FNUS75 KBOU 280232 FWSBOU SPOT FORECAST FOR BOYD GULCH...USFS NATIONAL WEATHER SERVICE DENVER CO 830 PM MDT THU AUG 27 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DRY AND STABLE AIRMASS IS IN PLACE FOR TONIGHT WITH NO THUNDERSTORMS EXPECTED AND TYPICAL DRAINAGE PATTERNS. ANOTHER WEAK FRONT WILL PUSH INTO THE REGION BY LATE MORNING...AS WINDS SHIFT FROM THE NORTHWEST IN THE MORNING TO THE NORTHEAST BY AFTERNOON. THERE WILL BE A SLIGHT CHANCE FOR A THUNDERSTORMS FRIDAY AFTERNOON AS MOISTURE LEVELS AND INSTABILITY INCREASE SLIGHTLY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....49. MAX HUMIDITY........65-70%. 20-FOOT WINDS.......VARIABLE 2-4 MPH UNTIL 2200...THEN SOUTHWEST 4-8 MPH. TRANSPORT WINDS.....NORTHEAST 4-8 MPH UNTIL 2400...THEN WEST. MIXING HEIGHT.......4200 FT AGL UNTIL 2100...THEN 200 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 2100...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500. MAX TEMPERATURE.....78. MIN HUMIDITY........23-29%. 20-FOOT WINDS.......NORTHWEST 5-11 MPH UNTIL 1200...THEN NORTHEAST. TRANSPORT WINDS.....NORTHWEST 4-8 MPH. MIXING HEIGHT.......200-800 FT AGL UNTIL 1000. 10000-11000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1600...THEN FAIR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2000. MIN TEMPERATURE.....47. MAX HUMIDITY........74%. 20-FOOT WINDS.......SOUTHEAST 5-11 MPH UNTIL 2400...THEN SOUTHWEST 4-10 MPH. TRANSPORT WINDS.....EAST 4-8 MPH UNTIL 2400...THEN SOUTH. MIXING HEIGHT.......9200 FT AGL UNTIL 1900. 200-400 FT AGL AFTER 2100. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS AFTER 1400. MAX TEMPERATURE.....77. MIN HUMIDITY........30%. 20-FOOT WINDS.......WEST 5-6 MPH UNTIL 0900...THEN EAST 6-12 MPH. TRANSPORT WINDS.....NORTHWEST UP TO 8 MPH. MIXING HEIGHT.......600-1600 FT AGL UNTIL 1000. 7600-8600 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS AROUND 80. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS AROUND 50. HIGHS IN THE LOWER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .WEDNESDAY...MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR BOYD GULCH. +++ 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 08/27-20 20 0 71 34 NE 7 1 4233 NE 9 66683 G 08/27-21 20 0 68 39 NE 3 3 3 1 N18 280 NE 5 1234 P 08/27-22 15 0 66 43 N 3 1 238 E 5 949 P 08/27-23 15 0 63 48 W 5 1 197 S 3 664 P 08/28-00 13 0 59 55 SW 6 6 3 1 N18 155 SW 2 379 P 08/28-01 13 0 56 62 W 7 1 140 W 3 417 P 08/28-02 13 0 54 67 W 7 1 125 W 5 454 P 08/28-03 13 0 52 70 W 8 8 3 1 N21 111 W 5 492 P 08/28-04 13 0 52 70 W 8 1 111 NW 6 596 P 08/28-05 13 0 51 71 NW 9 1 112 NW 7 699 P 08/28-06 25 0 51 69 NW 9 9 3 1 N23 112 N 8 803 P 08/28-07 25 0 53 70 NW 9 1 366 N 7 2044 P 08/28-08 25 0 58 61 N 8 1 620 N 7 3285 P 08/28-09 25 0 63 52 N 8 8 3 1 N21 873 N 6 4526 P 08/28-10 25 0 68 44 N 7 1 3687 N 7 28232 P 08/28-11 25 0 71 39 NE 6 1 6500 N 8 51939 F 08/28-12 49 0 73 36 E 6 6 3 1 NW22 9314 NW 9 75645 G 08/28-13 49 0 75 33 E 6 1 9970 NW 9 74194 G 08/28-14 49 10 77 31 E 7 2 10625 NW 8 72743 G 08/28-15 49 10 78 29 E 8 8 3 2 NW23 11281 NW 7 71291 G 08/28-16 49 10 77 30 E 9 2 10591 NW 6 56266 F 08/28-17 49 10 76 32 E 9 2 9900 N 5 41240 F 08/28-18 33 10 75 33 E 10 10 3 2 NW22 9210 N 3 26215 P 08/28-19 33 10 72 38 E 8 2 6248 N 6 18320 P 08/28-20 33 0 67 44 E 7 1 3282 E 7 10409 P 08/28-21 33 0 64 50 E 6 6 2 1 NW17 316 E 9 2498 P 08/28-22 33 0 62 54 SE 6 1 296 E 8 2146 P 08/28-23 33 0 60 58 S 7 1 276 SE 7 1795 P 08/29-00 21 0 56 65 S 8 8 2 1 NW24 255 S 7 1443 P 08/29-01 21 0 53 71 SW 7 1 241 S 6 1224 P 08/29-02 21 0 51 74 SW 7 1 227 S 5 1006 P 08/29-03 21 0 50 74 SW 6 6 3 1 NW18 212 S 5 787 P 08/29-04 21 0 49 74 SW 6 1 204 SW 3 648 P 08/29-05 21 0 49 73 SW 5 1 195 SW 3 508 P 08/29-06 21 0 49 72 SW 5 5 3 1 NW17 186 W 2 368 P 08/29-07 21 0 50 70 W 3 1 741 W 2 925 P 08/29-08 21 0 56 59 N 2 1 1295 CALM 1482 P 08/29-09 21 0 61 49 NE 2 2 3 1 N18 1849 CALM 2039 P 08/29-10 21 0 67 41 NE 3 1 3172 NW 2 10069 P 08/29-11 21 0 70 36 E 7 1 4494 N 3 18099 P 08/29-12 21 0 72 33 E 9 9 4 1 NW18 5817 N 5 26129 P 08/29-13 21 0 74 31 E 9 1 6883 NW 5 28012 P 08/29-14 50 20 76 31 E 9 3 7949 NW 5 29896 P 08/29-15 50 20 77 30 E 9 9 3 3 NW20 9014 NW 5 31779 P 08/29-16 50 20 77 30 E 9 3 8433 W 3 26231 P 08/29-17 50 20 75 30 E 10 3 7851 SW 3 20683 P 08/29-18 50 20 75 30 SE 10 10 3 3 W21 7270 S 2 15135 P 08/29-19 50 20 71 35 SE 10 3 4957 S 5 10967 P 08/29-20 50 20 67 40 SE 8 3 2644 SE 7 6800 P 08/29-21 50 20 64 46 SE 7 7 3 3 NW21 331 SE 9 2632 P 08/29-22 50 20 61 51 SE 6 3 315 SE 8 2372 P 08/29-23 50 20 59 57 SE 6 3 299 SE 8 2112 P 08/30-00 44 0 56 67 S 5 5 3 1 NW22 283 SE 8 1852 P 08/30-01 44 0 53 73 S 3 1 271 S 6 1396 P 08/30-02 44 0 51 77 W 3 1 259 W 3 941 P 08/30-03 44 0 50 79 NW 3 3 3 1 NW21 247 NW 2 486 P 08/30-04 44 0 49 79 NW 6 1 231 NW 3 679 P 08/30-05 44 0 49 79 NW 7 1 214 NW 5 872 P 08/30-06 44 0 49 79 NW 7 7 3 1 NW24 198 NW 6 1065 P 08/30-07 44 0 50 75 S 3 1 432 N 6 1650 P 08/30-08 44 0 55 65 S 5 1 667 N 5 2236 P 08/30-09 44 0 60 55 S 5 5 3 1 NW25 901 N 3 2821 P 08/30-10 44 0 65 47 SE 6 1 2375 N 3 8562 P 08/30-11 44 0 68 43 SE 6 1 3848 N 5 14303 P 08/30-12 62 30 70 40 E 7 7 3 4 NW23 5321 N 5 20044 P 08/30-13 62 30 72 38 E 6 4 6329 N 5 23514 P 08/30-14 62 30 73 37 SE 6 4 7337 N 5 26983 P 08/30-15 62 30 74 36 SE 6 6 2 4 NW28 8345 N 5 30452 P 08/30-16 62 30 74 36 SE 5 4 7758 NW 3 25262 P 08/30-17 62 30 73 38 SE 5 4 7171 NW 3 20071 P 08/30-18 62 30 72 39 SE 3 3 2 4 NW30 6584 W 2 14881 P 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/ENTREKIN REQUESTED BY...GARY BATCHELDER REASON FOR REQUEST...WILDFIRE .TAG 20090827.BOYDG.07/BOU