892  
FNUS76 KMFR 200556  
FWSMFR  
 
SPOT FORECAST FOR MCCLOUD FLATS PILE BURN...USFS  
NATIONAL WEATHER SERVICE MEDFORD OR  
956 PM PST THU NOV 19 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON NOVEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A STRONG COLD FRONT WILL MOVE THROUGH THE AREA LATE  
FRIDAY MORNING. STRONG AND GUSTY SOUTH WINDS AND SNOW WILL DEVELOP  
AHEAD OF IT. HEAVY SNOW IS EXPECTED MOST OF THE DAY FRIDAY. A MUCH  
COOLER AIRMASS WILL SPREAD OVER THE REGION FRIDAY NIGHT AND SATURDAY.  
   
FRIDAY  
 
SKY/WEATHER.........SNOW.  
MAX TEMPERATURE.....39-41.  
MIN HUMIDITY........63-67 PERCENT.  
20-FOOT WINDS.......SOUTH 15-20 MPH BECOMING SOUTHWEST 10-15 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......NEAR SURFACE RISING TO 9000 FT AGL IN THE  
AFTERNOON.  
MIXING WINDS........SOUTHWEST 25-30 MPH.  
CWR.................90 PERCENT.  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........WIDESPREAD SNOW SHOWERS IN THE EVENING...THEN  
SCATTERED SNOW SHOWERS.  
MIN TEMPERATURE.....24-26.  
MAX HUMIDITY........100 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 10-15 MPH IN THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......1700-2900 FT AGL DECREASING TO 200-300 FT AGL  
AFTER MIDNIGHT.  
MIXING WINDS........SOUTHWEST 25-30 MPH BECOMING LIGHT.  
CWR.................80 PERCENT.  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW.  
MAX TEMPERATURE.....40-42.  
MIN HUMIDITY........58-62 PERCENT.  
20-FOOT WINDS.......LIGHT BECOMING SOUTH 5-10 MPH.  
MIXING HEIGHT.......NEAR SURFACE RISING TO 5500 FT AGL IN THE  
AFTERNOON.  
MIXING WINDS........LIGHT BECOMING SOUTHWEST 10 MPH.  
CWR.................10 PERCENT.  
 
 
FORECASTER...STOCKTON  
REQUESTED BY...KEN MAIDL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091120.MCCLO.01/MFR  
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