FNUS75 KBOU 171034 FWSBOU SPOT FORECAST FOR HAYSTACK...USFS NATIONAL WEATHER SERVICE DENVER CO 434 AM MDT WED MAR 17 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A HIGH PRESSURE SYSTEM OVER THE AREA WILL BRING WARM AND DRY CONDITIONS TODAY AND THURSDAY WITH LIGHT WINDS. BECAUSE OF THE HIGH PRESSURE SYSTEM...TRANSPORT WINDS WILL BE LIGHT CAUSING SMOKE DISPERSAL TO BE FAIR. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....66-71. MIN HUMIDITY........10-15%. WIND (20 FT)........WEST 7-13 MPH UNTIL 0900...THEN SOUTHEAST 2-8 MPH. TRANSPORT WINDS.....NORTHWEST 4-12 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1100...THEN 7000-8000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100. FAIR AFTER 1200. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....34-39. MAX HUMIDITY........46-54%. WIND (20 FT)........WEST 6-12 MPH UNTIL 0300...THEN DECREASING TO WEST 2-8 MPH. TRANSPORT WINDS.....WEST 4-8 MPH. MIXING HEIGHT.......6800-7800 FT AGL UNTIL 2000. 200-1200 FT AGL AFTER 2400. SMOKE DISPERSAL.....POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). MAX TEMPERATURE.....64-69. MIN HUMIDITY........17-23%. WIND (20 FT)........WEST 5-12 MPH. TRANSPORT WINDS.....WEST 5-12 MPH. MIXING HEIGHT.......800-1800 FT AGL UNTIL 1100...THEN 4200-5200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1400...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EXPERIMENTAL FIRE WEATHER TABLE FOR HAYSTACK. +++ 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 03/17-04 0 0 38 51 SW 7 1 141 W 7 852 P 03/17-05 0 0 37 52 W 7 1 138 W 7 780 P 03/17-06 5 0 36 53 W 6 6 3 1 N22 134 W 6 707 P 03/17-07 5 0 35 55 W 9 1 179 W 6 974 P 03/17-08 5 0 36 52 W 8 1 223 W 7 1241 P 03/17-09 5 0 42 41 W 7 7 3 1 N16 267 W 7 1508 P 03/17-10 5 0 48 31 SW 6 1 2169 W 7 14813 P 03/17-11 5 0 54 25 SW 3 1 4071 NW 8 28118 P 03/17-12 18 0 59 20 S 2 2 3 1 N10 5973 NW 8 41423 F 03/17-13 18 0 63 17 SE 2 1 6772 NW 8 46336 F 03/17-14 18 0 65 15 SE 3 1 7571 NW 8 51250 F 03/17-15 18 0 66 14 SE 3 3 3 1 NW 9 8370 NW 8 56163 F 03/17-16 18 0 67 15 SE 5 1 8162 NW 7 50622 F 03/17-17 18 0 66 15 S 7 1 7955 W 7 45081 F 03/17-18 22 0 65 17 SW 5 5 3 1 NW 8 7748 W 6 39540 P 03/17-19 22 0 60 22 SW 7 1 6615 W 6 34344 P 03/17-20 22 0 55 27 W 9 1 5483 W 6 29147 P 03/17-21 22 0 52 33 W 10 10 3 1 W12 4351 W 7 23951 P 03/17-22 22 0 49 37 W 10 1 3281 W 7 18451 P 03/17-23 22 0 46 41 W 10 1 2210 W 7 12952 P 03/18-00 25 0 45 44 W 9 9 3 1 W16 1140 NW 8 7452 P 03/18-01 25 0 45 44 W 8 1 921 NW 7 5846 P 03/18-02 25 0 42 47 W 8 1 702 W 7 4239 P 03/18-03 25 0 41 49 W 7 7 3 1 W15 482 W 6 2633 P 03/18-04 25 0 40 51 W 7 1 390 W 7 2265 P 03/18-05 25 0 39 54 W 6 1 297 W 8 1897 P 03/18-06 32 0 38 54 W 9 9 3 1 W15 204 W 8 1529 P 03/18-07 32 0 39 54 W 8 1 445 NW 5 1783 P 03/18-08 32 0 41 52 W 8 1 726 N 5 2851 P 03/18-09 32 0 45 47 W 7 7 3 1 W16 1007 N 5 3920 P 03/18-10 32 0 50 40 W 6 1 2185 N 6 13054 P 03/18-11 32 0 55 34 W 3 1 3364 W 7 22189 P 03/18-12 37 5 58 29 W 2 2 3 1 W23 4542 W 8 31323 P 03/18-13 37 5 61 25 W 3 1 4817 W 9 39324 P 03/18-14 37 5 63 22 W 5 1 5092 W 10 47325 F 03/18-15 37 5 64 21 W 6 6 2 1 W30 5367 W 12 55326 F 03/18-16 37 5 63 21 W 6 1 5085 W 9 43233 F 03/18-17 37 5 61 23 NW 6 1 4804 W 7 31139 P 03/18-18 69 9 57 28 NW 6 6 2 1 W32 4523 W 5 19046 P 03/18-19 69 9 54 31 NW 5 1 3104 W 5 12889 P 03/18-20 69 9 49 38 NW 5 1 1685 N 3 6732 P 03/18-21 69 9 45 45 NW 5 5 3 1 W23 266 N 2 575 P 03/18-22 69 9 42 52 NW 3 1 234 N 3 599 P 03/18-23 69 9 40 58 N 3 1 201 N 3 623 P 03/19-00 98 42 38 63 N 2 2 2 1 W30 168 N 5 647 P 03/19-01 98 42 36 68 N 5 1 171 N 5 690 P 03/19-02 98 42 34 72 NE 6 1 174 N 5 734 P 03/19-03 98 42 33 76 NE 7 7 2 1 W29 177 N 5 778 P 03/19-04 98 42 30 84 NE 9 1 272 N 8 2267 P 03/19-05 98 42 28 93 NE 10 1 367 N 10 3756 P 03/19-06 100 72 28 90 NE 12 12 2 1 NW24 462 NE 13 5245 P 03/19-07 100 72 29 89 N 13 1 856 N 14 10827 P 03/19-08 100 72 30 88 N 14 1 1250 N 15 16409 P 03/19-09 100 72 30 87 N 14 20 2 1 NW18 1644 N 15 21992 P 03/19-10 100 72 30 87 N 15 1 2161 N 16 29850 P 03/19-11 100 72 30 86 N 15 1 2678 NE 16 37708 P 03/19-12 99 68 29 86 N 15 21 2 1 NW20 3195 NE 16 45567 F 03/19-13 99 68 29 86 N 14 1 3650 NE 15 47484 F 03/19-14 99 68 28 87 N 13 1 4106 NE 14 49401 F 03/19-15 99 68 27 85 N 12 12 2 1 W23 4561 NE 13 51318 F 03/19-16 99 68 26 90 N 10 1 4406 NE 15 55947 F 03/19-17 99 68 25 94 NE 9 1 4251 NE 16 60576 G 03/19-18 94 50 24 96 NE 8 8 2 1 W17 4095 NE 18 65205 G 03/19-19 94 50 23 95 NE 9 1 03/19-20 94 50 22 93 NE 9 1 03/19-21 94 50 20 93 NE 10 10 1 03/19-22 94 50 19 95 NE 10 1 03/19-23 94 50 19 95 NE 9 1 03/20-00 83 28 17 98 NE 8 8 1 03/20-01 83 28 16 100 N 7 1 03/20-02 83 28 15 100 N 6 1 03/20-03 83 28 14 100 N 3 3 1 03/20-04 83 28 13 93 N 5 1 03/20-05 83 28 12 81 NW 5 1 03/20-06 32 6 12 75 W 5 5 1 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 20100317.HAYST.01/BOU