654  
FNUS73 KAPX 160952  
FWSAPX  
 
SPOT FORECAST FOR RIVER ROAD 16...USFS  
NATIONAL WEATHER SERVICE GAYLORD MI  
552 AM EDT WED APR 16 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 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  
CLOUDY SKIES TO START THE MORNING WILL QUICKLY  
BECOME SUNNY BY MID MORNING, REMAINING SO FOR THE REST OF THE DAY.  
NORTHWEST WINDS WILL BE AROUND 15 MPH AT THE BURN SITE, WITH GUSTS  
TO AROUND 25 MPH. GUSTS WILL DECREASE A TOUCH BY LATE AFTERNOON.  
RELATIVE HUMIDITY LEVELS BOTTOM OUT NEAR 25 PERCENT LATE IN THE  
AFTERNOON.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........26 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 12 MPH.  
TRANSPORT WINDS.....NORTHWEST 18 TO 24 MPH.  
MIXING HEIGHT.......600-2100 FT AGL INCREASING TO 5100-5800 FT AGL.  
VENTILATION INDEX...POOR TO GOOD (101.0-497.0) INCREASING TO  
EXCELLENT (1073.0).  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........71 19 11 28 2 0 1 1 0 0 0 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............29 29 30 33 38 41 43 46 48 49 49 49  
RH..............81 78 72 61 48 39 36 31 29 28 26 26  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..14 14 14 14 14 14 14 14 14 14 14 14  
20 FT WIND GUST.24 24 24 23 23 23 22 22 22 21 21 21  
MIX HGT (KFT)...2.0 0.6 2.1 2.7 3.0 3.7 4.4 5.1 5.6 5.8 5.8 5.8  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.23 18 24 24 24 24 24 23 21 20 20 18  
VRATE KT-FT.....471 101 497 660 729 894 107211721158114011351073  
VENTRATE CAT....GD PR GD EXL EXL EXL EXL EXL EXL EXL EXL EXL  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 23.  
MAX HUMIDITY........84 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 9 MPH IN THE EVENING  
BECOMING LIGHT.  
TRANSPORT WINDS.....NORTHWEST 9 TO 17 MPH DECREASING TO 3 TO 7 MPH  
OVERNIGHT.  
MIXING HEIGHT.......4500-5000 FT AGL DECREASING TO 300-1600 FT AGL  
EARLY IN THE EVENING.  
VENTILATION INDEX...EXCELLENT (668.0) DECREASING TO POOR TO FAIR  
(10.0-184.0) EARLY IN THE EVENING.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 0 0 0 0 0 0 2 3 3 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 45 42 38 35 32 30 31 30 29 29 24  
RH..............28 32 36 44 52 58 66 61 66 69 69 84  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..12 12 12 7 7 7 5 5 5 3 3 3  
20 FT WIND GUST.20 20 20 15 15 15 10 10 10 7 7 7  
MIX HGT (KFT)...5.0 4.5 1.6 0.8 1.1 0.7 0.4 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.NW NW NW NW N NW NW NW NW NW NW NW  
TRANSP WIND SPD.17 15 12 10 10 9 7 7 6 6 3 5  
VRATE KT-FT.....865 668 184 79 111 63 27 24 20 18 10 13  
VENTRATE CAT....EXL EXL FR PR PR PR PR PR PR PR PR PR  
 
 
FORECASTER...JZ  
REQUESTED BY...BRIAN STEARNS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510574.0/APX  
.DELDT 04/16/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN.STEARNS@USDA.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MI Page
Main Text Page