FNUS75 KBOU 201638 FWSBOU SPOT FORECAST FOR HEIL PA7 UNIT 1 PA10 U1...COUNTY NATIONAL WEATHER SERVICE DENVER CO 926 AM MST SAT FEB 20 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...ONE WEATHER DISTURBANCE WILL MOVE ACROSS THE REGION TODAY BRINGING PERIODS OF LIGHT SNOW. ACCUMULATIONS THROUGH THIS AFTERNOON ARE EXPECTED TO RANGE BETWEEN 1 AND 3 INCHES...WITH ANOTHER 2 TO 5 INCHES POSSIBLE TONIGHT. ON SUNDAY...THERE SHOULD BE A BREAK IN THE SNOW...ALTHOUGH ANOTHER DISTURBANCE IS EXPECTED TO BRING A RETURN OF SNOWFALL BY THE AFTERNOON AND EVENING HOURS WITH ANOTHER 1 TO 3 INCHES OF SNOW EXPECTED. TEMPERATURES WILL REMAIN COLD WITH POOR SMOKE DISPERSION. HOWEVER...THERE WILL BE PERIODS OF SNOWFALL TO DISPERSE ANY SMOKE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. PERIODS OF SNOW. ACCUMULATIONS 1 TO 3 INCHES. MAX TEMPERATURE.....24. MIN HUMIDITY........85%. WIND (20 FT)........EAST 5-9 MPH. TRANSPORT WINDS.....SOUTH 4-12 MPH. MIXING HEIGHT.......2600-3600 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. PERIODS OF SNOW. ACCUMULATIONS 2 TO 5 INCHES. MIN TEMPERATURE.....12. MAX HUMIDITY........100%. WIND (20 FT)........EAST 8-9 MPH. TRANSPORT WINDS.....SOUTHEAST 4-8 MPH. MIXING HEIGHT.......800-1800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SUNDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1100...THEN SNOW LIKELY. ACCUMULATIONS 1 TO 2 INCHES. MAX TEMPERATURE.....24. MIN HUMIDITY........74%. WIND (20 FT)........WEST 5-9 MPH UNTIL 1500...THEN SOUTH 5-6 MPH. TRANSPORT WINDS.....SOUTHWEST 4-12 MPH. MIXING HEIGHT.......3200-4200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .MONDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600...THEN SLIGHT CHANCE OF SNOW UNTIL 1200. LOWS AROUND 9. HIGHS AROUND 19. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR HEIL PA7 UNIT 1 PA10 U1. +++ 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 02/20-09 100 89 21 87 SE 5 1 1955 S 7 12792 P 02/20-10 100 89 24 87 SE 5 1 2533 S 8 19814 P 02/20-11 100 97 24 89 SE 5 5 2 1 SW41 3111 S 10 26837 P 02/20-12 100 97 24 91 E 5 1 3321 S 9 25934 P 02/20-13 100 97 23 98 E 6 1 3531 S 8 25031 P 02/20-14 100 97 23 97 E 6 6 2 1 W45 3741 S 7 24128 P 02/20-15 100 97 23 96 E 6 1 3563 S 6 18364 P 02/20-16 100 97 23 94 E 7 1 3386 SE 5 12601 P 02/20-17 100 97 21 99 E 7 7 2 1 SW28 3209 SE 2 6837 P 02/20-18 100 97 18 100 E 7 1 2608 SE 3 6923 P 02/20-19 100 97 16 100 E 7 1 2006 SE 5 7009 P 02/20-20 100 97 16 100 SE 7 7 2 1 SW18 1404 SE 6 7096 P 02/20-21 100 97 16 100 SE 6 1 1338 SE 6 6417 P 02/20-22 100 97 15 100 SE 5 1 1271 SE 5 5739 P 02/20-23 100 93 15 100 E 3 3 2 1 SW16 1204 SE 5 5060 P 02/21-00 100 93 14 100 SE 3 1 1026 SE 5 3932 P 02/21-01 100 93 14 99 SE 3 1 848 SE 3 2804 P 02/21-02 100 93 14 98 SE 3 3 2 1 W21 671 SE 2 1676 P 02/21-03 100 93 13 97 SE 3 1 667 SE 2 1504 P 02/21-04 100 93 12 95 E 2 1 664 E 2 1333 P 02/21-05 74 48 13 96 E 3 3 2 1 W33 618 E 3 2049 P 02/21-06 74 48 13 97 NW 5 1 1046 SE 5 3876 P 02/21-07 74 48 14 95 NW 3 1 1475 S 5 5704 P 02/21-08 74 48 15 90 W 2 2 3 1 W30 1903 SW 5 7531 P 02/21-09 74 48 17 85 W 3 1 2431 SW 5 11365 P 02/21-10 74 48 19 83 W 6 1 2959 SW 6 15199 P 02/21-11 88 59 21 80 W 7 7 2 1 SW23 3487 SW 6 19032 P 02/21-12 88 59 22 77 W 7 1 3797 SW 7 23628 P 02/21-13 88 59 23 75 W 7 1 4106 SW 8 28223 P 02/21-14 88 59 23 74 W 6 6 2 1 W32 4416 S 8 32818 P 02/21-15 88 59 23 74 SW 5 1 4064 SW 9 32431 P 02/21-16 88 59 22 76 S 3 1 3712 SW 10 32044 P 02/21-17 89 64 20 82 SE 2 2 2 1 W41 3360 SW 10 31658 P 02/21-18 89 64 18 85 SE 2 1 2974 SW 10 26568 P 02/21-19 89 64 16 88 SE 2 1 2589 SW 9 21477 P 02/21-20 89 64 15 91 S 3 3 3 1 W33 2204 SW 8 16387 P 02/21-21 89 64 13 94 S 5 1 1823 SW 8 12769 P 02/21-22 89 64 12 96 SW 6 1 1443 SW 7 9151 P 02/21-23 88 34 12 97 SW 7 7 3 1 W23 1063 SW 6 5532 P 02/22-00 88 34 11 99 SW 7 1 842 W 7 4803 P 02/22-01 88 34 10 98 W 12 1 621 W 8 4073 P 02/22-02 88 34 10 98 W 10 16 3 1 W33 399 W 9 3343 P 02/22-03 88 34 9 98 W 10 1 392 W 10 3357 P 02/22-04 88 34 9 97 W 10 1 385 NW 10 3371 P 02/22-05 67 16 9 97 NW 10 16 3 1 NW22 377 NW 10 3384 P 02/22-06 67 16 10 96 NW 10 1 612 NW 9 4254 P 02/22-07 67 16 10 95 NW 8 1 847 NW 8 5123 P 02/22-08 67 16 11 91 NW 6 6 3 1 NW16 1082 NW 7 5993 P 02/22-09 67 16 13 87 W 6 1 1470 W 7 9898 P 02/22-10 67 16 15 85 W 7 1 1859 W 8 13804 P 02/22-11 54 11 16 83 W 8 8 3 1 NW13 2248 W 9 17710 P 02/22-12 54 11 17 80 W 8 1 2361 W 10 20223 P 02/22-13 54 11 18 78 W 9 1 2475 W 10 22737 P 02/22-14 54 11 18 77 W 10 16 3 1 NW10 2588 NW 12 25250 P 02/22-15 54 11 18 76 W 10 1 2003 NW 12 19345 P 02/22-16 54 11 18 77 NW 12 1 1418 NW 10 13440 P 02/22-17 53 0 17 80 NW 12 17 2 1 NW16 833 NW 10 7535 P 02/22-18 53 0 16 84 NW 12 1 642 NW 10 5801 P 02/22-19 53 0 15 88 NW 12 1 450 NW 10 4067 P 02/22-20 53 0 14 92 NW 12 17 2 1 N22 258 NW 10 2332 P 02/22-21 53 0 13 94 NW 9 1 237 NW 9 1937 P 02/22-22 53 0 13 94 NW 7 1 216 W 8 1542 P 02/22-23 44 0 12 93 NW 5 5 2 1 N18 194 W 7 1147 P 02/23-00 44 0 12 92 NW 5 1 186 W 7 1118 P 02/23-01 44 0 11 91 NW 5 1 177 W 7 1089 P 02/23-02 44 0 11 89 W 5 5 2 1 N18 169 W 7 1060 P 02/23-03 44 0 11 89 NW 5 1 166 W 7 1055 P 02/23-04 44 0 11 88 NW 6 1 164 W 7 1049 P 02/23-05 28 0 11 87 NW 6 6 2 1 N24 161 W 7 1044 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...WFO BOULDER REQUESTED BY...BOULDER COUNTY SHERIFF S OFFICE REASON FOR REQUEST...PRESCRIBED .TAG 20100220.HEILP.01/BOU