510  
FXUS66 KPDT 062320  
AFDPDT  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PENDLETON OR  
420 PM PDT MON APR 6 2020  
 
UPDATED AVIATION DISCUSSION  
 
AVIATION...00Z TAFS... VFR CONDITIONS EXPECTED THROUGH THE PERIOD.  
DECK OF SCT-BKN AROUND 05KFT AGL WILL CLEAR UP THIS EVENING AT  
ALW/PDT/RDM/BDN/YKM, WITH PERIODIC DECKS OF FEW-BKN ABOVE 15KFT  
AGL. BREEZY CONDITIONS WILL CONTINUE AT DLS THROUGH THE PERIOD,  
WITH NORTHWESTERLY WINDS 10-15KTS. WINDS AT ALL OTHER SITES WILL  
BE 5-10KTS THROUGH THE PERIOD. LAWHORN/82  
   
PREV DISCUSSION
 
/ISSUED 101 PM PDT MON APR 6 2020/  
 
SHORT TERM...TONIGHT THROUGH WEDNESDAY NIGHT...LATEST RADAR AND  
VISIBLE SATELLITE IMAGERY SHOWS A FEW SHOWERS DEVELOPING OVER THE  
EASTERN MOUNTAINS. THIS ACTIVITY WILL CONTINUE FOR A FEW HOURS  
BEFORE DIMINISHING BY ABOUT 00Z. OTHERWISE EXPECT DECREASING  
CLOUDINESS TONIGHT EXCEPT FOR SOME HIGH CIRRUS CLOUDS. LOWS WILL  
BE IN THE 30S WITH 20S IN THE MOUNTAINS. IT WILL BE A BIT BREEZY  
THIS EVENING IN THE CASCADE GAPS. TUESDAY AND WEDNESDAY WILL  
FEATURE PARTLY TO MOSTLY SUNNY SKIES AND WARM TEMPERATURES. HIGHS  
WILL BE WELL INTO THE 60S LOWER ELEVATION'S WITH 50S IN THE  
MOUNTAINS. IT WILL BE A BIT BREEZY AGAIN TUESDAY AFTERNOON AND  
EVENING IN THE CASCADE GAPS BUT ON WEDNESDAY THE WINDS WILL BE  
LIGHT. WEDNESDAY AND THURSDAY MORNING LOWS WILL BE IN THE 20S WITH  
30S IN THE MOUNTAINS. SO TO SUM THINGS UP...NO SIGNIFICANT  
WEATHER CONCERNS FOR THE NEXT FEW DAYS. 78  
 
LONG TERM...THURSDAY THROUGH MONDAY...A RIDGE OF HIGH PRESSURE  
WILL BE OVER THE REGION THURSDAY AND FRIDAY FOR WARM AND DRY  
CONDITIONS. TEMPERATURES COULD REACH THE MIDDLE 70S ON FRIDAY OVER  
THE COLUMBIA BASIN. THE RIDGE GETS SUPPRESSED OFFSHORE ON  
SATURDAY AND A STORM SYSTEM BEGINS TO AFFECT THE AREA IN  
NORTHWEST FLOW ALOFT. THIS SYSTEM DOES NOT LOOK TO BE PARTICULARLY  
STRONG PRODUCING MAINLY A FEW MOUNTAIN SHOWERS AND PERHAPS AN  
ISOLATED THUNDERSTORM OVER WALLOWA COUNTY. ISOLATED MOUNTAIN  
SHOWERS/SNOW SHOWERS MAY CONTINUE SUNDAY INTO MONDAY WITH COOLER  
TEMPERATURES AND SNOW LEVELS 3000-5000 FEET. 78  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
PDT 38 64 34 64 / 0 0 0 0  
ALW 42 66 38 66 / 0 0 0 0  
PSC 39 69 37 69 / 0 0 0 0  
YKM 35 67 34 67 / 0 0 0 0  
HRI 38 68 35 68 / 0 0 0 0  
ELN 35 59 31 64 / 0 0 0 0  
RDM 29 63 28 64 / 0 0 0 0  
LGD 34 60 32 62 / 0 0 0 0  
GCD 34 63 34 67 / 0 0 0 0  
DLS 38 64 37 70 / 0 0 0 0  
 

 
   
PDT WATCHES/WARNINGS/ADVISORIES
 
 
OR...NONE.  
WA...NONE.  

 
 

 
 
82/78/78  
 
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