FNUS75 KBOU 040033 FWSBOU SPOT FORECAST FOR ALBERTA FALLS SAR...USFS NATIONAL WEATHER SERVICE DENVER CO 630 PM MDT WED AUG 3 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...ISOLATED SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED THIS EVENING BUT OVERALL STORMS WILL BE ON THE WEAK SIDE...WITH BRIEF RAIN...GUSTY WINDS TO 35 MPH...AND LIGHTNING. ANOTHER ROUND OF STORMS IS EXPECTED ON THURSDAY AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 2400. MIN TEMPERATURE.....51. MAX HUMIDITY........63%. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2100...THEN WEST 6-10 MPH. TRANSPORT WINDS.....WEST 4-12 MPH. MIXING HEIGHT.......4200-5000 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 0100. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 0900 UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....68. MIN HUMIDITY........42%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH. TRANSPORT WINDS.....WEST 8-12 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 5800-6800 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR. HAINES INDEX........2 VERY LOW. .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY(30-40%). CHANCE OF THUNDERSTORMS UNTIL 2400. MIN TEMPERATURE.....50. MAX HUMIDITY........70%. 20-FOOT WINDS.......WEST WINDS AROUND 8 MPH. TRANSPORT WINDS.....WEST AROUND 8 MPH. MIXING HEIGHT.......4600-5400 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2400. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200...THEN CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....71. MIN HUMIDITY........29%. 20-FOOT WINDS.......WEST WINDS 10-16 MPH. TRANSPORT WINDS.....WEST 9-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 9600-10600 FT AGL AFTER 1200. SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1200. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 7 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 8 MPH. .MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS IN THE UPPER 40S. HIGHS AROUND 70. WEST WINDS AROUND 8 MPH. FIRE WEATHER TABLE FOR ALBERTA FALLSSAR. +++ 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 08/03-18 81 40 18 64 54 W 3 3 2 4 NW16 5083 NW 9 40659 F 08/03-19 81 40 18 63 56 W 3 3 2 4 W14 4246 NW 8 31627 P 08/03-20 81 40 18 61 59 W 3 3 2 4 W13 3409 W 7 22596 P 08/03-21 81 40 18 59 61 W 5 5 2 4 W12 2573 W 6 13565 P 08/03-22 81 40 18 58 60 W 5 5 2 4 W10 2088 W 7 11994 P 08/03-23 81 40 18 57 59 W 6 6 2 4 W10 1604 W 8 10424 P 08/04-00 61 6 1 55 58 W 6 6 2 1 W10 1120 W 9 8853 P 08/04-01 61 6 1 54 60 W 6 6 2 1 W10 891 W 9 7155 P 08/04-02 61 6 1 53 61 W 7 7 2 1 W12 662 W 9 5457 P 08/04-03 61 4 1 52 63 W 7 7 2 1 SW12 433 W10 3759 P 08/04-04 61 4 1 52 63 W 7 7 2 1 SW12 431 W 9 3638 P 08/04-05 61 4 1 52 63 W 7 7 2 1 SW10 430 W 9 3516 P 08/04-06 66 10 2 52 63 W 7 7 2 1 SW 9 428 W 9 3395 P 08/04-07 66 10 2 53 63 W 8 8 2 1 SW 9 1392 W10 13151 P 08/04-08 66 10 2 56 58 W 8 14 2 1 SW 9 2356 W10 22906 P 08/04-09 66 24 5 59 53 W 9 15 2 3 SW10 3320 W12 32662 P 08/04-10 66 24 5 62 50 W10 16 2 3 SW10 4164 W10 36921 P 08/04-11 66 24 5 64 47 W10 16 2 3 W10 5009 W 9 41181 F 08/04-12 81 50 26 65 46 W10 16 2 4 W12 5853 W 9 45440 F 08/04-13 81 50 26 66 46 W10 16 2 4 W14 6302 W 9 50807 F 08/04-14 81 50 26 67 47 W 9 16 2 4 W17 6751 W 9 56174 F 08/04-15 81 50 26 67 47 W 9 15 2 4 W18 7199 W10 61541 G 08/04-16 81 50 26 68 45 W 9 14 2 4 W17 6628 W 9 51531 F 08/04-17 81 50 26 67 43 SW 8 14 2 4 W15 6058 W 8 41520 F 08/04-18 71 31 10 66 42 SW 8 13 2 4 W13 5487 W 7 31509 P 08/04-19 71 31 10 65 45 SW 8 13 2 4 W13 4567 W 7 27851 P 08/04-20 71 31 10 62 48 SW 8 13 2 4 W13 3647 W 8 24192 P 08/04-21 71 31 10 60 52 SW 8 13 2 4 W13 2727 W 9 20534 P 08/04-22 71 31 10 54 64 SW 8 13 2 4 W13 1922 W 9 14514 P 08/04-23 71 31 10 52 68 SW 8 13 2 4 W14 1117 SW 9 8494 P 08/05-00 35 5 1 51 70 SW 8 13 2 1 W14 311 SW 9 2474 P 08/05-01 35 5 1 52 66 W 8 13 2 1 W15 298 SW 9 2318 P 08/05-02 35 5 1 51 67 W 8 13 2 1 W16 285 W 9 2161 P 08/05-03 35 5 1 51 65 W 8 13 2 1 W17 272 W 8 2004 P 08/05-04 35 5 1 51 63 W 8 13 2 1 W16 261 W 8 1930 P 08/05-05 35 5 1 51 63 W 8 14 2 1 W16 249 W 8 1856 P 08/05-06 57 10 2 50 65 W 9 15 2 2 W16 238 W 8 1782 P 08/05-07 57 10 2 50 63 W10 17 2 2 W18 932 W12 11931 P 08/05-08 57 10 2 52 57 SW13 21 3 2 W21 1626 W14 22080 P 08/05-09 57 10 2 58 46 SW14 22 3 2 W23 2320 W16 32229 P 08/05-10 57 10 2 63 38 SW14 22 3 2 W23 5124 W16 74360 G 08/05-11 57 10 2 66 34 W13 21 3 2 W22 7928 W16 116492 V 08/05-12 82 30 9 69 31 W12 18 3 4 W21 10732 W17 158624 E 08/05-13 82 30 9 71 29 W10 16 3 4 W21 10670 W17 158730 E 08/05-14 82 30 9 71 30 W 9 15 3 4 W22 10607 W17 158836 E 08/05-15 82 30 9 70 33 W 9 15 3 4 W23 10545 W17 158942 E 08/05-16 82 30 9 70 35 W10 17 3 4 W24 9827 W18 157977 E 08/05-17 82 30 9 66 43 W12 20 3 4 W24 9110 W20 157011 E 08/05-18 82 30 9 65 44 W13 21 3 4 W24 8392 W22 156045 E 08/05-19 82 30 9 61 50 W10 17 3 4 W22 6116 W18 110038 V 08/05-20 82 30 9 59 52 W 8 13 2 4 W20 3841 W16 64030 G 08/05-21 82 30 9 56 55 W 6 6 2 4 W17 1565 W14 18023 P 08/05-22 82 30 9 54 57 W 5 5 2 4 W16 1141 W12 12842 P 08/05-23 82 30 9 52 58 W 6 6 3 4 W16 718 W10 7661 P 08/06-00 32 5 1 51 60 W 6 6 3 1 W15 295 W 9 2480 P 08/06-01 32 5 1 52 55 W 6 6 3 1 W16 273 W 9 2281 P 08/06-02 32 5 1 51 58 W 7 7 3 1 W17 251 W 9 2081 P 08/06-03 32 5 1 51 56 W 7 7 3 1 W17 229 W 9 1881 P 08/06-04 32 5 1 51 55 W 7 7 3 1 W14 230 W10 1978 P 08/06-05 32 5 1 51 55 W 8 13 3 1 W10 231 W10 2076 P 08/06-06 32 5 1 49 59 W 8 13 3 1 W 9 232 W10 2173 P 08/06-07 32 5 1 50 60 W 8 13 3 1 W15 725 W12 7132 P 08/06-08 32 5 1 52 57 W 8 8 3 1 W22 1218 W12 12091 P 08/06-09 32 5 1 58 48 W 7 7 3 1 W29 1710 W12 17050 P 08/06-10 32 5 1 63 40 W 6 6 3 1 W29 4774 W14 68341 G 08/06-11 32 5 1 66 36 W 5 5 3 1 W25 7838 W16 119632 V 08/06-12 73 18 4 69 32 W 5 5 3 3 W22 10902 W18 170923 E 08/06-13 73 18 4 71 30 W 5 5 3 3 W21 11020 W17 167738 E 08/06-14 73 18 4 71 30 W 6 6 3 3 W20 11137 W17 164554 E 08/06-15 73 18 4 70 32 W 6 6 3 3 W20 11254 W16 161369 E 08/06-16 73 18 4 70 34 W 6 6 3 3 W20 10296 W18 163294 E 08/06-17 73 18 4 66 40 W 7 7 3 3 W22 9338 W21 165219 E 08/06-18 73 18 4 65 42 W 7 7 3 3 W24 8380 W23 167144 E 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 $$ FORECASTER...WFO BOULDER/SWE REQUESTED BY...MIKE HARDIN REASON FOR REQUEST...SAR .TAG 20110803.ALBER.01/BOU