FNUS73 KGRR 211255 FWSGRR FIRE WEATHER PLANNING FORECAST FOR SNOW TRAIL...MI DNR NATIONAL WEATHER SERVICE GRAND RAPIDS MI 855 AM EDT WED APR 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON APRIL 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD FRONT IS MOVING THROUGH THE AREA THIS MORNING THEN CANADIAN HIGH PRESSURE WILL FOLLOW FOR TONIGHT AND THURSDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). TEMPERATURE.........58 AT IGNITION...MAX 62. MIN HUMIDITY........49 PERCENT AT IGNITION...MIN 47 PERCENT. WIND (20 FT)........WINDS WEST AT 15 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 11 TO 16 MPH. MIXING WINDS........NORTHWEST 5 TO 14 MPH. MIXING HEIGHT.......2300 FT AGL AT IGNITION...OTHERWISE 2300-2800 FT AGL. SMOKE DISPERSAL.....0-400 (POOR TO GOOD). .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). AREAS OF FROST OVERNIGHT. MIN TEMPERATURE.....35. MAX HUMIDITY........82 PERCENT. WIND (20 FT)........NORTHEAST WINDS 6 TO 11 MPH. MIXING WINDS........NORTHEAST 6 TO 12 MPH. $$ FORECASTER...MARINO REQUESTED BY...RANDY MCKENZIE TYPE OF REQUEST...PRESCRIBED .TAG 20100421.SNOWT.01/GRR