666  
FNUS53 KDTX 221934  
FWFDTX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
334 PM EDT FRI JUN 22 2018  
   
DISCUSSION
 
A BROAD AREA OF LOW PRESSURE OVER INDIANA WILL SLOWLY  
MOVE NORTHEAST ACROSS THE REGION THIS WEEKEND. PERIODS OF SHOWERS  
WITH EMBEDDED HEAVIER RAIN SEGMENTS AND THUNDERSTORMS WILL LIFT  
NORTH ACROSS SOUTHEAST MICHIGAN THIS AFTERNOON AND CONTINUE  
AFFECTING THE REGION THROUGH SUNDAY MORNING. DRIER WEATHER WILL THEN  
BEGIN TO MOVE INTO THE REGION LATE SUNDAY THROUGH MONDAY AS HIGH  
PRESSURE BUILDS SOUTH ACROSS THE REGION. CLOUD COVER AND AREAS OF  
RAIN WILL KEEP HIGH TEMPERATURES IN THE 70S THIS AFTERNOON AND  
SATURDAY. GUSTY EAST WINDS THIS AFTERNOON WILL DIMINISH TONIGHT AND  
BECOME LIGHT AND VARIABLE ON SATURDAY.  
 
MIZ047-048-053-060-061-231215-  
MIDLAND-BAY-SAGINAW-SHIAWASSEE-GENESEE-  
INCLUDING THE CITIES OF MIDLAND-BAY CITY-SAGINAW-OWOSSO-FLINT  
334 PM EDT FRI JUN 22 2018  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS UNTIL 8 PM. A SLIGHT CHANCE OF  
THUNDERSTORMS. SHOWERS LIKELY AFTER 8 PM.  
CHANCE OF PRECIPITATION 70 PERCENT.  
MIN TEMPERATURE.....59-64.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........90-96 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH DIMINISHING TO  
AROUND 5 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......240-440 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH DECREASING TO AROUND 5  
MPH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS LIKELY AND A  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
NOON THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS. CHANCE OF PRECIPITATION 70  
PERCENT.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........71-81 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2060-2560 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH BECOMING NORTH EARLY IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (180).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS. CHANCE OF  
PRECIPITATION 50 PERCENT.  
MIN TEMPERATURE.....AROUND 60.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........98 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......160-360 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2 PM. CHANCE OF  
PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........61 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1410-1910 FT AGL.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH BECOMING NORTHEAST AROUND 20  
MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (360).  
PCPN AMOUNT.........0.06-0.10 IN.  
 

 
 
MIZ049-054-055-062-231215-  
HURON-TUSCOLA-SANILAC-LAPEER-  
INCLUDING THE CITIES OF BAD AXE-CARO-SANDUSKY-LAPEER  
334 PM EDT FRI JUN 22 2018  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS UNTIL 8 PM THEN SHOWERS. CHANCE OF  
PRECIPITATION 90 NEAR PERCENT.  
MIN TEMPERATURE.....59-64.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......220-420 FT AGL.  
TRANSPORT WINDS.....EAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.26-0.50 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT). SHOWERS LIKELY  
UNTIL NOON. A SLIGHT CHANCE OF THUNDERSTORMS.  
CHANCE OF SHOWERS AFTER NOON. CHANCE OF  
PRECIPITATION 80 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........74-84 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH BECOMING NORTHEAST EARLY  
IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1730-2230 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH BECOMING NORTHEAST EARLY IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (150).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT). A SLIGHT CHANCE  
OF THUNDERSTORMS UNTIL 8 PM. A SLIGHT CHANCE OF  
SHOWERS UNTIL 2 AM THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS. CHANCE OF PRECIPITATION 50  
PERCENT.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........99 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......200-400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2 PM. CHANCE OF  
PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........60-70 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1160-1660 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH INCREASING TO 15 TO 20 MPH  
IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....GOOD (330).  
PCPN AMOUNT.........0.11-0.25 IN.  
 

 
 
MIZ063-068>070-075-076-082-083-231215-  
ST CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-  
INCLUDING THE CITIES OF PORT HURON-HOWELL-PONTIAC-WARREN-ANN  
ARBOR-DETROIT-ADRIAN-MONROE  
334 PM EDT FRI JUN 22 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS LIKELY UNTIL  
8 PM. CHANCE OF THUNDERSTORMS. CHANCE OF  
SHOWERS AFTER 8 PM. CHANCE OF PRECIPITATION 70  
PERCENT.  
MIN TEMPERATURE.....62-67.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........91-99 PERCENT.  
24 HR TREND......23 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS 10 TO 15 MPH DIMINISHING TO AROUND 5  
MPH AFTER MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......300-500 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS UNTIL NOON. CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY AFTER NOON. CHANCE OF  
PRECIPITATION 60 PERCENT.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........67-77 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING NORTHWEST  
EARLY IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4130-4630 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH BECOMING NORTHWEST EARLY  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (610).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS LIKELY  
UNTIL MIDNIGHT. CHANCE OF THUNDERSTORMS. CHANCE OF  
SHOWERS AFTER MIDNIGHT. CHANCE OF PRECIPITATION 60  
PERCENT.  
MIN TEMPERATURE.....59-64.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........94-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......200-400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....POOR (0).  
PCPN AMOUNT.........0.11-0.25 IN.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 8 AM THEN A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PRECIPITATION 40 PERCENT.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........61-71 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2850-3350 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH INCREASING TO AROUND 15  
MPH EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (690).  
PCPN AMOUNT.........0.11-0.25 IN.  
 

 
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.  
NORTHEAST WINDS AROUND 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE MID 50S.  
HIGHS AROUND 80. SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE MID  
80S.    
FRIDAY
 
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
 

 
 
JVC  
 
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