FNUS75 KBOU 031956 FWSBOU SPOT FORECAST FOR DAKOTA RIDGE WF...JEFFERSON COUNTY SHERIFF NATIONAL WEATHER SERVICE DENVER CO 155 PM MDT TUE AUG 3 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AREA OF THUNDERSTORMS DEVELOPING ACROSS CENTRAL JEFFERSON COUNTY WILL BE MOVING ACROSS THE AREA BY 1500. WATCH OUT FOR CLOUD TO GROUND LIGHTNING AND GUSTY ERRATIC OUTFLOW WINDS WITH THESE STORMS. WETTING RAINS POSSIBLE WITH THE STORMS. THE CHANCE FOR STORMS WILL CONTINUE THROUGH THE EVENING BEFORE DECREASING BY MIDNIGHT. A WEAK DISTURBANCE WILL MOVE ACROSS SOUTHERN COLORADO OVERNIGHT WHICH WILL KEEP A SLIGHT CHANCE FOR STORMS ACROSS THE AREA. SURFACE WINDS WILL GENERALLY BE LIGHT...BECOMING WESTERLY AFTER 2100. HOWEVER WINDS WILL BE GUSTY NEAR THE STORMS. ON WEDNESDAY...A FRONT IS EXPECTED TO MOVE ACROSS THE AREA BY 1200...WITH WINDS SHIFTING TO THE EAST. SOME STORMS ARE POSSIBLE...MAINLY DURING THE AFTERNOON. AGAIN...GUSTY OUTFLOW WINDS CAN BE EXPECTED WITH THE STORMS. TEMPERATURES WILL BE SLIGHTLY COOLER ON WEDNESDAY WITH SLIGHTLY HIGHER HUMIDITY. CONDITIONS WILL BE SLIGHTLY DRIER THURSDAY AND FRIDAY AS THE BULK OF THE MOISTURE GETS SHIFTED SOUTH OF THE AREA. TEMPERATURES WILL BEGIN TO WARM WITH LOWERING HUMIDITY. STILL A CHANCE FOR SOME AFTERNOON STORMS THOUGH THE THREAT SHOULD DECREASE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. MAX TEMPERATURE.....85-87. MIN HUMIDITY........30-35%. WIND (20 FT)........EAST 5-10 MPH. GUSTS TO 40 MPH POSSIBLE NEAR THE STORMS. TRANSPORT WINDS.....SOUTHWEST TO WEST AROUND 5 MPH. MIXING HEIGHT.......7400-8400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(50-60%). SCATTERED THUNDERSTORMS UNTIL 2400...THEN A SLIGHT CHANCE FOR THUNDERSTORMS. MIN TEMPERATURE.....60-65. MAX HUMIDITY........60-65%. WIND (20 FT)........SOUTHEAST 5-10 MPH BECOMING WEST 8-13 MPH AFTER 2100. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 2000. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200...THEN MOSTLY CLOUDY. SLIGHT CHANCE FOR THUNDERSTORMS UNTIL 1200...THEN A CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....80-85. MIN HUMIDITY........32-37%. WIND (20 FT)........WEST 4-8 MPH UNTIL 1100 THEN EAST 8-12 MPH. GUSTS TO 40 MPH POSSIBLE NEAR THE STORMS. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......9200-10000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. 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 08/03-13 64 36 83 42 N 8 4 8630 W 3 26290 P 08/03-14 64 36 84 40 N 8 4 8795 SW 3 28607 P 08/03-15 73 36 84 40 N 8 8 2 4 SW22 8960 SW 3 30924 P 08/03-16 73 36 85 41 N 8 4 7732 W 5 30148 P 08/03-17 73 36 84 44 NW 9 4 6504 W 6 29372 P 08/03-18 71 41 83 47 NW 9 14 2 4 SW17 5275 W 6 28596 P 08/03-19 71 41 81 49 NW 9 4 3903 W 7 21258 P 08/03-20 71 41 78 52 W 8 4 2531 W 7 13921 P 08/03-21 71 41 74 55 SW 8 8 2 4 W13 1159 W 7 6583 P 08/03-22 71 41 72 57 W 8 4 939 W 7 5324 P 08/03-23 71 41 70 58 W 9 4 718 W 7 4065 P 08/04-00 50 10 68 60 W 9 14 2 2 NW 6 497 W 7 2805 P 08/04-01 50 10 66 62 W 9 2 469 W 7 2640 P 08/04-02 50 10 64 63 W 9 2 441 W 7 2475 P 08/04-03 50 10 63 63 W 8 8 2 2 N 3 413 W 7 2310 P 08/04-04 50 10 63 62 W 7 2 369 W 6 1961 P 08/04-05 50 10 62 62 W 7 2 325 W 6 1611 P 08/04-06 58 10 63 61 W 6 6 2 2 N 9 281 W 5 1262 P 08/04-07 58 10 65 57 W 3 2 1504 W 5 5253 P 08/04-08 58 10 70 52 N 2 2 2726 NW 5 9244 P 08/04-09 58 10 74 47 N 2 2 2 2 N 6 3949 N 3 13234 P 08/04-10 58 10 77 42 N 3 2 5882 N 3 17143 P 08/04-11 58 10 79 39 NE 7 2 7578 N 3 20197 P 08/04-12 78 35 81 36 NE 9 9 2 4 W 7 9275 N 3 23251 P 08/04-13 78 35 82 34 NE 10 4 9539 N 2 20876 P 08/04-14 78 35 83 32 NE 10 4 9802 NE 2 18500 P 08/04-15 78 35 84 31 NE 9 9 2 4 W 8 10066 NE 2 16125 P 08/04-16 78 35 84 30 E 7 4 9848 E 2 16866 P 08/04-17 78 35 84 30 S 5 4 9630 S 2 17607 P 08/04-18 78 35 83 31 SW 3 3 2 4 W 8 9374 SW 5 33962 P 08/04-19 78 35 81 34 SW 7 4 08/04-20 78 35 78 39 SW 9 4 08/04-21 78 35 74 44 SW 10 16 2 4 N 2 5249 S 9 41286 F 08/04-22 78 35 73 49 SW 10 4 08/04-23 78 35 71 54 SW 9 4 08/05-00 62 10 69 59 SW 8 8 2 2 S 2 1753 SW 9 13920 P 08/05-01 62 10 66 65 SW 7 2 08/05-02 62 10 65 68 W 7 2 08/05-03 62 10 64 69 W 6 6 2 2 W 2 339 W 5 1322 P 08/05-04 62 10 63 70 W 5 2 08/05-05 62 10 63 70 W 5 2 08/05-06 62 10 63 68 W 3 3 2 2 W 5 411 W 2 749 P 08/05-07 62 10 64 66 SW 3 2 08/05-08 62 10 68 57 S 3 2 08/05-09 62 10 72 50 SE 3 3 2 2 NW10 4125 NW 3 13477 P 08/05-10 62 10 76 45 SE 5 2 08/05-11 62 10 78 42 E 6 2 08/05-12 73 24 80 40 E 6 6 2 3 NW12 7615 N 3 24382 P 08/05-13 73 24 81 37 E 5 3 08/05-14 73 24 82 36 E 5 3 08/05-15 73 24 83 35 E 3 3 2 3 NW 8 9713 NW 2 20807 P 08/05-16 73 24 83 34 SE 3 3 08/05-17 73 24 83 34 S 5 3 08/05-18 73 24 82 34 SW 5 5 2 3 W 8 9459 W 2 20035 P 08/05-19 73 24 80 36 SW 5 3 08/05-20 73 24 78 40 SW 6 3 08/05-21 73 24 75 44 SW 6 6 2 3 W10 3951 SW 2 7788 P 08/05-22 73 24 73 46 SW 6 3 08/05-23 73 24 72 48 SW 6 3 08/06-00 42 5 70 50 SW 6 6 2 1 W14 406 SW 6 2079 P 08/06-01 42 5 68 53 SW 6 1 08/06-02 42 5 66 54 SW 5 1 08/06-03 42 5 66 54 SW 5 5 2 1 W17 271 SW 6 1284 P 08/06-04 42 5 65 54 SW 5 1 08/06-05 42 5 65 53 SW 5 1 08/06-06 42 5 65 52 SW 5 5 2 1 08/06-07 42 5 66 51 SW 5 1 08/06-08 42 5 70 44 SW 5 1 08/06-09 42 0 75 39 SW 5 5 2 1 08/06-10 42 0 78 35 S 5 1 08/06-11 42 0 81 33 E 6 1 08/06-12 61 15 82 31 E 6 6 2 3 08/06-13 61 15 84 29 NE 7 3 08/06-14 61 15 85 28 NE 8 3 08/06-15 61 15 85 27 NE 8 8 2 3 08/06-16 61 15 86 27 N 8 3 08/06-17 61 15 85 28 N 7 3 08/06-18 61 15 84 30 NW 7 7 2 3 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...LESZCYNSKI...WFO BOULDER REQUESTED BY...ROCCO SNART REASON FOR REQUEST...WILDFIRE .TAG 20100803.DAKOT.01/BOU