AREA FORECAST DISCUSSION

 
 FXUS66 KMFR 250427
 AFDMFR
 
 AREA FORECAST DISCUSSION
 NATIONAL WEATHER SERVICE MEDFORD OR
 827 PM PST TUE NOV 24 2009
 
 .DISCUSSION...HIGH PRESSURE WILL CONTINUE ACROSS THE FORECAST AREA
 TONIGHT THROUGH WEDNESDAY...BUT WILL BEGIN TO WEAKEN THURSDAY AS
 THE NEXT COLD FRONT MOVES INTO THE COASTAL WATERS. LATEST MODEL
 RUN IS SLOWING THE EASTWARD MOVEMENT OF THIS FRONT BUT ALSO SHOWS
 THE PARENT LOW TO BE DEEPER. AS A RESULT PRECIPITATION MAY NOT
 REACH THE ROGUE VALLEY AND EASTERN SISKIYOU COUNTY UNTIL LATE
 THURSDAY EVENING...BEFORE SPREADING EAST OF THE CASCADES
 OVERNIGHT. THE NEXT FORECAST MAY NEED TO BE ADJUSTED ON TIMING.
 NEAR TERM FORECAST IS ON TRACK WITH LATE NIGHT VALLEY FOG CAUSING
 AVIATION CONCERNS.
 
 &&
 
 .AVIATION...IFR CONDITIONS ARE EXPECTED BETWEEN 12-18Z WEDNESDAY
 FOR THE UMPQUA BASIN AND INTO THE ILLINOIS VALLEY AS WELL AS THE
 KLAMATH BASIN. MVFR CONDITIONS ARE EXPECTED ELSEWHERE FROM 09-16Z. 
 
 
 &&
 
 .MFR WATCHES/WARNINGS/ADVISORIES...
 OR...NONE.
 
 CA...NONE.
 
 PACIFIC COASTAL WATERS...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS 
      UNTIL 10 PM PST THIS EVENING FOR PZZ350-PZZ356-PZZ370-
      PZZ376.
 
 

 
 08/99/99