560  
FNMY50 PGUM 302325  
FWFGUM  
 
FIRE WEATHER PLANNING FORECAST FOR GUAM  
NATIONAL WEATHER SERVICE TIYAN GU  
925 AM CHST MON MAY 31 2021  
   
DISCUSSION
 
WETTING RAINS BROUGHT THE KBDI DOWN TO 404. MEMORIAL  
DAY THROUGH WEDNESDAY WE EXPECT MORE WETTING RAIN AND THE KBDI TO  
CONTINUE TO LOWER. WE'RE AT THE START OF OUR WET SEASON. BASED ON  
DISCUSSION WITH FORESTRY OFFICIALS AND VEGETATIVE GREENING, THIS WILL  
BE THE LAST FIRE WEATHER FORECAST UNTIL THE NEXT DRY SEASON.  
 

 
 
GUZ001-312330-  
GUAM-  
925 AM CHST MON MAY 31 2021  
 
TODAY TONIGHT TUE  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE RAIN (%) 50 50 50  
TEMP 87 74 85  
RH % 69 99 73  
20FTWND-VAL/AM(MPH) E 11 SE 11  
20FTWND-RDG/PM(MPH) E 14 SE 12 SE 13  
MIXING HGT(FT-MSL) 3914 0 3358  
TRANSPORT WND (MPH) SE 30 S 0 SE 22  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS IN  
THE UPPER 70S. EAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS. HIGHS IN THE MID  
80S. EAST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN  
THE UPPER 70S. EAST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS. HIGHS IN THE  
UPPER 80S. EAST WINDS 5 TO 15 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN  
THE UPPER 70S. EAST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 80S. EAST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS  
IN THE UPPER 80S. EAST WINDS 5 TO 15 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 80S. EAST WINDS 5 TO 10 MPH.  
 

 
 
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