Wind Advisory 20, NWS Pendleton, OR

576 
WWUS76 KPDT 012146
NPWPDT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
246 PM PDT SUN APR 1 2012


ORZ044-507-508-WAZ026-028-029-012300-
/O.CAN.KPDT.WI.Y.0020.000000T0000Z-120402T0300Z/
LOWER COLUMBIA BASIN OF OREGON-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
KITTITAS VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...
PENDLETON...PILOT ROCK...HEPPNER...CONDON...FOSSIL...ELLENSBURG...
THORP...CONNELL...PROSSER...TRI-CITIES...DAYTON...WAITSBURG...
WALLA WALLA
246 PM PDT SUN APR 1 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE WIND
ADVISORY. 



$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
300 AM PDT SUN APR 1 2012

.SHORT TERM...TODAY THROUGH MONDAY NIGHT. AN ACTIVE WEATHER PATTERN
IS LIKELY FOR THE NEXT 24 HOURS AS A DISTURBANCE TRACKS ACROSS THE
REGION TODAY. THIS SHOULD BRING SHOWERS TO THE AREA. PRESSURE
GRADIENTS WILL TIGHTEN TO PRODUCE BREEZY TO WINDY CONDITIONS
ESPECIALLY ACROSS THE COLUMBIA BASIN AND A WIND ADVISORY IS IN
EFFECT INTO THIS EVENING. ANOTHER STRONGER STORM SYSTEM STRIKES THE
OR/WA CASCADES THIS EVENING AND MOVES EAST INTO THE REMAINDER OF THE
REGION OVERNIGHT. RAIN IS EXPECTED HOWEVER SOME HIGHER ELEVATION
SNOW IS POSSIBLE EVEN MORE SO ALONG THE EAST SLOPES OF THE WA
CASCADES. THE SYSTEM DRIFTS AWAY FROM THE TWO STATE AREA MONDAY WITH
DRIER AIR EXPECTED EXCEPT FOR SOME LINGERING SHOWERS OVER THE FAR
EASTERN PORTIONS OF THE AREA. WITH DRY CONDITIONS EXPECTED MONDAY
NIGHT ANOTHER DISTURBANCE MY BRUSH THE FAR NW PORTIONS OF THE REGION
AND BRING SOME SHOWERS TO THE EAST SLOPES OF THE WA CASCADES.
TEMPERATURES SHOULD BE AT OR SLIGHTLY ABOVE NORMAL THROUGH THE
PERIOD.

.LONG TERM...TUESDAY THROUGH SATURDAY...ON TUESDAY A COLD FRONT
REACHES THE CRESTS OF THE CASCADES WITH RAIN AHEAD OF THE FRONT
EASING EASTWARD TO THE EAST SLOPES OF THE CASCADES AS WELL AS THE
KITTITAS AND YAKIMA VALLEYS. OTHERWISE, TUESDAY LOOKS TO BE DRY FOR
MOST OF THE FORECAST AREA. THEN TUESDAY NIGHT THE COLD FRONT MOVES
INTO THE FORECAST AREA FOR VALLEY RAIN AND MOUNTAIN SNOW LIKELY.
SNOW LEVELS LOWER SHARPLY TUESDAY NIGHT DESCENDING TO 2000 FEET
ALONG THE EAST SLOPES OF THE CASCADES AND DOWN TO AROUND 3500-4500
FEET IN THE FAR EASTERN MOUNTAINS. ON WEDNESDAY THE TROUGH MOVES
OVER THE INTERIOR PACIFIC NORTHWEST WITH DISTURBANCES RIPPLING
AROUND THE BASE OF THE TROUGH AND ACROSS THE REGION FOR UNSETTLED
CONDITIONS AND SNOW LIKELY IN THE BLUE MOUNTAINS ABOVE 3000 FEET.
THE LONG WAVE TROUGH REMAINS OVER THE REGION WEDNESDAY NIGHT THROUGH
FRIDAY FOR A CHANCE OF VALLEY RAIN SHOWERS AND MOUNTAIN SNOW SHOWERS
EACH DAY. FRIDAY NIGHT AND SATURDAY THE TROUGH FINALLY LEAVES THE
REGION AS A FLAT UPPER LEVEL RIDGE BUILDS EASTWARD.  POLAN

&&

.PREVIOUS AVIATION DISCUSSION...06Z TAFS...CONDITIONS WILL IMPROVE
OVERNIGHT AS THE COLD FRONT CONTINUES TO ADVANCE EASTWARD AND OUT OF
THE AREA. THERE MAY BE A FEW SHOWERS STILL...ESPECIALLY AT
KRDM...KBDN AND KDLS AS SHOWERS SPILL OVER THE CREST OF THE
CASCADES. VFR CONDITIONS ARE EXPECTED TO PREVAIL...BUT THERE COULD
BE BRIEF PERIODS OF MVFR WITH ANY SHOWERS THAT MAY OCCUR OVERNIGHT
AND ON SUNDAY. WINDS WILL GENERALLY RANGE FROM 10 TO 20 KTS AT
KRDM...KBDN AND 5 TO 10 KTS ELSEWHERE TONIGHT. AS AN UPPER TROUGH
MOVES ACROSS THE REGION ON SUNDAY THE ATMOSPHERE WILL BECOME LESS
STABLE AND WINDS WILL INCREASE TO GENERALLY 15 TO 25 KTS FROM THE
WEST TO SOUTHWEST BY LATE SUNDAY MORNING AS A RESULT. THEY WILL
CONTINUE THROUGH THE AFTERNOON BEFORE DECREASING SUNDAY EVENING. 88

&&

.PRELIMINARY POINT TEMPS/POPS...
PDT  50  36  61  42 /  20  20   0  10
ALW  50  38  61  42 /  30  20   0  10
PSC  55  39  60  43 /  20  10   0  10
YKM  49  32  54  37 /  20  20   0  10
HRI  54  37  61  43 /  20  10   0  10
ELN  46  32  53  35 /  20  30  10  10
RDM  45  27  58  34 /  20  30   0   0
LGD  41  29  54  35 /  40  30  10  10
GCD  41  29  56  34 /  20  20  10   0
DLS  51  35  61  40 /  30  40   0  10

&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...WIND ADVISORY UNTIL 8 PM PDT THIS EVENING ORZ044-507-508.

WA...WIND ADVISORY UNTIL 8 PM PDT THIS EVENING WAZ026-028-029.

&&

THREAT INDEX
TODAY : GREEN
MONDAY : GREEN
TUESDAY : GREEN

GREEN: NONE OR LIMITED NEED FOR WATCHES, WARNINGS, OR ADVISORIES.
YELLOW: A FEW WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
RED: NUMEROUS WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.

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

97/99/99

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
1204 PM PDT SAT MAR 31 2012

UPDATED TO REMOVE CANCELLED HEADLINES

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
011415-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO-
JOHN DAY HIGHLANDS-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
1204 PM PDT SAT MAR 31 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

FLOODING
     SIMCOE HIGHLANDS

SHOWERS AND WARM TEMPERATURES WILL CONTINUE TODAY PRODUCING
CONTINUED SNOW SNOW MELT AND RUNOFF INTO THE KLICKITAT RIVER.
COOLER AIR ARRIVES OVERNIGHT WHICH WILL AID IN SLOWING THE SNOW
MELT. ADDITIONAL INFORMATION CAN BE FOUND UNDER THE HEADER PDXFLSPDT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

THERE WILL BE BREAK IN THE WET WEATHER FIRST OF THE WEEK BUT THEN
ANOTHER WEATHER SYSTEM MOVES INTO THE REGION LATE TUESDAY AND
REMAINS OVER THE AREA THROUGH THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:

WWW.WRH.NOAA.GOV/PDT/CURRENTHAZARDS/HWO.HTML

ALL LETTERS IN THE ABOVE URL ARE LOWER CASE.