FNUS75 KBOU 071451 FWSBOU SPOT FORECAST FOR SHADED FUEL BREAK...USFS NATIONAL WEATHER SERVICE DENVER CO 751 AM MST WED MAR 7 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A POST FRONTAL ARCTIC AIRMASS WILL BE OVER THE AREA TODAY. LOW LEVEL MOISTURE WILL HANG OVER THE AREA THIS MORNING WITH AREAS OF FREEZING FOG AND PATCHY FREEZING DRIZZLE. MOISTURE IS EXPECTED TO DEEPEN THIS AFTERNOON ALLOWING FOR LIGHT SNOW TO DEVELOP THIS AFTERNOON AND EVENING...AND LAST THROUGH EARLY THURSDAY MORNING. TOTAL SNOW AMOUNTS WILL BE LOW...MOST LIKELY LESS THAN 3 INCHES. SMOKE DISPERSAL IS EXPECTED TO REMAIN LESS THAN OPTIMAL OVER THE NEXT 24 HOURS UNDER THE FRONTAL INVERSION...HOWEVER WILL BE IMPROVING SLIGHTLY THIS EARLY AFTERNOON AS SURFACE TEMPERATURES WARM SLIGHTLY AND A BIT OF LIFT ALOFT MOVES OVERHEAD. WILL GO INTO A WARMER AND DRIER PATTERN AFTER THURSDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FREEZING FOG UNTIL 1100. AREAS OF LIGHT FREEZING DRIZZLE UNTIL 1100. CHANCE OF SNOW UNTIL 1700...THEN SNOW LIKELY. MAX TEMPERATURE.....32. MIN HUMIDITY........47%. 20-FOOT WINDS.......EAST WINDS 7-13 MPH. TRANSPORT WINDS.....SOUTH 9-20 MPH. MIXING HEIGHT.......4400-5400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1600...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........2 VERY LOW. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 2300...THEN CHANCE OF SNOW. MIN TEMPERATURE.....16. MAX HUMIDITY........100%. 20-FOOT WINDS.......NORTHEAST WINDS 6-7 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....NORTH 8-16 MPH. MIXING HEIGHT.......2000-3000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1100...THEN PARTLY CLOUDY(30-40%) UNTIL 1700...THEN MOSTLY SUNNY. CHANCE OF SNOW UNTIL 1100. MAX TEMPERATURE.....38. MIN HUMIDITY........31%. 20-FOOT WINDS.......NORTHEAST WINDS 7-13 MPH. TRANSPORT WINDS.....NORTHEAST 12-16 MPH. MIXING HEIGHT.......5200-6200 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 0800...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1700...THEN FAIR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 50S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. WEST WINDS AROUND 5 MPH. FIRE WEATHER TABLE FOR SHADED FUEL BREAK. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT 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 03/07-07 77 31 10 26 75 NE 7 7 2 1 S52 2188 S 5 11327 P 03/07-08 77 31 10 28 75 NE 8 13 2 1 S55 2832 S 7 16307 P 03/07-09 77 31 10 29 68 NE 8 13 2 1 S55 3534 S12 40490 F 03/07-10 77 31 10 31 58 NE 7 7 2 1 S54 4237 S16 64673 G 03/07-11 89 41 18 31 52 E 7 7 2 1 S53 4939 S21 88855 G 03/07-12 89 41 18 31 49 E 8 8 2 1 SW56 5134 S20 86901 G 03/07-13 89 41 18 32 47 E 8 14 2 1 SW62 5328 S18 84947 G 03/07-14 89 41 18 32 47 E 9 15 2 1 SW64 5523 S17 82993 G 03/07-15 89 41 18 31 50 E 9 14 2 1 SW62 5163 SW14 65976 G 03/07-16 89 41 18 29 59 E 8 13 2 1 SW58 4804 SW12 48959 F 03/07-17 91 55 30 27 70 NE 7 7 2 1 SW51 4444 SW 8 31942 P 03/07-18 91 55 30 24 86 NE 7 7 2 1 SW41 3757 W 8 26320 P 03/07-19 91 55 30 22 95 NE 7 7 2 1 SW31 3070 N 8 20698 P 03/07-20 91 55 30 22 99 NE 7 7 2 1 SW23 2382 N 7 15075 P 03/07-21 91 55 30 21 100 NE 7 7 2 1 S17 2245 N 8 15329 P 03/07-22 91 55 30 20 100 NE 6 6 2 1 SE15 2108 N 8 15583 P 03/07-23 90 43 20 19 100 NE 6 6 2 1 E13 1970 N 9 15837 P 03/08-00 90 43 20 19 100 NE 6 6 2 1 E13 2000 N10 17399 P 03/08-01 90 43 20 18 100 NE 5 5 2 1 E13 2030 N10 18961 P 03/08-02 90 43 20 18 100 NE 5 5 2 1 E14 2059 N12 20524 P 03/08-03 90 43 20 17 100 N 3 3 2 1 E15 1959 N14 22919 P 03/08-04 90 43 20 17 100 N 3 3 2 1 NE16 1858 N16 25315 P 03/08-05 60 34 13 17 99 N 3 3 2 1 NE22 2183 N12 21723 P 03/08-06 60 34 13 16 99 N 5 5 2 1 NE24 2615 N13 30236 P 03/08-07 60 34 13 18 87 N 7 7 2 1 NE25 3047 NE14 38748 P 03/08-08 60 34 13 25 63 N 9 15 2 1 NE26 3478 NE16 47261 F 03/08-09 60 34 13 28 53 N 9 14 2 1 NE28 4312 NE16 59659 F 03/08-10 60 34 13 34 41 NE 8 14 2 1 E28 5145 NE16 72058 G 03/08-11 37 2 0 35 38 NE 8 13 2 1 E28 5978 NE16 84457 G 03/08-12 37 2 0 36 36 NE 8 14 2 1 E28 6376 NE16 88223 G 03/08-13 37 2 0 38 33 NE 9 14 2 1 E26 6774 NE16 91989 G 03/08-14 37 2 0 38 32 NE 9 15 2 1 E25 7172 NE15 95756 G 03/08-15 37 2 0 38 31 NE 8 14 2 1 E24 6329 NE15 82497 G 03/08-16 37 2 0 36 32 NE 8 13 2 1 E24 5485 NE14 69238 G 03/08-17 9 0 0 33 35 N 7 7 2 1 E25 4641 NE14 55980 F 03/08-18 9 0 0 30 44 N 7 7 2 1 E26 3901 NE15 48570 F 03/08-19 9 0 0 28 53 N 7 7 2 1 E29 3161 NE15 41159 F 03/08-20 9 0 0 28 60 N 7 7 2 1 E31 2421 N16 33749 P 03/08-21 9 0 0 26 65 N 6 6 2 1 E33 2429 NE13 27102 P 03/08-22 9 0 0 26 68 NW 5 5 3 1 E37 2438 E 9 20455 P 03/08-23 9 0 0 25 68 NW 3 3 3 1 E39 2447 E 7 13808 P 03/09-00 9 0 0 25 67 NW 3 3 3 1 E40 2036 SE 5 9542 P 03/09-01 9 0 0 25 66 W 3 3 4 1 E41 1625 SW 2 5277 P 03/09-02 9 0 0 24 65 W 3 3 4 1 E43 1214 CALM 1011 P 03/09-03 9 0 0 23 65 W 3 3 4 1 E43 898 CALM 920 P 03/09-04 9 0 0 23 63 W 5 5 4 1 E43 581 W 2 828 P 03/09-05 10 8 2 22 61 W 5 5 4 1 E41 265 W 3 737 P 03/09-06 10 8 2 21 63 W 3 3 4 1 NE41 1001 NW 3 3516 P 03/09-07 10 8 2 24 58 W 2 2 4 1 NE40 1737 N 3 6295 P 03/09-08 10 8 2 33 41 CALM 1 4 1 NE39 2473 NE 5 9074 P 03/09-09 10 8 2 38 34 CALM 1 4 1 NE38 4159 NE 8 42021 F 03/09-10 10 8 2 46 26 SE 2 2 4 1 NE36 5846 NE13 74967 G 03/09-11 10 8 2 47 25 E 2 2 4 1 NE35 7533 E16 107913 V 03/09-12 10 8 2 48 24 E 2 2 4 1 NE33 8393 E17 127335 V 03/09-13 10 8 2 51 22 E 2 2 3 1 NE32 9252 E18 146756 V 03/09-14 10 8 2 51 22 E 2 2 3 1 NE33 10112 E18 166177 E 03/09-15 10 8 2 51 23 E 2 2 3 1 NE33 8435 NE17 130756 V 03/09-16 10 8 2 47 27 NE 3 3 3 1 E35 6757 NE15 95334 G 03/09-17 16 6 1 43 33 NE 3 3 3 1 E36 5080 NE14 59912 F 03/09-18 16 6 1 36 43 E 3 3 3 1 E36 3756 NE10 41427 F 03/09-19 16 6 1 34 48 E 3 3 3 1 NE35 2432 NE 8 22943 P 03/09-20 16 6 1 33 50 SE 3 3 3 1 NE33 1108 NE 5 4458 P 03/09-21 16 6 1 31 55 S 2 2 3 1 NE33 849 N 3 3047 P 03/09-22 16 6 1 29 58 SW 2 2 2 1 NE35 590 N 2 1636 P 03/09-23 16 6 1 29 59 SW 2 2 2 1 NE35 332 CALM 226 P 03/10-00 16 6 1 29 58 SW 2 2 2 1 NE36 304 CALM 384 P 03/10-01 16 6 1 28 57 SW 3 3 2 1 NE36 277 W 2 542 P 03/10-02 16 6 1 27 57 SW 5 5 2 1 NE35 249 W 3 701 P 03/10-03 16 6 1 25 61 SW 5 5 2 1 NE33 217 W 3 676 P 03/10-04 16 6 1 24 60 W 6 6 2 1 NE31 185 W 5 651 P 03/10-05 9 3 1 23 61 W 6 6 2 1 NE28 152 W 5 626 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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...DOUG BROMBERGER REASON FOR REQUEST...PRESCRIBED .TAG 20120307.SHADE.01/BOU