FNUS75 KBOU 231519 FWSBOU SPOT FORECAST FOR ELK RESEARCH...NPS NATIONAL WEATHER SERVICE DENVER CO 920 AM MDT THU APR 23 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MAINLY DRY WESTERLY FLOW ALOFT WILL PREVAIL ACROSS THE REGION THROUGH FRIDAY. AN UPPER LEVEL TROUGH DIGGING INTO THE WESTERN UNITED STATES IS EXPECTED TO BRING AN INCREASE IN MOISTURE TO THE REGION LATE FRIDAY...BUT ANY CHANCE OF SHOWERS WILL HOLD OFF UNTIL FRIDAY NIGHT. BREEZY WEST TO SOUTHWEST WINDS WILL PREVAIL IN ADVANCE OF THE NEXT STORM SYSTEM. THE WEEKEND LOOKS MOSTLY CLOUDY WITH A BETTER CHANCE OF SHOWERS ON BOTH SATURDAY AND SUNDAY. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........PARTLY CLOUDY(40-50%). MAX TEMPERATURE.....62. MIN HUMIDITY........19%. 20-FOOT WINDS.......WEST 13-19 MPH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(50-60%). MIN TEMPERATURE.....36. MAX HUMIDITY........50%. 20-FOOT WINDS.......SOUTHWEST 11-19 MPH. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY(50-60%). MAX TEMPERATURE.....57. MIN HUMIDITY........25%. 20-FOOT WINDS.......SOUTHWEST 13-23 MPH. GUSTS AROUND 30 MPH. .FORECAST DAYS 3 THROUGH 5... .SATURDAY...CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW UNTIL 0600... THEN CHANCE OF RAIN AND SNOW UNTIL 1200...THEN CHANCE OF RAIN SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. EAST WINDS AROUND 10 MPH. .SUNDAY...CLOUDY. CHANCE OF SNOW SHOWERS UNTIL 1200...THEN CHANCE OF RAIN AND SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .MONDAY...CLOUDY. CHANCE OF SNOW UNTIL 1200...THEN CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR ELK RESEARCH. +++ 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 04/23-09 36 0 46 30 W 10 10 2 1 W23 5122 W 29 128664 V 04/23-10 36 0 50 27 W 10 1 5905 W 30 153220 E 04/23-11 36 0 54 24 W 10 1 6688 W 30 177775 E 04/23-12 52 0 56 23 W 12 12 2 1 W25 7471 W 31 202331 E 04/23-13 52 0 59 21 W 13 1 8847 W 30 231935 E 04/23-14 52 0 60 20 W 14 1 10222 W 30 261539 E 04/23-15 52 0 61 19 W 15 24 2 1 W23 11597 W 29 291142 E 04/23-16 52 0 61 19 W 16 1 10584 W 30 270233 E 04/23-17 52 0 60 19 W 16 1 9571 W 30 249323 E 04/23-18 52 0 57 21 W 16 25 2 1 W24 8558 W 31 228414 E 04/23-19 52 0 55 23 W 16 1 7478 W 30 197671 E 04/23-20 45 0 52 26 SW 16 1 6398 W 30 166929 E 04/23-21 45 0 48 31 SW 15 24 3 1 W25 5318 W 30 136186 V 04/23-22 45 0 44 36 SW 14 1 3723 W 28 94682 G 04/23-23 45 0 42 39 SW 13 1 2129 SW 26 53178 F 04/24-00 45 0 41 42 SW 13 13 2 1 SW24 534 SW 25 11674 P 04/24-01 45 0 40 44 SW 13 1 469 SW 24 9823 P 04/24-02 45 0 39 47 W 14 1 404 W 22 7973 P 04/24-03 45 0 38 48 W 14 22 2 1 W29 340 W 21 6122 P 04/24-04 45 0 37 50 W 13 1 617 W 23 13364 P 04/24-05 45 0 38 50 W 12 1 895 W 25 20606 P 04/24-06 62 0 38 49 W 9 9 2 1 W59 1172 W 28 27849 P 04/24-07 62 0 39 48 W 15 1 2333 W 35 85400 G 04/24-08 62 0 41 46 SW 15 1 3847 W 40 151011 E 04/24-09 62 0 44 41 SW 15 24 2 1 W40 5361 W 46 216621 E 04/24-10 62 0 48 35 SW 16 1 6117 W 47 250989 E 04/24-11 62 0 50 31 SW 17 1 6873 W 47 285357 E 04/24-12 62 2 53 27 W 18 30 3 2 SW46 7629 W 48 319724 E 04/24-13 62 2 54 26 SW 20 2 8176 W 45 319640 E 04/24-14 62 2 55 25 SW 21 2 8723 W 43 319555 E 04/24-15 62 2 56 25 SW 21 33 2 2 SW49 9270 W 39 319471 E 04/24-16 62 2 56 25 SW 10 2 8939 W 40 313204 E 04/24-17 62 2 55 26 SW 9 2 8608 W 41 306937 E 04/24-18 86 18 53 29 W 13 13 2 1 SW43 8278 W 41 300670 E 04/24-19 86 18 51 31 W 12 1 7134 W 43 261247 E 04/24-20 86 18 47 36 W 12 1 5991 W 43 221823 E 04/24-21 86 18 43 42 W 10 10 2 1 SW28 4848 W 44 182400 E 04/24-22 86 18 40 46 W 9 1 3548 W 43 133333 V 04/24-23 86 18 39 49 W 8 1 2248 W 43 84267 G 04/25-00 87 30 37 52 W 7 7 2 1 SW32 948 W 43 35201 P 04/25-01 87 30 36 55 SW 7 1 881 W 40 31390 P 04/25-02 87 30 35 58 SW 7 1 814 W 39 27580 P 04/25-03 87 30 34 59 SW 7 7 2 1 SW41 748 W 37 23770 P 04/25-04 87 30 33 60 SW 7 1 1003 W 35 28752 P 04/25-05 87 30 33 59 SW 8 1 1258 W 32 33734 P 04/25-06 87 57 34 59 SW 8 8 2 1 SW44 1513 W 30 38716 P 04/25-07 87 57 35 59 SW 7 1 2467 W 32 72776 G 04/25-08 87 57 36 61 SW 7 1 3422 SW 35 106835 V 04/25-09 87 57 38 58 SW 7 7 2 1 SW48 4376 SW 37 140895 V 04/25-10 87 57 40 55 SW 7 1 4753 SW 37 153300 E 04/25-11 87 57 43 52 SW 7 1 5131 SW 37 165706 E 04/25-12 92 52 44 50 SW 8 8 2 1 SW56 5508 SW 37 178111 E 04/25-13 92 52 45 48 SW 7 1 5593 SW 36 173497 E 04/25-14 92 52 46 46 SW 6 1 5679 SW 35 168882 E 04/25-15 92 52 47 46 S 5 5 2 1 SW64 5764 SW 32 164268 E 04/25-16 92 52 47 47 SW 5 1 5656 SW 32 158426 E 04/25-17 92 52 46 50 SW 5 1 5548 SW 31 152583 E 04/25-18 92 52 44 55 SW 5 5 2 1 SW54 5440 SW 31 146741 V 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...CRAIG BROUWER REASON FOR REQUEST...SAR .TAG 20090423.ELKRE.01/BOU