742  
FNUS73 KAPX 171027  
FWSAPX  
 
SPOT FORECAST FOR PINE RIVER RX...USFS  
NATIONAL WEATHER SERVICE GAYLORD MI  
627 AM EDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1500 EDT ON APRIL 17.  
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  
HIGH PRESSURE MOVING OFF TO THE EAST WILL CONTRIBUTE  
TO DRY AIR AND MAINLY SUNNY SKIES THIS AFTERNOON. SOUTHERLY WINDS  
WILL GRADUALLY INCREASE THIS AFTERNOON. SUSTAINED WINDS OF 10 TO  
15 MPH, WITH GUSTS AROUND 20 MPH, ARE EXPECTED MID TO LATE  
AFTERNOON. HUMIDITY LEVELS WILL BE IN THE MID TO UPPER 20S  
PERCENT. MOVING INTO THIS EVENING, CLOUDS WILL BE INCREASING, AND  
SHOWER CHANCES WILL INCREASE AFTER MIDNIGHT. SOUTHEAST TO SOUTH  
WINDS WILL REMAIN SOMEWHAT BREEZY, THOUGH HUMIDITY LEVELS WILL  
STEADILY RECOVER.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........27 PERCENT.  
20-FOOT WINDS.......SOUTH WINDS 9 TO 10 MPH.  
TRANSPORT WINDS.....SOUTH 15 TO 17 MPH.  
MIXING HEIGHT.......2900-3100 FT AGL.  
VENTILATION INDEX...GOOD (440.0).  
 
TIME (EDT) 3PM 4PM 5PM  
SKY (%).........8 16 12  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0  
TEMP............55 56 56  
RH..............27 27 30  
20 FT WIND DIR..S S S  
20 FT WIND SPD..13 13 13  
20 FT WIND GUST.18 18 18  
MIX HGT (KFT)...2.9 3.1 3.0  
TRANSP WIND DIR.S S S  
TRANSP WIND SPD.15 16 17  
VRATE KT-FT.....440 499 512  
VENTRATE CAT....GD GD GD  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN  
SHOWERS OVERNIGHT. RAIN SHOWERS OVERNIGHT.  
CHANCE OF THUNDER...2 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........86 PERCENT.  
20-FOOT WINDS.......SOUTH WINDS 7 TO 9 MPH.  
TRANSPORT WINDS.....SOUTH 12 TO 20 MPH.  
MIXING HEIGHT.......500-2200 FT AGL.  
VENTILATION INDEX...POOR TO GOOD (60.0-326.0).  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........19 29 60 64 73 85 94 95 96 97 98 99  
WEATHER COV..... CHC CHC DEF DEF DEF DEF  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 54 51 49 49 49 48 48 47 47 47 49  
RH..............32 35 42 50 54 54 63 71 79 83 86 80  
20 FT WIND DIR..SE SE SE S S S S S S S S S  
20 FT WIND SPD..12 12 12 10 10 10 12 12 12 12 12 12  
20 FT WIND GUST.18 18 18 18 18 18 18 18 18 18 18 18  
MIX HGT (KFT)...2.2 1.2 0.5 0.6 0.7 0.8 0.9 1.1 1.0 0.9 0.9 1.1  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.15 13 12 13 14 15 16 17 20 16 17 15  
VRATE KT-FT.....326 149 60 80 102 122 144 190 200 148 159 161  
VENTRATE CAT....GD FR PR PR PR PR FR FR FR FR FR FR  
 
 
FORECASTER...JZ  
REQUESTED BY...BRIAN STEARNS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510828.0/APX  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN.STEARNS@USDA.GOV  
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