Area Forecast Discussion
Issued by NWS Pendleton, OR

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000
FXUS66 KPDT 300527 AAA
AFDPDT

AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE PENDLETON OR
1027 PM PDT TUE JUL 29 2014

UPDATED FOR AVIATION DISCUSSION

.UPDATE...MOISTURE CIRCULATING AROUND AN UPPER LEVEL RIDGE HELPED TO
IGNITE SCATTERED THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING. THE
ACTIVITY IS EXPECTED TO DISSIPATE BY 11 PM THIS EVENING. MORE
STORMS ARE EXPECTED ACROSS THE SOUTHERN PORTION OF THE FORECAST
AREA WEDNESDAY AFTERNOON. MAY ISSUE SOME FIRE WEATHER WATCHES LATER
THIS EVENING FOR THURSDAY INTO THE WEEKEND BASED ON THE 00 UTC MODEL
RUNS IF THUNDERSTORM ACTIVITY LOOKS TO BE MORE WIDESPREAD. OTHERWISE
THE CURRENT SHORT TERM FORECAST LOOKS GOOD. 78

&&

.AVIATION...06Z TAFS...VFR CONDITIONS ARE EXPECTED FOR THE NEXT 24
HOURS. SCT-BKN MID AND HIGH LEVEL CLOUDS FROM BLOWOFF OF PREVIOUS
THUNDERSTORMS POSSIBLE TONIGHT AT ALL TAF SITES.  EXPECT THAT
COVERAGE WILL DECREASE AS THE NIGHT MOVES ON. TOMORROW AFTERNOON
EXPECT A REPEAT OF THUNDERSTORMS IN CENTRAL OREGON AFTER 21Z AND
HAVE VCTS IN THE TAFS ONCE AGAIN AT KBDN AND KRDM. SURFACE WINDS
WILL GENERALLY REMAIN BELOW 15 KTS FOR THE NEXT 24 HOURS THOUGH KDLS
MAY HAVE SOME GUSTS TO 20 KTS OVER THE NEXT COUPLE OF HOURS AND GUST
UP TO 30 KTS AFTER 18Z WHEN THE WINDS PICK UP AGAIN. KRDM AND KBDN
MAY HAVE WINDS OF 10-20 KTS WITH HIGHER GUSTS DURING NEARBY
THUNDERSTORM ACTIVITY. WEBER

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  69  99  67  98 /  10  10  10  10
ALW  70  99  71  99 /   0  10  10  10
PSC  69 102  68 101 /   0   0   0  10
YKM  64 100  64 100 /   0   0   0  10
HRI  67 101  67 100 /   0   0   0  10
ELN  59  99  59  98 /   0   0   0  10
RDM  60  94  57  93 /  30  20  20  20
LGD  64  94  62  93 /  20  20  20  20
GCD  67  93  63  91 /  30  30  30  20
DLS  64  97  65  97 /   0  10  10  10

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...NONE.
WA...HEAT ADVISORY UNTIL 9 PM PDT WEDNESDAY WAZ028.

&&

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

$$

78










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