FNUS73 KGRR 211221 FWSGRR FIRE WEATHER PLANNING FORECAST FOR ANTENNA FIELD...MI DNR NATIONAL WEATHER SERVICE GRAND RAPIDS MI 821 AM EDT WED MAR 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MARCH 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH TEMPERATURES WILL REACH THE MID 80S. WINDS WILL GENERALLY BE 5 TO 15 MPH. THE NEXT GOOD CHANCE OF RAIN WILL NOT COME UNTIL LATE THURSDAY NIGHT AND FRIDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........78 AT IGNITION...MAX 86. RH..................49 PERCENT AT IGNITION...MIN 40 PERCENT. WIND (20 FT)........WINDS SOUTH AT 10 MPH AT IGNITION...OTHERWISE SOUTH WINDS 6 TO 11 MPH. MIXING WINDS........SOUTH 8 TO 17 MPH. MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 3600 FT AGL FROM LATE MORNING THROUGH EARLY AFTERNOON...THEN INCREASING TO 6600 FT AGL AT IGNITION...OTHERWISE 6600 FT AGL THROUGH MID AFTERNOON INCREASING TO 9500-10000 FT AGL THROUGH MID AFTERNOON DECREASING TO 6200 FT AGL DECREASING TO 3000 FT AGL IN THE EVENING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. SMOKE DISPERSAL.....0-200 (POOR TO FAIR) INCREASING TO 600 (EXCELLENT) FROM LATE MORNING THROUGH EARLY AFTERNOON...THEN INCREASING TO 1100 (EXCELLENT) THROUGH MID AFTERNOON INCREASING TO 1500-1700 (EXCELLENT TO EXCELLENT) THROUGH MID AFTERNOON DECREASING TO 1200 (EXCELLENT) DECREASING TO 300-700 (GOOD TO EXCELLENT) LATE IN THE DAY. TIME (EDT) 1 PM 3 PM 5 PM 7 PM SKY (%).........26 29 34 39 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............78 83 84 81 RH..............49 43 40 46 20 FT WIND......S 8 S 8 S 7 S 6 20 FT GUST......15 15 15 10 HAINES INDEX....5 5 4 4 $$ FORECASTER...MARINO REQUESTED BY...LEE OSTERLAND TYPE OF REQUEST...PRESCRIBED .TAG 20120321.ANTEN.01/GRR