657  
FNUS76 KMFR 200537  
FWSMFR  
 
SPOT FORECAST FOR SKU...CAL FIRE  
NATIONAL WEATHER SERVICE MEDFORD OR  
1037 PM PDT MON MAY 19 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 2300 PDT ON MAY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
WIND SPEEDS WILL REMAIN SLIGHTLY ELEVATED TONIGHT  
WITH SPEEDS FROM THE NORTH/NORTHWEST AROUND 6 TO 10 MPH. IN FACT,  
THIS WILL BE THE CASE TONIGHT THROUGH TOMORROW. IN OTHER WORDS,  
NOT EXPECTING A WIND SHIFT OVER THE NEXT 24 HOURS. ALSO OF NOTE  
TONIGHT WILL BE THE MIXING HEIGHT, WHICH COULD END UP ONLY BEING  
AROUND 1000 FEET, SO DEPENDING ON HOW MUCH SMOKE IS INTRODUCED  
INTO THE ATMOSPHERE, WE COULD HAVE SMOKE LINGER IN THE LOWER  
LEVELS. THIS INVERSION WILL STICK AROUND ALL NIGHT, AND WONT  
REALLY MIX OUT UNTIL ABOUT 11AM TOMORROW MORNING.  
   
REST OF TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........81 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 7 MPH.  
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 12 MPH.  
CWR.................0  
PERCENT.  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........24 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 3 MPH.  
WIND (20 FT)........NORTHWEST WINDS AROUND 9 MPH.  
MIXING HEIGHT.......4200 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 13 MPH.  
CWR.................0 PERCENT.  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........69 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS UP TO 3 MPH.  
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 11 MPH.  
CWR.................0 PERCENT.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........22 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 2 MPH.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......7200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
CWR.................0 PERCENT.  
 
 
FORECASTER...GUERRERO  
REQUESTED BY...KEVIN MANCEBO  
TYPE OF REQUEST...WILDFIRE  
.TAG 2514307.0/MFR  
.DELDT 05/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KEVIN.MANCEBO@FIRE.CA.GOV  
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