FNUS75 KBOU 161203 FWSBOU SPOT FORECAST FOR ROCK CREEK FARM...COUNTY NATIONAL WEATHER SERVICE DENVER CO 603 AM MDT FRI APR 16 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SMOKE DISPERSION TODAY WILL ONLY REACH GOOD THIS AFTERNOON AS AN UPPER RIDGE ALOFT AND HIGH SURFACE PRESSURE OVER THE HIGH PLAINS KEEPS THE COLORADO PLAINS FAIRLY STABLE WITH COOLER LOW LEVEL AIR CAPPED BY WARMER CONDITIONS ALOFT. SURFACE PRESSURE GRADIENT WILL TIGHTEN LATER THIS MORNING CAUSING SOUTHEASTERLY WINDS TO INCREASE. CHANCE OF SHOWERS TODAY OVER THE BURN AREA IS VERY SLIM...MOST ACTIVITY SHOULD REMAIN OVER THE FOOTHILLS. SLIGHTLY BETTER CHANCE FOR PRECIPITATION OVER THE FIRE WILL OCCUR AFTER MIDNIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200. MAX TEMPERATURE.....56. MIN HUMIDITY........51%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 0900...THEN SOUTHEAST 9-15 MPH. TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200...THEN SOUTHEAST AROUND 12 MPH. MIXING HEIGHT.......5400-6400 FT AGL AFTER 0700. SMOKE DISPERSAL.....POOR UNTIL 1100. GOOD AFTER 1400. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....40. MAX HUMIDITY........76%. WIND (20 FT)........SOUTHEAST WINDS 9-13 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHEAST AROUND 12 MPH UNTIL 2400...THEN LIGHT. MIXING HEIGHT.......6000 FT AGL UNTIL 1900. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2000. HAINES INDEX........2 VERY LOW. .SATURDAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200. MAX TEMPERATURE.....62. MIN HUMIDITY........41%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN SOUTHEAST 8-14 MPH. TRANSPORT WINDS.....LIGHT WINDS. MIXING HEIGHT.......4200-5200 FT AGL AFTER 0700. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0600...THEN SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS AROUND 40. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR ROCK CREEK FARM. +++ 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 04/16-03 80 5 40 78 NW 7 7 2 1 SW15 174 NW 5 723 P 04/16-04 80 5 39 81 NW 8 1 193 NW 6 1071 P 04/16-05 80 5 40 81 N 9 1 211 N 8 1420 P 04/16-06 80 8 39 77 NE 7 7 2 1 W20 373 NE 8 2519 P 04/16-07 80 8 40 75 NE 6 1 1100 NE 7 4898 P 04/16-08 80 8 41 75 E 5 1 1826 E 6 7276 P 04/16-09 80 8 42 74 E 5 5 2 1 W13 2553 SE 5 9655 P 04/16-10 80 8 45 70 E 7 1 3433 SE 7 23536 P 04/16-11 80 8 47 65 E 9 1 4314 SE 9 37417 P 04/16-12 83 10 50 61 E 12 12 2 1 SW13 5195 SE 12 51298 F 04/16-13 83 10 52 57 E 12 1 5682 SE 12 59432 F 04/16-14 83 10 54 54 SE 12 1 6169 S 13 67566 G 04/16-15 83 10 54 52 SE 12 12 2 1 SW16 6656 S 13 75701 G 04/16-16 83 10 55 51 SE 13 1 6445 S 13 71117 G 04/16-17 83 10 54 52 SE 13 1 6235 S 13 66534 G 04/16-18 86 15 53 53 SE 13 17 2 1 W13 6024 S 12 61950 G 04/16-19 86 15 52 55 SE 12 1 4113 SE 12 42103 F 04/16-20 86 15 49 59 SE 9 1 2202 SE 10 22255 P 04/16-21 86 15 47 63 SE 7 7 2 1 NW 6 292 SE 9 2407 P 04/16-22 86 15 46 66 SE 5 1 314 SE 8 2057 P 04/16-23 86 15 45 69 S 3 1 337 S 6 1708 P 04/17-00 71 10 45 71 SW 2 2 2 1 S 3 360 S 5 1358 P 04/17-01 71 10 44 72 CALM 1 432 S 5 1556 P 04/17-02 71 10 43 73 CALM 1 503 S 5 1754 P 04/17-03 71 10 42 74 W 2 2 2 1 SW10 574 S 3 1951 P 04/17-04 71 10 41 75 W 3 1 655 S 3 1583 P 04/17-05 71 10 41 76 NW 6 1 736 SW 2 1215 P 04/17-06 84 7 41 76 N 7 7 2 1 SW13 817 CALM 846 P 04/17-07 84 7 41 75 N 7 1 1111 CALM 1390 P 04/17-08 84 7 42 73 N 6 1 1405 CALM 1933 P 04/17-09 84 7 43 70 N 3 3 2 1 S15 1699 CALM 2477 P 04/17-10 78 7 46 64 NE 3 1 2149 S 3 6398 P 04/17-11 78 7 49 57 E 6 1 2599 S 5 10319 P 04/17-12 78 21 52 51 SE 7 7 2 1 SW20 3337 S 6 15580 P 04/17-13 78 21 55 46 SE 9 1 3993 S 6 20749 P 04/17-14 78 21 57 42 SE 12 1 4649 SE 6 25918 P 04/17-15 78 21 59 41 SE 13 17 2 1 SW18 5306 SE 7 31088 P 04/17-16 78 21 60 41 SE 12 1 5206 SE 6 24517 P 04/17-17 78 21 59 42 SE 10 1 5107 SE 3 17946 P 04/17-18 78 27 58 44 SE 8 8 2 1 SW15 5007 SE 2 11375 P 04/17-19 78 27 56 48 S 7 1 3233 E 2 7319 P 04/17-20 78 27 53 54 W 6 1 1737 N 2 3895 P 04/17-21 78 27 49 60 NW 5 5 2 1 W13 241 N 2 472 P 04/17-22 65 27 47 64 NW 3 1 219 NW 2 458 P 04/17-23 65 27 46 66 W 3 1 197 W 2 443 P 04/18-00 65 10 45 69 W 3 3 2 1 W10 176 W 2 429 P 04/18-01 65 10 44 70 W 3 1 172 W 3 527 P 04/18-02 65 10 43 72 W 5 1 168 W 5 626 P 04/18-03 65 10 42 74 W 5 5 2 1 W12 164 NW 5 724 P 04/18-04 65 10 42 74 W 5 1 164 NW 5 684 P 04/18-05 65 10 41 76 NW 3 1 164 NW 5 644 P 04/18-06 65 5 41 76 NW 3 3 2 1 NW 8 163 NW 5 604 P 04/18-07 65 5 42 75 NW 3 1 219 NW 5 765 P 04/18-08 65 5 45 67 NW 3 1 274 NW 3 925 P 04/18-09 61 5 49 58 NW 3 3 2 1 NW 9 329 NW 3 1086 P 04/18-10 61 5 54 50 N 5 1 2307 NW 5 11264 P 04/18-11 61 5 58 44 E 6 1 4285 N 5 21442 P 04/18-12 61 20 61 39 E 7 7 2 2 N12 6263 N 6 31620 P 04/18-13 61 20 63 35 SE 7 2 7206 N 6 32314 P 04/18-14 61 20 65 32 SE 7 2 8148 N 5 33007 P 04/18-15 61 20 65 31 SE 6 6 3 2 N14 9091 N 5 33701 P 04/18-16 61 20 65 29 SE 5 2 7614 NE 3 23829 P 04/18-17 61 20 64 30 SE 5 2 6138 E 2 13957 P 04/18-18 61 20 62 32 SE 3 3 3 2 N12 4661 CALM 4085 P 04/18-19 61 20 60 34 SE 3 2 3157 SE 2 2863 P 04/18-20 61 20 56 38 SE 3 2 1654 S 2 1641 P 04/18-21 61 20 52 45 S 3 3 3 2 NW 9 150 S 3 418 P 04/18-22 45 0 49 51 S 3 1 141 S 3 398 P 04/18-23 45 0 47 55 S 3 1 132 S 3 378 P 04/19-00 45 0 45 58 SW 3 3 3 1 N 7 122 SW 3 357 P 04/19-01 45 0 44 61 SW 3 1 125 SW 3 313 P 04/19-02 45 0 43 64 SW 2 1 128 SW 2 269 P 04/19-03 45 0 42 65 SW 2 2 3 1 N 5 130 W 2 225 P 04/19-04 45 0 42 66 SW 2 1 142 W 2 245 P 04/19-05 45 0 42 66 W 2 1 154 W 2 265 P 04/19-06 45 0 42 65 W 2 2 3 1 N 8 167 W 2 285 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 20100416.ROCKC.01/BOU