FNUS75 KBOU 201657 FWSBOU SPOT FORECAST FOR WHITE RANCH UNIT 12...CSFS NATIONAL WEATHER SERVICE DENVER CO 1045 AM MDT TUE APR 20 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LOW CLOUDS SHOULD BREAK UP AROUND NOON OR SHORTLY AFTER...THEN UPSLOPE SURFACE WINDS AND NORTHWEST WINDS ALOFT SHOULD PROVIDE FOR FAIR MIXING UNTIL SUNSET. THERE IS DRY AIR ABOVE THE CLOUDS...DEW POINTS AT HIGHER FOOTHILLS LOCATIONS ARE AROUND 20. SO HUMIDITIES SHOULD STILL BE ABLE TO DROP THIS AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN MOSTLY SUNNY. CHANCE OF THUNDERSTORMS AFTER 1400. MAX TEMPERATURE.....56-60. MIN HUMIDITY........30-35%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....NORTHWEST 5 MPH INCREASING TO 12 MPH BY 1200. MIXING HEIGHT.......2000 FT AGL RISING TO 3000 FT AGL BY 1200 AND 5000 FT AGL BY 1400. SMOKE DISPERSAL.....POOR UNTIL 1230...THEN FAIR. HAINES INDEX........3 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL 2400...THEN SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....41-45. MAX HUMIDITY........45-50%. WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......3000 FT AGL UNTIL 2100...THEN 1000-2000 FT AGL UNTIL 0100...THEN BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....60-64. MIN HUMIDITY........20-28%. WIND (20 FT)........LIGHT BECOMING EAST 6-12 MPH BY 1100. TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100...THEN SOUTH AROUND 12 MPH. MIXING HEIGHT.......RISING TO 4000 FT AGL BY 1100 AND 6000 FT AGL BY 1400. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR. GOOD AFTER 1400. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 1200. CHANCE OF RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. COOLER. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 1200. CHANCE OF RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 1200... THEN SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. NORTHWEST WINDS AROUND 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WHITE RANCH UNIT 12. +++ 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 04/20-10 31 0 49 51 NE 3 8 1 3046 NW 10 30519 P 04/20-11 29 0 52 42 NE 6 12 1 5012 NW 12 51461 F 04/20-12 27 23 55 35 N 6 6 3 4 NW20 6978 NW 12 72403 G 04/20-13 26 23 58 31 N 7 4 7208 NW 13 76540 G 04/20-14 26 23 58 30 N 7 4 7439 W 13 80677 G 04/20-15 28 40 58 30 N 7 7 3 4 W26 7670 W 13 84815 G 04/20-16 28 40 57 31 N 6 4 6961 W 10 67248 G 04/20-17 28 40 55 31 N 5 4 6252 W 9 49681 F 04/20-18 73 30 54 32 N 5 5 3 4 W25 5543 W 7 32114 P 04/20-19 73 30 52 33 N 5 4 5054 W 5 23557 P 04/20-20 73 30 51 34 NE 5 4 4565 SW 3 15001 P 04/20-21 79 30 49 36 NE 5 5 3 4 W18 4076 S 2 6444 P 04/20-22 79 30 47 38 N 5 4 3027 S 2 5448 P 04/20-23 79 30 45 40 W 3 4 1979 S 3 4451 P 04/21-00 35 10 44 42 SW 3 3 2 1 W17 930 S 5 3454 P 04/21-01 35 10 43 44 SW 2 1 788 S 3 2818 P 04/21-02 35 10 43 45 SW 2 1 647 SW 3 2182 P 04/21-03 44 10 43 45 SW 2 2 2 1 W12 506 SW 3 1546 P 04/21-04 44 10 43 44 SW 3 1 722 SW 3 2441 P 04/21-05 44 10 43 42 SW 6 1 937 S 3 3337 P 04/21-06 72 10 44 39 SW 7 7 2 1 W18 1153 S 5 4233 P 04/21-07 72 10 44 38 S 7 1 1939 S 5 9335 P 04/21-08 72 10 47 34 S 7 1 2725 SW 6 14436 P 04/21-09 72 10 50 31 S 7 7 2 1 W26 3512 SW 7 19537 P 04/21-10 72 10 51 29 SE 7 1 4353 SW 7 27731 P 04/21-11 72 10 55 26 SE 7 1 5194 S 8 35926 P 04/21-12 80 30 57 24 E 7 7 2 4 SW23 6035 S 8 44120 F 04/21-13 80 30 59 22 E 8 4 6628 S 9 52472 F 04/21-14 80 30 60 21 E 8 4 7221 S 9 60824 G 04/21-15 80 30 61 21 E 9 9 2 4 SW26 7814 S 10 69176 G 04/21-16 80 30 61 21 E 10 4 7240 S 10 64390 G 04/21-17 80 30 60 21 E 12 4 6666 S 10 59605 F 04/21-18 80 30 58 23 NE 12 12 3 4 S10 6332 E 12 60877 G 04/21-19 80 30 56 24 NE 10 4 4998 E 10 46891 F 04/21-20 80 30 53 27 E 10 4 3663 S 10 32904 P 04/21-21 80 30 49 31 E 9 9 2 4 SW30 2329 S 9 18918 P 04/21-22 80 30 47 35 E 8 4 1725 S 8 13630 P 04/21-23 80 30 45 37 E 7 4 1121 S 8 8342 P 04/22-00 80 30 44 39 E 6 6 2 1 SW32 516 SE 7 3054 P 04/22-01 80 30 43 41 E 6 1 502 S 7 3053 P 04/22-02 80 30 42 42 SE 6 1 489 S 7 3052 P 04/22-03 80 30 41 43 S 6 6 2 1 SW29 475 S 7 3050 P 04/22-04 80 30 40 44 S 7 1 471 S 8 3104 P 04/22-05 80 30 41 44 SW 7 1 468 S 8 3157 P 04/22-06 80 30 41 43 SW 8 8 2 1 S28 465 SW 8 3210 P 04/22-07 80 30 42 42 SW 9 1 855 S 9 7204 P 04/22-08 80 30 42 41 S 9 1 1245 S 9 11197 P 04/22-09 80 30 44 38 S 10 10 2 1 S32 1634 S 10 15190 P 04/22-10 80 30 46 35 S 10 1 2289 S 13 26389 P 04/22-11 80 30 48 33 SE 10 1 2943 S 14 37588 P 04/22-12 73 29 49 32 SE 10 10 3 2 S43 3597 S 16 48786 F 04/22-13 73 29 50 31 SE 9 2 4067 S 15 50991 F 04/22-14 73 29 51 30 E 9 2 4536 S 14 53197 F 04/22-15 73 29 51 30 E 8 8 3 2 S44 5005 S 13 55402 F 04/22-16 73 29 51 30 NE 7 2 4220 S 10 40032 F 04/22-17 73 29 51 31 NE 6 2 3435 SE 7 24663 P 04/22-18 73 29 49 33 NE 5 5 3 2 S25 2650 SE 5 9294 P 04/22-19 73 29 48 34 NE 5 2 2121 S 5 7522 P 04/22-20 73 29 46 37 N 5 2 1592 SW 5 5751 P 04/22-21 73 29 44 40 N 5 5 3 2 S23 1064 W 5 3979 P 04/22-22 73 29 43 42 N 5 2 1133 W 5 4473 P 04/22-23 73 29 42 44 NW 6 2 1202 NW 5 4968 P 04/23-00 72 30 41 46 NW 6 6 3 1 S36 1271 NW 5 5462 P 04/23-01 72 30 40 48 NW 6 1 1774 N 3 4175 P 04/23-02 72 30 39 50 NW 5 1 2278 N 2 2888 P 04/23-03 72 30 39 52 NW 5 5 2 1 S31 2781 CALM 1602 P 04/23-04 72 30 39 54 NW 5 1 3029 CALM 2633 P 04/23-05 72 30 39 56 NW 5 1 3277 CALM 3665 P 04/23-06 72 30 39 58 NW 5 5 3 1 S14 3524 CALM 4697 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...GIMMESTAD REQUESTED BY...ALLEN GALLAMORE REASON FOR REQUEST...PRESCRIBED .TAG 20100420.WHITE.02/BOU