FNUS75 KBOU 250350 FWSBOU SPOT FORECAST FOR WWV...NIST NATIONAL WEATHER SERVICE DENVER CO 942 PM MDT TUE MAR 24 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WESTERLY FLOW ALOFT AND DAYTIME HEATING SHOULD BRING WESTERLY SURFACE WINDS FOR MOST OF THE DAY WEDNESDAY. HOWEVER... THERE COULD BE A COUPLE HOURS OF DIURNAL SOUTHEAST WINDS ESPECIALLY DURING THE MORNING HOURS. TEMPERATURES WILL BE A FEW DEGREES BELOW NORMAL WITH MODERATE HUMIDITY READINGS. THE AIRMASS IS SLIGHTLY UNSTABLE WITH JUST A SLIGHT CHANCE OF A PASSING RAIN OR SNOW SHOWER. A STORM SYSTEM AND STRONG COLD FRONT IS FORECAST TO MOVE ACROSS THE AREA BY THURSDAY MORNING USHERING IN MUCH COLDER TEMPERATURES AND A THREAT OF ACCUMULATING SNOWFALL. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS. MAX TEMPERATURE.....50. MIN HUMIDITY........27%. 20-FOOT WINDS.......WEST 7-11 MPH...PERHAPS A PERIOD OF SOUTHEAST WINDS 5-10 MPH FROM 0800-1100. TRANSPORT WINDS.....WEST 4-12 MPH UNTIL 1200...THEN 17-28 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...INCREASING TO 12000-14000 FT AGL AFTER 1400. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR UNTIL 1100...THEN GOOD UNTIL 1200...THEN EXCELLENT BY 1300. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY NIGHT... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 2400...THEN SLIGHT CHANCE OF SNOW. MIN TEMPERATURE.....22. MAX HUMIDITY........81%. 20-FOOT WINDS.......SOUTHWEST 8-14 MPH UNTIL 2400...THEN SOUTHEAST 4-5 MPH. TRANSPORT WINDS.....WEST 16-24 MPH UNTIL 2400...THEN SOUTH 4-8 MPH. MIXING HEIGHT.......12200 FT AGL UNTIL 1900. 400-1400 FT AGL AFTER 2300. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2400. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1200...THEN SNOW LIKELY. MAX TEMPERATURE.....34. MIN HUMIDITY........57%. 20-FOOT WINDS.......NORTHEAST 7-8 MPH UNTIL 1500...THEN NORTH 14-20 MPH. TRANSPORT WINDS.....EAST UP TO 4 MPH UNTIL 1200...THEN 12-20 MPH. MIXING HEIGHT.......2200-3200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1600. GOOD AFTER 1700. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. CHANCE OF SNOW UNTIL 0600...THEN SLIGHT CHANCE OF SNOW UNTIL 1200. LOWS AROUND 19. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 12 MPH WITH GUSTS TO AROUND 25 MPH. .MONDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS AROUND 50. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR WWV. +++ 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 03/25-05 65 7 27 57 SW 2 1 197 SW 3 608 P 03/25-06 70 20 27 57 SW 2 2 3 1 W23 182 SW 3 513 P 03/25-07 70 20 27 59 SW 2 1 824 W 5 4004 P 03/25-08 70 20 30 58 CALM 1 1465 W 5 7494 P 03/25-09 70 20 33 53 CALM 1 3 1 W24 2107 W 6 10985 P 03/25-10 70 20 37 46 CALM 1 4322 W 9 47356 F 03/25-11 70 20 41 39 SW 2 1 6536 W 13 83727 G 03/25-12 70 20 44 34 W 3 3 3 1 W25 8751 W 16 120097 V 03/25-13 70 20 46 31 W 5 1 10750 W 18 181617 E 03/25-14 70 20 48 28 W 7 1 12748 W 21 243136 E 03/25-15 70 20 49 27 W 8 8 3 1 W33 14747 W 24 304656 E 03/25-16 70 20 48 27 W 9 1 13921 W 25 300790 E 03/25-17 70 20 47 29 SW 9 1 13096 W 26 296925 E 03/25-18 75 10 44 33 SW 10 16 3 1 W26 12271 W 28 293064 E 03/25-19 75 10 43 34 W 14 1 9673 W 28 230513 E 03/25-20 75 10 39 39 W 10 1 7076 W 28 167962 E 03/25-21 75 10 37 43 W 7 7 3 1 NW23 4478 W 28 105410 V 03/25-22 75 10 30 56 SW 6 1 3048 W 20 70446 G 03/25-23 75 10 28 60 S 5 1 1617 SW 12 35482 P 03/26-00 95 24 27 62 SE 3 3 3 1 W26 187 S 3 518 P 03/26-01 95 24 25 66 SE 2 1 176 S 3 488 P 03/26-02 95 24 24 71 SE 2 1 164 S 3 457 P 03/26-03 95 24 24 75 CALM 1 3 1 W33 153 S 3 426 P 03/26-04 95 24 23 78 E 2 1 158 SE 2 341 P 03/26-05 95 24 24 80 NE 2 1 163 E 2 255 P 03/26-06 96 45 24 81 N 2 2 2 1 W29 168 CALM 170 P 03/26-07 96 45 24 80 N 3 1 194 E 2 419 P 03/26-08 96 45 24 81 NE 3 1 220 E 3 668 P 03/26-09 96 45 26 76 NE 3 3 2 1 W43 246 E 5 917 P 03/26-10 96 45 28 69 NE 3 1 764 E 6 4400 P 03/26-11 96 45 29 65 NE 2 1 1282 SE 6 7884 P 03/26-12 96 60 31 62 NE 2 2 2 1 W18 1800 SE 7 11367 P 03/26-13 96 60 32 59 NE 5 1 2083 SE 8 13984 P 03/26-14 96 60 33 58 NE 7 1 2366 E 8 16601 P 03/26-15 96 60 33 57 N 8 8 3 1 W 7 2649 E 8 19218 P 03/26-16 96 60 33 59 N 14 1 3115 E 17 53255 F 03/26-17 96 60 32 59 N 20 1 3581 NE 25 87292 G 03/26-18 97 53 30 65 N 24 33 2 1 SE10 4046 NE 35 121329 V 03/26-19 97 53 29 67 N 24 1 4013 N 36 124334 V 03/26-20 97 53 27 73 N 24 1 3979 N 37 127340 V 03/26-21 97 53 25 81 N 24 33 2 1 SE30 3945 N 38 130345 V 03/26-22 97 53 24 86 N 23 1 3869 N 38 126052 V 03/26-23 97 53 23 90 N 21 1 3794 N 37 121760 V 03/27-00 96 43 22 93 N 20 28 2 1 E38 3718 N 37 117468 V 03/27-01 96 43 21 93 N 18 1 3539 N 36 108469 V 03/27-02 96 43 21 92 N 16 1 3361 N 33 99471 G 03/27-03 96 43 20 91 N 14 20 2 1 E40 3182 N 32 90472 G 03/27-04 96 43 20 89 N 12 1 3038 N 33 87247 G 03/27-05 96 43 20 87 NW 10 1 2894 N 33 84022 G 03/27-06 64 10 20 88 NW 8 8 2 1 E38 2750 N 33 80797 G 03/27-07 64 10 21 84 NW 7 1 2881 N 31 76172 G 03/27-08 64 10 23 87 NW 7 1 3013 N 28 71547 G 03/27-09 64 10 26 82 NW 7 7 2 1 E35 3145 N 24 66922 G 03/27-10 64 10 29 73 NW 7 1 3574 N 21 61560 G 03/27-11 64 10 32 64 NW 8 1 4004 N 17 56199 F 03/27-12 50 3 34 57 NW 8 8 2 1 E22 4433 N 13 50838 F 03/27-13 50 3 36 49 NW 9 1 4735 N 12 46463 F 03/27-14 50 3 38 42 NW 9 1 5036 N 10 42087 F 03/27-15 50 3 38 38 NW 9 9 2 1 NE14 5338 N 8 37712 P 03/27-16 50 3 38 38 NW 10 1 4783 N 8 33457 P 03/27-17 50 3 37 39 NW 10 1 4229 NW 8 29202 P 03/27-18 24 0 35 42 NW 12 12 2 1 N16 3674 NW 8 24947 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...MATT DEUTCH REASON FOR REQUEST...PRESCRIBED .TAG 20090325.WWV__.01/BOU