FNUS75 KBOU 041857 FWSBOU SPOT FORECAST FOR BLUE BELL...COUNTY NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1257 PM MDT TUE JUN 4 2013 FORECAST IS BASED ON REQUEST TIME OF 1235 MDT ON JUNE 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...EASTERLY UPSLOPE WINDS ARE EXPECTED TO PREVAIL THROUGH THE DAY WITH HIGHER HUMIDITIES. STILL A SLIGHT CHANCE FOR AN INTRUSION OF DRIER AIR WITH WEST WINDS AT 10-15 MPH AT TIMES THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS WILL ALSO BE DEVELOPING THIS AFTERNOON. THEY COULD PRODUCE STRONGER VARIABLE WINDS BUT WOULD ALSO LIKELY INCREASE HUMIDITIES. LIGHT RAIN SHOWERS ARE LIKELY OVERNIGHT...UNCERTAIN HOW MUCH WETTING THERE WILL BE. IT WILL BE COOL WITH FAIRLY HIGH HUMIDITIES AND LIGHT UPSLOPE WINDS PREVAILING THROUGH WEDNESDAY. ONLY GRADUALLY WARMING/DRYING FOR THE NEXT COUPLE OF DAYS AFTER THAT WITH NO EXTREME CONDITIONS FORESEEN. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF THIS AFTERNOON... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1500...THEN SCATTERED THUNDERSTORMS. MAX TEMPERATURE.....65-69. MIN HUMIDITY........34-40%. WIND (20 FT)........EAST TO SOUTHEAST 5-10 MPH GUSTS TO 15 MPH. VARIABLE WIND GUSTS TO 30 MPH POSSIBLE NEAR THUNDERSTORMS. MIXING HEIGHT.......AROUND 5000 FT AGL BY 1400. TRANSPORT WINDS.....EAST 5-10 MPH UNTIL 1200...THEN SOUTHWEST 10-15 MPH. SMOKE DISPERSAL.....GOOD. HAINES INDEX........4 LOW. CWR.................5 PERCENT INCREASING TO 15 PERCENT LATE IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS UNTIL 2100...THEN RAIN SHOWERS LIKELY AND ISOLATED THUNDERSTORMS. MIN TEMPERATURE.....AROUND 41. MAX HUMIDITY........85-95%. WIND (20 FT)........NORTHEAST WINDS 5-10 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......5000 FT AGL UNTIL 2000...THEN LOWERING TO 1500 FT AGL BY 2300. TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2400...THEN LIGHT. SMOKE DISPERSAL.....FAIR UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 LOW. CWR.................25 PERCENT INCREASING TO 35 PERCENT IN THE LATE EVENING AND OVERNIGHT. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........37%. WIND (20 FT)........UPSLOPE/UPVALLEY 2-5 MPH INCREASING TO 4-10 MPH BY 1300. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER 1200. MIXING HEIGHT.......RISING TO 3000 FT AGL BY 1100...AND 5000 FT AGL BY 1400. TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200...THEN WEST AROUND 10 MPH. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. CWR.................15 PERCENT. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. FIRE WEATHER TABLE FOR BLUE BELL. +++ 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 TF RH 20FT G H L MIXG TRAN VENTL AJTV VALID AT % % % F % WIND S I A HGT WIND RATE RATNG MPH T L AGL MPH KT-FT 06/04-12 46 2 0 66 24 SW 10 16 4 1 10583 SW 16 142996 V 06/04-13 51 17 3 66 24 W 12 16 4 3 10362 SW 15 136808 V 06/04-14 62 17 3 66 25 NW 12 17 4 3 10141 SW 15 130620 V 06/04-15 73 36 14 65 27 N 12 17 4 4 9920 SW 15 124432 V 06/04-16 78 36 14 63 30 N 12 17 4 4 9172 SW 14 108310 V 06/04-17 78 36 14 62 32 N 12 17 4 4 8423 W 13 92187 G 06/04-18 78 54 25 60 36 NE 12 17 4 4 7675 W 12 76065 G 06/04-19 78 54 25 57 41 NE 12 17 4 4 5303 NW 9 51581 F 06/04-20 78 54 25 54 46 NE 10 16 4 4 2930 NE 7 27096 P 06/04-21 78 68 33 51 52 NE 10 16 4 3 558 E 6 2612 P 06/04-22 78 68 33 49 57 NE 10 15 4 3 713 E 6 3385 P 06/04-23 78 68 33 48 60 NE 9 15 3 3 868 E 6 4158 P 06/05-00 79 68 33 47 63 NE 9 14 3 3 1023 E 6 4931 P 06/05-01 79 68 33 46 66 NE 9 9 3 3 1289 E 5 5419 P 06/05-02 79 68 33 45 70 NE 8 8 3 3 1555 NE 5 5907 P 06/05-03 79 68 33 43 76 E 8 8 3 3 1822 N 5 6395 P 06/05-04 79 68 33 41 85 E 8 8 3 3 1831 NE 3 4993 P 06/05-05 79 68 33 40 90 E 8 8 3 3 1840 SE 2 3592 P 06/05-06 75 30 8 41 86 E 7 7 3 1 1849 CALM 2190 P 06/05-07 75 30 8 43 72 SE 3 3 3 1 2532 S 3 9425 P 06/05-08 75 30 8 47 57 CALM 1 3 1 3216 SW 5 16660 P 06/05-09 75 30 8 50 48 CALM 0 3 1 3900 W 7 23895 P 06/05-10 75 30 8 52 42 CALM 0 3 1 4475 W 7 28778 P 06/05-11 75 30 8 53 39 E 2 2 2 1 5051 W 8 33660 P 06/05-12 75 22 13 54 38 NE 3 3 2 2 5627 W 8 38543 P 06/05-13 75 22 13 54 39 NE 5 5 2 2 5254 W 7 33380 P 06/05-14 75 22 13 54 42 NE 5 5 3 2 4880 W 7 28216 P 06/05-15 75 22 13 54 45 NE 5 5 3 2 4506 W 6 23053 P 06/05-16 75 22 13 54 48 NE 5 5 3 2 4273 W 5 17687 P 06/05-17 75 22 13 53 52 E 3 3 3 2 4040 W 3 12321 P 06/05-18 54 21 4 52 56 E 3 3 3 3 3806 W 2 6955 P 06/05-19 54 21 4 50 62 E 3 3 3 3 3471 SW 2 5461 P 06/05-20 54 21 4 48 68 E 3 3 3 3 3135 CALM 3968 P 06/05-21 54 21 4 46 73 E 3 3 3 3 2800 CALM 2475 P 06/05-22 54 21 4 44 79 SE 3 3 3 3 2424 CALM 2704 P 06/05-23 54 21 4 43 81 S 3 3 2 3 2049 SW 2 2934 P 06/06-00 30 9 2 42 82 SW 3 3 2 1 1673 SW 2 3163 P 06/06-01 30 9 2 42 81 SW 3 3 2 1 1371 SW 2 2873 P 06/06-02 30 9 2 41 82 SW 5 5 2 1 1068 SW 3 2582 P 06/06-03 30 9 2 41 79 SW 5 5 2 1 766 W 3 2291 P 06/06-04 30 9 2 39 82 SW 6 6 2 1 672 W 3 2150 P 06/06-05 30 9 2 39 79 W 6 6 2 1 578 W 5 2009 P 06/06-06 44 10 2 41 70 W 6 6 2 2 484 W 5 1868 P 06/06-07 44 10 2 46 56 W 5 5 2 2 3236 NW 7 31799 P 06/06-08 44 10 2 53 42 W 3 3 2 2 5987 NW 9 61730 G 06/06-09 44 10 2 59 33 W 2 2 2 2 8739 NW 12 91662 G 06/06-10 44 10 2 62 29 NW 2 2 2 2 9935 NW 12 94861 G 06/06-11 44 10 2 64 26 NE 3 3 2 2 11132 NW 10 98059 G 06/06-12 53 19 4 64 26 NE 5 5 2 3 12328 NW 9 101258 V 06/06-13 53 19 4 64 27 NE 5 5 2 3 12422 NW 8 91190 G 06/06-14 53 19 4 65 27 NE 5 5 3 3 12515 NW 7 81122 G 06/06-15 53 19 4 65 29 NE 5 5 3 3 12609 NW 7 71054 G 06/06-16 53 19 4 64 31 NE 5 5 3 3 11773 W 6 60230 G 06/06-17 53 19 4 63 33 NE 5 5 3 3 10938 W 5 49407 F 06/06-18 54 21 4 61 36 NE 5 5 3 3 10102 W 5 38583 P 06/06-19 54 21 4 59 40 E 5 5 3 3 8532 W 5 35615 P 06/06-20 54 21 4 57 44 SE 3 3 3 3 6963 SW 6 32647 P 06/06-21 54 21 4 54 50 SE 3 3 3 3 5394 S 7 29679 P 06/06-22 54 21 4 53 53 S 3 3 3 3 5037 S 7 30708 P 06/06-23 54 21 4 52 56 S 3 3 3 3 4681 S 8 31737 P 06/07-00 47 13 3 51 59 SW 3 3 3 2 4324 S 9 32767 P 06/07-01 47 13 3 50 60 SW 3 3 3 2 3641 S 9 27494 P 06/07-02 47 13 3 49 62 SW 5 5 3 2 2958 SW 8 22221 P 06/07-03 47 13 3 48 63 SW 6 6 3 2 2275 SW 8 16949 P 06/07-04 47 13 3 47 64 W 6 6 3 2 1777 SW 7 12340 P 06/07-05 47 13 3 46 64 W 7 7 3 2 1280 W 6 7732 P 06/07-06 54 15 3 47 60 W 7 7 3 3 782 W 5 3124 P 06/07-07 54 15 3 52 49 W 7 7 3 06/07-08 54 15 3 58 39 W 6 6 3 06/07-09 54 15 3 63 32 NW 5 5 3 06/07-10 54 15 3 67 27 NW 3 3 3 06/07-11 54 15 3 69 25 N 3 3 3 06/07-12 62 25 5 70 24 N 2 2 4 06/07-13 62 25 5 70 25 N 2 2 4 06/07-14 62 25 5 70 25 N 2 2 4 06/07-15 62 25 5 70 25 N 2 2 4 06/07-16 62 25 5 69 27 NW 2 2 4 06/07-17 62 25 5 69 27 NW 3 3 4 06/07-18 63 22 4 67 29 NW 3 3 3 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...MEIER REQUESTED BY...DISPATCH TYPE OF REQUEST...WILDFIRE .TAG 20130604.BLUEB.03/BOU