FNUS75 KBOU 132217 FWSBOU SPOT FORECAST FOR ARSENAL BROADCAST...USFS NATIONAL WEATHER SERVICE DENVER CO 409 PM MDT TUE APR 13 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE FLOW ALOFT ON WEDNESDAY WILL WEAKEN AS THE UPPER LOW WILL MOVE WELL NORTH OF THE STATE AND A RIDGE OF HIGH PRESSURE WILL MOVE IN FROM THE WEST. THE AIRMASS WILL REMAIN DRY WITH A SOUTHWEST TO WESTERLY FLOW ALOFT OVER THE AREA. SMOKE DISPERSAL IS EXPECTED TO BE VERY GOOD BY THE AFTERNOON WITH A FAIRLY DEEP MIXING LAYER AND DECENT WIND SPEEDS AS WELL. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....67-69. MIN HUMIDITY........15-19%. WIND (20 FT)........SOUTH WINDS 8-13 MPH UNTIL 0900...THEN SOUTHEAST 6-12 MPH. TRANSPORT WINDS.....SOUTH 12-16 MPH. MIXING HEIGHT.......1000-1400 FT AGL AFTER 0800 UNTIL 1000...THEN 4200-5200 FT AGL UNTIL 1200...THEN 8000-9000 FT AGL UNTIL 1700...THEN 6400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1600...THEN GOOD. HAINES INDEX........3 VERY LOW. .WEDNESDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MIN TEMPERATURE.....41. MAX HUMIDITY........60%. WIND (20 FT)........SOUTH 2-8 MPH. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......5000 FT AGL UNTIL 1900. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%). MAX TEMPERATURE.....65-67. MIN HUMIDITY........20-24%. WIND (20 FT)........NORTHWEST WINDS 8-13 MPH UNTIL 1200...THEN NORTHEAST. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......4600-5600 FT AGL AFTER 0700 UNTIL 1700...THEN 2400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1800...THEN SLIGHT CHANCE OF RAIN SHOWERS. LOWS AROUND 40. HIGHS AROUND 60. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1800. LOWS AROUND 40. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR ARSENAL BROADCAST. +++ 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 04/13-16 62 0 65 18 W 22 2 12802 SW 28 307520 E 04/13-17 62 0 64 20 W 22 2 11936 SW 25 270561 E 04/13-18 53 0 60 23 W 21 29 3 1 SW36 11070 W 24 233602 E 04/13-19 53 0 58 24 W 17 1 8270 W 23 172355 E 04/13-20 53 0 53 28 W 12 1 5471 W 22 111108 V 04/13-21 53 0 48 33 W 8 8 3 1 SW26 2671 W 22 49861 F 04/13-22 53 0 44 38 SW 7 1 1912 W 17 34181 P 04/13-23 53 0 42 43 SW 7 1 1152 SW 13 18501 P 04/14-00 26 0 40 47 SW 7 7 3 1 W33 393 SW 8 2821 P 04/14-01 26 0 39 52 SW 7 1 360 SW 8 2536 P 04/14-02 26 0 38 56 S 7 1 328 SW 8 2251 P 04/14-03 22 0 37 59 S 7 7 3 1 SW43 295 SW 8 1966 P 04/14-04 22 0 36 58 S 7 1 304 SW 8 1987 P 04/14-05 22 0 37 55 S 8 1 312 S 7 2007 P 04/14-06 18 0 37 52 S 8 8 3 1 W40 321 S 7 2027 P 04/14-07 18 0 38 53 S 7 1 692 S 7 4242 P 04/14-08 18 0 41 50 S 7 1 1063 S 7 6457 P 04/14-09 21 0 46 43 S 6 6 3 1 SW33 1434 S 7 8671 P 04/14-10 21 0 52 35 S 6 1 3545 S 9 38414 P 04/14-11 21 0 57 29 SE 7 1 5657 S 12 68156 G 04/14-12 26 0 60 24 SE 8 8 3 1 SW30 7768 S 15 97899 G 04/14-13 26 0 63 21 SE 9 1 8265 S 14 101953 V 04/14-14 26 0 65 19 SE 9 1 8762 S 14 106007 V 04/14-15 19 0 66 19 SE 9 9 2 1 SW28 9259 S 14 110062 V 04/14-16 19 0 67 19 SE 9 1 7813 S 12 85420 G 04/14-17 19 0 65 21 SE 8 1 6366 S 10 60778 G 04/14-18 35 0 63 24 SE 7 7 2 1 SW25 4919 SE 8 36135 P 04/14-19 35 0 61 27 SE 6 1 3337 SE 7 24254 P 04/14-20 35 0 57 32 S 5 1 1755 S 5 12372 P 04/14-21 35 0 52 40 S 3 3 3 1 W22 172 S 3 491 P 04/14-22 35 0 50 46 S 3 1 179 S 5 642 P 04/14-23 35 0 48 51 S 5 1 186 SW 5 794 P 04/15-00 35 0 46 54 SW 6 6 2 1 W29 193 SW 6 945 P 04/15-01 35 0 45 57 SW 6 1 200 SW 6 933 P 04/15-02 35 0 44 59 SW 6 1 206 W 5 921 P 04/15-03 35 0 43 59 SW 6 6 3 1 W26 212 W 5 908 P 04/15-04 35 0 43 60 SW 6 1 313 W 6 1844 P 04/15-05 35 0 43 58 W 7 1 414 NW 7 2780 P 04/15-06 42 0 44 56 W 7 7 3 1 W22 514 NW 8 3716 P 04/15-07 42 0 44 54 W 7 1 1041 NW 9 8329 P 04/15-08 42 0 46 50 NW 8 1 1567 N 9 12943 P 04/15-09 42 0 50 44 NW 8 8 2 1 W16 2094 N 9 17556 P 04/15-10 42 0 54 37 NW 8 1 2850 N 8 18741 P 04/15-11 42 0 58 33 N 8 1 3606 N 7 19927 P 04/15-12 52 5 60 30 N 8 8 3 1 SW14 4362 N 6 21112 P 04/15-13 52 5 63 27 N 8 1 5035 N 5 18431 P 04/15-14 52 5 64 25 N 7 1 5707 N 3 15749 P 04/15-15 52 5 65 24 NE 7 7 3 1 SW15 6380 N 2 13067 P 04/15-16 52 5 65 24 NE 7 1 4376 N 5 9563 P 04/15-17 52 5 64 25 NE 8 1 2373 NE 6 6059 P 04/15-18 58 6 61 28 NE 8 8 3 1 W18 369 NE 8 2555 P 04/15-19 58 6 59 30 NE 8 1 296 NE 8 2052 P 04/15-20 58 6 56 35 NE 8 1 223 NE 8 1549 P 04/15-21 58 6 52 42 NE 7 7 2 1 W16 150 NE 8 1045 P 04/15-22 58 6 49 48 NE 6 1 151 NE 7 976 P 04/15-23 58 6 47 53 NE 6 1 151 NE 7 907 P 04/16-00 58 10 46 57 E 5 5 2 1 W16 152 E 6 837 P 04/16-01 58 10 44 60 NE 3 1 155 NE 5 688 P 04/16-02 58 10 43 63 N 3 1 158 N 3 539 P 04/16-03 58 10 43 64 NW 2 2 2 1 W 9 161 NW 2 389 P 04/16-04 58 10 42 65 NW 2 1 185 NW 3 479 P 04/16-05 58 10 43 64 NW 2 1 209 NW 3 570 P 04/16-06 64 10 43 63 W 2 2 2 1 SW 7 233 NW 3 660 P 04/16-07 64 10 44 61 NW 3 1 349 NW 3 1197 P 04/16-08 64 10 45 58 N 5 1 466 N 5 1734 P 04/16-09 64 10 49 53 N 6 6 2 1 SW 9 583 N 5 2272 P 04/16-10 64 10 52 47 NE 7 1 2059 NE 7 16205 P 04/16-11 64 10 55 42 E 8 1 3535 E 8 30137 P 04/16-12 68 20 58 39 E 9 9 2 3 SW14 5011 SE 10 44070 F 04/16-13 68 20 60 37 E 9 3 5657 SE 12 55688 F 04/16-14 68 20 61 35 E 9 3 6304 SE 13 67306 G 04/16-15 68 20 62 34 SE 9 9 2 3 W17 6950 S 13 78924 G 04/16-16 68 20 62 34 SE 9 3 6205 S 15 79388 G 04/16-17 68 20 61 36 SE 8 3 5459 S 17 79853 G 04/16-18 73 16 58 38 SE 8 8 2 3 NW 9 4714 S 20 80317 G 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...WILL BRIGGS REASON FOR REQUEST...PRESCRIBED .TAG 20100414.ARSEN.07/BOU