FNUS75 KBOU 291206 FWSBOU SPOT FORECAST FOR COW CREEK...NPS NATIONAL WEATHER SERVICE DENVER CO 546 AM MDT WED SEP 29 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...ANOTHER WARM AND DRY DAY IS EXPECTED AT THE BURN SITE TODAY. BREEZY NORTHWEST WINDS ARE EXPECTED TO SHIFT TO THE NORTHEAST OR EAST AFTER THE PASSAGE OF A COLD FRONT AROUND 9 TO 10 AM. HOWEVER...WIND SPEEDS ARE EXPECTED TO GRADUALLY WEAKEN AFTER THE FRONTAL PASSAGE. LOW HUMIDITIES WILL PREVAIL THROUGH THE DAY...WITH ONLY SLOW IMPROVEMENT LATE THIS AFTERNOON AND EVENING. LIGHT UPSLOPE WINDS ARE EXPECTED THURSDAY WITH SIMILAR TEMPERATURES AND HUMIDITIES. THERE WILL BE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS ENTERING THE PICTURE BY SATURDAY. HOWEVER...THE CHANCES OF ANY SIGNIFICANT PRECIPITATION SEEM LOW. TEMPERATURES WILL REMAIN WARMER THAN NORMAL WITH GENERALLY LOW HUMIDITY READINGS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....68. MIN HUMIDITY........16%. 20-FOOT WINDS.......NORTHWEST WINDS AROUND 14 MPH WITH GUSTS TO 20 MPH UNTIL 0900...THEN NORTHEAST 10-16 MPH. TRANSPORT WINDS.....NORTHWEST 8-16 MPH UNTIL 1200...THEN SOUTHWEST 0-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 4800-5800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....40. MAX HUMIDITY........58%. 20-FOOT WINDS.......SOUTH WINDS 6-12 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH. TRANSPORT WINDS.....SOUTH 4-12 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 2300. BELOW 1000 FT AGL AFTER 0100. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....68-70. MIN HUMIDITY........18-20%. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....WEST 5-16 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 7400-8400 FT AGL AFTER 1100. SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1500. HAINES INDEX........5 MODERATE. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 6 MPH. .SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH. FIRE WEATHER TABLE FOR COW CREEK. +++ 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 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 09/29-05 1 0 58 17 W 14 1 475 W 20 8040 P 09/29-06 4 0 57 17 W 14 21 4 1 NW12 526 W 20 9042 P 09/29-07 4 0 59 17 NW 14 1 1719 NW 16 16405 P 09/29-08 4 0 62 16 NW 14 1 2911 NW 13 23767 P 09/29-09 4 0 65 16 NW 14 21 3 1 W22 4104 N 9 31130 P 09/29-10 4 0 67 16 NE 13 1 4593 NW 7 23707 P 09/29-11 4 0 67 18 NE 12 1 5082 NW 5 16284 P 09/29-12 4 0 67 19 NE 11 17 3 1 W25 5570 NW 2 8861 P 09/29-13 4 0 67 20 NE 10 1 5951 NW 2 9123 P 09/29-14 14 0 68 20 NE 9 1 6333 CALM 9385 P 09/29-15 14 0 68 20 NE 8 8 2 1 W26 6714 CALM 9648 P 09/29-16 14 0 67 20 E 8 1 5482 S 5 15189 P 09/29-17 14 0 67 21 E 9 1 4251 SE 7 20731 P 09/29-18 14 0 54 34 E 9 14 2 1 NW29 3020 SE 10 26273 P 09/29-19 14 0 53 37 E 9 1 2622 SE 10 24088 P 09/29-20 14 0 53 38 SE 9 1 2225 SE 12 21903 P 09/29-21 14 0 53 39 SE 8 8 2 1 W26 1827 SE 13 19717 P 09/29-22 14 0 51 43 SE 7 1 1519 SE 13 16216 P 09/29-23 14 0 49 47 SE 6 1 1211 S 12 12715 P 09/30-00 19 0 47 51 S 5 5 2 1 W29 903 S 12 9213 P 09/30-01 19 0 46 53 S 3 1 722 S 9 6636 P 09/30-02 19 0 45 54 S 3 1 541 S 7 4059 P 09/30-03 19 0 44 55 SW 3 3 2 1 W29 360 S 5 1482 P 09/30-04 19 0 43 57 SW 3 1 288 SW 5 1142 P 09/30-05 19 0 42 58 W 3 1 215 W 5 802 P 09/30-06 6 0 41 58 W 3 3 4 1 W28 143 W 3 463 P 09/30-07 6 0 42 57 W 3 1 753 W 5 4614 P 09/30-08 6 0 51 40 SW 3 1 1362 W 6 8766 P 09/30-09 6 0 60 29 SW 3 3 5 1 W25 1972 W 8 12917 P 09/30-10 6 0 65 24 SE 3 1 3364 W 9 31527 P 09/30-11 6 0 67 22 SE 5 1 4757 W 12 50137 F 09/30-12 8 0 69 20 SE 5 5 3 1 W24 6149 W 13 68746 G 09/30-13 8 0 70 19 SE 5 1 7061 W 14 89037 G 09/30-14 8 0 71 18 SE 5 1 7973 W 15 109327 V 09/30-15 8 0 72 18 SE 5 5 3 1 W26 8885 W 17 129617 V 09/30-16 8 0 71 19 S 5 1 8674 W 17 126749 V 09/30-17 8 0 70 20 SW 3 1 8463 W 17 123880 V 09/30-18 12 0 69 21 SW 3 3 4 1 W26 8251 W 17 121012 V 09/30-19 12 0 65 24 SW 3 1 5977 W 14 83998 G 09/30-20 12 0 62 26 SW 3 1 3702 W 12 46984 F 09/30-21 12 0 60 27 SW 5 5 5 1 W28 1427 W 8 9970 P 09/30-22 12 0 58 27 SW 6 1 1055 W 8 7392 P 09/30-23 12 0 57 27 W 6 1 682 W 8 4814 P 10/01-00 15 0 55 27 W 7 7 5 1 W23 309 W 8 2237 P 10/01-01 15 0 54 28 W 7 1 277 W 8 1935 P 10/01-02 15 0 53 28 W 7 1 245 W 8 1633 P 10/01-03 15 0 52 29 W 7 7 5 1 W22 212 W 7 1331 P 10/01-04 15 0 52 27 W 8 1 208 W 7 1295 P 10/01-05 15 0 51 25 W 8 1 203 NW 7 1258 P 10/01-06 16 0 51 24 W 8 8 4 1 NW22 199 NW 7 1222 P 10/01-07 16 0 52 26 NW 7 1 1792 NW 8 15017 P 10/01-08 16 0 56 26 NW 5 1 3386 NW 9 28812 P 10/01-09 16 0 61 24 NW 3 3 3 1 NW23 4979 NW 10 42607 F 10/01-10 16 0 66 20 NW 3 1 7074 NW 10 67864 G 10/01-11 16 0 68 17 N 3 1 9169 NW 12 93121 G 10/01-12 20 0 70 15 N 3 3 3 1 NW24 11265 NW 13 118379 V 10/01-13 20 0 71 15 NE 5 1 11837 NW 12 120507 V 10/01-14 20 0 72 15 NE 5 1 12409 W 12 122636 V 10/01-15 20 0 72 15 NE 6 6 3 1 W22 12981 W 12 124765 V 10/01-16 20 0 72 16 NE 6 1 12588 W 10 107927 V 10/01-17 20 0 70 17 E 5 1 12195 W 8 91090 G 10/01-18 17 0 69 18 E 5 5 3 1 W22 11802 W 7 74252 G 10/01-19 17 0 64 22 NE 6 1 9159 SW 6 53295 F 10/01-20 17 0 61 26 N 7 1 6517 SE 5 32339 P 10/01-21 17 0 59 28 NW 8 8 3 1 W20 3874 E 3 11382 P 10/01-22 17 0 57 31 NW 8 1 3308 SE 3 10791 P 10/01-23 17 0 56 32 W 8 1 2743 S 5 10201 P 10/02-00 22 0 53 35 W 8 8 3 1 W14 2177 S 5 9610 P 10/02-01 22 0 52 36 NW 7 1 1755 S 5 6945 P 10/02-02 22 0 51 37 N 6 1 1333 SW 3 4280 P 10/02-03 22 0 50 38 N 5 5 3 1 NW 9 911 SW 2 1615 P 10/02-04 22 0 49 38 N 3 1 734 CALM 1159 P 10/02-05 22 0 49 37 NE 2 1 556 CALM 704 P 10/02-06 20 0 48 36 CALM 1 3 1 N12 379 CALM 249 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...FIRE OPERATIONS REASON FOR REQUEST...WILDFIRE .TAG 20100928.COWCR.01/BOU