FNUS75 KBOU 201336 FWSBOU SPOT FORECAST FOR TRUMBULL...USFS NATIONAL WEATHER SERVICE DENVER CO 723 AM MDT WED MAY 20 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A LIGHT SOUTHWEST FLOW PATTERN WILL CONTINUE TODAY WITH MORE MOISTURE STREAMING INTO COLORADO THIS AFTERNOON AND EVENING. THIS WILL RESULT IN ANOTHER ROUND OF ISOLATED LATE AFTERNOON AND EVENING THUNDERSTORMS. A COLD FRONT WILL MOVE SOUTHWARD ACROSS NORTHEAST COLORADO LATER TONIGHT AS WINDS SHIFT TO THE NORTH AND NORTHEAST WITH A COLDER AIRMASS EXPECTED FOR THURSDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....80-82. MIN HUMIDITY........13-16%. 20-FOOT WINDS.......SOUTHWEST 8-13 MPH UNTIL 1200...THEN NORTH NORTHEAST 3-6 MPH AFTER 1500. TRANSPORT WINDS.....WEST 9-20 MPH. MIXING HEIGHT.......1600-2600 FT AGL UNTIL 1000. 15400-16400 FT AGL AFTER 1500. SMOKE DISPERSAL.....POOR UNTIL 0900...THEN FAIR UNTIL 1000...THEN GOOD UNTIL 1100....THEN EXCELLENT UNTIL 1600 ...THEN VERY GOOD. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 2400...THEN CHANCE OF RAIN SHOWERS. MIN TEMPERATURE.....44-48. MAX HUMIDITY........65-70%. 20-FOOT WINDS.......NORTHEAST 5-6 MPH UNTIL 2100...THEN NORTHWEST 6-11 MPH. TRANSPORT WINDS.....NORTHWEST 5-16 MPH. MIXING HEIGHT.......14200 FT AGL UNTIL 1900. 200-600 FT AGL AFTER 2400. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....54-58. MIN HUMIDITY........40-45%. 20-FOOT WINDS.......EAST 5-11 MPH. TRANSPORT WINDS.....NORTHEAST 8-16 MPH UNTIL 1200...THEN SOUTHEAST UP TO 8 MPH. MIXING HEIGHT.......3200-4200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 0600... THEN CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE LOWER 70S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR TRUMBULL. +++ 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 05/20-07 26 0 48 66 SW 12 1 1171 W 15 17780 P 05/20-08 26 0 54 53 W 10 1 2161 W 16 33320 P 05/20-09 26 0 60 41 W 10 10 3 1 W21 3151 W 18 48860 F 05/20-10 26 0 67 32 W 10 1 6587 W 17 94379 G 05/20-11 26 0 72 27 W 9 1 10023 W 16 139899 V 05/20-12 70 20 76 23 NW 8 8 3 3 W23 13458 W 16 185418 E 05/20-13 70 20 78 21 NW 6 3 14543 W 15 181672 E 05/20-14 70 20 79 19 NE 3 3 15627 W 14 177925 E 05/20-15 70 20 80 18 NE 2 2 3 3 W12 16712 W 12 174179 E 05/20-16 70 20 80 17 NE 2 3 15851 W 10 149550 V 05/20-17 70 20 80 16 E 3 3 14990 W 9 124921 V 05/20-18 70 30 77 20 E 5 5 3 4 W 6 14129 W 8 100293 V 05/20-19 70 30 74 21 NE 5 4 10099 W 8 71920 G 05/20-20 70 30 68 26 N 3 4 6068 W 8 43548 F 05/20-21 70 30 63 32 NW 3 3 4 4 W 8 2038 W 8 15176 P 05/20-22 70 30 59 38 NW 5 4 1428 W 8 10644 P 05/20-23 70 30 56 44 W 7 4 819 W 8 6112 P 05/21-00 64 30 53 51 W 8 8 4 1 SW 8 210 W 9 1580 P 05/21-01 64 30 51 58 W 8 1 189 NW 9 1439 P 05/21-02 64 30 49 65 NW 8 1 167 NW 9 1298 P 05/21-03 87 30 47 71 NW 8 8 3 1 W13 146 N 9 1157 P 05/21-04 87 30 46 72 N 8 1 410 N 12 5657 P 05/21-05 87 30 45 71 N 9 1 674 N 15 10157 P 05/21-06 76 30 45 68 N 10 10 2 1 W12 938 N 18 14657 P 05/21-07 76 30 49 57 N 9 1 1591 N 14 14857 P 05/21-08 76 30 47 58 N 8 1 2244 N 10 15054 P 05/21-09 76 30 49 53 NE 7 7 2 1 NW10 2896 N 6 15251 P 05/21-10 76 30 53 48 NE 7 1 3096 NE 5 11908 P 05/21-11 76 30 55 45 NE 6 1 3296 E 3 8565 P 05/21-12 88 40 56 42 NE 6 6 2 2 NW 5 3496 CALM 5222 P 05/21-13 88 40 57 41 NE 6 2 3598 SE 3 12606 P 05/21-14 88 40 57 42 NE 5 2 3700 SE 6 19990 P 05/21-15 88 40 57 42 E 5 5 2 2 NE 3 3802 S 8 27374 P 05/21-16 88 40 57 42 E 5 2 4026 S 8 30115 P 05/21-17 88 40 57 42 E 6 2 4251 S 9 32857 P 05/21-18 84 40 56 43 SE 6 6 2 2 E 6 4476 S 9 35598 P 05/21-19 84 40 55 46 SE 5 2 3495 S 9 28246 P 05/21-20 84 40 52 52 S 3 2 2514 S 10 20894 P 05/21-21 84 40 50 58 S 3 3 2 2 E12 1534 S 10 13541 P 05/21-22 84 40 48 63 S 5 2 1116 SW 9 9719 P 05/21-23 84 40 46 67 SW 6 2 698 SW 9 5897 P 05/22-00 80 30 45 72 SW 7 7 2 1 E 9 280 SW 8 2075 P 05/22-01 80 30 44 75 SW 7 1 259 SW 8 1879 P 05/22-02 80 30 43 79 SW 7 1 237 SW 8 1684 P 05/22-03 80 30 42 82 SW 7 7 2 1 E13 215 SW 8 1488 P 05/22-04 80 30 42 83 SW 7 1 222 SW 8 1596 P 05/22-05 80 30 41 83 SW 7 1 228 SW 8 1704 P 05/22-06 80 30 41 83 SW 8 8 2 1 E13 234 SW 9 1812 P 05/22-07 80 30 43 78 SW 10 1 997 SW 12 12632 P 05/22-08 80 30 48 65 SW 12 1 1759 SW 14 23453 P 05/22-09 80 30 52 56 S 13 13 2 1 SE14 2522 S 16 34273 P 05/22-10 80 30 56 48 S 10 1 3467 S 13 33660 P 05/22-11 80 30 59 44 SE 7 1 4411 SE 10 33048 P 05/22-12 79 40 62 40 SE 3 3 2 4 SE22 5356 SE 7 32435 P 05/22-13 79 40 63 39 SE 3 4 6002 SE 6 26599 P 05/22-14 79 40 64 38 E 5 4 6648 S 3 20763 P 05/22-15 79 40 65 37 E 6 6 2 4 SW 8 7293 S 2 14927 P 05/22-16 79 40 65 37 SE 8 4 7043 S 5 30189 P 05/22-17 79 40 65 38 S 10 4 6793 S 8 45451 F 05/22-18 87 40 63 40 S 12 12 2 4 W 3 6543 S 10 60713 G 05/22-19 87 40 61 43 S 12 4 5900 SW 13 61836 G 05/22-20 87 40 58 49 SW 10 4 5257 SW 14 62959 G 05/22-21 87 40 54 55 SW 9 9 2 4 W 2 4613 SW 16 64082 G 05/22-22 87 40 52 60 SW 8 4 3285 SW 15 45074 F 05/22-23 87 40 50 64 SW 7 4 1956 S 14 26065 P 05/23-00 87 40 48 68 SW 6 6 2 1 SW10 628 S 13 7057 P 05/23-01 87 40 47 72 SW 6 1 493 SW 12 5260 P 05/23-02 87 40 45 76 SW 7 1 358 SW 10 3462 P 05/23-03 87 40 44 80 SW 7 7 2 1 SW16 222 SW 8 1665 P 05/23-04 87 40 44 81 SW 6 1 212 SW 7 1311 P 05/23-05 87 40 43 81 SW 3 1 202 SW 6 956 P 05/23-06 72 29 43 81 SW 2 2 2 4 SW10 192 SW 3 602 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...KRIS HEINY REASON FOR REQUEST...PRESCRIBED .TAG 20090520.TRUMB.01/BOU