FNUS73 KAPX 041850 FWSAPX SPOT FORECAST FOR SOUTH BRANCH SAVANNAH...USFS NATIONAL WEATHER SERVICE GAYLORD MI 250 PM EDT SAT APR 4 2009 FORECAST IS BASED ON IGNITION TIME OF 1400 EDT ON APRIL 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WEAK HIGH PRESSURE WILL PUSH INTO THE GREAT LAKES TONIGHT...AS STRONG LOW PRESSURE PUSHES ACROSS THE CENTRAL PLAINS. THE CENTRAL PLAINS LOW WILL MOVE ACROSS THE OHIO RIVER VALLEY SUNDAY AND SUNDAY NIGHT. THIS WILL RESULT IN PRECIPITATION...MUCH OF IT FALLING AS SNOW...ACROSS CENTRAL AND SOUTHERN LOWER MICHIGAN. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). TEMPERATURE.........MIN 23. RH..................MAX 88 PERCENT. WIND (20 FT)........NORTHWEST WINDS 7 TO 14 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. TRANSPORT WINDS.....NORTHWEST 15 TO 24 MPH. MIXING HEIGHT.......1300-2000 FT AGL. HAINES INDEX........MIN 4. SMOKE DISPERSAL.....MIN FAIR(200). TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........15 20 20 37 55 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............42 37 32 29 27 26 RH..............44 48 59 67 70 73 20 FT WIND......NW 13 NW 10 NW 9 NW 7 NW 7 NW 7 20 FT WIND GUST.25 20 15 15 15 15 HAINES INDEX....4 4 4 4 4 4 SMOKE DISP......700 400 300 300 200 200 .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT). CHANCE OF SNOW IN THE AFTERNOON. TEMPERATURE.........37 AT IGNITION...MAX 40. RH..................57 PERCENT AT IGNITION...MIN 57 PERCENT. WIND (20 FT)........WINDS NORTHEAST AT 2 MPH AT IGNITION...OTHERWISE NORTH WINDS 6 TO 7 MPH IN THE MORNING BECOMING LIGHT. TRANSPORT WINDS.....NORTH 6 TO 15 MPH DECREASING TO 2 TO 6 MPH IN THE AFTERNOON. MIXING HEIGHT.......2400 FT AGL AT IGNITION...OTHERWISE 1400-3300 FT AGL. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. SMOKE DISPERSAL.....POOR (100) AT IGNITION. MAX...FAIR (200). TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........76 81 81 81 100 100 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE NONE NONE SNOW SNOW TEMP............25 25 33 37 37 39 RH..............79 88 69 59 57 59 20 FT WIND......NW 7 N 6 N 6 N 4 NE 2 NE 3 20 FT WIND GUST.15 15 15 10 5 5 HAINES INDEX....4 4 4 4 4 5 SMOKE DISP......200 200 200 100 100 100 $$ FORECASTER...BRUCE SMITH REQUESTED BY...JOE ALYEA TYPE OF REQUEST...PRESCRIBED .TAG 20090405.SOUTH.01/APX