FNUS75 KBOU 051926 FWSBOU SPOT FORECAST FOR DIPIERRE SAR UPPER BEAVER MEADOWS...USFS NATIONAL WEATHER SERVICE DENVER CO 120 PM MDT WED AUG 5 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL HIGH PRESSURE RIDGE REMAINS CENTERED OVER THE CENTRAL AND SOUTHERN ROCKY MOUNTAIN REGION TODAY. THE AIRMASS BENEATH THIS RIDGE WAS DRY AND QUITE WARM...ESPECIALLY WEST OF THE CONTINENTAL DIVIDE. FOR THE REMAINDER OF THIS AFTERNOON... EXPECT SKIES TO BECOME PARTLY TO MOSTLY CLOUDY AS TEMPERATURES WARM INTO THE 80S. AFTER 1400...AN ISOLATED WEAK THUNDERSTORM OR TWO MAY FORM ALONG THE CONTINENTAL DIVIDE AND DRIFT EAST OVER THE SEARCH AREA BETWEEN 1430-1730. AT THIS TIME THE MAIN THREAT FROM THESE STORMS WILL BE STRONG GUSTY WINDS AND OCCASIONAL CLOUD-TO-GROUND LIGHTNING. BY THIS EVENING...THIS WEAK STORM ACTIVITY SHOULD COME TO AN END BY AROUND SUNSET WITH CLEARING OVERNIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED GUSTY THUNDERSTORMS AFTER 1430. MAX TEMPERATURE.....79-86. MIN HUMIDITY........22-28%. 20-FOOT WINDS.......WEST-NORTHWEST 5-11 MPH. GUSTS TO 40 MPH WITH THE PASSING THUNDERSHOWERS. TRANSPORT WINDS.....WEST 12-16 MPH. MIXING HEIGHT.......11600-12600 FT AGL UNTIL 1700...THEN 10000 FT AGL. SMOKE DISPERSAL.....EXCELLENT UNTIL 1600. VERY GOOD AFTER 1700. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (50-60% UNTIL 2000...THEN PARTLY CLOUDY(30%). ISOLATED RAIN SHOWER OR THUNDERSTORM UNTIL 2000. MIN TEMPERATURE.....47-53. MAX HUMIDITY........49-58%. 20-FOOT WINDS.......SOUTHWEST 8-11 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN WEST 8-10 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......8600 FT AGL UNTIL 1900. 200-400 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%). WIDELY SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1230. MAX TEMPERATURE.....78-84. MIN HUMIDITY........26-31%. 20-FOOT WINDS.......SOUTHWEST 10-16 MPH. GUSTS TO 35 MPH WITH THE THUNDERSTORMS. TRANSPORT WINDS.....WEST 8-12 MPH UNTIL 1200...THEN SOUTHWEST 13-24 MPH. MIXING HEIGHT.......200-800 FT AGL UNTIL 1000. 9000-10000 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 14 MPH WITH GUSTS TO AROUND 35 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 14 MPH WITH GUSTS TO AROUND 30 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR DIPIERRE SAR UPPER BEAVER MEADOWS. +++ 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 08/05-12 66 20 72 24 N 8 8 2 3 W28 12509 W 17 183885 E 08/05-13 66 20 74 24 N 8 3 12613 W 16 177669 E 08/05-14 66 20 75 24 NW 9 3 12717 W 15 171453 E 08/05-15 78 20 76 24 NW 9 9 2 3 W18 12821 W 15 165237 E 08/05-16 78 20 77 24 W 9 3 11421 W 14 143194 V 08/05-17 78 20 76 25 SW 9 3 10021 W 14 121150 V 08/05-18 78 20 75 26 SW 9 9 2 3 W26 8621 W 13 99107 G 08/05-19 78 20 72 28 SW 8 3 5877 W 10 66774 G 08/05-20 78 20 69 33 SW 8 3 3134 SW 8 34441 P 08/05-21 59 20 65 38 S 7 7 2 3 W23 390 SW 6 2109 P 08/05-22 59 20 62 42 SW 6 3 318 SW 6 1689 P 08/05-23 59 20 60 46 SW 6 3 246 SW 6 1270 P 08/06-00 30 20 58 50 W 6 6 2 1 W17 175 SW 6 851 P 08/06-01 30 2 55 56 W 6 1 172 SW 6 938 P 08/06-02 30 2 53 58 W 6 1 170 W 7 1024 P 08/06-03 30 2 52 59 W 7 7 2 1 SW40 168 W 8 1111 P 08/06-04 30 2 51 60 W 8 1 163 W 8 1195 P 08/06-05 30 2 51 59 W 9 1 157 W 9 1279 P 08/06-06 30 0 49 60 W 10 10 2 1 W32 152 W 10 1364 P 08/06-07 30 0 50 60 W 9 1 419 W 10 3305 P 08/06-08 30 0 55 50 SW 7 1 637 W 9 4667 P 08/06-09 30 0 61 41 SW 6 6 2 1 W17 856 W 8 6030 P 08/06-10 30 0 67 34 SW 7 1 3122 W 8 25424 P 08/06-11 30 0 70 31 SW 8 1 5389 W 9 44819 F 08/06-12 30 20 72 29 SW 10 10 2 3 SW18 7655 W 9 64213 G 08/06-13 30 20 74 28 SW 12 3 8557 SW 14 108088 V 08/06-14 57 20 75 27 SW 12 3 9460 SW 17 151963 E 08/06-15 57 20 76 26 SW 13 13 2 3 SW32 10362 SW 22 195838 E 08/06-16 57 20 76 26 SW 14 3 10048 SW 25 214477 E 08/06-17 57 20 76 26 SW 15 3 9734 SW 28 233116 E 08/06-18 57 25 74 32 SW 10 10 2 3 SW22 9273 SW 20 158831 E 08/06-19 57 25 72 36 SW 9 3 8229 SW 21 145255 V 08/06-20 57 25 69 42 S 8 3 7186 W 22 131680 V 08/06-21 57 25 65 49 S 7 7 2 3 SW29 6143 W 22 118104 V 08/06-22 57 25 63 53 SW 7 3 4491 SW 20 83878 G 08/06-23 57 25 61 58 SW 6 3 2839 SW 17 49652 F 08/07-00 33 0 59 64 SW 6 6 2 1 W35 1187 SW 15 15426 P 08/07-01 33 0 56 70 SW 7 1 927 SW 14 11702 P 08/07-02 33 0 54 73 SW 7 1 666 SW 13 7978 P 08/07-03 33 0 53 74 SW 8 8 2 1 SW37 406 SW 12 4254 P 08/07-04 33 0 53 73 SW 12 1 413 SW 13 4769 P 08/07-05 33 0 52 72 W 14 1 421 SW 15 5284 P 08/07-06 33 0 53 69 W 15 24 2 1 SW39 428 W 16 5799 P 08/07-07 33 0 54 65 SW 13 1 2461 SW 20 52612 F 08/07-08 33 0 59 53 SW 9 1 4494 SW 22 99425 G 08/07-09 33 0 64 43 SW 8 8 2 1 SW40 6526 SW 25 146238 V 08/07-10 33 0 69 37 SW 9 1 8152 SW 28 196059 E 08/07-11 33 0 72 33 SW 13 1 9778 SW 29 245881 E 08/07-12 33 20 74 30 SW 16 25 2 3 SW41 11404 SW 30 295702 E 08/07-13 33 20 76 27 SW 18 3 12111 SW 31 325131 E 08/07-14 61 20 77 24 SW 20 3 12819 SW 32 354560 E 08/07-15 61 20 78 22 SW 21 33 3 3 SW43 13527 SW 32 383989 E 08/07-16 61 20 78 21 SW 21 3 13453 SW 32 383037 E 08/07-17 61 20 78 21 SW 20 3 13379 SW 33 382085 E 08/07-18 61 20 76 21 SW 18 30 3 3 SW44 13305 SW 33 381132 E 08/07-19 61 20 73 23 SW 17 3 11300 SW 31 315325 E 08/07-20 61 20 69 27 SW 16 3 9296 SW 30 249519 E 08/07-21 61 20 65 33 SW 14 22 3 3 SW53 7291 SW 29 183712 E 08/07-22 61 20 63 37 SW 13 3 5229 SW 25 128190 V 08/07-23 61 20 60 41 W 12 3 3167 SW 22 72669 G 08/08-00 22 0 57 47 W 10 10 3 1 SW63 1105 SW 18 17147 P 08/08-01 22 0 54 52 W 10 1 901 W 16 13425 P 08/08-02 22 0 52 54 W 10 1 696 W 15 9704 P 08/08-03 22 0 51 55 W 10 10 3 1 SW54 491 W 14 5982 P 08/08-04 22 0 50 54 W 12 1 734 W 14 9162 P 08/08-05 22 0 49 53 W 12 1 977 W 15 12341 P 08/08-06 22 0 50 51 W 13 13 3 1 W46 1220 W 15 15520 P 08/08-07 22 0 51 48 W 14 1 3181 W 18 61561 G 08/08-08 22 0 57 40 W 15 1 5141 SW 22 107602 V 08/08-09 22 0 62 33 W 15 24 3 1 SW45 7101 SW 25 153643 E 08/08-10 22 0 66 28 W 16 1 8422 SW 25 189225 E 08/08-11 22 0 70 25 W 17 1 9743 SW 26 224807 E 08/08-12 47 5 72 22 W 17 28 3 1 SW44 11064 SW 28 260390 E 08/08-13 47 5 74 21 W 17 1 12225 SW 28 293024 E 08/08-14 47 5 75 20 W 17 1 13386 SW 28 325659 E 08/08-15 47 5 76 20 W 17 28 4 1 SW35 14547 SW 29 358293 E 08/08-16 47 5 77 20 W 16 1 14879 SW 28 354672 E 08/08-17 47 5 76 20 W 16 1 15211 SW 26 351050 E 08/08-18 47 5 74 22 W 15 24 5 1 SW25 15543 SW 25 347429 E 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...BAKER WFO BOULDER REQUESTED BY...RANGER BROUWER REASON FOR REQUEST...SAR .TAG 20090805.DIPIE.02/BOU