FNUS75 KBOU 020121 FWSBOU SPOT FORECAST FOR JC RFB 9 SL 3...USFS NATIONAL WEATHER SERVICE DENVER CO 615 PM MST MON FEB 1 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF HIGH PRESSURE IS BUILDING OVER THE ROCKIES. WINDS ALOFT WILL BE LIGHTER ON TUESDAY BUT THERE SHOULD STILL BE ENOUGH FOR FAIR SMOKE DISPERSAL IN THE AFTERNOON. WITH LIGHTER WINDS ON WEDNESDAY DISPERSAL WILL LIKELY REMAIN POOR...THOUGH IT WILL BE CLOSE AT PEAK HEATING. THURSDAY LOOKS SIMILAR...THEN THERE SHOULD BE A BIT MORE WIND AGAIN ON FRIDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....34-38. MIN HUMIDITY........32-36%. WIND (20 FT)........WEST 6-12 MPH. TRANSPORT WINDS.....WEST 10 MPH INCREASING TO 20 MPH. MIXING HEIGHT.......RISING TO 2000 FT AGL BY 1000 AND 3000 FT AGL BY 1400. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR. .TUESDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MIN TEMPERATURE.....17-21. MAX HUMIDITY........55-65%. WIND (20 FT)........WEST 4-8 MPH. TRANSPORT WINDS.....WEST 10 MPH. MIXING HEIGHT.......LOWERING TO 1000 FT AGL BY 2000. SMOKE DISPERSAL.....POOR. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MAX TEMPERATURE.....34-38. MIN HUMIDITY........30-35%. WIND (20 FT)........WEST 4-8 MPH UNTIL 0900...THEN BECOMING UPSLOPE/UPVALLEY 4-10 MPH BY 1200. TRANSPORT WINDS.....WEST 5 MPH BECOMING SOUTHWEST 10 MPH. MIXING HEIGHT.......RISING TO 2000 FT AGL BY 1000 AND 3000 FT AGL BY 1400. SMOKE DISPERSAL.....POOR. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 0600. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .FRIDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 0600. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 9 MPH WITH GUSTS TO AROUND 20 MPH. .SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR JC RFB 9 SL 3. +++ 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 02/01-17 30 0 29 40 W 25 38 2 1 NW47 5211 W 22 96802 G 02/01-18 30 0 28 43 W 24 1 4668 W 22 88670 G 02/01-19 30 0 26 47 W 23 1 4125 W 23 80537 G 02/01-20 23 0 25 50 W 22 33 2 1 NW55 3582 W 23 72405 G 02/01-21 23 0 24 52 W 20 1 3162 W 23 63906 G 02/01-22 23 0 23 54 W 18 1 2742 W 23 55407 F 02/01-23 17 0 22 55 W 17 26 2 1 NW61 2322 W 23 46908 F 02/02-00 17 0 21 55 W 17 1 1976 W 22 38174 P 02/02-01 17 0 20 55 W 18 1 1630 W 20 29439 P 02/02-02 14 0 20 54 W 18 28 2 1 NW59 1284 W 18 20704 P 02/02-03 14 0 19 55 W 17 1 1159 W 18 18569 P 02/02-04 14 0 19 55 W 15 1 1033 W 18 16434 P 02/02-05 16 0 19 55 W 14 14 4 1 NW35 734 W 14 8960 P 02/02-06 16 0 20 52 W 13 1 817 W 13 9247 P 02/02-07 16 0 20 56 W 12 1 899 W 13 9534 P 02/02-08 11 0 23 56 W 12 12 3 1 W31 982 W 12 9821 P 02/02-09 11 0 26 52 W 12 1 1636 W 13 20693 P 02/02-10 11 0 28 47 W 12 1 2290 W 15 31564 P 02/02-11 10 0 31 42 W 12 12 2 1 W32 2944 W 16 42436 F 02/02-12 10 0 33 38 W 12 1 3449 W 18 55705 F 02/02-13 10 0 34 36 W 12 1 3954 W 20 68974 G 02/02-14 25 0 35 35 W 12 12 3 1 W28 4458 W 21 82242 G 02/02-15 25 0 34 34 W 12 1 3664 W 20 65148 G 02/02-16 25 0 33 36 W 13 1 2870 W 18 48054 F 02/02-17 56 0 31 39 W 13 13 3 1 W25 1554 W 21 28023 P 02/02-18 56 0 29 42 W 13 1 1139 W 17 19654 P 02/02-19 56 0 27 44 W 12 1 723 W 14 11285 P 02/02-20 56 0 26 47 W 12 12 3 1 SW26 308 W 10 2917 P 02/02-21 56 0 24 50 W 12 1 270 W 10 2523 P 02/02-22 56 0 23 53 W 10 1 231 W 10 2130 P 02/02-23 56 0 22 55 W 10 10 3 1 SW30 193 W 10 1736 P 02/03-00 56 0 21 57 W 10 1 184 W 10 1647 P 02/03-01 56 0 21 59 W 10 1 174 W 10 1558 P 02/03-02 56 0 20 61 W 10 10 2 1 SW24 165 W 10 1469 P 02/03-03 56 0 20 62 W 10 1 162 W 10 1435 P 02/03-04 56 0 20 63 W 10 1 160 W 10 1401 P 02/03-05 53 0 20 63 W 10 10 2 1 W28 158 W 10 1366 P 02/03-06 53 0 20 63 W 10 1 182 W 9 1444 P 02/03-07 53 0 21 61 W 9 1 207 W 8 1523 P 02/03-08 53 0 23 54 W 8 8 2 1 SW22 232 W 8 1601 P 02/03-09 53 0 26 48 W 7 1 1221 W 8 9929 P 02/03-10 53 0 28 44 SW 5 1 2210 W 9 18258 P 02/03-11 53 0 31 39 S 3 3 2 1 SW22 3200 SW 9 26586 P 02/03-12 53 0 33 36 S 3 1 3858 SW 9 32157 P 02/03-13 53 0 35 35 S 3 1 4515 SW 9 37727 P 02/03-14 53 0 35 35 SE 5 5 2 1 W30 5173 SW 9 43298 F 02/03-15 53 0 35 36 SE 5 1 4492 SW 8 34128 P 02/03-16 53 0 34 38 SE 5 1 3810 S 7 24957 P 02/03-17 70 0 32 43 SE 5 5 2 1 SW23 3128 S 6 15786 P 02/03-18 70 0 30 47 SE 5 1 2775 S 8 17835 P 02/03-19 70 0 28 51 SE 6 1 2423 S 10 19883 P 02/03-20 70 0 27 53 SE 6 6 2 1 SW10 2070 S 13 21932 P 02/03-21 70 0 26 56 S 6 1 1608 S 12 16803 P 02/03-22 70 0 25 59 S 6 1 1146 S 12 11675 P 02/03-23 70 0 24 61 S 6 6 2 1 S15 684 S 12 6547 P 02/04-00 70 0 23 63 S 6 1 549 S 9 4866 P 02/04-01 70 0 23 65 S 5 1 413 S 8 3185 P 02/04-02 70 0 22 66 S 5 5 2 1 S18 278 S 6 1504 P 02/04-03 70 0 22 67 S 5 1 295 S 6 1545 P 02/04-04 70 0 22 67 SE 5 1 313 SE 6 1587 P 02/04-05 78 20 22 68 SE 5 5 2 1 SW13 331 SE 6 1628 P 02/04-06 78 20 22 69 E 5 1 614 SE 5 2494 P 02/04-07 78 20 23 67 E 3 1 898 SE 5 3360 P 02/04-08 78 20 25 61 E 3 3 2 1 S10 1182 SE 5 4225 P 02/04-09 78 20 28 54 E 3 1 2268 SE 3 4549 P 02/04-10 78 20 31 48 E 3 1 3354 S 2 4872 P 02/04-11 78 20 34 43 E 3 3 2 1 S20 4441 CALM 5195 P 02/04-12 78 20 36 39 NE 5 1 4740 SW 3 16917 P 02/04-13 78 20 37 36 NW 5 1 5040 W 6 28640 P 02/04-14 78 20 38 35 W 6 6 2 1 S 9 5339 W 9 40363 F 02/04-15 78 20 37 35 W 6 1 4973 NW 12 46053 F 02/04-16 78 20 36 36 W 6 1 4607 NW 14 51743 F 02/04-17 64 10 33 40 W 6 6 2 1 W 8 4241 NW 16 57433 F 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...BILL ALAKAI REASON FOR REQUEST...PRESCRIBED .TAG 20100202.JCRFB.02/BOU