609 FNUS75 KBOU 071555 AAA FWSBOU WRKAGF SPOT FORECAST FOR GILSON GULCH...COUNTY NATIONAL WEATHER SERVICE DENVER/BOULDER CO 850 AM MST FRI NOV 7 2014 ...UPDATED REST OF TODAY AND EVENING PORTIONS OF FORECAST... FORECAST IS BASED ON REQUEST TIME OF 0727 MST ON NOVEMBER 07. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...GUSTY PRE-FRONTAL WINDS WILL DEVELOP AND SPREAD OVER CLEAR CREEK AND GILPIN COUNTIES THROUGH THE MORNING. A FAST MOVING COLD FRONT NEARING THE COLORADO-WYOMING BORDER AT HIS TIME IS EXPECTED TO PUSH SOUTH INTO NORTHEAST COLORADO AND SOUTHWARD ALONG THE FRONT RANGE LATE THIS MORNING AND EARLY THIS AFTERNOON. AS THIS FRONT NEARS THE FIRE AREA... EXPECT GUSTY WEST-NORTHWEST WINDS TO DEVELOP POSSIBLY REACHING SPEEDS IN THE 25-35 MPH RANGE. ONCE THIS FRONT PASSING BY...EXPECT WINDS TO TURN MORE NORTHWESTERLY AS THEY DECREASE IN SPEED...THEN NORTH-NORTHEASTERLY. THIS WILL CAUSE A GRADUAL INCREASE IN HUMIDITY AND A LOWERING IN TEMPERATURES. MEANWHILE THE THICK MOUNTAIN WAVE CLOUD OVER THE AREA AT THE PRESENT TIME WILL GRADUALLY THIN AS IT MOVES AWAY FROM THE FRONT RANGE THIS AFTERNOON. HOWEVER WITH WINDS BECOMING UPSLOPE/UPVALLEY LATE THIS AFTERNOON AND EARLY EVENING LOOK FOR CLOUDS OVER AND ALONG THE FRONT RANGE TO LOWER AND THICKEN AND A FEW SPRINKLES OR FLURRIES DURING THE EVENING HOURS. WIND SPEEDS ARE EXPECTED EASE AND RETURN TO THEIR TYPICAL DRAINAGE PATTERN AFTER MIDNIGHT TONIGHT TOGETHER WITH GRADUAL CLEARING. .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1300...THEN BECOMING PARTLY CLOUDY (40-50%). MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........16-19%. WIND (20 FT)........VARIABLE 4-9 MPH UNTIL 0900...THEN WEST-NORTHWEST 11-19 MPH WITH GUSTS TO 35 MPH... BECOMING NORTHWESTERLY 10-20 MPH AFTER 1300...THEN NORTH- NORTHEASTERLY 8-14 MPH AFTER 1600. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........5 MODERATE. MIXING HEIGHT.......2400-3400 FT AGL UNTIL 1100...THEN 5300-6000 FT AGL. TRANSPORT WINDS.....WEST 25-35 MPH UNTIL 1100...THEN NORTHWEST 35-40 MPH. SMOKE DISPERSAL.....FAIR UNTIL 0900...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY(66-75%) UNTIL 2200...THEN PARTLY CLOUDY(50-60%) UNTIL 0200...THEN MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SPRINKLES OR SNOW FLURRIES UNTIL 2100. MIN TEMPERATURE.....AROUND 24-28. MAX HUMIDITY........83-88%. WIND (20 FT)........NORTH-NORTHEAST WINDS 8-14 MPH UNTIL 2000...THEN DOWNSLOPE/DOWNVALLEY 3-8 MPH. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. MIXING HEIGHT.......3400-4400 FT AGL UNTIL 2100. 1500 FT AGL AFTER 0400. TRANSPORT WINDS.....NORTHWEST 15-25 MPH UNTIL 2300...THEN AROUND 10 MPH. SMOKE DISPERSAL.....VERY GOOD UNTIL 1800. POOR AFTER 2000. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........20%. WIND (20 FT)........WEST WINDS 8-9 MPH. GUSTS UP TO 20 MPH LATE IN THE AFTERNOON. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........5 MODERATE. MIXING HEIGHT.......3000-4000 FT AGL. TRANSPORT WINDS.....WEST 10-20 MPH UNTIL 1100...THEN 20-25 MPH. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1200...THEN GOOD UNTIL 1600...THEN FAIR. FIRE WEATHER TABLE FOR GILSON GULCH. +++ 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. FEEDBACK WELCOME. +++ FORECAST SC PP WR AT RH 20-FT G H L 15KFT MIXG TRANS VENTL AJTV VALID AT % % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 11/07-08 61 0 0 46 26 W 13 13 5 1 WNW 41 2081 W 26 48365 F 11/07-09 68 0 0 48 26 W 15 24 5 1 WNW 46 2637 W 36 80600 G 11/07-10 62 0 0 49 27 W 13 13 5 1 WNW 52 2879 WNW 39 97614 G 11/07-11 57 0 0 51 27 W 17 28 3 1 WNW 55 4007 WNW 39137028 V 11/07-12 53 0 0 54 25 W 21 33 2 1 WNW 55 5293 WNW 39178966 E 11/07-13 50 1 0 54 25 WNW 20 31 2 1 WNW 52 5846 WNW 37188633 E 11/07-14 46 2 0 53 26 WNW 18 30 2 1 NW 51 6048 WNW 37192225 E 11/07-15 42 2 0 51 28 WNW 17 28 2 1 NW 52 5870 WNW 37188600 E 11/07-16 43 3 1 48 32 WNW 15 24 2 1 NW 51 5390 NW 36168080 E 11/07-17 60 9 2 46 35 WNW 13 13 2 1 NW 44 4542 NW 31122464 V 11/07-18 54 9 2 43 42 NW 12 18 2 1 NNW 37 3744 NW 25 81341 G 11/07-19 63 9 2 41 48 NW 9 16 2 1 NNW 30 3749 NW 18 59387 F 11/07-20 73 9 2 39 55 NW 8 14 2 1 NW 26 3323 NNW 12 34302 P 11/07-21 68 9 2 36 64 WNW 7 7 2 1 NW 25 2932 NNW 8 19538 P 11/07-22 57 9 2 35 68 WNW 6 6 2 1 NW 25 3258 N 6 16075 P 11/07-23 45 8 2 33 75 W 5 5 2 1 NW 26 3209 N 3 11064 P 11/08-00 45 8 2 32 78 W 5 5 2 1 NW 25 2998 N 3 9503 P 11/08-01 37 8 2 31 80 W 6 6 2 1 NNW 30 2631 NNW 5 11016 P 11/08-02 32 7 1 30 81 W 7 12 3 1 N 33 2265 WNW 7 12528 P 11/08-03 25 7 1 29 82 W 7 7 3 1 N 38 1898 W 8 14040 P 11/08-04 25 7 1 28 82 W 7 7 3 1 N 35 1505 WNW 8 11175 P 11/08-05 12 0 0 27 81 W 7 12 4 1 N 31 1113 WNW 8 8309 P 11/08-06 12 0 0 28 75 W 8 14 4 1 N 33 1123 WNW 9 9135 P 11/08-07 12 0 0 31 63 W 9 16 5 1 NNW 35 1134 W 9 9960 P 11/08-08 12 0 0 35 52 W 10 17 5 1 NNW 36 1145 W 10 10785 P 11/08-09 12 0 0 41 39 W 10 16 5 1 NNW 33 1808 W 14 26564 P 11/08-10 12 0 0 47 30 W 9 15 5 1 NNW 31 2471 WNW 18 42342 F 11/08-11 14 0 0 52 24 W 8 14 5 1 NNW 29 3134 WNW 22 58121 F 11/08-12 14 0 0 55 21 W 8 15 5 1 NNW 29 3561 WNW 22 68811 G 11/08-13 14 0 0 56 20 W 9 16 5 1 NW 28 3988 WNW 23 79501 G 11/08-14 14 0 0 55 20 W 10 17 5 1 NW 26 4416 WNW 23 90191 G 11/08-15 14 0 0 53 21 W 10 18 5 1 NW 28 3641 WNW 23 72535 G 11/08-16 14 0 0 49 24 W 10 18 4 1 NW 30 2866 W 22 54880 F 11/08-17 6 0 0 45 27 W 12 20 4 1 NW 31 2090 W 21 37224 P 11/08-18 6 0 0 41 32 W 14 23 4 1 NW 26 1679 W 22 31040 P 11/08-19 6 0 0 38 37 W 16 26 4 1 NNW 22 1267 W 23 24856 P 11/08-20 6 0 0 36 42 W 18 31 4 1 NNW 17 855 W 25 18672 P 11/08-21 6 0 0 35 44 W 17 28 4 1 NNW 17 919 W 25 20508 P 11/08-22 6 0 0 34 46 W 15 24 3 1 NNW 16 982 W 26 22344 P 11/08-23 18 0 0 34 45 W 14 22 3 1 NNW 16 1046 W 26 24180 P 11/09-00 18 0 0 33 46 W 15 24 3 1 NNW 17 1030 W 26 24131 P 11/09-01 18 0 0 32 46 W 16 26 3 1 NNW 18 1014 W 28 24082 P 11/09-02 18 0 0 32 45 W 17 28 3 1 NNW 20 998 W 28 24033 P 11/09-03 18 0 0 31 45 W 16 25 3 1 NNW 22 1025 W 26 23509 P 11/09-04 18 0 0 31 44 W 14 23 4 1 NNW 23 1052 W 25 22985 P 11/09-05 19 0 0 31 43 W 13 21 4 1 NNW 25 1078 W 24 22461 P 11/09-06 19 0 0 33 39 W 13 21 4 1 NNW 28 1102 W 24 22855 P 11/09-07 19 0 0 35 36 W 14 23 4 1 NNW 31 1126 W 24 23250 P 11/09-08 19 0 0 38 32 W 15 24 4 1 NW 35 1149 W 24 23644 P 11/09-09 19 0 0 43 27 W 14 22 4 1 NW 36 2040 W 28 55580 F 11/09-10 19 0 0 48 23 W 13 20 4 1 NW 37 2931 W 32 87516 G 11/09-11 23 0 0 52 20 W 12 18 4 1 NW 38 3822 WNW 36119452 V 11/09-12 23 0 0 55 18 W 13 20 4 1 NW 38 4039 WNW 36125121 V 11/09-13 23 0 0 56 18 W 14 22 4 1 NW 39 4256 WNW 36130791 V 11/09-14 23 0 0 55 19 W 15 24 4 1 NW 39 4473 WNW 36136460 V 11/09-15 23 0 0 53 22 W 14 22 4 1 NW 41 3791 WNW 35113953 V 11/09-16 23 0 0 50 25 W 13 20 3 1 NW 44 3109 W 33 91447 G 11/09-17 34 0 0 47 29 W 12 18 3 1 NW 46 2427 W 32 68940 G 11/09-18 34 0 0 44 32 W 13 20 3 1 NW 44 1943 W 30 53245 F 11/09-19 34 0 0 41 36 W 14 22 4 1 WNW 41 1458 W 28 37550 P 11/09-20 34 0 0 39 39 W 15 24 4 1 WNW 39 973 W 25 21855 P 11/09-21 34 0 0 37 42 W 14 23 3 1 WNW 44 1116 W 28 26592 P 11/09-22 34 0 0 36 44 W 13 21 3 1 WNW 48 1258 W 29 31330 P 11/09-23 48 3 1 35 45 W 12 18 2 1 W 54 1400 W 30 36068 P 11/10-00 48 3 1 35 45 W 12 18 2 1 W 59 1552 W 29 38602 P 11/10-01 48 3 1 34 47 W 12 20 2 1 W 64 1703 W 28 41137 F 11/10-02 48 3 1 34 47 W 13 21 2 1 W 70 1855 W 28 43671 F 11/10-03 48 3 1 34 48 W 13 21 3 1 W 68 1860 W 29 45658 F 11/10-04 48 3 1 34 49 W 14 22 3 1 W 66 1865 W 30 47645 F 11/10-05 56 10 2 34 49 W 14 22 4 1 W 63 1870 W 31 49632 F KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST VALID AT - /24-HOUR CLOCK LOCAL TIME/ SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.10 INCH /PERCENT/ AT - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20-FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 15KFT WIND - 15000 FEET ABOVE MEAN SEA LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRANS 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...NWS BOULDER REQUESTED BY...CHIEF BABEON TYPE OF REQUEST...WILDFIRE .TAG 20141107.GILSO.01/BOU