FNUS75 KBOU 241647 FWSBOU SPOT FORECAST FOR WINTERSTEEN WF...USFS NATIONAL WEATHER SERVICE DENVER CO 1045 AM MDT FRI JUL 24 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... STABLE HIGH PRESSURE WILL CONTINUE TO DOMINATE THE REGION TODAY WITH THE LOWER LEVELS OF THE ATMOSPHERE REMAINING FAIRLY DRY. A COLD FRONT WILL MOVE INTO NORTHERN COLORADO AFTER 9PM. THERE WILL BE A SLIGHT CHANCE FOR THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON AND EARLY EVENING. THUNDERSTORMS ARE EXPECTED TO BE HIGH BASED OVER THE MOUNTAINS AND FOOTHILLS WITH GUSTY WINDS BEING THE PRIMARY THREAT. TEMPERATURE WILL BE COOLER SATURDAY BEHIND THE COLD FRONT WITH COOL EASTERLY FLOW OVER THE AREA AND HIGHER HUMIDITIES EXPECTED. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS AFTER 1400. MAX TEMPERATURE.....86-91. MIN HUMIDITY........10-15%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1500...THEN EAST 8-13 MPH WITH GUSTS TO 25 MPH NEAR THUNDERSTORMS. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......200-1200 FT AGL UNTIL 1000. 13800-14800 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1700. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS. MIN TEMPERATURE.....53-58. MAX HUMIDITY........75-83%. 20-FOOT WINDS.......EAST 8-14 MPH WITH GUSTS TO AROUND 25 MPH NEAR THUNDERSTORMS SHIFTING TO THE NORTH NORTHWEST AFTER 2100. TRANSPORT WINDS.....NORTH 4-12 MPH. MIXING HEIGHT.......14000 FT AGL UNTIL 1900. 200 FT AGL AFTER 2100. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....78-82. MIN HUMIDITY........25-30%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1500...THEN SOUTHEAST AT 8-12 MPH. TRANSPORT WINDS.....NORTH UP TO 4 MPH UNTIL 1200...THEN EAST 4-8 MPH. MIXING HEIGHT.......400-1400 FT AGL UNTIL 0800. 8000-9000 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 0600...THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 8 MPH. .TUESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0600...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WINTERSTEEN. +++ 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 07/24-10 17 0 81 31 CALM 1 4963 W 6 39509 P 07/24-11 17 0 83 28 N 2 1 8798 NW 8 75594 G 07/24-12 48 12 87 23 N 3 3 5 2 NW14 12632 NW 10 111678 V 07/24-13 48 12 87 23 N 3 2 13438 NW 9 112403 V 07/24-14 48 12 90 21 NE 2 2 14244 NW 9 113128 V 07/24-15 48 12 90 21 NE 3 3 6 2 NW12 15050 NW 9 113853 V 07/24-16 48 12 89 21 NE 8 2 14704 NW 10 127260 V 07/24-17 48 12 89 22 N 13 2 14358 NW 12 140667 V 07/24-18 52 19 88 23 N 16 25 4 2 N 9 14012 NW 13 154074 E 07/24-19 52 19 86 27 N 15 2 9411 NW 12 103250 V 07/24-20 52 19 78 37 NW 12 2 4810 NW 10 52426 F 07/24-21 52 19 72 49 NW 9 9 4 2 NW14 210 NW 9 1602 P 07/24-22 52 19 66 61 NW 8 2 192 NW 8 1331 P 07/24-23 52 19 62 67 NW 8 2 174 N 7 1060 P 07/25-00 58 10 60 70 NW 8 8 3 2 NW 8 156 N 6 790 P 07/25-01 58 10 59 74 NW 8 2 168 N 6 767 P 07/25-02 58 10 58 76 N 7 2 180 NE 5 744 P 07/25-03 58 10 56 80 N 7 7 3 2 W13 192 NE 5 721 P 07/25-04 58 10 54 83 NW 7 2 203 N 3 515 P 07/25-05 58 10 54 80 NW 6 2 213 N 2 309 P 07/25-06 61 5 54 74 NW 6 6 3 1 NW17 224 CALM 103 P 07/25-07 61 5 57 69 N 5 1 1622 CALM 3754 P 07/25-08 61 5 65 51 NE 5 1 2937 N 2 7250 P 07/25-09 61 5 72 42 NE 3 3 2 1 W18 4251 N 3 10746 P 07/25-10 61 5 73 41 NE 5 1 5550 N 3 21882 P 07/25-11 61 5 77 37 E 6 1 6848 NW 5 33017 P 07/25-12 69 25 78 35 E 6 6 2 4 W22 8147 W 6 44153 F 07/25-13 69 25 80 33 E 5 4 8484 W 7 49614 F 07/25-14 69 25 81 32 E 5 4 8820 W 7 55075 F 07/25-15 69 25 82 32 E 3 3 2 4 W21 9157 W 8 60536 G 07/25-16 69 25 82 32 E 6 4 8584 W 7 50679 F 07/25-17 69 25 82 33 E 8 4 8012 W 6 40821 F 07/25-18 69 30 80 34 E 10 10 2 4 W20 7439 W 5 30964 P 07/25-19 69 30 78 38 SE 9 4 6052 W 5 24828 P 07/25-20 69 30 74 43 S 8 4 4666 S 5 18692 P 07/25-21 69 30 69 51 S 6 6 2 4 NW14 3280 S 5 12556 P 07/25-22 69 30 66 56 S 5 4 2441 S 5 9383 P 07/25-23 69 30 65 60 SW 3 4 1603 S 5 6211 P 07/26-00 51 20 62 65 SW 2 2 2 3 N 7 764 S 5 3038 P 07/26-01 51 20 60 70 W 3 3 588 S 5 2282 P 07/26-02 51 20 58 73 W 5 3 412 SW 5 1526 P 07/26-03 51 20 57 76 W 5 5 2 3 N 9 235 SW 3 770 P 07/26-04 51 20 56 78 W 5 3 227 W 3 613 P 07/26-05 51 20 55 78 NW 3 3 218 W 2 456 P 07/26-06 51 10 56 76 NW 2 2 2 1 N12 209 CALM 299 P 07/26-07 51 10 58 72 W 3 1 695 CALM 1027 P 07/26-08 51 10 63 59 W 3 1 1180 CALM 1756 P 07/26-09 51 10 69 50 SW 5 5 2 1 NW12 1666 CALM 2484 P 07/26-10 51 10 73 43 SW 5 1 3718 SE 2 8717 P 07/26-11 51 10 77 39 W 5 1 5771 NE 2 14951 P 07/26-12 59 30 79 37 W 5 5 2 4 NW12 7823 N 3 21184 P 07/26-13 59 30 80 35 W 6 4 8764 NE 3 27596 P 07/26-14 59 30 82 34 NW 8 4 9705 NE 3 34009 P 07/26-15 59 30 82 34 NW 9 9 2 4 NE10 10647 E 5 40421 F 07/26-16 59 30 83 34 NW 9 4 10347 E 5 42898 F 07/26-17 59 30 82 35 N 9 4 10047 SE 6 45375 F 07/26-18 59 30 80 37 N 9 9 2 4 SE10 9747 S 6 47852 F 07/26-19 59 30 78 30 S 8 4 7653 S 8 44258 F 07/26-20 59 30 74 34 SW 8 4 5560 SW 10 40665 F 07/26-21 59 30 69 40 SW 7 7 2 4 NE 9 3466 SW 13 37072 P 07/26-22 59 30 66 44 W 7 4 2601 W 12 27460 P 07/26-23 59 30 64 47 NW 7 4 1736 W 12 17848 P 07/27-00 50 10 62 51 NW 6 6 2 2 NW 9 870 W 10 8237 P 07/27-01 50 10 59 55 NW 7 2 669 W 10 6112 P 07/27-02 50 10 57 58 NW 7 2 467 NW 9 3988 P 07/27-03 50 10 56 61 NW 7 7 2 2 N15 266 NW 8 1863 P 07/27-04 50 10 55 63 NW 7 2 257 NW 8 1852 P 07/27-05 50 10 54 63 NW 8 2 249 NW 8 1840 P 07/27-06 50 10 55 62 NW 8 8 2 2 N22 240 NW 9 1829 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...FREDIN/SZOKE...WFO BOULDER REQUESTED BY...GARY BATCHELDER REASON FOR REQUEST...WILDFIRE .TAG 20090724.WINTE.01/BOU