FNUS75 KBOU 071954 FWSBOU SPOT FORECAST FOR MT BANCROFT SAR...COUNTY NATIONAL WEATHER SERVICE DENVER CO 154 PM MDT FRI SEP 7 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL DISTURBANCE IS MOVING OVER NORTHEAST COLORADO AT THE PRESENT TIME. SHOWERS ARE MOVING FROM NORTHWEST TO SOUTHEAST AT ABOUT 15 MILES AN HOUR. SHOWERS IN PROGRESS AT THIS TIME SHOULD CLEAR OUT BY ABOUT 4 PM WITH CLEARING SKIES FOR LATE IN THE AFTERNOON. A FEW MORE SHOWERS MAY DEVELOP DURING THE EVENING. SKIES WILL CLEAR OUT OVERNIGHT WITH DRIER CONDITIONS EXPECTED SATURDAY. A FEW THUNDERSTORMS HAVE DEVELOPED EARLIER THIS AFTERNOON OVER EAGLE COUNTY. THUNDERSTORMS CAN NOT BE RULED OUT OVER CLEAR CREEK COUNTY... BUT THE CHANCE OF THUNDER IS LOW. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS. MAX TEMPERATURE.....48-54. MIN HUMIDITY........40-50%. 20-FOOT WINDS.......NORTHWEST WINDS 8-14 MPH. GUSTS UP TO 20 MPH NEAR SHOWERS. TRANSPORT WINDS.....NORTHWEST 12-20 MPH. MIXING HEIGHT.......4800-5800 FT AGL UNTIL 1500...THEN 7200-7600 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 1500...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2100...THEN PARTLY CLOUDY. ISOLATED SHOWERS OR THUNDERSTORMS UNTIL 1900...THEN ISOLATED RAIN SHOWERS UNTIL 2400. MIN TEMPERATURE.....33-40. MAX HUMIDITY........70-78%. 20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH. TRANSPORT WINDS.....WEST 6-12 MPH. MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900...THEN FAIR UNTIL 2000...THEN POOR. HAINES INDEX........5 MODERATE. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....52-58. MIN HUMIDITY........24-32%. 20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH UNTIL 0900...THEN UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1500...THEN SOUTHEAST AROUND 5 MPH. TRANSPORT WINDS.....NORTH AROUND 4 MPH UNTIL 1200...THEN SOUTHEAST. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 1200-2200 FT AGL UNTIL 1100...THEN 4000-5000 FT AGL UNTIL 1700...THEN 2400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........6 HIGH. FIRE WEATHER TABLE FOR MT BANCROFT SAR. +++ 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 09/07-13 76 24 5 46 45 W13 20 3 3 W64 4349 NW17 67301 G 09/07-14 76 24 5 47 42 NW10 17 3 3 W63 5943 NW18 96485 G 09/07-15 76 24 5 47 40 NW 9 15 3 3 W61 7536 NW20 125669 V 09/07-16 76 24 5 47 40 NW 7 7 3 3 W59 7359 NW16 106943 V 09/07-17 76 24 5 46 40 W 6 6 3 3 NW55 7183 W14 88217 G 09/07-18 52 24 4 45 41 W 5 5 3 3 NW48 7006 W12 69490 G 09/07-19 52 18 4 44 45 W 5 5 3 1 NW38 4955 W 8 46774 F 09/07-20 52 18 4 42 52 W 5 5 3 1 N25 2904 SW 5 24058 P 09/07-21 52 18 2 41 56 W 5 5 3 1 N16 853 S 2 1342 P 09/07-22 42 10 2 40 60 W 5 5 3 1 N15 691 S 2 1185 P 09/07-23 42 10 2 39 63 W 5 5 3 1 N16 530 SW 2 1027 P 09/08-00 42 0 1 37 68 NW 5 5 3 1 NE18 368 SW 2 869 P 09/08-01 42 0 1 36 72 NW 5 5 3 1 NE18 319 SW 2 712 P 09/08-02 16 0 1 35 74 NW 3 3 3 1 NE18 271 W 2 556 P 09/08-03 16 0 1 35 75 NW 3 3 3 1 NE17 222 W 2 399 P 09/08-04 16 0 1 34 74 NW 3 3 4 1 NE16 215 W 2 469 P 09/08-05 16 0 1 34 71 N 5 5 5 1 E15 207 NW 3 538 P 09/08-06 23 0 0 33 69 N 5 5 6 1 E14 200 NW 3 608 P 09/08-07 23 0 0 33 67 N 3 3 6 1 E14 488 N 3 1234 P 09/08-08 23 0 0 35 60 N 3 3 6 1 E13 775 N 3 1861 P 09/08-09 23 0 0 42 45 N 2 2 6 1 E13 1062 N 2 2487 P 09/08-10 23 0 0 46 37 NE 2 2 6 1 E14 2494 NE 2 5063 P 09/08-11 23 0 0 50 32 E 2 2 6 1 E16 3926 E 2 7638 P 09/08-12 18 0 0 52 29 SE 2 2 6 1 E18 5358 SE 2 10214 P 09/08-13 18 0 0 53 29 SE 2 2 5 1 E20 5152 SE 2 11287 P 09/08-14 18 0 0 53 29 SE 3 3 5 1 E21 4946 SE 3 12359 P 09/08-15 18 0 0 52 30 E 3 3 4 1 SE21 4740 SE 3 13432 P 09/08-16 18 0 0 51 30 SE 5 5 4 1 SE21 3573 SE 3 10251 P 09/08-17 18 0 0 50 30 SW 5 5 4 1 SE18 2406 S 3 7070 P 09/08-18 13 0 0 48 32 SW 6 6 4 1 SE17 1239 S 3 3888 P 09/08-19 13 0 0 45 35 SW 6 6 4 1 SE16 931 S 5 3209 P 09/08-20 13 0 0 41 41 SW 7 7 4 1 SE16 624 S 6 2529 P 09/08-21 13 0 0 39 45 SW 7 7 4 1 SE15 316 S 7 1849 P 09/08-22 13 0 0 38 49 SW 7 7 3 1 W 5 325 SW 7 2031 P 09/08-23 13 0 0 37 51 SW 8 8 3 1 W 5 306 SW 8 2099 P 09/09-00 7 0 0 37 52 SW 8 13 3 1 W 5 286 SW 9 2167 P 09/09-01 7 0 0 37 52 SW 9 14 3 1 W 5 271 SW 9 2155 P 09/09-02 7 0 0 36 53 SW 9 15 3 1 W 5 255 SW 9 2143 P 09/09-03 7 0 0 35 53 SW10 16 3 1 W 5 239 SW10 2130 P 09/09-04 7 0 0 35 53 SW10 17 3 1 W 6 226 SW10 2006 P 09/09-05 7 0 0 35 53 W10 16 3 1 NW 6 212 W10 1882 P 09/09-06 8 0 0 35 51 W10 16 3 1 NW 6 199 W10 1757 P 09/09-07 8 0 0 35 50 W10 17 3 1 NW 7 352 W10 3321 P 09/09-08 8 0 0 37 44 W12 18 3 1 NW 8 505 W10 4884 P 09/09-09 8 0 0 45 31 W12 18 3 1 NW 8 658 W12 6448 P 09/09-10 8 0 0 50 25 W10 17 3 1 NW 7 3046 W10 20625 P 09/09-11 8 0 0 54 21 W 9 15 4 1 NW 7 5434 W 8 34802 P 09/09-12 17 0 0 57 19 W 8 13 4 1 NW 6 7823 W 7 48979 F 09/09-13 17 0 0 58 18 W 8 13 4 1 NW 7 8027 W 8 53986 F 09/09-14 17 0 0 58 19 W 8 13 4 1 NW 8 8231 W 8 58992 F 09/09-15 17 0 0 57 19 W 8 13 4 1 W 9 8435 W 9 63999 G 09/09-16 17 0 0 56 21 W 7 7 4 1 W10 6775 W 8 49961 F 09/09-17 17 0 0 55 23 W 6 6 4 1 NW10 5114 W 8 35923 P 09/09-18 12 0 0 52 26 W 6 6 4 1 NW12 3453 W 7 21885 P 09/09-19 12 0 0 49 29 W 6 6 4 1 NW12 2401 W 8 15268 P 09/09-20 12 0 0 45 34 W 7 7 3 1 NW12 1349 W 8 8652 P 09/09-21 12 0 0 42 37 W 8 13 3 1 NW12 296 W 8 2036 P 09/09-22 12 0 0 41 39 W 9 14 3 1 W12 271 W 9 2085 P 09/09-23 12 0 0 40 40 W 9 15 3 1 W10 245 W10 2134 P 09/10-00 27 0 0 40 40 W10 16 3 1 W 9 220 W12 2183 P 09/10-01 27 0 0 40 40 W10 17 3 1 W 9 210 W12 2163 P 09/10-02 27 0 0 39 42 W12 17 2 1 W10 200 W13 2144 P 09/10-03 27 0 0 38 44 W12 18 2 1 W12 191 W13 2124 P 09/10-04 27 0 0 38 46 W13 20 2 1 W14 189 W14 2201 P 09/10-05 27 0 0 38 48 W14 22 2 1 W16 187 W14 2278 P 09/10-06 50 7 1 38 50 W14 22 2 1 W18 185 W15 2355 P 09/10-07 50 7 1 38 51 W14 22 1 09/10-08 50 7 1 40 48 W13 20 1 09/10-09 50 7 1 47 37 W12 18 1 09/10-10 50 7 1 51 33 W12 17 1 09/10-11 50 7 1 55 29 W10 17 1 09/10-12 74 21 4 57 28 W10 16 3 09/10-13 74 21 4 58 27 W10 16 3 09/10-14 74 21 4 58 28 W10 16 3 09/10-15 74 21 4 57 30 W10 16 3 09/10-16 74 21 4 55 32 W10 17 3 09/10-17 74 21 4 54 34 W12 17 3 09/10-18 83 18 4 52 38 W12 18 3 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...MAJOR ALBERS REASON FOR REQUEST...SAR .TAG 20120907.MTBAN.01/BOU