215  
FNUS53 KDTX 210813  
FWFDTX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
313 AM EST TUE NOV 21 2023  
   
DISCUSSION
 
WIDESPREAD RAIN IS EXPECTED TODAY WITH DRY CONDITIONS  
THEN RETURNING FOR THE REMAINDER OF THE WEEK ONCE LINGERING SHOWERS  
END TONIGHT. HIGH TEMPERATURES WILL RANGE LARGELY IN THE 40S THROUGH  
THURSDAY AND THEN COOL INTO THE 30S BY LATE IN THE WEEK.  
 
MIZ047-048-053-060-061-212215-  
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-  
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT  
313 AM EST TUE NOV 21 2023  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS. CHANCE OF  
PRECIPITATION 100 PERCENT.  
MAX TEMPERATURE.....40-45.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........68-78 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......EAST 10 TO 15 MPH BECOMING NORTHEAST EARLY IN  
THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......690-1190 FT AGL.  
TRANSPORT WINDS.....EAST 15 TO 20 MPH BECOMING SOUTHEAST AROUND 10  
MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (241).  
PCPN AMOUNT.........0.51-0.75 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS  
UNTIL 1 AM, THEN SLIGHT CHANCE OF SHOWERS.  
CHANCE OF PRECIPITATION 60 PERCENT.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........92-100 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......880-1080 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH BECOMING NORTH AROUND 20  
MPH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (23).  
PCPN AMOUNT.........0.06-0.10 IN.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).  
MAX TEMPERATURE.....40-45.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........60-70 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH BECOMING WEST EARLY IN  
THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......2580-3080 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH BECOMING WEST EARLY IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (420).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ049-054-055-062-212215-  
HURON-TUSCOLA-SANILAC-LAPEER-  
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER  
313 AM EST TUE NOV 21 2023  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY  
AFTER 4 AM UNTIL 7 AM, THEN SHOWERS.  
CHANCE OF PRECIPITATION 100 PERCENT.  
MAX TEMPERATURE.....42-48.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........69-79 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST 15 TO 20 MPH DIMINISHING TO AROUND 10  
MPH EARLY IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......900-1400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH DECREASING TO AROUND 15  
MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (467).  
PCPN AMOUNT.........0.51-0.75 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY  
UNTIL 10 PM, THEN CHANCE OF SHOWERS. CHANCE  
OF PRECIPITATION 70 PERCENT.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........90-100 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH BECOMING AROUND 15 MPH  
AFTER MIDNIGHT.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......860-1060 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH BECOMING NORTHWEST 15  
TO 20 MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (24).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT).  
MAX TEMPERATURE.....40-45.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........51-61 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH BECOMING WEST AROUND 10  
MPH EARLY IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......2520-3020 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH BECOMING WEST EARLY IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (482).  
PCPN AMOUNT.........NONE.  
 

 
 
MIZ063-068>070-075-076-082-083-212215-  
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-  
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN  
ARBOR-DETROIT-ADRIAN-MONROE  
313 AM EST TUE NOV 21 2023  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS. CHANCE OF  
PRECIPITATION 100 PERCENT.  
MAX TEMPERATURE.....44-50.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........65-75 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST 15 TO 20 MPH BECOMING SOUTH AROUND 10  
MPH EARLY IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......770-1270 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....GOOD (364).  
PCPN AMOUNT.........0.51-0.75 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (80-90 PERCENT). RAIN SHOWERS LIKELY  
UNTIL 10 PM, THEN CHANCE OF SHOWERS. CHANCE  
OF PRECIPITATION 60 PERCENT.  
MIN TEMPERATURE.....34-38.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........90-100 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH BECOMING NORTHWEST AFTER  
MIDNIGHT.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......860-1060 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH BECOMING NORTHWEST 15  
TO 20 MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (23).  
PCPN AMOUNT.........0.06-0.10 IN.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).  
MAX TEMPERATURE.....40-46.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........57-67 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......2610-3110 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH DECREASING TO AROUND 15  
MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (482).  
PCPN AMOUNT.........NONE.  
 

 
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
THANKSGIVING DAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN  
THE MID 40S. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE  
MID 30S. NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
30S. NORTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S.  
 

 
 
DG  
 
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