351  
FNUS76 KMFR 151852  
FWSMFR  
 
SPOT FORECAST FOR NEW INCIDENT HART MOUNTAIN...FWS (LIFC)  
NATIONAL WEATHER SERVICE MEDFORD OR  
1152 AM PDT SUN SEP 15 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 1200 PDT ON SEPTEMBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG,  
GUSTY WINDS AND LOW RELATIVE HUMIDITY...  
   
DISCUSSION
 
STRONG S-SW WINDS WILL GUST 40-50 MPH THIS AFTERNOON  
AND EVENING IN ADVANCE OF A STRONG COLD FRONT. THE STRONGEST WINDS  
WINDS WILL EASE AFTER 2000, BUT COULD REMAIN GUSTY AT TIMES OVERNIGHT.  
RAIN ASSOCIATED WITH THE FRONT WILL ARRIVE MONDAY MORNING. EXPECT  
WETTING RAINFALL WITH THIS FRONT WITH 0.10-0.25 OF AN INCH FOCUSED  
BETWEEN 0600 AND 1200. MONDAY WILL BE MUCH COOLER, 20-30 DEGREES  
COOLER, THAN TODAY. AFTER A BREAK ON TUESDAY WITH DRY, COOL WEATHER,  
A SECOND FRONTAL SYSTEM WILL BRING ANOTHER ROUND OF WETTING RAIN LATE  
TUESDAY NIGHT INTO WEDNESDAY. IT SHOULD DRY OUT WITH TEMPERATURES  
GETTING BACK TO NEAR NORMAL LEVELS LATE IN THE WEEK INTO THE WEEKEND.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........8-12 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST 12-18 MPH WITH GUSTS TO 30 MPH.  
WIND (20 FT)........SOUTHWEST 20-30 MPH WITH GUSTS 40-50 MPH.  
MIXING HEIGHT.......8000 FT AGL.  
MIXING WINDS........SOUTHWEST 35-45 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........NEAR 80 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST 12-18 WITH GUSTS TO 30 MPH IN THE  
EVENING, BECOMING WEST 2-6 MPH WITH GUSTS TO 10  
MPH AFTER MIDNIGHT.  
WIND (20 FT)........SOUTHWEST 15-25 MPH WITH GUSTS 35-45 IN THE  
EVENING, BECOMING WEST 5-10 MPH WITH GUSTS TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......7500 FT AGL DECREASING TO 500 FT AGL EARLY  
IN THE EVENING.  
MIXING WINDS........SOUTHWEST 25-35 MPH, BECOMING WEST AND EASING TO  
AROUND 15 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
   
MONDAY
 
 
SKY/WEATHER.........RAIN IN THE MORNING, THEN RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........50 PERCENT.  
EYE LEVEL WINDS.....WEST 2-6 MPH WITH GUSTS TO 10 MPH.  
WIND (20 FT)........WEST 6-10 MPH WITH GUSTS TO 20 MPH. GUSTY AND  
ERRATIC WINDS POSSIBLE NEAR ANY THUNDERSTORM IN  
THE AFTERNOON.  
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 6300 FT AGL.  
MIXING WINDS........NORTHWEST 10-15 MPH.  
CWR.................46 PERCENT.  
LAL.................2.  
 

 
FORECASTER...SPILDE  
REQUESTED BY...RICHARD GATES  
TYPE OF REQUEST...WILDFIRE  
.TAG 1915498.0/MFR  
.DELDT 09/15/19  
 
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