931  
FNUS53 KDTX 260751  
FWFDTX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
351 AM EDT WED APR 26 2017  
   
DISCUSSION
 
A WARM FRONT WILL LIFT NORTH OF THE AREA WEDNESDAY,  
BRINGING MUCH WARMER TEMPERATURES WITH HIGHS AROUND 80. AS SOUTH TO  
SOUTHEAST WINDS GUST TO 30 MPH BY MIDDAY, EXPECT MINIMUM RH VALUES TO  
DROP INTO THE 40S. LOW PRESSURE WILL DRAG A COLD FRONT THROUGH THE  
AREA ON THURSDAY, BRINGING A CHANCE OF SHOWERS AND STORMS. THIS  
INCREASED MOISTURE WILL HOLD AFTERNOON RH VALUES IN THE 50S. SOUTH TO  
SOUTHWEST WINDS WILL BE VERY GUSTY ONCE AGAIN, REACHING 35 MPH AT  
TIMES.  
 
MIZ047-048-053-060-061-261915-  
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-  
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT  
351 AM EDT WED APR 26 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) UNTIL 10 AM THEN  
MOSTLY CLOUDY (65-75 PERCENT) UNTIL NOON THEN  
PARTLY CLOUDY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER 5 PM. CHANCE OF  
PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........47-52 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......5530-6030 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH BECOMING SOUTH  
AROUND 30 MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (1760).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2 AM THEN A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PRECIPITATION 40 PERCENT.  
MIN TEMPERATURE.....AROUND 61.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........75-84 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.06-0.10 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS UNTIL 8 AM THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS. CHANCE OF  
PRECIPITATION 60 PERCENT.  
MAX TEMPERATURE.....65-70.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........60 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH BECOMING SOUTHWEST  
EARLY IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6100-6600 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 30 MPH BECOMING SOUTHWEST  
AROUND 45 MPH IN THE LATE MORNING AND  
AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (3060).  
PCPN AMOUNT.........0.11-0.25 IN.  
 

 
 
MIZ049-054-055-062-261915-  
HURON-TUSCOLA-SANILAC-LAPEER-  
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER  
351 AM EDT WED APR 26 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). A SLIGHT CHANCE  
OF. CHANCE OF PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........50-60 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH BECOMING SOUTH  
AROUND 20 MPH EARLY IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3490-3990 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH BECOMING SOUTH  
AROUND 30 MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (1300).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). A SLIGHT CHANCE  
OF. CHANCE OF PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....54-59.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........77-87 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 15 TO 20 MPH BECOMING SOUTH  
AROUND 10 MPH AFTER MIDNIGHT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......580-780 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 25 MPH BECOMING SOUTHEAST 10 TO 15  
MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (20).  
PCPN AMOUNT.........NONE.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS  
AFTER 8 AM UNTIL 2 PM. CHANCE OF THUNDERSTORMS  
AFTER 8 AM. SHOWERS LIKELY AFTER 2 PM. CHANCE  
OF PRECIPITATION 60 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........57-67 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6760-7260 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH BECOMING SOUTHWEST 40  
TO 45 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (3170).  
PCPN AMOUNT.........0.11-0.25 IN.  
 

 
 
MIZ063-068>070-075-076-082-083-261915-  
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-  
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN  
ARBOR-DETROIT-ADRIAN-MONROE  
351 AM EDT WED APR 26 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF  
PRECIPITATION 20 PERCENT.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........43-53 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......5210-5710 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH BECOMING SOUTH  
AROUND 30 MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (1640).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........76-83 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH DECREASING TO 10 TO 15 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.01-0.05 IN.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER 8 AM. CHANCE OF  
PRECIPITATION 60 PERCENT.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........56-62 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH INCREASING TO  
SOUTHWEST 20 TO 25 MPH IN THE LATE MORNING AND  
AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6690-7190 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 25 MPH BECOMING SOUTHWEST  
AROUND 40 MPH IN THE LATE MORNING AND  
AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (3260).  
PCPN AMOUNT.........0.11-0.25 IN.  
 

 
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
FRIDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND  
10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH.    
SUNDAY
 
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE LOWER 40S. HIGHS AROUND 60. EAST WINDS AROUND 10 MPH.    
MONDAY
 
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND  
50. HIGHS IN THE LOWER 60S.    
TUESDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S.  
 

 
 
DRK  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page Main Text Page