Area Forecast Discussion
Issued by NWS Pendleton, OR

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000
FXUS66 KPDT 302145
AFDPDT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
245 PM PDT SUN AUG 30 2015

.SHORT TERM...TONIGHT THROUGH WEDNESDAY...THE DISTURBANCE THAT HAS
BROUGHT VARYING AMOUNTS OF SHOWERS TO THE REGION TODAY WILL EXIT THE
AREA EARLY EVENING. THUS WILL SEE AN END TO THE SHOWERS OVER MUCH OF
THE AREA BY SUNSET, THOUGH A FEW SHOWERS SHOULD LINGER NEAR THE
CASCADE CREST AND OVER EASTERN WALLOWA COUNTY THROUGH THE EVENING.
BREEZY WINDS WILL KICK UP SOME LOCAL BLOWING DUST IN THE LOWER BASIN
OF WASHINGTON THROUGH THE REMAINDER OF THIS AFTERNOON. A BROAD UPPER
LEVEL TROUGH WILL REMAIN OVER WESTERN CANADA AND THE PACIFIC
NORTHWEST THROUGH TUESDAY. THIS TROUGH WILL KEEP A PERSISTENT
ONSHORE FLOW OVER THE REGION THROUGH TUESDAY. THIS FLOW WILL ALLOW
ISOLATED TO SCATTERED SHOWERS TO SLOP OVER FROM WESTERN WASHINGTON
INTO THE WASHINGTON CASCADE EAST SLOPES. OTHERWISE CONDITIONS WILL
BE DRY THROUGH TUESDAY. ANOTHER SYSTEM WILL SWING THROUGH THE TROUGH
AND BRING CHANCES OF SHOWERS TO A LARGER PORTION OF THE AREA OF
WEDNESDAY. HIGH TEMPS WILL BE SLIGHTLY BELOW SEASONAL MONDAY AND
TUESDAY, BUT WILL FALL 8 TO 10 DEGREES ON WEDNESDAY. OVERNIGHT LOWS
WILL RUN NEAR SEASONAL VALUES. 90

.LONG TERM...WEDNESDAY NIGHT THROUGH SATURDAY...MODELS IN GOOD
AGREEMENT IN KEEPING AN UNSETTLED PATTERN OVER THE PACIFIC
NORTHWEST. AT THIS TIME...IT APPEARS THE BEST CHANCE OF
PRECIPITATION WILL BE WEDNESDAY NIGHT AND FRIDAY AFTERNOON.
NORTHWEST FLOW DEVELOPS BEHIND THE SYSTEM ON FRIDAY AND RESULTS IN A
DRYING TREND FOR MUCH OF THE AREA FRIDAY NIGHT AND SATURDAY.
TEMPERATURES WILL REMAIN NEAR TO SLIGHTLY BELOW NORMAL THROUGH THE
PERIOD. EARLE

&&

.AVIATION...00Z TAFS...VFR CONDITIONS WILL CONTINUE AT ALL TAF SITES
FOR THE NEXT 24 HOURS. A SYSTEM WILL EXIT THE REGION WITH DECREASING
CLOUDS IN ITS WAKE. WINDS 10-20 KTS WITH HIGHER GUSTS WILL DECREASE
TO 10 KTS OR BELOW OVERNIGHT. THE WIND WILL INCREASE AGAIN DURING
THE AFTERNOON TO GENERALLY LESS THAN 15 KTS. EARLE

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  49  79  51  80 /   0  10   0  10
ALW  56  80  57  81 /   0  10   0  10
PSC  55  82  55  82 /   0  10   0  10
YKM  53  76  48  76 /  10  10  10  10
HRI  52  82  52  83 /   0  10   0  10
ELN  53  74  52  74 /  10  20  20  20
RDM  39  78  41  79 /  10  10   0   0
LGD  47  78  47  80 /  10  10   0   0
GCD  46  80  47  81 /  10  10   0   0
DLS  57  79  59  78 /  10  10  10  10

&&

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

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON

$$

90/81/81


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