FNUS75 KBOU 031434 FWSBOU SPOT FORECAST FOR GREEN RIDGE RX...USFS NATIONAL WEATHER SERVICE DENVER CO 830 AM MDT FRI APR 3 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STORM SYSTEM WILL BE MOVING INTO COLORADO THIS AFTERNOON AND TONIGHT...BRINGING COLDER AIR AND PRECIPITATION ALONG WITH WINDY CONDITIONS TO THE REGION. THE AIRMASS WILL BE UNSTABLE THIS AFTERNOON...WITH A FEW THUNDERSTORMS POSSIBLE. RAIN AND SNOW CAN BE EXPECTED THROUGH THIS AFTERNOON...CHANGING TO ALL SNOW TONIGHT. THE SNOW WILL CONTINUE THROUGH MUCH OF THE DAY SATURDAY. EXPECTED ACCUMULATIONS TONIGHT THROUGH SATURDAY. MAINLY DRY CONDITIONS WILL RETURN SUNDAY AS THE SYSTEM MOVES EAST OF THE REGION. ENOUGH MOISTURE AND INSTABILITY WILL PERSIST THROUGH TUESDAY FOR A FEW SNOW SNOW SHOWERS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. SCATTERED SNOW SHOWERS...MIXED WITH RAIN AFTER 1200. ISOLATED THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....40-45. MIN HUMIDITY........50-56%. 20-FOOT WINDS.......SOUTHWEST 5-11 MPH. TRANSPORT WINDS.....SOUTHWEST 13-24 MPH. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 1100...THEN 4600-5600 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1700...THEN VERY GOOD. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY UNTIL 2100...THEN OCCASIONAL SNOW SHOWERS. ACCUMULATIONS OF 3 TO 7 INCHES POSSIBLE. MIN TEMPERATURE.....20-24. MAX HUMIDITY........90-95%. 20-FOOT WINDS.......SOUTHEAST 8-9 MPH UNTIL 2400...THEN NORTHEAST 5-9 MPH. TRANSPORT WINDS.....SOUTH 16-24 MPH UNTIL 2400...THEN EAST 4-8 MPH. MIXING HEIGHT.......4200-5200 FT AGL UNTIL 2000. 200-1200 FT AGL AFTER 2200. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........CLOUDY. SNOW LIKELY. ADDITIONAL ACCUMULATIONS OF 2 TO 5 INCHES. MAX TEMPERATURE.....26-30. MIN HUMIDITY........80-85%. 20-FOOT WINDS.......NORTH 10-20 MPH. TRANSPORT WINDS.....NORTH 5-16 MPH UNTIL 1200...THEN 20-24 MPH. MIXING HEIGHT.......4200-5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1500. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SUNDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600...THEN SLIGHT CHANCE OF SNOW SHOWERS. LOWS AROUND 11. HIGHS IN THE MID 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...PARTLY CLOUDY. LOWS AROUND 13. HIGHS IN THE LOWER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AFTER 1800. LOWS AROUND 18. HIGHS IN THE LOWER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR GREEN RIDGE RX. +++ 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 04/03-07 88 45 21 98 SW 9 1 911 SW 15 16013 P 04/03-08 88 45 23 93 SW 9 1 1563 SW 18 29305 P 04/03-09 88 45 26 85 SW 9 9 2 1 W71 2214 W 22 42597 F 04/03-10 88 45 29 74 SW 8 1 3287 W 22 63452 G 04/03-11 88 45 32 66 SW 8 1 4361 W 22 84307 G 04/03-12 100 48 35 61 W 8 8 2 2 SW62 5434 W 22 105162 V 04/03-13 100 48 37 58 SW 7 2 5481 SW 20 91281 G 04/03-14 100 48 38 56 SW 6 2 5528 SW 16 77400 G 04/03-15 100 48 39 56 SW 6 6 2 2 S45 5575 S 13 63518 G 04/03-16 100 48 38 56 SW 5 2 5501 S 20 90304 G 04/03-17 100 48 37 57 SW 3 2 5427 SW 25 117089 V 04/03-18 100 74 35 61 S 2 2 2 1 SW39 5353 SW 31 143875 V 04/03-19 100 74 34 64 S 3 1 4087 S 25 101967 V 04/03-20 100 74 31 72 S 5 1 2821 S 20 60059 G 04/03-21 100 96 28 81 SE 5 5 3 1 SW53 1555 S 14 18151 P 04/03-22 100 96 26 88 SE 6 1 1136 SE 10 12541 P 04/03-23 100 96 25 92 E 7 1 718 SE 8 6932 P 04/04-00 100 100 24 93 NE 7 7 2 1 SW45 299 E 5 1323 P 04/04-01 100 100 23 94 NE 7 1 288 E 5 1208 P 04/04-02 100 100 22 93 NE 6 1 277 E 5 1094 P 04/04-03 100 100 21 90 NE 5 5 2 1 S28 266 E 5 980 P 04/04-04 100 100 21 88 NE 5 1 495 NE 3 1530 P 04/04-05 100 100 21 84 NE 3 1 725 NE 3 2081 P 04/04-06 100 71 22 81 NE 2 2 2 1 S20 955 NE 3 2632 P 04/04-07 100 71 22 80 N 12 1 1931 NW 5 11169 P 04/04-08 100 71 22 82 N 12 1 2913 N 7 20853 P 04/04-09 100 71 23 80 N 13 13 2 1 N12 3895 N 9 30537 P 04/04-10 100 71 21 91 N 14 1 3920 N 13 43986 F 04/04-11 100 71 21 93 N 15 1 3945 N 17 57436 F 04/04-12 100 71 22 93 NE 16 25 2 1 N21 3971 N 21 70885 G 04/04-13 100 71 23 90 N 17 1 4444 N 22 83682 G 04/04-14 100 71 24 86 N 17 1 4916 N 22 96479 G 04/04-15 100 71 25 85 N 17 28 2 1 N22 5389 N 23 109275 V 04/04-16 100 71 23 88 N 17 1 5108 N 24 105104 V 04/04-17 100 71 21 95 N 17 1 4827 N 24 100933 V 04/04-18 93 70 19 100 N 17 28 2 1 N21 4546 N 24 96762 G 04/04-19 93 70 17 100 N 16 1 4120 N 23 84962 G 04/04-20 93 70 14 100 NW 16 1 3694 N 23 73162 G 04/04-21 93 70 14 100 NW 15 24 2 1 N21 3269 N 22 61362 G 04/04-22 93 70 13 100 W 13 1 3129 N 20 53767 F 04/04-23 93 70 13 100 W 12 1 2990 N 17 46173 F 04/05-00 77 44 12 100 W 10 10 2 1 N17 2851 N 16 38578 P 04/05-01 77 44 12 100 W 9 1 2806 N 14 34244 P 04/05-02 77 44 12 100 SW 7 1 2761 N 13 29910 P 04/05-03 77 44 12 96 SW 6 6 2 1 N17 2716 N 10 25576 P 04/05-04 77 44 11 95 S 5 1 2810 N 10 25490 P 04/05-05 77 44 11 95 S 3 1 2904 N 10 25404 P 04/05-06 56 10 12 89 S 2 2 2 1 N18 2998 N 9 25317 P 04/05-07 56 10 13 88 S 2 1 3554 N 10 33111 P 04/05-08 56 10 15 80 S 2 1 4111 N 12 40904 F 04/05-09 56 10 18 71 SW 3 3 2 1 NW16 4667 N 12 48697 F 04/05-10 56 10 22 62 SW 5 1 5790 N 13 65068 G 04/05-11 56 10 25 56 SW 5 1 6913 N 14 81439 G 04/05-12 56 10 28 52 W 6 6 2 1 NW18 8036 NW 14 97809 G 04/05-13 56 10 30 48 W 6 1 9206 NW 15 119508 V 04/05-14 56 10 31 47 W 6 1 10376 NW 15 141206 V 04/05-15 56 10 32 46 W 6 6 2 1 NW25 11546 NW 16 162905 E 04/05-16 56 10 32 47 W 5 1 11506 NW 17 175363 E 04/05-17 56 10 31 50 SW 5 1 11467 NW 18 187820 E 04/05-18 32 10 29 55 SW 5 5 2 1 W31 11428 NW 21 200278 E 04/05-19 32 10 28 58 SW 5 1 9648 NW 18 161263 E 04/05-20 32 10 25 65 SW 5 1 7868 NW 17 122248 V 04/05-21 32 10 21 74 S 5 5 2 1 NW36 6088 NW 16 83233 G 04/05-22 32 10 19 81 S 6 1 5684 NW 16 79010 G 04/05-23 32 10 18 84 SE 6 1 5281 NW 16 74786 G 04/06-00 32 0 17 87 SE 6 6 2 1 NW51 4878 NW 16 70563 G 04/06-01 32 0 16 89 SE 6 1 4695 NW 16 65803 G 04/06-02 32 0 15 91 SE 6 1 4513 NW 15 61042 G 04/06-03 32 0 14 92 SE 6 6 2 1 N75 4331 NW 15 56281 F 04/06-04 32 0 14 93 SE 6 1 4022 NW 14 50567 F 04/06-05 32 0 14 92 SE 6 1 3712 NW 14 44853 F 04/06-06 32 0 14 91 SE 6 6 2 1 N74 3403 NW 14 39138 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...LESZCYNSKI...WFO BOULDER REQUESTED BY...FELIX VALDEZ REASON FOR REQUEST...PRESCRIBED .TAG 20090403.GREEN.01/BOU