252  
FNUS73 KAPX 151526  
FWSAPX  
 
SPOT FORECAST FOR MIO PRAIRIE...USFS  
NATIONAL WEATHER SERVICE GAYLORD MI  
1126 AM EDT TUE APR 15 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1800 EDT ON APRIL 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE... CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (989)732-9306, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
TEMPERATURES WILL REACH THE UPPER 40S TO LOW 50S WITH  
INCREASINGLY CLEAR SKIES AS THE DAY PROGRESSES WEDNESDAY.  
NORTHWEST WINDS WILL REMAIN BREEZY WITH GUSTS 15-20 MPH THROUGH  
THE AFTERNOON/ EVENING, BEFORE BECOMING WEAK/ CALM WEDNESDAY  
NIGHT. CRITICAL FIRE WEATHER PARAMETERS WILL BE APPROACHED, WITH  
HUMIDITY VALUES LOWERING TO AROUND 25 PERCENT IN THE AFTERNOON.  
 
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 21.  
MAX HUMIDITY........83 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTS 15-20 MPH IN THE EVENING.  
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH DECREASING TO 7 TO 10  
MPH LATE IN THE EVENING.  
MIXING HEIGHT.......1800-3600 FT AGL DECREASING TO 400-1200 FT AGL  
IN THE LATE EVENING AND OVERNIGHT.  
VENTILATION INDEX...FAIR TO EXCELLENT (287.0-730.0) DECREASING TO  
POOR TO FAIR (27.0-161.0) IN THE LATE EVENING  
AND OVERNIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 4 5 6 4 3 4 5 6 7 7 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............46 44 41 38 35 32 29 27 25 24 23 23  
RH..............31 33 37 46 54 61 68 74 80 81 83 80  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..13 13 13 5 5 5 3 3 3 2 2 2  
20 FT WIND GUST.18 18 18 13 13 13 8 8 8 5 5 5  
MIX HGT (KFT)...3.6 2.7 1.8 1.2 0.7 0.4 0.4 0.5 0.6 0.5 0.4 0.4  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.21 18 16 14 12 10 10 10 10 9 8 7  
VRATE KT-FT.....730 487 287 161 84 46 41 54 65 52 36 27  
VENTRATE CAT....EXL GD FR FR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........27 PERCENT.  
20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTH 5 TO 6 MPH SHIFTING TO THE EAST AROUND 5  
MPH EARLY IN THE MORNING, THEN SHIFTING TO THE  
SOUTH 6 TO 13 MPH IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 2400-3500 FT AGL  
LATE IN THE MORNING.  
VENTILATION INDEX...POOR TO GOOD (25.0-412.0).  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........8 8 8 8 9 9 13 16 20 26 33 39  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............23 24 27 32 38 44 48 52 54 56 57 57  
RH..............80 79 71 58 47 38 32 30 28 27 29 30  
20 FT WIND DIR..E E E SE SE SE S S S S S S  
20 FT WIND SPD..2 2 2 5 5 5 8 8 8 9 9 9  
20 FT WIND GUST.5 5 5 10 10 10 15 15 15 16 16 16  
MIX HGT (KFT)...0.4 0.6 0.8 1.3 1.9 2.4 2.9 3.2 3.4 3.5 3.4 3.1  
TRANSP WIND DIR.N NE NE E SE S S S S S S S  
TRANSP WIND SPD.6 5 5 5 6 7 8 9 10 12 13 13  
VRATE KT-FT.....25 28 39 65 110 168 232 298 353 397 412 389  
VENTRATE CAT....PR PR PR PR PR FR FR FR GD GD GD GD  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING. RAIN SHOWERS  
OVERNIGHT.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........91 PERCENT.  
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 7 MPH IN THE EVENING.  
TRANSPORT WINDS.....SOUTH 13 TO 15 MPH.  
MIXING HEIGHT.......700-2400 FT AGL.  
VENTILATION INDEX...POOR TO GOOD (91.0-308.0).  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........43 48 52 60 69 77 80 83 86 86 87 87  
WEATHER COV..... CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............56 55 52 50 48 46 45 44 44 44 43 43  
RH..............32 37 42 46 52 56 60 67 70 74 81 84  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE S S S  
20 FT WIND SPD..9 9 9 9 9 9 10 10 10 12 12 12  
20 FT WIND GUST.17 17 17 20 20 20 22 22 22 22 22 22  
MIX HGT (KFT)...2.4 1.6 1.0 0.7 0.7 0.8 0.8 0.9 1.0 0.9 0.9 0.9  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.13 13 13 13 14 14 14 15 15 15 15 15  
VRATE KT-FT.....308 205 123 94 92 91 101 115 126 122 115 112  
VENTRATE CAT....GD FR PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
EARLY IN THE MORNING, THEN RAIN SHOWERS LIKELY  
EARLY IN THE MORNING. RAIN SHOWERS LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........67 PERCENT.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 12 MPH SHIFTING TO THE  
SOUTHWEST AROUND 10 MPH LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 16 TO 18 MPH.  
MIXING HEIGHT.......600-1700 FT AGL.  
VENTILATION INDEX...POOR TO FAIR (84.0-274.0).  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........86 85 84 82 79 77 78 78 79 76 73 70  
WEATHER COV.....DEF DEF LKY LKY LKY LKY LKY LKY DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............44 45 46 48 51 54 57 60 62 63 63 63  
RH..............87 91 89 88 83 80 75 70 68 67 67 68  
20 FT WIND DIR..S S S S S S SW SW SW SW SW SW  
20 FT WIND SPD..12 12 12 12 12 12 10 10 10 10 10 10  
20 FT WIND GUST.22 22 22 21 21 21 21 21 21 21 21 21  
MIX HGT (KFT)...0.9 0.9 1.0 1.3 1.5 1.7 1.7 1.7 1.6 1.3 0.9 0.6  
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.16 17 18 18 18 18 18 17 17 17 17 16  
VRATE KT-FT.....123 142 168 204 240 264 274 266 240 191 132 84  
VENTRATE CAT....PR FR FR FR FR FR FR FR FR FR FR PR  
 

 
FORECASTER...NSC  
REQUESTED BY...TRAVIS WILTSE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510426.0/APX  
.DELDT 04/15/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TRAVIS.A.WILTSE@USDA.GOV  
 
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