FNUS73 KGRR 281346 FWSGRR FIRE WEATHER PLANNING FORECAST FOR POWERLINE 2011...USFS NATIONAL WEATHER SERVICE GRAND RAPIDS MI 946 AM EDT SUN AUG 28 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON AUGUST 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A NORTHERLY FLOW WILL DOMINATE TODAY. THE AIRMASS IS DRY AND HUMIDITY LEVELS WILL DROP OFF STEADILY IN THE AFTERNOON AS THE TEMPERATURES RISE AND DEWPOINTS LOWER. NO RAIN IS FORECASTED. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). TEMPERATURE.........71 AT IGNITION...MAX 76. RH..................51 PERCENT AT IGNITION...MIN 38 PERCENT. WIND (20 FT)........WINDS NORTH AT 10 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 9 TO 14 MPH. MIXING WINDS........NORTH 7 TO 15 MPH. MIXING HEIGHT.......1100-1600 FT AGL INCREASING TO 6800 FT AGL AT IGNITION...OTHERWISE 7600-8100 FT AGL...THEN DECREASING TO 4800 FT AGL IN THE EVENING. SMOKE DISPERSAL.....0-400 (POOR TO GOOD) INCREASING TO 600-800 (EXCELLENT TO EXCELLENT). TIME (EDT) 1 PM 3 PM 5 PM 7 PM SKY (%).........20 20 20 20 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............71 75 76 72 RH..............51 40 39 46 20 FT WIND......N 8 N 9 NW 11 N 10 20 FT GUST......15 15 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). TEMPERATURE.........MIN 52. RH..................MAX 90 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT. MIXING WINDS........NORTH 8 TO 17 MPH SHIFTING TO THE EAST 1 TO 6 MPH AFTER MIDNIGHT. .MONDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). TEMPERATURE.........MAX 78. RH..................MIN 52 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 9 TO 14 MPH. MIXING WINDS........EAST 1 TO 2 MPH SHIFTING TO THE WEST 5 TO 14 MPH. $$ FORECASTER...MJS REQUESTED BY...STEVE HATTING TYPE OF REQUEST...PRESCRIBED .TAG 20110828.POWER.01/GRR