950  
FNUS53 KDTX 121907  
FWFDTX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
307 PM EDT SUN JUL 12 2020  
   
DISCUSSION
 
SCATTERED SHOWERS ARE EXPECTED TONIGHT OVER THE THUMB  
REGION AS AN UPPER LEVEL SYSTEM DIVES OVER LAKE HURON. MONDAY WILL  
BE DRY AND A FEW DEGREES COOLER THAN AVERAGE FOR MID JULY. A WARMING  
TREND WILL BEGIN ON TUESDAY WITH TEMPERATURES CLIMBING BACK TO THE  
MID TO UPPER 80S BY MID WEEK. EXPECT LIGHT WINDS FOR THE BEGINNING  
OF THE WEEK WITH MINIMUM RH VALUES IN THE 40S EACH DAY. THE NEXT  
GOOD CHANCE OF SHOWERS AND THUNDERSTORMS WILL OCCUR LATE WEDNESDAY  
INTO WEDNESDAY NIGHT.  
 
MIZ047-048-053-060-061-131215-  
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-  
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT  
307 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL MIDNIGHT. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........92-98 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
MAX TEMPERATURE.....74-79.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........38-46 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......7270-7770 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....EXCELLENT (610).  
PCPN AMOUNT.........NONE.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
MIN TEMPERATURE.....57-62.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........93-98 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST AROUND 5 MPH BECOMING SOUTHEAST IN  
THE LATE EVENING AND OVERNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH BECOMING SOUTHEAST IN  
THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MAX TEMPERATURE.....79-84.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........33-43 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH BECOMING SOUTHWEST IN THE  
LATE MORNING AND AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6940-7440 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH BECOMING SOUTHWEST IN THE  
LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (600).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ049-054-055-062-131215-  
HURON-TUSCOLA-SANILAC-LAPEER-  
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER  
307 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) UNTIL MIDNIGHT, THEN  
MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF  
SHOWERS UNTIL MIDNIGHT, THEN CHANCE OF RAIN  
SHOWERS. CHANCE OF PRECIPITATION 30 PERCENT.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........92-98 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH BECOMING NORTHWEST AFTER  
MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......160-360 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH BECOMING AROUND 5 MPH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). CHANCE OF RAIN  
SHOWERS UNTIL NOON. CHANCE OF PRECIPITATION 30  
PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........44-54 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6950-7450 FT AGL.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....EXCELLENT (930).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
MIN TEMPERATURE.....56-61.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........90-98 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST AROUND 5 MPH BECOMING SOUTH IN THE  
LATE EVENING AND OVERNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH BECOMING SOUTHEAST IN  
THE LATE EVENING AND EARLY MORNING, THEN  
BECOMING SOUTH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
MAX TEMPERATURE.....81-86.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........40-50 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6990-7490 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....EXCELLENT (630).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ063-068>070-075-076-082-083-131215-  
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-  
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN  
ARBOR-DETROIT-ADRIAN-MONROE  
307 PM EDT SUN JUL 12 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL MIDNIGHT. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........91-99 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........46-56 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......7180-7680 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....EXCELLENT (800).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
MIN TEMPERATURE.....57-62.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........90-98 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHEAST AROUND 5 MPH BECOMING SOUTHEAST IN  
THE LATE EVENING AND OVERNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH BECOMING SOUTHEAST IN  
THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........NONE.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....82-87.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........43-52 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE  
LATE MORNING AND AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......7420-7920 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH BECOMING SOUTHWEST IN THE  
LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (620).  
PCPN AMOUNT.........NONE.  
 

 
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
5 MPH.    
THURSDAY
 
SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING.  
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND  
5 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER  
90S.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 70S. HIGHS IN THE LOWER 90S.  
 

 
 
RBP  
 
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