664  
FNUS76 KSEW 192216  
FWSSEW  
 
SPOT FORECAST FOR MAY VALLEY CMD...ESFR  
NATIONAL WEATHER SERVICE SEATTLE WA  
316 PM PDT FRI APR 19 2024  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 PDT ON APRIL 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (206) 526-6095, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
HIGH PRESSURE WILL CONTINUE TO PREVAIL THROUGH EARLY  
SATURDAY, WITH EAST TO SOUTHEAST WINDS AND TEMPERATURES INCREASING  
EARLY SATURDAY AHEAD OF AN APPROACHING FRONT. A FRONT WILL CROSS  
INTO WESTERN WASHINGTON MID-DAY SATURDAY, REACHING THE BURN SITE  
BY THE EARLY AFTERNOON. THIS WILL CAUSE WINDS TO SHIFT MORE  
SOUTHERLY AND WILL BRING IN MORE MOIST CONDITIONS. WIDESPREAD RAIN  
WILL MOVE OVER THE BURN SITE BY SATURDAY AFTERNOON, THOUGH  
ACCUMULATION AMOUNTS WILL REMAIN LIGHT. RAIN WILL TRANSITION OVER  
TO SHOWERS BY LATE SATURDAY WITH LIGHT SHOWER ACTIVITY TAPERING  
OFF BY SUNDAY AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CWR.................0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 10 MPH.  
MIXING HEIGHT.......6300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
HAINES MID LEVEL....6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
RAINFALL AMOUNT.....0.00 INCHES.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CWR.................0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........43 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
HAINES MID LEVEL....6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
RAINFALL AMOUNT.....0.00 INCHES.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT) THEN BECOMING PARTLY  
SUNNY (50-60 PERCENT). RAIN IN THE AFTERNOON.  
CWR.................3 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 9 TO 15 MPH.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
HAINES MID LEVEL....5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
RAINFALL AMOUNT.....0.05 INCHES.  
 

 
FORECASTER...LINDEMAN  
REQUESTED BY...BC VETTER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2411443.0/SEW  
.DELDT 04/19/24  
.FORMATTERVERSION 2.0.0  
.EMAIL BHARDESTY@EAF-R.ORG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page Main Text Page