FNUS75 KBOU 171237 FWSBOU SPOT FORECAST FOR EAST ROAD CORRIDOR RX...ROCKY MT. NATIONAL PARK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 637 AM MDT WED APR 17 2013 FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION....AN UPPER LEVEL TROUGH IN UTAH WILL BE APPROACHING FROM THE WEST TODAY AND WILL MOVE THROUGH THE AREA TONIGHT. SNOW WILL BE HEAVY AT TIMES THROUGH THIS EVENING...THEN BEGIN TO DECREASE LATE TONIGHT. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TODAY... SKY/WEATHER.........CLOUDY. SNOW. MAX TEMPERATURE.....AROUND 25. MIN HUMIDITY........76%. WIND (20 FT)........UPSLOPE/UPVALLEY 4-10 MPH UNTIL 1500...THEN NORTHEAST 10-13 MPH WITH GUSTS TO 20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800...THEN 2800-3800 FT AGL. TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1200...THEN EAST. SMOKE DISPERSAL.....POOR UNTIL 1500...THEN FAIR. HAINES INDEX........3 VERY LOW. CWR.................100 PERCENT. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW UNTIL 2400...THEN SNOW LIKELY. MIN TEMPERATURE.....AROUND 6 ABOVE. MAX HUMIDITY........100%. WIND (20 FT)........NORTH WINDS 8-13 MPH WITH GUSTS TO 25 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN NORTHWEST 6-12 MPH. MIXING HEIGHT.......3100-3600 FT AGL. TRANSPORT WINDS.....NORTH 15-20 MPH. SMOKE DISPERSAL.....FAIR. HAINES INDEX........2 VERY LOW. CWR.................85 PERCENT DECREASING TO 20 PERCENT. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1200...THEN SLIGHT CHANCE OF SNOW. MAX TEMPERATURE.....AROUND 26. MIN HUMIDITY........50%. WIND (20 FT)........NORTHWEST WINDS 10-16 MPH WITH GUSTS TO 30 MPH. MIXING HEIGHT.......3600-4600 FT AGL UNTIL 0900...THEN 7900-8900 FT AGL UNTIL 1500...THEN 9100-10100 FT AGL UNTIL 1700...THEN 7000 FT AGL. TRANSPORT WINDS.....NORTHWEST 20-30 MPH. SMOKE DISPERSAL.....FAIR UNTIL 0700...THEN GOOD UNTIL 0800...THEN VERY GOOD UNTIL 1100...THEN EXCELLENT. HAINES INDEX........2 VERY LOW. CWR.................20 PERCENT DECREASING TO 5 PERCENT IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE LOWER 30S. WEST WINDS 15-20 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. WEST WINDS 11-17 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS AROUND 20. HIGHS AROUND 40. WEST WINDS 8-10 MPH. FIRE WEATHER TABLE FOR EAST ROAD CORRIDOR RX. +++ 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. FEEDBACK WELCOME. +++ FORECAST SC PP WR AT RH 20-FT G H L 10KFT MIXG TRANS VENTL AJTV VALID AT % % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 04/17-06 100 97 95 15 100 E 2 2 3 1 SW 76 516 S 8 3465 P 04/17-07 100 97 95 17 99 E 2 2 3 1 SW 75 852 S 7 5347 P 04/17-08 100 97 95 20 94 NE 2 2 3 1 SSW 73 1189 SSE 7 7228 P 04/17-09 100 100 100 22 92 NE 2 2 3 1 SSW 67 1526 SE 7 9110 P 04/17-10 100 100 100 24 84 NE 3 3 3 1 SSW 55 2111 SSE 7 11572 P 04/17-11 100 100 100 24 81 ENE 5 5 3 1 SSW 43 2696 SSE 6 14035 P 04/17-12 100 100 100 24 78 ENE 6 6 3 1 SW 32 3281 SSE 6 16497 P 04/17-13 100 100 100 24 76 ENE 8 8 3 1 SW 29 3480 SE 8 24867 P 04/17-14 100 100 100 23 79 NE 9 15 2 1 SW 29 3680 ENE 10 33237 P 04/17-15 100 99 98 20 88 NE 12 17 2 1 SW 29 3879 NE 13 41607 F 04/17-16 100 99 98 18 94 NE 14 20 2 1 SW 26 3793 NE 13 43033 F 04/17-17 100 99 98 16 100 NNE 15 22 2 1 SW 23 3706 NNE 14 44458 F 04/17-18 97 91 86 15 100 NNE 15 23 2 1 WSW 21 3620 NNE 15 45884 F 04/17-19 97 91 86 14 98 NNE 14 21 2 1 WSW 18 3513 NNE 15 47122 F 04/17-20 97 91 86 14 91 NNE 12 17 2 1 WSW 17 3407 N 16 48361 F 04/17-21 97 91 86 13 88 NNE 9 14 2 1 WSW 16 3300 N 17 49599 F 04/17-22 97 91 86 13 82 N 8 8 2 1 WSW 16 3328 N 17 51559 F 04/17-23 97 91 86 11 84 N 7 7 2 1 W 16 3356 N 18 53519 F 04/18-00 93 60 38 10 83 N 7 7 2 1 W 16 3384 N 18 55480 F 04/18-01 93 60 38 9 84 NNW 7 7 2 1 W 15 3391 N 18 55580 F 04/18-02 93 60 38 8 85 NNW 7 7 2 1 W 14 3398 NNW 18 55680 F 04/18-03 88 44 21 8 83 NNW 8 8 2 1 W 14 3404 NW 18 55779 F 04/18-04 88 44 21 7 86 NW 9 9 2 1 W 14 3272 NW 20 56277 F 04/18-05 88 44 21 6 90 NW 9 14 2 1 WNW 15 3140 NW 21 56775 F 04/18-06 87 40 18 6 91 WNW 10 16 2 1 NW 17 3009 NW 22 57272 F 04/18-07 87 40 18 8 85 WNW 12 17 2 1 NW 21 4040 NW 23 84215 G 04/18-08 87 40 18 11 77 WNW 13 18 2 1 NNW 26 5072 NW 25 111157 V 04/18-09 87 40 18 13 73 WNW 14 21 2 1 NNW 32 6103 NNW 26 138099 V 04/18-10 87 40 18 18 61 WNW 14 22 2 1 NNW 33 6701 NW 26 153911 E 04/18-11 87 40 18 23 52 NW 14 22 2 1 NNW 35 7298 NW 26 169723 E 04/18-12 68 24 5 25 50 NW 14 22 2 1 NNW 36 7896 NW 26 185534 E 04/18-13 68 24 5 26 51 NW 15 24 2 1 NNW 37 8768 NW 26 208083 E 04/18-14 68 24 5 26 54 NW 16 26 2 1 N 39 9641 NW 28 230633 E 04/18-15 68 24 5 26 55 NW 17 28 2 1 N 41 10513 NW 28 253182 E 04/18-16 68 24 5 25 56 NW 17 28 2 1 N 46 8734 NW 30 220194 E 04/18-17 68 24 5 24 55 WNW 16 26 2 1 N 51 6956 NW 32 187206 E 04/18-18 48 6 1 23 54 WNW 16 25 2 1 N 54 5177 NW 35 154219 E 04/18-19 48 6 1 21 57 WNW 16 26 2 1 N 55 4510 NW 36 137058 V 04/18-20 48 6 1 19 59 WNW 17 26 3 1 N 54 3842 NW 36 119897 V 04/18-21 48 6 1 18 59 WNW 17 28 3 1 N 53 3175 NW 37 102736 V 04/18-22 48 6 1 17 58 WNW 17 28 3 1 N 53 2757 NW 37 89380 G 04/18-23 48 6 1 17 55 W 17 28 2 1 N 53 2338 WNW 38 76024 G 04/19-00 30 6 1 16 56 W 17 28 2 1 N 53 1920 WNW 38 62667 G 04/19-01 30 6 1 16 55 W 18 30 2 1 N 52 1721 WNW 37 54688 F 04/19-02 30 6 1 16 55 W 21 33 2 1 N 49 1523 WNW 35 46710 F 04/19-03 30 6 1 15 58 W 22 35 2 1 N 48 1324 WNW 33 38731 P 04/19-04 30 6 1 15 59 W 21 33 2 1 N 47 1079 W 32 30898 P 04/19-05 30 6 1 14 64 W 20 31 2 1 N 47 834 W 31 23066 P 04/19-06 37 3 1 14 67 W 18 30 2 1 NNW 46 589 W 30 15234 P 04/19-07 37 3 1 14 72 W 20 31 2 1 NNW 44 1020 W 30 27316 P 04/19-08 37 3 1 17 70 W 21 32 3 1 NNW 41 1452 W 31 39398 P 04/19-09 37 3 1 21 65 W 21 33 3 1 NNW 39 1883 W 31 51479 F 04/19-10 37 3 1 27 55 W 20 31 3 1 NNW 37 2369 W 32 67957 G 04/19-11 37 3 1 31 52 W 17 28 3 1 NW 35 2856 WNW 33 84435 G 04/19-12 59 7 1 33 51 W 16 25 3 1 NW 33 3342 WNW 35 100913 V 04/19-13 59 7 1 35 50 W 17 28 3 1 NW 33 3474 WNW 35 102791 V 04/19-14 59 7 1 35 53 W 18 30 3 1 NW 35 3605 WNW 33 104670 V 04/19-15 59 7 1 35 54 W 20 31 3 1 NW 35 3737 WNW 33 106549 V 04/19-16 59 7 1 33 59 W 18 30 3 1 NW 33 3615 WNW 35 106724 V 04/19-17 59 7 1 33 59 W 17 28 2 1 NW 31 3493 W 36 106899 V 04/19-18 71 18 4 32 61 W 16 25 2 1 NW 30 3371 W 37 107074 V 04/19-19 71 18 4 30 65 W 17 26 1 04/19-20 71 18 4 27 73 W 17 29 1 04/19-21 71 18 4 26 74 W 18 30 1 04/19-22 71 18 4 25 75 W 17 28 1 04/19-23 71 18 4 26 70 W 16 26 1 04/20-00 75 26 6 24 74 W 15 24 1 04/20-01 75 26 6 24 73 W 15 23 1 04/20-02 75 26 6 24 73 W 14 23 1 04/20-03 75 26 6 23 76 W 14 23 1 04/20-04 75 26 6 23 77 W 15 23 1 04/20-05 75 26 6 22 82 W 15 24 1 04/20-06 77 34 13 22 84 W 15 24 1 KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST VALID AT - /24-HOUR CLOCK LOCAL TIME/ SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.10 INCH /PERCENT/ AT - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20-FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10KFT WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRANS 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...RTG REQUESTED BY...JAY SCHAUB TYPE OF REQUEST...PRESCRIBED .TAG 20130417.EASTR.01/BOU