FNUS75 KBOU 241116 FWSBOU SPOT FORECAST FOR HELICOPTER TRAINING UBM...USFS NATIONAL WEATHER SERVICE DENVER CO 516 AM MDT MON SEP 24 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MOISTURE WILL BE INCREASING OVER NORTHERN COLORADO AS AN UPPER LEVEL LOW MOVES OVER NORTHERN UTAH. HIGH CEILINGS THIS MORNING WILL GRADUALLY DECREASE THROUGH THE AFTERNOON AS RAIN SHOWERS AND A FEW EMBEDDED THUNDERSTORMS DEVELOP. THE AIRMASS WILL ONLY BE SLIGHTLY UNSTABLE DURING THE AFTERNOON AND EARLY EVENING. WINDS SHOULD GENERALLY BE WEAK EXCEPT NEAR SHOWERS THAT DEVELOP DURING THE AFTERNOON AND EVENING HOURS. COOLER TEMPERATURES AND MORE RAIN SHOWERS ARE EXPECTED TUESDAY AS THE UPPER LOW MOVES OVER THE STATE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....62-67. MIN HUMIDITY........28-36%. 20-FOOT WINDS.......WEST WINDS 9-15 MPH. GUSTS UP TO 20 MPH EARLY IN THE MORNING. TRANSPORT WINDS.....WEST 24-28 MPH UNTIL 1200...THEN 12-20 MPH. MIXING HEIGHT.......3600-4600 FT AGL UNTIL 1000. 9200-10200 FT AGL AFTER 1200. SMOKE DISPERSAL.....FAIR UNTIL 0700...THEN GOOD UNTIL 0800...THEN VERY GOOD UNTIL 1100...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400...THEN SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....38-44. MAX HUMIDITY........70-80%. 20-FOOT WINDS.......WEST WINDS 5-6 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2400...THEN WEST 6-7 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......7800 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2400. SMOKE DISPERSAL.....GOOD UNTIL 2000...THEN FAIR UNTIL 2100...THEN POOR. HAINES INDEX........2 VERY LOW. .TUESDAY... SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....52-58. MIN HUMIDITY........52-60%. 20-FOOT WINDS.......SOUTHWEST WINDS 6-7 MPH UNTIL 1200...THEN SOUTHEAST AROUND 5 MPH UNTIL 1500...THEN UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTH 4-8 MPH UNTIL 1200...THEN SOUTHEAST AROUND 8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 4800-5800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0700. FAIR AFTER 1700. HAINES INDEX........2 VERY LOW. FIRE WEATHER TABLE FOR HELICOPTER TRAINING UBM. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT 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 09/24-05 66 10 2 46 66 W13 17 2 1 W25 1932 W21 39088 P 09/24-06 78 14 3 47 63 W13 17 2 1 W29 2683 W24 55792 F 09/24-07 78 14 3 46 62 W13 18 2 1 W30 3517 W25 80957 G 09/24-08 78 14 3 49 54 W13 18 2 1 W31 4351 W28 106123 V 09/24-09 78 14 3 53 45 W13 17 2 1 NW31 5186 W29 131289 V 09/24-10 78 14 3 58 37 W12 17 2 1 NW32 6609 W26 148448 V 09/24-11 78 14 3 61 33 W12 12 2 1 W33 8032 W24 165607 E 09/24-12 82 26 6 63 31 W10 10 2 4 W32 9455 W22 182766 E 09/24-13 82 26 6 64 32 W10 10 2 4 W30 9831 W21 172733 E 09/24-14 82 26 6 65 34 W10 10 2 4 W26 10206 W18 162700 E 09/24-15 82 30 9 65 36 W10 10 2 4 W23 10582 W16 152668 E 09/24-16 82 30 9 64 35 W 9 9 2 4 W21 9665 W15 130317 V 09/24-17 82 30 9 63 35 W 7 7 2 4 W18 8747 W14 107966 V 09/24-18 90 24 5 60 37 W 6 6 2 3 W16 7830 W13 85615 G 09/24-19 90 24 5 55 44 W 5 5 2 3 W13 6282 W12 64440 G 09/24-20 90 24 5 51 51 W 3 3 2 3 W10 4734 W 9 43265 F 09/24-21 90 24 5 48 58 W 2 2 2 3 W 8 3186 W 8 22090 P 09/24-22 90 24 5 46 61 W 2 2 2 3 W 8 2395 W 8 16641 P 09/24-23 90 24 5 45 64 W 3 3 2 3 W 9 1603 W 8 11193 P 09/25-00 89 22 4 44 65 W 5 5 2 1 SW10 812 W 8 5744 P 09/25-01 89 22 4 43 68 W 5 5 2 1 SW13 822 W 9 6608 P 09/25-02 89 22 4 43 70 W 6 6 2 1 SW14 833 W10 7472 P 09/25-03 89 22 4 42 71 W 6 6 2 1 SW15 843 W12 8336 P 09/25-04 89 22 4 41 73 W 6 6 2 1 SW15 787 W10 6852 P 09/25-05 89 22 4 41 73 W 7 7 2 1 SW16 732 W 8 5369 P 09/25-06 87 43 20 41 74 W 7 7 2 1 SW15 677 W 7 3885 P 09/25-07 87 43 20 40 77 W 7 7 2 1 SW14 1892 SW 6 7520 P 09/25-08 87 43 20 42 73 W 6 6 2 1 S12 3107 S 5 11154 P 09/25-09 87 43 20 46 68 W 5 5 2 1 S 8 4321 S 3 14789 P 09/25-10 87 43 20 49 62 SW 5 5 2 1 S 8 4789 S 6 23295 P 09/25-11 87 43 20 51 58 SE 5 5 2 1 S 9 5257 S 7 31802 P 09/25-12 96 51 27 53 57 E 5 5 2 4 S12 5725 SE 8 40309 F 09/25-13 96 51 27 53 57 SE 5 5 2 4 S14 5778 SE 8 41473 F 09/25-14 96 51 27 54 56 SE 3 3 2 4 SE16 5831 SE 8 42638 F 09/25-15 96 51 27 54 57 SE 3 3 2 4 SE18 5884 SE 8 43803 F 09/25-16 96 51 27 53 58 SE 3 3 2 4 SE16 5781 SE 9 45440 F 09/25-17 96 51 27 53 59 SE 3 3 2 4 SE14 5677 SE 9 47077 F 09/25-18 92 51 27 51 63 SE 3 3 2 4 SE13 5574 SE10 48715 F 09/25-19 92 51 27 47 70 SE 3 3 2 4 SE13 4785 SE10 42228 F 09/25-20 92 51 27 45 77 S 3 3 2 4 SE14 3997 SE10 35742 P 09/25-21 92 51 27 42 82 S 3 3 2 4 SE15 3209 SE10 29255 P 09/25-22 92 51 27 41 83 S 3 3 2 4 SE15 2841 SE 9 23528 P 09/25-23 92 51 27 41 84 SW 3 3 2 4 SE14 2473 S 8 17801 P 09/26-00 84 51 27 40 84 SW 3 3 2 1 SE13 2105 S 7 12074 P 09/26-01 84 51 27 39 86 SW 2 2 2 1 SE12 1941 S 7 10808 P 09/26-02 84 51 27 39 87 SW 2 2 2 1 SE12 1777 S 6 9541 P 09/26-03 84 51 27 39 88 CALM 1 2 1 SE10 1613 S 6 8274 P 09/26-04 84 51 27 39 88 CALM 1 2 1 SE 8 1645 S 6 7950 P 09/26-05 84 51 27 39 89 CALM 1 2 1 SE 7 1678 S 6 7625 P 09/26-06 81 45 22 39 90 CALM 1 2 1 SE 6 1710 S 5 7300 P 09/26-07 81 45 22 38 91 CALM 1 2 1 SE 8 2576 S 5 11753 P 09/26-08 81 45 22 41 83 S 2 2 2 1 SE 9 3442 S 6 16205 P 09/26-09 81 45 22 45 73 SE 2 2 2 1 E12 4308 S 6 20657 P 09/26-10 81 45 22 49 63 SE 2 2 2 1 SE13 4820 S 6 25753 P 09/26-11 81 45 22 52 57 SE 2 2 2 1 SE13 5333 SW 7 30850 P 09/26-12 79 46 23 53 55 S 2 2 2 2 SE13 5845 SW 7 35946 P 09/26-13 79 46 23 54 54 SE 3 3 2 2 SE 9 5940 SW 6 31887 P 09/26-14 79 46 23 54 54 SE 5 5 2 2 SW 5 6035 SW 6 27829 P 09/26-15 79 46 23 54 55 SE 5 5 2 2 CALM 6130 SW 5 23770 P 09/26-16 79 46 23 54 57 SE 5 5 2 2 CALM 5952 SW 6 29372 P 09/26-17 79 46 23 53 59 SE 3 3 2 2 W 2 5774 SW 7 34975 P 09/26-18 71 27 7 51 62 SE 2 2 2 1 W 5 5596 SW 8 40577 F 09/26-19 71 27 7 47 70 SE 2 2 2 1 W 6 4273 SW 8 30579 P 09/26-20 71 27 7 44 75 S 2 2 2 1 W 7 2951 SW 8 20581 P 09/26-21 71 27 7 41 77 S 2 2 2 1 W 9 1629 SW 7 10583 P 09/26-22 71 27 7 40 76 S 2 2 2 1 W12 1316 SW 8 8645 P 09/26-23 71 27 7 39 74 SW 3 3 2 1 W14 1004 SW 8 6706 P 09/27-00 54 17 3 39 73 SW 3 3 2 1 W15 691 SW 8 4767 P 09/27-01 54 17 3 38 74 SW 3 3 2 1 W16 557 SW 7 3688 P 09/27-02 54 17 3 38 75 SW 3 3 2 1 W17 424 SW 7 2609 P 09/27-03 54 17 3 38 75 W 5 5 2 1 W16 290 SW 6 1530 P 09/27-04 54 17 3 38 76 W 5 5 2 1 W15 270 SW 6 1387 P 09/27-05 54 17 3 38 77 W 5 5 2 1 W14 250 W 6 1243 P 09/27-06 48 24 5 38 78 W 5 5 2 1 W12 231 W 6 1099 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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 $$ DANKERS...WFO BOULDER REQUESTED BY...BROUWER REASON FOR REQUEST...SAR .TAG 20120923.HELIC.02/BOU