 153 W 8 1009 P 12/07-00 16 0 0 -1 44 NW 5 5 2 1 N45 142 W 7 851 P 12/07-01 16 0 0 -2 63 NW 5 5 2 1 N44 132 W 6 692 P 12/07-02 16 0 0 -1 63 N 3 3 2 1 NW43 122 W 5 533 P 12/07-03 16 0 0 -1 69 N 3 3 2 1 NW41 115 W 5 439 P 12/07-04 16 0 0 -2 69 N 3 3 2 1 NW41 108 NW 3 345 P 12/07-05 17 0 0 -2 100 N 2 2 2 1 NW43 100 NW 2 251 P 12/07-06 17 0 0 -3 100 CALM 1 2 1 NW45 110 NW 3 343 P 12/07-07 17 0 0 -2 100 CALM 1 2 1 NW46 120 W 5 434 P 12/07-08 17 0 0 2 100 NW 2 2 2 1 NW48 130 W 5 525 P 12/07-09 17 0 0 10 86 W 5 5 2 1 NW48 530 W 8 6146 P 12/07-10 17 0 0 18 74 W 7 14 2 1 NW47 931 W12 11766 P 12/07-11 19 0 0 24 64 W 8 15 2 1 NW47 1331 W12 17386 P 12/07-12 19 0 0 28 51 W 8 15 2 1 NW47 1842 W14 31532 P 12/07-13 19 0 0 30 43 W 8 15 2 1 NW47 2352 W15 45678 F 12/07-14 19 0 0 31 37 W 8 15 2 1 NW48 2863 W15 59824 F 12/07-15 19 0 0 30 39 W 8 15 2 1 NW49 2465 W15 51080 F 12/07-16 19 0 0 28 43 W 8 15 2 1 NW49 2066 W15 42336 F 12/07-17 35 3 1 23 55 W 8 15 2 1 NW49 1668 W15 33592 P 12/07-18 35 3 1 20 62 W 8 13 2 1 NW49 1344 W15 25066 P 12/07-19 35 3 1 17 67 NW 7 7 2 1 NW49 1020 W14 16540 P 12/07-20 35 3 1 16 69 N 6 6 2 1 NW48 697 W12 8014 P 12/07-21 35 3 1 15 71 N 5 5 2 1 NW48 591 W10 6113 P 12/07-22 35 3 1 14 72 E 5 5 2 1 W48 486 W 9 4213 P 12/07-23 35 3 1 13 72 E 5 5 2 1 W48 380 W 7 2312 P 12/08-00 35 3 1 12 74 E 5 5 2 1 W49 327 W 7 1964 P 12/08-01 35 3 1 10 76 SE 5 5 2 1 W49 274 SW 7 1616 P 12/08-02 35 3 1 9 77 S 5 5 2 1 W51 221 SW 7 1268 P 12/08-03 35 3 1 8 78 S 3 3 2 1 W53 207 SW 6 1139 P 12/08-04 35 3 1 7 80 S 3 3 2 1 W55 194 SW 6 1009 P 12/08-05 50 7 1 6 83 S 2 2 2 1 W56 181 W 6 879 P 12/08-06 50 7 1 5 87 SW 2 2 2 1 W58 217 W 7 1332 P 12/08-07 50 7 1 5 91 W 2 2 2 1 W58 253 W 8 1785 P 12/08-08 50 7 1 7 89 W 3 3 2 1 W58 289 W 9 2238 P 12/08-09 50 7 1 13 82 W 6 6 2 1 W59 1533 W15 34612 P 12/08-10 50 7 1 18 78 W 8 13 2 1 W59 2778 W22 66985 G 12/08-11 55 7 1 22 73 W10 16 2 1 W56 4022 W29 99358 G 12/08-12 55 7 1 25 63 W12 18 2 1 NW51 4338 W29 108664 V 12/08-13 55 7 1 26 53 W12 18 2 1 NW44 4654 NW29 117969 V 12/08-14 55 7 1 26 48 W12 18 2 1 N38 4970 NW30 127274 V 12/08-15 55 7 1 26 49 W12 18 2 1 N39 4313 NW28 104472 V 12/08-16 55 7 1 24 55 W12 17 3 1 N43 3655 NW25 81670 G 12/08-17 46 7 1 20 69 W10 16 3 1 N47 2997 NW23 58869 F 12/08-18 46 7 1 17 78 W 9 15 3 1 NW48 2552 NW21 48104 F 12/08-19 46 7 1 15 84 W 8 13 2 1 NW49 2106 W20 37339 P 12/08-20 46 7 1 14 86 W 7 7 2 1 NW49 1660 W18 26575 P 12/08-21 46 7 1 13 85 W 6 6 2 1 NW49 1506 W17 22666 P 12/08-22 46 7 1 12 84 SW 5 5 2 1 NW47 1352 W16 18757 P 12/08-23 22 5 1 11 81 SW 3 3 2 1 NW46 1198 W14 14848 P 12/09-00 22 5 1 10 78 SW 3 3 2 1 NW46 1053 W15 13424 P 12/09-01 22 5 1 9 74 W 5 5 2 1 NW45 909 W15 12000 P 12/09-02 22 5 1 8 71 W 6 6 2 1 NW45 764 W16 10575 P 12/09-03 22 5 1 7 69 W 6 6 2 1 NW45 699 W15 9365 P 12/09-04 22 5 1 6 69 W 6 6 2 1 NW45 634 W15 8154 P 12/09-05 5 6 1 5 73 W 6 6 2 1 NW46 569 W14 6943 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 20111206.LOWER.01/BOU