FNUS75 KBOU 041047 FWSBOU SPOT FORECAST FOR DAKOTA RIDGE...USFS NATIONAL WEATHER SERVICE DENVER CO 447 AM MDT WED AUG 4 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD FRONT PUSHED THROUGH THE AREA LAST NIGHT BRINGING LOW CLOUDS THAT WILL LINGER THROUGH MID MORNING. TEMPERATURES WILL BE SLIGHTLY COOLER AND HUMIDITIES WILL BE SLIGHTLY HIGHER TODAY. SCATTERED THUNDERSTORMS WILL DEVELOP AGAIN THIS AFTERNOON AND EVENING. HEAVY RAIN...SMALL HAIL AND OUT FLOW WIND GUSTS TO 40 MPH WILL BE POSSIBLE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1000...THEN PARTLY CLOUDY(40-50%) UNTIL 1400...THEN MOSTLY CLOUDY. SCATTERED THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....81-85. MIN HUMIDITY........33-38%. WIND (20 FT)........NORTHEAST WINDS 4-10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON. GUSTS TO 40 MPH NEAR THUNDERSTORMS. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......9000-10000 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1300. GOOD AFTER 1500. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(50-60%). SCATTERED THUNDERSTORMS UNTIL 2400...THEN ISOLATED THUNDERSTORMS. MIN TEMPERATURE.....58-63. MAX HUMIDITY........80-90%. WIND (20 FT)........WEST WINDS 4-12 MPH. TRANSPORT WINDS.....SOUTH AROUND 12 MPH UNTIL 2400...THEN WEST 12-16 MPH. MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2000. SMOKE DISPERSAL.....GOOD UNTIL 2000. POOR AFTER 2100. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....82. MIN HUMIDITY........39%. WIND (20 FT)........EASTERLY 4-10 MPH. GUSTS TO 40 MPH NEAR THUNDERSTORMS. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......2200-3200 FT AGL UNTIL 1000. 9000-10000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1300...THEN FAIR UNTIL 1400...THEN POOR. HAINES INDEX........2 VERY LOW. EXPERIMENTAL FIRE WEATHER TABLE FOR DAKOTA RIDGE. +++ 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 08/04-04 50 10 65 60 W 7 2 241 W 7 1362 P 08/04-05 50 10 64 63 W 7 2 270 NW 6 1456 P 08/04-06 70 3 64 65 W 6 6 2 1 W 5 300 NW 6 1550 P 08/04-07 70 3 65 64 NW 5 1 1676 NW 6 5779 P 08/04-08 70 3 70 55 N 2 1 3052 N 5 10009 P 08/04-09 70 3 75 47 N 2 2 2 1 W 3 4428 N 3 14238 P 08/04-10 42 3 77 44 N 5 1 6200 N 2 11801 P 08/04-11 42 3 79 41 NE 7 1 7973 N 2 9364 P 08/04-12 43 40 82 38 E 8 8 2 4 W 7 9745 CALM 6927 P 08/04-13 43 40 67 62 E 7 4 9824 NE 3 31269 P 08/04-14 64 40 68 59 E 5 4 9903 E 7 55610 F 08/04-15 64 40 84 34 E 3 3 2 4 S 6 9982 SE 9 79952 G 08/04-16 64 40 81 39 NE 6 4 9718 SE 9 79803 G 08/04-17 64 40 79 79 N 8 4 9453 SE 9 79655 G 08/04-18 74 43 77 49 NW 10 10 2 4 SE20 9189 SE 10 79506 G 08/04-19 74 43 78 50 NW 10 4 7782 SE 8 60531 G 08/04-20 74 43 74 56 W 9 4 6374 S 7 41556 F 08/04-21 74 43 70 64 W 8 8 2 4 S22 4966 S 6 22580 P 08/04-22 74 43 68 69 W 8 4 3894 S 9 23639 P 08/04-23 74 43 68 66 W 8 4 2822 S 13 24697 P 08/05-00 50 15 68 64 SW 8 8 2 3 N 9 1749 S 17 25755 P 08/05-01 50 15 67 65 SW 8 3 1383 SW 14 18530 P 08/05-02 50 15 67 64 W 8 3 1016 W 10 11306 P 08/05-03 50 15 66 66 W 8 8 2 3 N 9 649 W 7 4081 P 08/05-04 50 15 65 67 W 8 3 742 W 7 4211 P 08/05-05 50 15 64 67 W 7 3 834 NW 6 4341 P 08/05-06 61 15 63 68 W 7 7 2 3 N13 927 NW 6 4471 P 08/05-07 61 15 64 66 W 5 3 1868 NW 7 12953 P 08/05-08 61 15 68 57 N 3 3 2809 N 8 21435 P 08/05-09 61 15 71 53 N 2 2 2 3 N 8 3750 N 9 29917 P 08/05-10 61 15 74 48 NE 3 3 5262 N 9 40498 F 08/05-11 61 15 76 45 NE 5 3 6773 N 9 51080 F 08/05-12 90 39 78 44 NE 6 6 2 4 N 3 8284 N 8 61661 G 08/05-13 90 39 79 42 NE 6 4 8924 N 7 49715 F 08/05-14 90 39 80 40 NE 5 4 9563 N 5 37769 P 08/05-15 90 39 81 39 NE 3 3 2 4 W 2 10202 N 3 25822 P 08/05-16 90 39 81 40 NE 2 4 10142 N 2 21545 P 08/05-17 90 39 81 42 NE 2 4 10083 N 2 17268 P 08/05-18 87 39 80 45 NE 2 2 2 4 W 7 10023 CALM 12991 P 08/05-19 87 39 78 48 E 2 4 8237 NW 2 12699 P 08/05-20 87 39 75 53 S 2 4 6452 SW 2 12406 P 08/05-21 87 39 72 58 SW 3 3 2 4 W13 4666 S 3 12114 P 08/05-22 87 39 70 60 SW 5 4 3241 SW 5 8777 P 08/05-23 87 39 69 61 SW 6 4 1816 SW 5 5440 P 08/06-00 32 4 66 64 SW 7 7 2 1 W16 391 SW 6 2103 P 08/06-01 32 4 64 67 SW 8 1 342 SW 7 1967 P 08/06-02 32 4 63 68 W 8 1 292 SW 7 1830 P 08/06-03 32 4 62 68 W 8 8 2 1 W17 243 SW 8 1694 P 08/06-04 32 4 61 67 W 8 1 247 SW 8 1685 P 08/06-05 32 4 61 66 W 9 1 252 W 8 1677 P 08/06-06 24 4 61 65 W 8 8 2 1 W17 256 W 8 1668 P 08/06-07 24 4 62 63 W 6 1 1666 W 8 12995 P 08/06-08 24 4 69 51 NW 3 1 3075 W 8 24321 P 08/06-09 24 4 74 43 CALM 1 2 1 W20 4484 W 9 35648 P 08/06-10 24 4 78 38 CALM 1 6145 W 10 54425 F 08/06-11 24 4 82 33 CALM 1 7807 W 10 73202 G 08/06-12 63 20 84 31 NE 2 2 2 3 W26 9468 W 12 91979 G 08/06-13 63 20 86 28 NE 3 3 10353 W 10 95344 G 08/06-14 63 20 87 26 NE 5 3 11237 W 10 98709 G 08/06-15 63 20 88 25 E 5 5 3 3 W20 12121 W 9 102073 V 08/06-16 63 20 88 25 E 5 3 11443 W 8 80167 G 08/06-17 63 20 88 26 E 3 3 10765 W 6 58261 F 08/06-18 67 20 86 28 SE 3 3 3 3 W14 10087 W 5 36355 P 08/06-19 67 20 84 30 SE 3 3 7063 W 5 25869 P 08/06-20 67 20 81 34 S 3 3 4039 SW 5 15383 P 08/06-21 67 20 77 38 SW 5 5 3 3 W13 1016 S 6 4897 P 08/06-22 67 20 75 40 SW 6 3 764 SW 7 3920 P 08/06-23 67 20 73 43 SW 7 3 513 SW 8 2942 P 08/07-00 32 7 70 46 W 8 8 3 1 W12 261 W 9 1964 P 08/07-01 32 7 67 49 W 9 1 227 W 9 1778 P 08/07-02 32 7 65 51 W 10 1 192 W 9 1591 P 08/07-03 32 7 64 52 W 10 16 4 1 SW14 157 W 10 1404 P 08/07-04 32 7 64 52 W 10 1 162 W 10 1430 P 08/07-05 32 7 63 52 W 10 1 167 W 10 1456 P 08/07-06 24 7 64 50 W 9 14 4 1 SW 9 171 W 10 1483 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 REQUESTED BY...ROCCO SNART REASON FOR REQUEST...WILDFIRE .TAG 20100803.DAKOT.02/BOU