831  
FNUS53 KGRR 121936  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
336 PM EDT SUN JUL 12 2020  
   
..DRY WEATHER EXPECTED THROUGH TUESDAY
 
 
   
DISCUSSION
 
 
HIGH PRESSURE WILL SETTLE INTO THE GREAT LAKES REGION TONIGHT AND  
REMAIN IN PLACE THROUGH TUESDAY. DRY WEATHER IS EXPECTED THROUGH THAT  
TIME WITH NEAR NORMAL TEMPERATURES. LOWS WILL BE IN THE UPPER 50S TO  
NEAR 60 WITH HIGHS IN THE LOWER 80S FOR THE MOST PART. THE NEXT  
CHANCE FOR RAIN WILL COME MID WEEK AS A LOW PRESSURE SYSTEM MOVES  
THROUGH THE GREAT LAKES. BEST CHANCES FOR SHOWERS AND STORMS WILL  
COME ON WEDNESDAY. RAINFALL AMOUNTS OF 0.50 TO 1.00 INCH WILL BE  
LIKELY.  
 
MIZ037>039-043>045-130815-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
336 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....51-56.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........85-90 PERCENT NEAR LAKE MICHIGAN AND 95-100  
PERCENT INLAND.  
24 HR TREND......  
24 HR TREND......UNCHANGED.  
24 HR TREND......  
20-FOOT WINDS.......NORTH WINDS AROUND 7 MPH IN THE EVENING  
BECOMING LIGHT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1500-2000 FT AGL.  
MIXING HEIGHT....... INLAND, 2700-3200 FT AGL DECREASING TO 0-200  
FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD) DECREASING TO 0 (POOR) OVERNIGHT.  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....79-84.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........41-46 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4000-4500 FT AGL NEAR LAKE MICHIGAN AND  
5900-6400 FT AGL INLAND.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....52-57.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........85-90 PERCENT NEAR LAKE MICHIGAN AND 95-100  
PERCENT INLAND.  
24 HR TREND......  
24 HR TREND......UNCHANGED.  
24 HR TREND......  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1100-1600 FT AGL.  
MIXING HEIGHT....... INLAND, 4600-5100 FT AGL DECREASING TO 0-100  
FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE NORTHEAST  
OVERNIGHT.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
MAX TEMPERATURE.....83-88.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........48-53 PERCENT NEAR LAKE MICHIGAN AND 33-38  
PERCENT INLAND.  
24 HR TREND......6 PERCENT WETTER NEAR LAKE MICHIGAN AND 4  
PERCENT DRIER INLAND.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 6 MPH IN  
THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2900-3400 FT AGL NEAR LAKE MICHIGAN AND  
5900-6400 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
SMOKE DISPERSAL.....400-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ040-046-130815-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
336 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....52-57.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......3300-3800 FT AGL DECREASING TO 0-300 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD) DECREASING TO 0 (POOR) OVERNIGHT.  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 82.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........43 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......7200-7700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....500-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....52-57.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......6200-6700 FT AGL DECREASING TO 0-200 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE EAST  
OVERNIGHT.  
SMOKE DISPERSAL.....0-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 87.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........31-36 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......7100-7600 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-700 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ050-056-064-071-130815-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
336 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....57-62.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........85-90 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......2800-3300 FT AGL DECREASING TO 0-500 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD) DECREASING TO 0 (POOR) OVERNIGHT.  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....79-84.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........42-47 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4600-5100 FT AGL NEAR LAKE MICHIGAN AND  
6000-6500 FT AGL INLAND.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....58-63.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 1300-1800 FT AGL.  
MIXING HEIGHT....... INLAND, 3000-3500 FT AGL DECREASING TO 0-100  
FT AGL OVERNIGHT.  
TRANSPORT WINDS.....WEST 0 TO 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....83-88.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........38-43 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN  
THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4400-4900 FT AGL NEAR LAKE MICHIGAN AND  
6100-6600 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ051-052-057>059-130815-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
336 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....55-60.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........91-96 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL DECREASING TO 0-100 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD) DECREASING TO 0 (POOR) OVERNIGHT.  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 82.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........41-46 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......6900-7400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....400 (GOOD).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....55-60.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5700-6200 FT AGL DECREASING TO 0-100 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 87.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........34-39 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 6 MPH IN THE  
AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6900-7400 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-700 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ065>067-072>074-130815-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
336 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....AROUND 59.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4500-5000 FT AGL DECREASING TO 0-100 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 81.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........42-47 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......6400-6900 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....AROUND 59.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5000-5500 FT AGL DECREASING TO 0-100 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 0 MPH SHIFTING TO THE SOUTHWEST  
OVERNIGHT.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 86.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........39-44 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......7000-7500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
TUESDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS  
OVERNIGHT. LOWS IN THE MID 60S. SOUTH WINDS 5 TO 9 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 9 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY  
IN THE EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS  
OVERNIGHT. LOWS IN THE MID 60S. SOUTHEAST WINDS 5 TO 6 MPH IN THE  
EVENING BECOMING LIGHT.    
THURSDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO 8 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST  
WINDS UP TO 5 MPH IN THE EVENING BECOMING LIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 5 TO  
9 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS IN THE LOWER 90S.  
 

 
 
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