FNUS75 KBOU 241121 FWSBOU SPOT FORECAST FOR HELICOPTER TRAINING...USFS NATIONAL WEATHER SERVICE DENVER CO 521 AM MDT MON SEP 24 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MOISTURE WILL BE INCREASING OVER NORTHERN COLORADO AS AN UPPER LEVEL LOW MOVES OVER NORTHERN UTAH. MID TO HIGH CEILINGS THIS MORNING WILL GRADUALLY DECREASE THROUGH THE AFTERNOON AS RAIN SHOWERS AND A FEW EMBEDDED THUNDERSTORMS DEVELOP. THE AIRMASS WILL ONLY BE SLIGHTLY UNSTABLE DURING THE AFTERNOON AND EARLY EVENING. WINDS SHOULD GENERALLY BE LIGHT TO MODERATE EXCEPT NEAR SHOWERS THAT DEVELOP DURING THE AFTERNOON AND EVENING HOURS. COOLER TEMPERATURES AND MORE RAIN OR SNOW SHOWERS ARE EXPECTED TUESDAY AS THE UPPER LOW MOVES OVER THE STATE. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....48-54. MIN HUMIDITY........36-44%. 20-FOOT WINDS.......WEST WINDS 10-20 MPH. GUSTS UP TO 30 MPH. TRANSPORT WINDS.....WEST 18-28 MPH. MIXING HEIGHT.......1800-2800 FT AGL UNTIL 1100...THEN 7000-8000 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1100...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400...THEN CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....28-34. MAX HUMIDITY........80-90%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......6000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER 2100. SMOKE DISPERSAL.....GOOD UNTIL 1900...THEN FAIR UNTIL 2000...THEN POOR. HAINES INDEX........4 LOW. .TUESDAY... SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....42-48. MIN HUMIDITY........52-60%. 20-FOOT WINDS.......WEST WINDS 5-6 MPH UNTIL 0900...THEN UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....SOUTHWEST AROUND 4 MPH UNTIL 1200...THEN SOUTHEAST 4-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000...THEN 3400-4400 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. FIRE WEATHER TABLE FOR HELICOPTER TRAINING. +++ 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 09/24-05 77 10 2 38 57 W22 31 3 1 W30 973 W22 19797 P 09/24-06 88 24 5 39 55 W23 32 3 1 W32 1298 W24 27386 P 09/24-07 88 24 5 39 61 W23 32 3 1 W31 1335 W25 28999 P 09/24-08 88 24 5 38 69 W23 32 4 1 W29 1372 W25 30613 P 09/24-09 88 24 5 39 73 W22 31 4 1 W25 1409 W26 32226 P 09/24-10 88 24 5 44 61 W20 28 4 1 W24 3257 W25 69170 G 09/24-11 88 24 5 45 57 W17 25 3 1 W23 5105 W24 106113 V 09/24-12 89 44 21 47 51 W16 23 3 4 W22 6953 W24 143057 V 09/24-13 89 44 21 49 47 W16 22 3 4 W22 7441 W22 141170 V 09/24-14 89 44 21 50 45 W16 23 3 4 W22 7930 W21 139284 V 09/24-15 89 44 21 50 42 W16 23 3 4 W22 8419 W18 137398 V 09/24-16 89 44 21 50 39 W15 21 3 4 W18 7622 W17 116531 V 09/24-17 89 44 21 49 39 W13 17 4 4 W14 6825 W16 95664 G 09/24-18 94 42 19 47 39 W10 10 4 2 W10 6029 W14 74797 G 09/24-19 94 42 19 45 43 W 9 9 4 2 W 8 4126 W13 50631 F 09/24-20 94 42 19 42 48 W 9 9 4 2 W 8 2223 W10 26464 P 09/24-21 94 42 19 38 55 W 8 8 4 2 W 8 319 W 8 2297 P 09/24-22 94 42 19 36 59 W 7 7 4 2 W 8 292 W 8 2064 P 09/24-23 94 42 19 36 61 W 7 7 3 2 W 8 265 W 8 1830 P 09/25-00 95 43 20 35 63 W 6 6 3 1 W 9 238 W 8 1597 P 09/25-01 95 43 20 34 66 W 6 6 3 1 W12 244 W 8 1649 P 09/25-02 95 43 20 34 66 W 6 6 4 1 W13 251 W 8 1701 P 09/25-03 95 43 20 33 70 W 6 6 4 1 W14 257 W 8 1753 P 09/25-04 95 43 20 31 73 W 6 6 4 1 W12 254 W 7 1605 P 09/25-05 95 43 20 31 74 W 6 6 3 1 SW 9 251 W 7 1457 P 09/25-06 99 58 35 31 74 W 6 6 3 1 SW 7 248 W 6 1309 P 09/25-07 99 58 35 30 78 W 5 5 3 1 SW 6 263 W 5 1137 P 09/25-08 99 58 35 30 82 SW 3 3 4 1 S 5 278 W 5 965 P 09/25-09 99 58 35 31 84 SW 2 2 4 1 S 5 293 W 3 793 P 09/25-10 99 58 35 36 69 SW 2 2 4 1 S 6 1144 SW 3 4729 P 09/25-11 99 58 35 37 67 S 3 3 3 1 S 7 1995 S 5 8665 P 09/25-12 100 63 42 39 64 SE 3 3 3 5 S10 2846 S 5 12601 P 09/25-13 100 63 42 41 61 S 3 3 3 5 S13 3487 S 6 16886 P 09/25-14 100 63 42 42 59 S 2 2 3 5 SE16 4128 SE 6 21172 P 09/25-15 100 63 42 43 58 S 2 2 3 5 SE17 4769 SE 6 25458 P 09/25-16 100 63 42 43 57 SE 2 2 3 5 SE17 4371 SE 7 25478 P 09/25-17 100 63 42 42 59 E 2 2 3 5 SE16 3972 E 8 25497 P 09/25-18 96 68 50 40 62 NE 2 2 3 5 SE15 3573 E 8 25517 P 09/25-19 96 68 50 38 66 E 3 3 3 5 SE15 2514 E 7 17568 P 09/25-20 96 68 50 36 72 SE 3 3 3 5 SE15 1455 SE 6 9620 P 09/25-21 96 68 50 33 79 S 5 5 3 5 SE15 396 SE 5 1672 P 09/25-22 96 68 50 31 84 S 5 5 3 5 SE16 363 S 5 1334 P 09/25-23 96 68 50 31 85 S 5 5 3 5 SE16 330 S 3 996 P 09/26-00 90 68 50 31 84 S 3 3 3 1 SE17 296 S 2 658 P 09/26-01 90 68 50 30 86 S 2 2 3 1 E16 287 S 2 529 P 09/26-02 90 68 50 30 86 S 2 2 3 1 E15 278 CALM 400 P 09/26-03 90 68 50 29 88 CALM 1 3 1 E15 269 CALM 271 P 09/26-04 90 68 50 28 90 CALM 1 3 1 E14 268 CALM 300 P 09/26-05 90 68 50 28 90 CALM 1 3 1 E14 266 CALM 330 P 09/26-06 87 63 42 28 90 CALM 1 3 1 E15 264 CALM 360 P 09/26-07 87 63 42 28 91 CALM 1 3 1 E15 278 S 2 433 P 09/26-08 87 63 42 28 91 CALM 1 3 1 E16 291 S 2 507 P 09/26-09 87 63 42 28 92 CALM 1 3 1 SE17 305 S 2 581 P 09/26-10 87 63 42 35 70 S 2 2 3 1 SE17 1411 S 3 6438 P 09/26-11 87 63 42 37 66 S 2 2 3 1 SE17 2517 S 5 12295 P 09/26-12 88 65 45 39 61 S 3 3 3 5 SE17 3623 SW 6 18152 P 09/26-13 88 65 45 41 57 S 3 3 3 5 SE16 4190 SW 6 19665 P 09/26-14 88 65 45 43 55 SW 2 2 3 5 E15 4757 SW 6 21179 P 09/26-15 88 65 45 43 53 SW 2 2 3 5 E13 5324 SW 5 22692 P 09/26-16 88 65 45 44 53 SW 2 2 3 5 E 9 4975 SW 6 25939 P 09/26-17 88 65 45 42 56 SW 3 3 3 5 E 6 4627 SW 7 29186 P 09/26-18 78 42 19 41 58 SW 5 5 3 1 SE 3 4278 SW 9 32433 P 09/26-19 78 42 19 39 62 W 5 5 3 1 SE 3 2948 SW 7 21999 P 09/26-20 78 42 19 36 68 W 6 6 3 1 S 3 1617 SW 6 11564 P 09/26-21 78 42 19 33 74 W 6 6 3 1 SW 5 286 SW 5 1130 P 09/26-22 78 42 19 32 77 W 6 6 3 1 SW 6 271 SW 5 1116 P 09/26-23 78 42 19 31 77 W 6 6 3 1 SW 6 256 SW 5 1101 P 09/27-00 61 36 14 31 76 W 6 6 3 1 SW 6 240 SW 6 1087 P 09/27-01 61 36 14 30 77 W 6 6 3 1 SW 8 230 SW 6 1156 P 09/27-02 61 36 14 30 76 W 7 7 3 1 SW 9 220 W 7 1225 P 09/27-03 61 36 14 29 76 W 8 8 3 1 SW10 209 W 7 1295 P 09/27-04 61 36 14 29 75 W 8 14 3 1 SW10 208 W 7 1340 P 09/27-05 61 36 14 29 75 W 9 14 4 1 SW10 207 W 8 1386 P 09/27-06 65 48 24 29 74 W 9 15 4 1 SW 9 206 W 8 1432 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 $$ DANKERS...WFO BOULDER REQUESTED BY...BROUWER REASON FOR REQUEST...SAR .TAG 20120923.HELIC.01/BOU