516  
FNUS53 KGRR 211947  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
347 PM EDT SAT JUL 21 2018  
   
..THE WET PATTERN WILL CONTINUE INTO SUNDAY
 
 
   
DISCUSSION
 
 
THE UPPER LOW THAT HAS BEEN RESPONSIBLE FOR SHOWERS AND STORMS THE  
LAST 24 HOURS WILL REMAIN IN THE AREA INTO SUNDAY. SHOWERS AND STORMS  
WILL BE MOST NUMEROUS IN THE AFTERNOON AND EVENING HOURS. HIGH  
TEMPERATURES WILL REMAIN IN THE 70S ON SUNDAY AND MONDAY, WARMING  
BACK INTO THE 80S FOR TUESDAY AND WEDNESDAY. WE SHOULD DRY OUT IN THE  
EARLY PORTION OF THE WORK WEEK.  
 
MIZ037>039-043>045-220830-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
347 PM EDT SAT JUL 21 2018  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS LIKELY  
UNTIL 2300, THEN A CHANCE OF SHOWERS. PATCHY  
FOG AFTER 0500.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 66.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.05-0.24 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). AND PATCHY FOG  
UNTIL 1000. CHANCE OF SHOWERS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........60-65 PERCENT NEAR LAKE MICHIGAN AND 52-57  
PERCENT INLAND.  
24 HR TREND......26 PERCENT DRIER NEAR LAKE MICHIGAN AND 28  
PERCENT DRIER INLAND.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2200-2700 FT AGL.  
MIXING HEIGHT....... INLAND, 3700-4200 FT AGL INCREASING TO  
6800-7300 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....700-1100 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.09 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MIN TEMPERATURE.....58-63.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........95-100 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.......0-500 FT AGL NEAR LAKE MICHIGAN AND 700-1200 FT  
AGL INLAND.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE TO 0.03 IN.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....75-80.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........52-57 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1300-1800 FT AGL NEAR LAKE MICHIGAN AND  
2700-3200 FT AGL INLAND.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....100-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
 
MIZ040-046-220830-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
347 PM EDT SAT JUL 21 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS LIKELY UNTIL  
2300, THEN A CHANCE OF SHOWERS. PATCHY FOG  
AFTER 0500.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 66.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.10-0.31 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF SHOWERS.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........48-53 PERCENT.  
24 HR TREND......29 PERCENT DRIER.  
20-FOOT WINDS.......NORTHEAST WINDS 6 TO 11 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5300-5800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....800-900 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.09 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 60.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........95-100 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.......500-1000 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.04 IN.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
MAX TEMPERATURE.....AROUND 79.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........52-57 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH UNTIL MIDDAY  
BECOMING LIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2800-3300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
 
MIZ050-056-064-071-220830-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
347 PM EDT SAT JUL 21 2018  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS LIKELY  
UNTIL 2300, THEN A CHANCE OF SHOWERS.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 68.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......600-1100 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.04-0.43 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AFTER 1000. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1400 UNTIL 1700.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
20-FOOT WINDS.......NORTHEAST WINDS 6 TO 11 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 3500-4000 FT AGL.  
MIXING HEIGHT....... INLAND, 2800-3300 FT AGL INCREASING TO  
4800-5300 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....600-700 (EXCELLENT).  
PCPN AMOUNT.........0.01-0.15 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (65-75 PERCENT) UNTIL 0500, THEN  
MOSTLY CLOUDY (65-75 PERCENT).  
MIN TEMPERATURE.....60-65.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......800-1300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........NONE TO 0.07 IN.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....75-80.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2100-2600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....200 (FAIR).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
 
MIZ051-052-057>059-220830-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
347 PM EDT SAT JUL 21 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS LIKELY UNTIL  
2200, THEN A CHANCE OF SHOWERS. PATCHY FOG  
AFTER 0600.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 67.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1000-1500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.07-0.72 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AFTER 1000.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........52-57 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
20-FOOT WINDS.......NORTHEAST WINDS 6 TO 11 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......3700-4200 FT AGL INCREASING TO 5800-6300 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....700-900 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.06 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 61.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......600-1100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.04 IN.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........53-58 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH UNTIL MIDDAY BECOMING  
LIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2900-3400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....100-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
 
MIZ065>067-072>074-220830-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
347 PM EDT SAT JUL 21 2018  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS. PATCHY FOG AFTER 0700.  
CHANCE OF PCPN......50 PERCENT.  
MIN TEMPERATURE.....AROUND 66.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1100-1600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.05-0.29 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG UNTIL  
1000. CHANCE OF SHOWERS AFTER 1000.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
20-FOOT WINDS.......NORTHEAST WINDS 7 TO 12 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....600-700 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.06 IN.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
MIN TEMPERATURE.....AROUND 60.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS AROUND 6 MPH IN THE EVENING  
BECOMING LIGHT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
PCPN AMOUNT.........NONE TO 0.05 IN.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 78.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 8 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2900-3400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
SMOKE DISPERSAL.....100-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST  
WINDS 5 TO 6 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO  
9 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST  
WINDS 5 TO 6 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS 5 TO  
9 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. WEST WINDS  
5 TO 9 MPH.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 6 TO  
11 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.    
FRIDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS IN THE UPPER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
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