377  
FNUS53 KGRR 200712  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
312 AM EDT WED SEP 20 2017  
   
..DRY TODAY
 
 
   
DISCUSSION
 
 
THE WARM AND MOSTLY DRY CONDITIONS WILL PREVAIL TODAY.  
MORNING FOG AND LOW CLOUDS WILL GIVE WAY TO INCREASING  
SUNSHINE AND WARMING TEMPERATURES. THERE COULD BE A FEW  
STORMS AROUND TONIGHT AND THURSDAY AND IT WILL BE WARMING  
UP FOR THURSDAY.  
 
MIZ037>039-043>045-202015-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
312 AM EDT WED SEP 20 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG  
UNTIL 1000.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........51-56 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......2900-3400 FT AGL NEAR LAKE MICHIGAN AND  
4500-5000 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....400-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 0200, THEN  
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......40 PERCENT.  
MIN TEMPERATURE.....AROUND 65.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......0-500 FT AGL NEAR LAKE MICHIGAN AND 2300-2800  
FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....100-400 (POOR TO GOOD).  
PCPN AMOUNT.........0.01-0.16 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........67-72 PERCENT NEAR LAKE MICHIGAN AND 57-62  
PERCENT INLAND.  
24 HR TREND......9 PERCENT WETTER NEAR LAKE MICHIGAN AND 8  
PERCENT WETTER INLAND.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 2300-2800 FT AGL.  
MIXING HEIGHT....... INLAND, 4200-4700 FT AGL INCREASING TO  
6300-6800 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....500 (GOOD) INCREASING TO 1100 (EXCELLENT) IN  
THE AFTERNOON.  
PCPN AMOUNT.........NONE TO 0.17 IN.  
 

 
 
MIZ040-046-202015-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
312 AM EDT WED SEP 20 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) UNTIL 1600, THEN  
MOSTLY SUNNY (35-45 PERCENT). AREAS OF FOG  
UNTIL 1000.  
MAX TEMPERATURE.....AROUND 81.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........53-58 PERCENT.  
24 HR TREND......3 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.......5300-5800 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) UNTIL 0600, THEN  
MOSTLY CLOUDY (65-75 PERCENT) UNTIL 0700, THEN  
PARTLY CLOUDY (65-75 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 0200.  
CHANCE OF PCPN......30 PERCENT OVERNIGHT.  
MIN TEMPERATURE.....AROUND 64.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2600-3100 FT AGL DECREASING TO 100-600 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....500 (GOOD) DECREASING TO 0 (POOR) OVERNIGHT.  
PCPN AMOUNT.........NONE TO 0.06 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........55-60 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......3900-4400 FT AGL INCREASING TO 7100-7600 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....500 (GOOD) INCREASING TO 1200 (EXCELLENT) IN  
THE AFTERNOON.  
PCPN AMOUNT.........0.03-0.12 IN.  
 

 
 
MIZ050-056-064-071-202015-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
312 AM EDT WED SEP 20 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) UNTIL 1400, THEN  
MOSTLY SUNNY (20-30 PERCENT). AREAS OF FOG  
UNTIL 1000.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........51-56 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......3700-4200 FT AGL NEAR LAKE MICHIGAN AND  
4700-5200 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 67.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........92-97 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL NEAR LAKE MICHIGAN AND 1500-2000  
FT AGL INLAND.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....100 (POOR).  
PCPN AMOUNT.........0.01-0.18 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).  
MAX TEMPERATURE.....83-88.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......NEAR LAKE MICHIGAN, 4200-4700 FT AGL.  
MIXING HEIGHT....... INLAND, 4400-4900 FT AGL INCREASING TO  
6600-7100 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....500-900 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.07 IN.  
 

 
 
MIZ051-052-057>059-202015-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
312 AM EDT WED SEP 20 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG  
UNTIL 1000.  
MAX TEMPERATURE.....AROUND 83.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........49-54 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5500-6000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-600 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 0200.  
CHANCE OF PCPN......20 PERCENT OVERNIGHT.  
MIN TEMPERATURE.....AROUND 66.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......1600-2100 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........NONE TO 0.05 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........52-57 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL INCREASING TO 7400-7900 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....600 (EXCELLENT) INCREASING TO 1200 (EXCELLENT)  
IN THE AFTERNOON.  
PCPN AMOUNT.........0.01-0.14 IN.  
 

 
 
MIZ065>067-072>074-202015-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
312 AM EDT WED SEP 20 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG  
UNTIL 1000.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........51-56 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......5200-5700 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
SMOKE DISPERSAL.....300-500 (GOOD).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 0200.  
CHANCE OF PCPN......20 PERCENT OVERNIGHT.  
MIN TEMPERATURE.....AROUND 64.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......1900-2400 FT AGL DECREASING TO 0-400 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....0-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.03 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).  
MAX TEMPERATURE.....AROUND 87.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........53-58 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL INCREASING TO 6700-7200 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....500-800 (GOOD TO EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.08 IN.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. SOUTH WINDS 5 TO 8 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO  
9 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTH WINDS 5 TO  
8 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS 5 TO 8 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH WINDS  
UP TO 5 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 9 MPH.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60.    
MONDAY
 
SUNNY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page
The Nexlab IN Page Main Text Page