391  
FNUS53 KGRR 181930  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
330 PM EDT SAT AUG 18 2018  
   
..A FEW SHOWERS/THUNDERSTORMS POSSIBLE THROUGH MONDAY
 
 
   
DISCUSSION
 
 
A FEW SHOWERS/THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS EVENING  
AND AGAIN SUNDAY AND MONDAY. NO ORGANIZED SHOWER ACTIVITY IS  
EXPECTED. FOG SHOULD OCCUR TONIGHT. A GOOD CHANCE FOR  
SHOWERS/THUNDERSTORMS EXISTS FOR MONDAY NIGHT THROUGH TUESDAY  
AFTERNOON.  
 
MIZ037>039-043>045-190830-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
330 PM EDT SAT AUG 18 2018  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2300. SLIGHT CHANCE OF RAIN  
SHOWERS UNTIL 0200. PATCHY FOG AFTER 0200.  
CHANCE OF PCPN......20 PERCENT IN THE EVENING.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......EAST WINDS 5 TO 6 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......200-700 FT AGL NEAR LAKE MICHIGAN AND 1100-1600  
FT AGL INLAND.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.19 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL  
1000. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........62-67 PERCENT NEAR LAKE MICHIGAN AND 53-58  
PERCENT INLAND.  
24 HR TREND......2 PERCENT DRIER NEAR LAKE MICHIGAN AND 4  
PERCENT WETTER INLAND.  
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.......NEAR LAKE MICHIGAN, 5100-5600 FT AGL.  
MIXING HEIGHT....... INLAND, 5400-5900 FT AGL INCREASING TO  
7900-8400 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....300-400 (GOOD).  
PCPN AMOUNT.........NONE.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
MIN TEMPERATURE.....60-65.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........99 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......0-500 FT AGL NEAR LAKE MICHIGAN AND 1200-1700  
FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
MAX TEMPERATURE.....79-84.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........47-52 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4500-5000 FT AGL NEAR LAKE MICHIGAN AND  
5800-6300 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....700-900 (EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ040-046-190830-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
330 PM EDT SAT AUG 18 2018  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2300. AREAS OF FOG AFTER 0200.  
CHANCE OF PCPN......30 PERCENT IN THE EVENING.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH IN THE EVENING BECOMING  
LIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......900-1400 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.23 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). AREAS OF FOG  
UNTIL 1000. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 83.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........47-52 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL INCREASING TO 6900-7400 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....200-300 (FAIR TO GOOD).  
PCPN AMOUNT.........NONE.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MIN TEMPERATURE.....AROUND 62.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......600-1100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 82.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........47-52 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5400-5900 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....600-900 (EXCELLENT).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ050-056-064-071-190830-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
330 PM EDT SAT AUG 18 2018  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG AFTER  
0200.  
MIN TEMPERATURE.....AROUND 64.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........99 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......400-900 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE EAST  
OVERNIGHT.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.09 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG UNTIL  
1000. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........56-61 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
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.......NEAR LAKE MICHIGAN, 4600-5100 FT AGL.  
MIXING HEIGHT....... INLAND, 4600-5100 FT AGL INCREASING TO  
7200-7700 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....300-400 (GOOD).  
PCPN AMOUNT.........NONE TO 0.24 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MIN TEMPERATURE.....62-67.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH  
OVERNIGHT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......800-1300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) UNTIL 1400, THEN  
MOSTLY CLOUDY (70-80 PERCENT).  
MAX TEMPERATURE.....80-85.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........49-54 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3500-4000 FT AGL NEAR LAKE MICHIGAN AND  
5600-6100 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....700-900 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.18 IN.  
 

 
 
MIZ051-052-057>059-190830-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
330 PM EDT SAT AUG 18 2018  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2300. AREAS OF  
FOG AFTER 0200.  
CHANCE OF PCPN......20 PERCENT IN THE EVENING.  
MIN TEMPERATURE.....AROUND 63.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH IN THE EVENING  
BECOMING LIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1000-1500 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE TO 0.20 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). AREAS OF FOG  
UNTIL 1000. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 83.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........55-60 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4800-5300 FT AGL INCREASING TO 7200-7700 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....200-400 (FAIR TO GOOD).  
PCPN AMOUNT.........NONE TO 0.16 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MIN TEMPERATURE.....AROUND 63.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........99 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......600-1100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 83.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........49-54 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5600-6100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....600-900 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
 
MIZ065>067-072>074-190830-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
330 PM EDT SAT AUG 18 2018  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2300. AREAS OF  
FOG AFTER 0200.  
CHANCE OF PCPN......20 PERCENT IN THE EVENING.  
MIN TEMPERATURE.....AROUND 63.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......EAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......400-900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.09 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). AREAS OF FOG  
UNTIL 1000. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CHANCE OF PCPN......20 PERCENT IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 83.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........56-61 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......6100-6600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....300-400 (GOOD).  
PCPN AMOUNT.........NONE TO 0.09 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
MIN TEMPERATURE.....AROUND 63.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 6 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......800-1300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
MAX TEMPERATURE.....AROUND 82.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........53-58 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5100-5600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....600-800 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.06 IN.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTHEAST WINDS 5 TO 9 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL MIDDAY, THEN A CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH SHIFTING TO  
THE NORTHWEST 10 TO 15 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
COOLER. PARTLY CLOUDY. LOWS IN THE MID 50S.  
NORTHWEST WINDS 7 TO 12 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 6 TO  
11 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS  
5 TO 9 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 9 MPH.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
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