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Area Forecast Discussion (AFD)

Issued by Pendleton, OR (PDT)

                            
000
FXUS66 KPDT 170529 AAA
AFDPDT

Area Forecast Discussion
National Weather Service Pendleton OR
1028 PM PDT Fri Aug 16 2019

Updated Aviation Discussion.

.SHORT TERM...Weak short wave moving across the region this
evening with mid and high level clouds over the Washington
Columbia basin into the Cascades. This area will be partly cloudy
overnight. Further south clear skies. Overnight lows mostly in the
upper 40s and 50s. No significant change to the overall pattern
Saturday and Sunday. The upper flow becomes more westerly. Expect
sunny skies with highs in the 80s. Locally breezy west winds in
the afternoon. 94

AVIATION...06Z TAFS...VFR conditions expected to continue over the 
next 24 hours. Waves of few to scattered cloud decks will move 
through the area, but ceilings should remain 20-25 kft AGL. Winds 
across the area will decrease through the overnight except for KDLS 
where gusts 20-25 kts can be expected. The stronger gusts will 
continue through the day Saturday for KDLS with gusts 15-20 kts 
possible for KRDM, KBDN, and KPDT. Richards

&&

.PREV DISCUSSION... /issued 130 PM PDT Fri Aug 16 2019/ 

SHORT TERM...Tonight through Monday. High pressure will continue to
dominate the areas weather through the weekend with dry
conditions. The gorge may experience some breezy conditions but
otherwise temperatures will remain near normal as afternoon high
temps climb into the 80s to 90 degrees with 70s in the mountains.
Other than some mid and high level clouds the dry conditions will
persist into the beginning of next week.

LONG TERM...Monday night Through Friday...SW to west flow aloft 
will be over the area through the extended period. With no 
significant shortwave troughs embedded in the flow...conditions will 
be dry with just a few clouds from time to time especially near the 
Cascades. Temperatures will be above normal through the period 
especially for daytime high temperatures. Low temperatures will be 
closer to normal with good radiational cooling expected at night. 
There will be occasional breezy periods with marine pushes mainly 
Wednesday evening and Friday afternoon and evening...with the 
strongest wind in the Kittitas Valley and Columbia Gorge. 78

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  55  82  54  86 /   0   0   0   0 
ALW  59  85  59  89 /   0   0   0   0 
PSC  60  87  59  90 /   0   0   0   0 
YKM  56  86  54  88 /   0   0   0   0 
HRI  58  86  57  90 /   0   0   0   0 
ELN  57  81  55  85 /   0   0   0   0 
RDM  47  83  47  87 /   0   0   0   0 
LGD  51  80  52  87 /   0   0   0   0 
GCD  49  83  51  89 /   0   0   0   0 
DLS  59  82  58  86 /   0   0   0   0 

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...None.
WA...None.
&&

$$

75/94