645  
FNUS73 KDLH 191355 AAB  
FWSDLH  
 
SPOT FORECAST FOR GRAYLING WMA...UPDATED  
NATIONAL WEATHER SERVICE DULUTH MN  
855 AM CDT WED JUN 19 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON JUNE 19.  
IF THERE ARE QUESTIONS OR CONCERNS WITH THIS FORECAST...  
PLEASE CALL THE NATIONAL WEATHER SERVICE.  
   
DISCUSSION
 
 
UPDATED TO CORRECT SMOKE DISPERSAL DIRECTION IN DISCUSSION  
SECTION.  
 
PARTLY TO MOSTLY CLOUDY SKIES ARE EXPECTED AT THE BURN SITE TODAY  
WITH SUSTAINED WINDS FROM THE SOUTHEAST UP TO 6 MPH. ISOLATED  
RAIN SHOWERS ARE POSSIBLE LATE AFTERNOON INTO THE EVENING AND MAY  
RESULT IN LOCALIZED WIND GUSTS TO 20 MPH. LESS THAN FIVE-  
HUNDREDTHS OF AN INCH OF RAIN IS EXPECTED FROM ANY SHOWERS WHICH  
MOVE OVER THE BURN SITE. DEEP MIXING IS EXPECTED THIS AFTERNOON  
WHICH SHOULD RESULT IN GOOD TO EXCELLENT SMOKE DISPERSAL.  
TRANSPORT WINDS SHOULD CARRY THE SMOKE TOWARD THE WEST AND  
NORTHWEST AT AROUND 10 MPH.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS LATE  
IN THE AFTERNOON. CHANCE OF SHOWERS 20 PERCENT.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 3 TO 6 MPH. GUSTS UP TO 12 MPH  
LATE IN THE MORNING.  
MIXING HEIGHT.......3900 FT AGL INCREASING TO 9600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 9 MPH.  
SMOKE DISPERSAL.....FAIR (22200 KNOT-FT) INCREASING TO GOOD TO  
EXCELLENT (53300-72100 KNOT-FT) LATE IN THE  
MORNING.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC MC MC MC MC MC MC MC  
WEATHER COV..... SCH SCH SCH  
WEATHER TYPE.... RW RW RW  
TSTM COV........  
TEMP............64 68 70 71 72 73 73 73  
RH..............54 47 42 41 40 38 36 36  
20 FT WIND DIR..E E E E E SE SE SE  
20 FT WIND SPD..3 4 4 5 6 6 6 6  
20 FT WIND GUST.5 7 9 10 11 11 11 11  
MIX HGT (KFT)...3.9 6.9 7.3 8.0 8.5 9.0 9.6 9.3  
TRANSP WIND DIR.E E SE SE SE SE SE SE  
TRANSP WIND SPD.7 9 8 9 9 9 9 8  
SDSPL KT-FT/100022 53 58 63 70 70 72 69  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY.  
MIN TEMPERATURE.....AROUND 44.  
MAX HUMIDITY........95 PERCENT.  
WIND (20 FT)........EAST WINDS 2 TO 6 MPH. GUSTS UP TO 12 MPH EARLY  
IN THE EVENING.  
MIXING HEIGHT.......8200 FT AGL DECREASING TO 300 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 9 MPH.  
SMOKE DISPERSAL.....GOOD (38800-57900 KNOT-FT) DECREASING TO POOR  
TO FAIR (900-17800 KNOT-FT) IN THE LATE EVENING  
AND OVERNIGHT.  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY COVER.......MCLDY PCLDY MCLDY MCLDY  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............72 61 51 46  
RH..............36 57 84 91  
20 FT WIND......E 6G11 E 4G7 E 3G5 E 2G5  
MIX HGT (FT)....8200 2700 300 300  
TRANSPORT WIND..SE 8 E 8 E 7 E 5  
SDSPL KT-FT/100055 18 2 1  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS LATE  
IN THE MORNING. A CHANCE OF SHOWERS IN THE  
AFTERNOON. CHANCE OF SHOWERS 50 PERCENT.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........41 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 2 TO 6 MPH INCREASING TO 7 TO 9  
MPH WITH GUSTS TO AROUND 15 MPH LATE IN THE  
MORNING.  
MIXING HEIGHT.......1600 FT AGL INCREASING TO 4600-6800 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 23 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (1100-14200 KNOT-FT) INCREASING TO  
EXCELLENT (115300-134700 KNOT-FT).  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......PCLDY PCLDY MCLDY MCLDY  
WEATHER COV..... CHANCE CHANCE  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR  
TSTM COV........  
TEMP............45 60 70 72  
RH..............95 66 45 41  
20 FT WIND......E 2G5 SE 5G10 SE 8G15 SE 9G15  
MIX HGT (FT)....300 2900 6000 6800  
TRANSPORT WIND..E 5 SE 14 SE 22 SE 22  
SDSPL KT-FT/10001 37 115 128  
 

 
 
FORECASTER...KEVIN  
REQUESTED BY...RUSSELL REISZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1911075.0/DLH  
.DELDT 06/19/19  
.FORMATTERVERSION 1.0.25  
.EMAIL RUSSELL.REISZ@STATE.MN.US  
 
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