FNUS75 KBOU 070935 FWSBOU SPOT FORECAST FOR SAND CREEK RX...USFS NATIONAL WEATHER SERVICE DENVER CO 333 AM MDT TUE APR 7 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL RIDGE WILL BE OVER THE AREA THROUGH TONIGHT WITH A DRY AND STABLE AIRMASS IN PLACE. TEMPERATURES WILL BE WARMER WITH LOWER HUMIDITIES. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY UNTIL 1200...THEN PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....67. MIN HUMIDITY........10-15%. 20-FOOT WINDS.......WEST 10-16 MPH. TRANSPORT WINDS.....WEST 9-20 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 1300...THEN 5800-6800 FT AGL UNTIL 1500...THEN 8000-9000 FT AGL UNTIL 1700...THEN 6200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR UNTIL 1300...THEN GOOD UNTIL 1400...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....36. MAX HUMIDITY........56%. 20-FOOT WINDS.......WEST 8-12 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTHWEST 5-16 MPH. MIXING HEIGHT.......3600-4600 FT AGL UNTIL 2000. 400 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500...THEN PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS A FEW DRY AFTER 1400. MAX TEMPERATURE.....69. MIN HUMIDITY........19%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1200...THEN SOUTHEAST 8-13 MPH. TRANSPORT WINDS.....SOUTH 4-8 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 1200...THEN 5200-6200 FT AGL UNTIL 1400...THEN 8800-9800 FT AGL UNTIL 1700...THEN 5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1300...THEN FAIR UNTIL 1400...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW UNTIL 0600...THEN CHANCE OF RAIN AND SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW SHOWERS. MUCH COOLER. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. NORTH WINDS AROUND 8 MPH. .FRIDAY...PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW AFTER 1800. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SAND CREEK 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 04/07-03 2 0 34 42 SW 9 9 5 1 W28 192 SW 9 1496 P 04/07-04 2 0 33 42 SW 10 1 197 SW 9 1521 P 04/07-05 2 0 33 42 SW 10 1 202 SW 9 1546 P 04/07-06 3 0 34 41 SW 8 8 5 1 NW29 207 SW 9 1572 P 04/07-07 3 0 34 40 SW 7 1 362 SW 10 3802 P 04/07-08 3 0 39 34 SW 8 1 517 W 13 6032 P 04/07-09 3 0 44 29 SW 9 9 5 1 NW26 672 W 14 8263 P 04/07-10 3 0 50 24 W 10 1 1580 W 15 20896 P 04/07-11 3 0 55 21 W 10 1 2488 W 15 33530 P 04/07-12 35 0 59 18 W 12 12 5 1 NW24 3397 NW 16 46164 F 04/07-13 35 0 62 16 W 13 1 5305 NW 16 74044 G 04/07-14 35 0 64 14 W 14 1 7213 NW 16 101924 V 04/07-15 35 0 65 13 W 14 20 5 1 NW25 9121 NW 16 129805 V 04/07-16 35 0 65 13 W 14 1 7668 NW 16 109402 V 04/07-17 35 0 64 13 W 13 1 6216 NW 16 88999 G 04/07-18 35 0 60 15 W 12 12 5 1 NW24 4763 NW 16 68596 G 04/07-19 15 0 58 17 W 10 1 3335 W 14 46989 F 04/07-20 15 0 54 21 SW 8 1 1906 W 12 25383 P 04/07-21 15 0 49 28 SW 7 7 5 1 NW22 478 W 9 3776 P 04/07-22 15 0 45 34 SW 7 1 442 SW 8 3137 P 04/07-23 15 0 43 40 SW 7 1 406 SW 7 2499 P 04/08-00 15 0 42 45 S 7 7 5 1 NW21 370 SW 6 1860 P 04/08-01 15 0 40 49 SW 7 1 353 SW 6 1689 P 04/08-02 15 0 39 53 SW 6 1 335 SW 5 1518 P 04/08-03 15 0 38 54 SW 6 6 4 1 W23 318 SW 5 1346 P 04/08-04 15 0 37 56 S 6 1 360 SW 5 1366 P 04/08-05 15 0 38 55 S 5 1 403 SW 5 1385 P 04/08-06 15 0 38 53 S 5 5 5 1 W22 445 SW 3 1404 P 04/08-07 15 0 39 52 S 5 1 702 S 3 2074 P 04/08-08 15 0 42 47 S 5 1 959 S 3 2744 P 04/08-09 15 0 47 40 S 6 6 5 1 W33 1217 S 3 3414 P 04/08-10 26 0 53 32 SE 6 1 2347 S 5 10066 P 04/08-11 26 0 57 27 SE 6 1 3478 S 5 16718 P 04/08-12 26 0 61 24 SE 7 7 5 1 W22 4608 S 6 23371 P 04/08-13 26 0 64 22 SE 8 1 6739 S 7 46522 F 04/08-14 26 10 66 20 SE 8 2 8869 S 8 69674 G 04/08-15 53 10 67 19 SE 9 9 4 2 SW18 11000 S 9 92825 G 04/08-16 53 10 67 19 SE 10 2 8100 S 9 67682 G 04/08-17 53 10 65 21 SE 10 2 5200 S 9 42538 F 04/08-18 42 20 62 23 SE 12 17 4 1 SW17 2300 S 9 17394 P 04/08-19 42 20 59 26 S 12 1 1590 S 9 12107 P 04/08-20 42 20 54 31 S 12 1 880 S 10 6820 P 04/08-21 42 20 48 38 S 12 17 4 1 SW18 170 S 10 1533 P 04/08-22 42 20 45 44 S 12 1 160 S 10 1436 P 04/08-23 42 20 42 49 S 10 1 149 S 10 1339 P 04/09-00 76 20 40 52 S 10 16 3 1 SW22 139 SW 10 1242 P 04/09-01 76 20 38 56 SW 10 1 168 SW 9 1398 P 04/09-02 76 20 37 59 SW 10 1 197 W 9 1554 P 04/09-03 76 20 36 61 W 10 15 3 1 S15 226 W 9 1710 P 04/09-04 76 20 36 63 W 9 1 343 W 9 2821 P 04/09-05 76 20 36 62 NW 9 1 459 NW 9 3933 P 04/09-06 70 30 37 60 NW 9 9 3 1 SW 3 575 NW 10 5045 P 04/09-07 70 30 38 59 NW 9 1 1025 NW 13 13984 P 04/09-08 70 30 36 62 NW 8 1 1476 N 16 22923 P 04/09-09 70 30 38 59 N 8 8 2 1 NE14 1926 N 20 31863 P 04/09-10 70 30 41 54 N 7 1 2854 N 22 58713 F 04/09-11 70 30 42 51 N 7 1 3781 NW 24 85564 G 04/09-12 70 30 44 49 N 7 7 2 1 N24 4709 NW 28 112414 V 04/09-13 70 30 45 47 N 7 1 4516 NW 25 99656 G 04/09-14 70 30 46 46 N 8 1 4324 NW 23 86897 G 04/09-15 70 30 46 46 N 9 9 2 1 N28 4132 NW 21 74138 G 04/09-16 70 30 46 46 N 10 1 3407 NW 20 58866 F 04/09-17 70 30 45 47 N 10 1 2683 NW 18 43594 F 04/09-18 52 10 44 50 N 10 16 2 1 NW31 1958 N 16 28322 P 04/09-19 52 10 42 52 NE 9 1 2033 N 14 23983 P 04/09-20 52 10 40 55 NE 8 1 2108 N 10 19644 P 04/09-21 52 10 37 60 E 7 7 2 1 N33 2182 N 8 15305 P 04/09-22 52 10 36 62 SE 5 1 2077 N 7 12205 P 04/09-23 52 10 34 64 S 3 1 1972 N 5 9105 P 04/10-00 42 0 34 64 S 2 2 2 1 NW23 1866 NW 3 6005 P 04/10-01 42 0 33 65 S 2 1 1701 NW 3 4561 P 04/10-02 42 0 32 65 S 2 1 1536 W 2 3117 P 04/10-03 42 0 32 65 S 2 2 3 1 W13 1371 CALM 1673 P 04/10-04 42 0 31 65 SW 2 1 1308 W 2 2452 P 04/10-05 42 0 32 64 SW 3 1 1246 SW 3 3231 P 04/10-06 42 0 32 63 SW 3 3 3 1 W12 1184 SW 3 4010 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 $$ WFO BOULDER REQUESTED BY...SHAWN ARMSTRONG REASON FOR REQUEST...PRESCRIBED .TAG 20090407.SANDC.03/BOU