392  
FNUS73 KDLH 061957  
FWSDLH  
 
SPOT FORECAST FOR BREVIK RX...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE DULUTH MN  
ISSUED BY NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
257 PM CDT TUE MAY 6 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 07.  
IF THERE ARE QUESTIONS OR CONCERNS WITH THIS FORECAST, OR IF  
CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE IN DULUTH AT 218-729-0653.  
   
DISCUSSION
 
 
GOOD AFTERNOON, FOR THE BREVIK RX, CONDITIONS WILL BY DRY AND  
WINDS WILL BE LIGHT WEDNESDAY MORNING. THESE LIGHT WINDS MAY BE  
THE MOST CHALLENGING ASPECT OF THE BURN. THEY SHOULD MAINTAIN  
AN EASTERLY COMPONENT THROUGHOUT THE BURN BUT COULD WAFFLE  
AROUND SLIGHTLY NORTHEAST OR EVEN SLIGHTLY SOUTHEAST AT  
TIMES SINCE SPEEDS WILL ONLY BE AROUND 5 MPH OR LESS. OTHERWISE  
EXPECT ANOTHER DAY OF LOW HUMIDITY, WITH RH FALLING INTO THE  
UPPER 20S DURING THE AFTERNOON.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH LATE  
IN THE MORNING.  
MIXING HEIGHT.......2300 FT AGL INCREASING TO 4700 FT AGL LATE IN  
THE MORNING.  
TRANSPORT WINDS.....NORTHEAST 7 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR TO GOOD (13500-31900 KNOT-FT) INCREASING  
TO FAIR TO GOOD (24000-37600 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR MCR MCR MCR CLR CLR CLR CLR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............50 55 58 59 62 63 64 65 64  
RH..............58 49 44 38 33 33 32 28 32  
20 FT WIND DIR..E E E NE NE NE NE NE NE  
20 FT WIND SPD..3 3 4 4 5 5 4 4 4  
20 FT WIND GUST.9 9 11 11 11 12 11 11 11  
MIX HGT (KFT)...1.5 2.3 3.5 4.1 4.5 4.7 4.6 4.0 4.5  
TRANSP WIND DIR.E E NE NE E NE NE NE NE  
TRANSP WIND SPD.10 10 10 10 9 9 8 7 7  
SDSPL KT-FT/100014 21 32 37 36 38 33 24 27  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........66 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 6 MPH SHIFTING TO THE SOUTHEAST  
IN THE LATE EVENING AND OVERNIGHT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............64 58 50 45 41 38  
RH..............33 38 53 60 63 64  
20 FT WIND......E 4 E 5 SE 5 SE 5 SE 5 SE 4  
20 FT WIND GUST.11 8 9 9 8 8  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............36 41 51 59 65 67  
RH..............66 60 45 37 31 29  
20 FT WIND......SE 4 SE 4 SE 5 S 6 S 6 S 6  
20 FT WIND GUST.7 8 8 9 11 11  
 

 
FORECASTER...MPX  
REQUESTED BY...ROB FOCHT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513235.0/DLH  
.DELDT 05/06/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ROBERT.FOCHT@USDA.GOV  
 
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