FNUS75 KBOU 190154 FWSBOU SPOT FORECAST FOR GRIZZLY...USFS NATIONAL WEATHER SERVICE DENVER CO 751 PM MDT TUE SEP 18 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY AND STABLE NORTHWEST FLOW ALOFT WILL PREVAIL OVER THE DISTRICT TONIGHT AND WEDNESDAY WITH NO PRECIPITATION. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....38. MAX HUMIDITY........41%. 20-FOOT WINDS.......WEST WINDS 7-11 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....WEST 5-16 MPH UNTIL 2400...THEN AROUND 4 MPH. MIXING HEIGHT.......3800 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 2000...THEN POOR. HAINES INDEX........4 LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....62. MIN HUMIDITY........18%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH WITH GUSTS TO 20 MPH. TRANSPORT WINDS.....WEST 4-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10400-11400 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 0700. GOOD AFTER 1700. HAINES INDEX........3 VERY LOW. .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....46. MAX HUMIDITY........31%. 20-FOOT WINDS.......WEST WINDS 6-12 MPH WITH GUSTS TO 20 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN SOUTHWEST AROUND 5 MPH. TRANSPORT WINDS.....WEST 4-8 MPH. MIXING HEIGHT.......10000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2300. SMOKE DISPERSAL.....GOOD UNTIL 1900...THEN FAIR UNTIL 2000...THEN POOR. HAINES INDEX........3 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....62. MIN HUMIDITY........15%. 20-FOOT WINDS.......NORTHWEST WINDS 7-13 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 11800-12800 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1200...THEN VERY GOOD. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 6 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 7 MPH. FIRE WEATHER TABLE FOR GRIZZLY. +++ 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 09/18-19 0 0 0 54 22 W10 16 3 1 NW31 3761 W16 61425 G 09/18-20 0 0 0 51 26 W 7 7 3 1 NW29 1914 W13 28988 P 09/18-21 0 0 0 49 29 W 3 3 3 1 NW28 448 W 9 3401 P 09/18-22 0 0 0 48 31 W 2 2 3 1 NW26 0 W 7 0 P 09/18-23 0 0 0 46 33 SW 2 2 3 1 NW25 26 W 6 0 P 09/19-00 0 0 0 44 36 SW 2 2 3 1 NW25 220 W 5 941 P 09/19-01 0 0 0 43 38 SW 2 2 3 1 NW25 192 W 3 595 P 09/19-02 0 0 0 41 40 CALM 1 4 1 NW25 184 W 3 463 P 09/19-03 2 0 0 40 41 CALM 1 4 1 NW26 183 W 2 432 P 09/19-04 2 0 0 40 41 CALM 1 4 1 NW25 80 W 2 0 P 09/19-05 2 0 0 40 41 CALM 1 3 1 NW24 31 SW 2 0 P 09/19-06 2 0 0 39 41 S 2 2 3 1 NW23 166 SW 2 337 P 09/19-07 2 0 0 41 40 S 3 3 3 1 NW22 365 SW 3 1588 P 09/19-08 6 0 0 45 36 SW 5 5 3 1 NW21 880 W 6 4874 P 09/19-09 6 0 0 50 31 SW 6 6 3 1 NW18 1914 W 7 11520 P 09/19-10 6 0 0 54 25 SW 6 6 3 1 NW17 3831 W 7 23559 P 09/19-11 6 0 0 57 23 SW 7 7 3 1 NW15 6111 W 7 38141 P 09/19-12 22 0 0 59 20 W 7 7 3 1 NW14 8158 NW 7 51889 F 09/19-13 22 0 0 60 19 W 8 13 3 1 NW13 9522 W 8 62113 G 09/19-14 22 0 0 61 19 W 9 15 3 1 NW12 10422 W 8 70131 G 09/19-15 22 0 0 62 18 W10 16 3 1 NW12 10877 W 8 75886 G 09/19-16 22 0 0 61 18 W12 18 3 1 W10 11466 W 9 84347 G 09/19-17 22 0 0 60 18 W12 20 3 1 W10 11432 W 9 88401 G 09/19-18 8 0 0 60 18 W12 18 3 1 W12 9970 W 9 78964 G 09/19-19 8 0 0 58 21 W 9 14 3 1 W13 7082 W 8 54808 F 09/19-20 8 0 0 55 23 W 7 7 3 1 W13 4194 NW 7 30651 P 09/19-21 8 0 0 54 25 W 5 5 3 1 W14 1306 NW 6 6495 P 09/19-22 8 0 0 53 26 W 3 3 3 1 W13 974 W 5 4497 P 09/19-23 8 0 0 52 28 W 2 2 3 1 W13 642 W 3 2499 P 09/20-00 6 0 0 50 29 W 2 2 3 1 W12 309 W 2 501 P 09/20-01 6 0 0 49 30 W 2 2 3 1 W12 285 W 2 555 P 09/20-02 6 0 0 49 31 W 3 3 3 1 W10 261 W 2 608 P 09/20-03 6 0 0 48 31 SW 3 3 3 1 W12 237 SW 3 662 P 09/20-04 6 0 0 47 31 SW 3 3 3 1 NW12 239 W 3 713 P 09/20-05 6 0 0 47 30 W 5 5 3 1 NW13 241 W 3 764 P 09/20-06 6 0 0 47 30 W 5 5 3 1 NW14 243 W 3 815 P 09/20-07 6 0 0 48 28 W 5 5 3 1 NW14 1945 W 7 18190 P 09/20-08 6 0 0 51 26 W 5 5 3 1 NW14 3648 W 9 35565 P 09/20-09 6 0 0 54 23 W 6 6 3 1 NW15 5350 NW12 52940 F 09/20-10 6 0 0 57 20 W 7 7 3 1 NW14 7209 NW12 73696 G 09/20-11 6 0 0 58 19 W 9 15 3 1 NW14 9068 NW12 94452 G 09/20-12 9 0 0 60 18 NW10 16 3 1 NW14 10927 NW13 115208 V 09/20-13 9 0 0 61 17 NW10 16 3 1 NW13 11714 NW12 121657 V 09/20-14 9 0 0 61 16 NW10 16 4 1 NW13 12501 NW12 128105 V 09/20-15 21 0 0 62 16 NW 9 15 4 1 NW13 13288 NW12 134553 V 09/20-16 21 0 0 61 15 NW 9 14 4 1 NW13 12710 NW12 125595 V 09/20-17 21 0 0 60 16 N 8 14 4 1 NW13 12131 NW12 116636 V 09/20-18 35 0 0 60 16 N 8 13 4 1 NW14 11553 NW10 107678 V 09/20-19 35 0 0 57 18 N 8 13 4 1 NW15 8612 N10 79086 G 09/20-20 35 0 0 55 21 N 7 7 3 1 NW16 5671 N 9 50493 F 09/20-21 35 0 0 53 22 NE 7 7 3 1 NW18 2730 N 9 21901 P 09/20-22 35 0 0 52 24 NE 6 6 3 1 NW20 1955 NE 8 15256 P 09/20-23 35 0 0 51 26 NE 6 6 3 1 NW20 1181 NE 7 8610 P 09/21-00 8 0 0 49 29 NE 5 5 3 1 N21 406 NE 6 1965 P 09/21-01 8 0 0 48 31 NE 3 3 3 1 N22 359 NE 5 1414 P 09/21-02 8 0 0 47 32 NE 2 2 3 1 N22 313 NE 2 864 P 09/21-03 8 0 0 46 33 CALM 1 3 1 N23 266 CALM 313 P 09/21-04 8 0 0 46 34 CALM 1 3 1 N24 262 CALM 373 P 09/21-05 8 0 0 46 34 CALM 1 2 1 N24 258 N 2 433 P 09/21-06 8 0 0 45 34 N 2 2 2 1 N25 254 N 2 492 P 09/21-07 8 0 0 47 33 N 2 2 2 1 N25 1026 N 3 4709 P 09/21-08 8 0 0 49 30 NE 3 3 2 1 N25 1799 N 5 8926 P 09/21-09 8 0 0 52 27 NE 3 3 2 1 N25 2571 N 6 13143 P 09/21-10 8 0 0 56 24 NE 3 3 2 1 N24 4348 N 7 32899 P 09/21-11 8 0 0 57 22 N 5 5 2 1 N22 6124 N 9 52655 F 09/21-12 13 3 1 59 21 N 5 5 2 1 N20 7901 N10 72412 G 09/21-13 13 3 1 59 21 N 5 5 2 1 N17 8436 N10 71075 G 09/21-14 13 3 1 60 21 N 6 6 3 1 N15 8971 N 9 69738 G 09/21-15 13 3 1 60 21 N 6 6 3 1 N14 9506 N 8 68401 G 09/21-16 13 3 1 60 21 N 7 7 3 1 N14 9180 N 8 62122 G 09/21-17 13 3 1 58 23 N 7 7 3 1 N14 8855 N 7 55844 F 09/21-18 15 3 1 57 24 N 8 13 3 1 NW15 8530 N 7 49565 F 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 $$ WFO BOULDER REQUESTED BY...CASEY CHEESBROUGH REASON FOR REQUEST...WILDFIRE .TAG 20120918.GRIZZ.01/BOU