FNUS75 KBOU 090005 FWSBOU SPOT FORECAST FOR YPSILON SAR...USFS NATIONAL WEATHER SERVICE DENVER CO 555 PM MDT WED JUL 8 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...JUST A FEW CUMULUS BUILDUPS EARLY THIS EVENING BUT NO THUNDERSTORMS ARE EXPECTED. TEMPERATURES AROUND 13000 FEET WILL BE IN THE 60S BUT DROP AFTER SUNSET WITH READINGS IN THE 50S. OVERNIGHT LOWS SHOULD BE IN THE MID TO UPPER 30S. LOOKS LIKE WINDS SHOULD BE SOUTHWEST WITH SPEEDS OF 20-30 MPH WITH GUSTS TO 40 MPH POSSIBLE THROUGH MIDNIGHT BUT THEN DECREASE TO 15-20 MPH THEREAFTER WITH SOME GUSTS TO 25 MPH AT TIMES. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY UNTIL 1800...THEN MOSTLY CLEAR. MIN TEMPERATURE.....37. MAX HUMIDITY........45%. 20-FOOT WINDS.......BREEZY. SOUTHWEST 18-28 MPH. TRANSPORT WINDS.....WEST 24-32 MPH UNTIL 2400...THEN SOUTHWEST 16-20 MPH. MIXING HEIGHT.......9000-9800 FT AGL UNTIL 1900. 200-1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........SUNNY UNTIL 1200...THEN PARTLY CLOUDY. SLIGHT CHANCE OF DRY THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....64. MIN HUMIDITY........19%. 20-FOOT WINDS.......BREEZY. SOUTHWEST 15-25 MPH WITH GUSTS TO AROUND 35 MPH. TRANSPORT WINDS.....SOUTHWEST 20-28 MPH. MIXING HEIGHT.......200-800 FT AGL UNTIL 1000. 11600-12600 FT AGL AFTER 1400. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(30-40%). SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400. MIN TEMPERATURE.....40. MAX HUMIDITY........63%. 20-FOOT WINDS.......SOUTHWEST 12-20 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHWEST 17-28 MPH UNTIL 2400...THEN 12-16 MPH. MIXING HEIGHT.......11400 FT AGL UNTIL 1900. 200 FT AGL AFTER 2100. SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900...THEN MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1300. MAX TEMPERATURE.....54. MIN HUMIDITY........42%. 20-FOOT WINDS.......WEST 11-16 MPH. TRANSPORT WINDS.....WEST 13-24 MPH. MIXING HEIGHT.......1000-2000 FT AGL UNTIL 1000. 7600-8600 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1200...THEN EXCELLENT UNTIL 1700...THEN VERY GOOD. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. WEST WINDS AROUND 13 MPH WITH GUSTS TO AROUND 30 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 19 MPH WITH GUSTS TO AROUND 35 MPH. .MONDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE MID 40S. HIGHS AROUND 60. BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO AROUND 40 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S. WEST WINDS AROUND 22 MPH WITH GUSTS TO AROUND 45 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR YPSILON SAR. +++ 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 07/08-17 32 0 65 17 W 22 1 9836 W 33 290195 E 07/08-18 18 0 63 15 W 25 40 3 1 W49 9068 W 33 258742 E 07/08-19 18 0 61 17 W 24 1 6362 W 30 178914 E 07/08-20 18 0 57 20 W 24 1 3656 W 26 99086 G 07/08-21 18 0 52 25 W 23 37 5 1 W51 950 W 23 19259 P 07/08-22 18 0 48 29 W 22 1 691 W 22 13724 P 07/08-23 18 0 47 32 W 20 1 432 W 20 8190 P 07/09-00 18 0 45 35 W 18 29 5 1 SW40 174 W 17 2656 P 07/09-01 18 0 43 38 W 18 1 184 W 18 2921 P 07/09-02 18 0 41 40 W 20 1 194 SW 18 3185 P 07/09-03 18 0 40 43 SW 21 33 5 1 SW39 204 SW 20 3450 P 07/09-04 18 0 38 45 SW 22 1 191 SW 21 3324 P 07/09-05 18 0 38 45 SW 23 1 177 SW 21 3198 P 07/09-06 10 0 38 45 SW 23 37 6 1 W41 164 SW 22 3072 P 07/09-07 10 0 41 40 SW 22 1 382 SW 21 6234 P 07/09-08 10 0 46 33 SW 20 1 599 SW 18 9397 P 07/09-09 10 0 51 27 SW 17 29 5 1 SW45 817 SW 17 12560 P 07/09-10 10 0 55 22 SW 18 1 3249 SW 22 77714 G 07/09-11 10 0 58 20 SW 18 1 5682 SW 25 142869 V 07/09-12 30 10 60 19 SW 20 31 5 2 SW40 8114 W 30 208024 E 07/09-13 30 10 61 20 SW 20 2 9683 W 30 246687 E 07/09-14 30 10 62 20 SW 20 2 11252 SW 29 285349 E 07/09-15 30 10 63 22 SW 20 31 4 2 SW40 12822 SW 29 324012 E 07/09-16 30 10 63 24 SW 18 2 12325 SW 29 313860 E 07/09-17 30 10 63 28 SW 17 2 11828 SW 30 303709 E 07/09-18 63 20 61 32 SW 15 24 4 3 SW45 11331 SW 30 293557 E 07/09-19 63 20 59 43 SW 15 3 5438 SW 23 124922 V 07/09-20 63 20 56 47 SW 16 3 2843 SW 20 64187 G 07/09-21 63 20 52 53 SW 17 17 4 3 SW29 247 SW 16 3453 P 07/09-22 63 20 47 56 SW 16 3 224 SW 16 3095 P 07/09-23 34 20 46 55 SW 16 3 201 SW 16 2737 P 07/10-00 34 0 45 56 SW 15 15 4 1 W32 178 SW 15 2378 P 07/10-01 34 0 43 58 SW 15 1 170 SW 15 2183 P 07/10-02 34 0 43 59 SW 14 1 161 SW 14 1987 P 07/10-03 34 0 41 62 W 14 14 5 1 W43 153 W 14 1791 P 07/10-04 34 0 41 63 W 14 1 161 W 13 1767 P 07/10-05 34 0 41 61 W 13 1 170 W 12 1743 P 07/10-06 34 0 41 60 W 12 12 4 1 W46 178 W 12 1719 P 07/10-07 34 0 42 57 W 12 1 937 W 13 12306 P 07/10-08 63 0 45 53 W 12 1 1697 W 14 22893 P 07/10-09 63 0 47 48 W 12 12 3 1 W44 2456 W 16 33480 P 07/10-10 63 0 50 45 W 13 1 4279 W 18 76811 G 07/10-11 63 0 51 44 W 13 1 6103 W 21 120141 V 07/10-12 63 0 52 43 W 14 14 3 1 W39 7926 W 24 163472 E 07/10-13 63 30 53 43 W 14 4 8200 W 23 162304 E 07/10-14 63 30 54 43 W 13 4 8474 W 22 161137 E 07/10-15 63 30 54 43 W 13 13 4 4 W38 8748 W 21 159970 E 07/10-16 63 30 54 42 W 13 4 8006 W 21 142725 V 07/10-17 63 30 54 43 W 13 4 7264 W 20 125480 V 07/10-18 71 30 53 44 W 13 13 4 4 W37 6522 W 20 108235 V 07/10-19 71 30 52 44 W 13 4 4445 W 17 73295 G 07/10-20 71 30 50 46 W 13 4 2367 W 15 38355 P 07/10-21 71 30 48 48 W 14 14 3 4 W36 290 W 14 3415 P 07/10-22 71 30 46 50 W 13 4 267 W 14 3131 P 07/10-23 71 30 46 49 W 14 4 244 W 14 2847 P 07/11-00 71 0 45 50 W 14 14 3 1 W32 221 W 14 2563 P 07/11-01 71 0 44 50 W 14 1 212 W 13 2393 P 07/11-02 34 0 43 51 W 13 1 202 W 13 2223 P 07/11-03 34 0 42 52 W 13 13 3 1 W29 193 W 13 2053 P 07/11-04 34 0 42 52 W 12 1 197 W 12 1909 P 07/11-05 34 0 42 51 W 10 1 201 W 10 1766 P 07/11-06 34 0 42 50 W 9 9 3 1 W24 204 W 9 1622 P 07/11-07 34 0 43 48 W 10 1 1575 W 10 16521 P 07/11-08 34 0 46 44 SW 9 1 2946 W 12 31419 P 07/11-09 34 0 48 40 SW 7 7 4 1 W33 4317 W 13 46318 F 07/11-10 34 0 50 37 SW 9 1 4766 W 14 56164 F 07/11-11 34 0 52 35 SW 10 1 5214 W 15 66011 G 07/11-12 71 30 53 34 W 10 10 3 4 W30 5662 W 15 75857 G 07/11-13 71 30 54 34 W 10 4 5600 W 17 81951 G 07/11-14 71 30 54 34 W 10 4 5537 W 18 88044 G 07/11-15 71 30 54 35 W 10 10 4 4 W31 5474 W 20 94138 G 07/11-16 71 30 55 36 W 12 4 5373 W 18 87015 G 07/11-17 71 30 54 37 W 14 4 5272 W 17 79893 G 07/11-18 71 30 53 40 W 17 17 4 4 W38 5171 W 16 72771 G 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...RANGER SHAFER REASON FOR REQUEST...SAR .TAG 20090708.YPSIL.01/BOU