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Special Weather Statement

SPECIAL WEATHER STATEMENT
National Weather Service PORTLAND OR
718 PM PST Tue Dec 6 2016

ORZ003-005>007-010-014-016-WAZ020-022-039-040-046-071700-
Coast Range of Northwest Oregon-Lower Columbia-
Greater Portland Metro Area-Central Willamette Valley-
Northern Oregon Cascade Foothills-Upper Hood River Valley-
Central Columbia River Gorge-Willapa Hills-I-
5 Corridor in Cowlitz County-Greater Vancouver Area-
South Washington Cascade Foothills-
Including the cities of...Vernonia...Jewell...Sunset Summit...
Lees Camp...Trask...St. Helens...Clatskanie...Hillsboro...
Portland...Wilsonville...Oregon City...Gresham...Troutdale...
Salem...McMinnville...Woodburn...Stayton...Dallas...Sandy...
Estacada...Silver Falls State Park...Sweet Home...Parkdale...
Odell...Hood River...Willapa...Frances...Elk Mountain...
Ryderwood...Longview...Kelso...Castle Rock...Vancouver...
Battle Ground...Ridgefield...Washougal...Yacolt...Amboy...
Toutle...Ariel...Lake Merwin...Yale Lake...Cougar...Carson...
Underwood
718 PM PST Tue Dec 6 2016

...SOME ROADS LIKELY TO BE ICY TONIGHT AND WEDNESDAY MORNING...

THE COLDEST NIGHT SO FAR THIS SEASON WILL ALLOW TEMPERATURES TO
DROP INTO THE 20S FOR MUCH OF SOUTHWEST WASHINGTON AND NORTHWEST
OREGON TONIGHT. ENOUGH MOISTURE LINGERS NEAR THE GROUND THAT ROADS
AND SIDEWALKS MAY BECOME FROSTY OR ICY OVERNIGHT...RESULTING IN
SOME SLICK SPOTS TONIGHT AND WEDNESDAY MORNING. SECONDARY AND
UNTREATED ROADS WILL BE MOST SUSCEPTIBLE TO BECOMING ICY.

USE CAUTION IF PLANNING ON DRIVING TONIGHT OR WEDNESDAY MORNING.
BLACK ICE CAN BE DIFFICULT TO SPOT AT ANY SPEED...AND CAN CAUSE A
VEHICLE TO LOSE TRACTION WITH LITTLE WARNING.

$$



Wind Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
819 PM PST TUE DEC 6 2016

ORZ006-WAZ039-072000-
/O.NEW.KPQR.WI.Y.0007.161207T2300Z-161209T0000Z/
GREATER PORTLAND METRO AREA-GREATER VANCOUVER AREA-
INCLUDING THE CITIES OF...HILLSBORO...PORTLAND...OREGON CITY...
GRESHAM...VANCOUVER...BATTLE GROUND...WASHOUGAL
819 PM PST TUE DEC 6 2016

...WIND ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 4 PM PST
THURSDAY FOR THE GREATER PORTLAND AND VANCOUVER METRO AREA...

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM WEDNESDAY TO 4 PM PST
THURSDAY.


* EAST METRO AND IN THE WEST HILLS: EAST WINDS 30 TO 40 MPH WITH
  GUSTS TO 55 MPH.

* ELSEWHERE IN THE METRO AREA: EAST WINDS 20 TO 25 MPH WITH GUSTS
  35 TO 45 MPH.

* TIMING: INCREASING WEDNESDAY AFTERNOON AND CONTINUING THROUGH
  THURSDAY. STRONGEST WINDS LIKELY TO BE THURSDAY MORNING.

* WIND CHILL: MAINLY IN THE TEENS AND 20S...THOUGH LOCALLY AS LOW
  AS 5 TO 10 DEGREES EAST METRO AND IN THE WEST HILLS.

* IMPACTS: THE STRONGEST EAST WIND EVENT SO FAR THIS SEASON...
  COMBINED WITH EXPECTED SNOW AND ICE THURSDAY...WILL LIKELY
  CAUSE SOME TREE DAMAGE AND POWER OUTAGES. THE WINDS MAY MAKE
  TRAVEL DIFFICULT AT TIMES...PARTICULARLY ON NORTH-SOUTH BRIDGES
  SUCH AS THE INTERSTATE BRIDGE ALONG INTERSTATE 5 AND THE GLENN
  JACKSON BRIDGE ALONG INTERSTATE 205.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH. WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

WEAGLE/NEUMAN



Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
217 PM PST TUE DEC 6 2016

...SIGNIFICANT WINTER WEATHER EXPECTED OVER MUCH OF SOUTHWEST
WASHINGTON AND NORTHWEST OREGON LATE WEDNESDAY NIGHT AND
THURSDAY...

.AN UNUSUALLY STRONG WINTER STORM WILL BRING MIXED PRECIPITATION
ACROSS MUCH OF SOUTHWEST WASHINGTON AND NORTHWEST OREGON THAT WILL
HAVE SIGNIFICANT IMPACTS OVER THE AREA LATE WEDNESDAY NIGHT AND
THURSDAY. THIS IS THE STRONGEST STORM OF THIS TYPE IN QUITE A
WHILE.

ORZ003-005-006-010-WAZ020-022-039-040-071400-
/O.NEW.KPQR.WS.A.0004.161208T1200Z-161209T0200Z/
COAST RANGE OF NORTHWEST OREGON-LOWER COLUMBIA-
GREATER PORTLAND METRO AREA-NORTHERN OREGON CASCADE FOOTHILLS-
WILLAPA HILLS-I-5 CORRIDOR IN COWLITZ COUNTY-
GREATER VANCOUVER AREA-SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF...VERNONIA...ST. HELENS...HILLSBORO...
PORTLAND...OREGON CITY...GRESHAM...SANDY...ESTACADA...
SWEET HOME...LONGVIEW...KELSO...VANCOUVER...BATTLE GROUND...
WASHOUGAL...TOUTLE...ARIEL...LAKE MERWIN...COUGAR
217 PM PST TUE DEC 6 2016

...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON FOR THE GREATER PORTLAND AND VANCOUVER METRO
AREAS...THE INTERSTATE 5 CORRIDOR AND LOWER COLUMBIA REGION OF
SOUTHWEST WASHINGTON AND EXTREME NORTHWEST OREGON...THE NORTH
OREGON COAST RANGE...THE NORTH OREGON CASCADE FOOTHILLS...AND THE
SOUTH WASHINGTON CASCADE FOOTHILLS...

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON.

* TIMING...SNOW BEGINNING LATE WEDNESDAY NIGHT THROUGH MOST OF
  THURSDAY MORNING...TURNING TO SLEET AND THEN FREEZING RAIN FOR
  THE REMAINDER OF THURSDAY.

* SNOW ACCUMULATIONS...VALLEY AREAS AND COASTAL MOUNTAINS 1 TO 4
  INCHES...CASCADE FOOTHILLS 2 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A QUARTER INCH OF ICE IS POSSIBLE
  THURSDAY MORNING.

* WIND...STRONG EAST WINDS LOCALLY GUSTING TO 45 MPH ALONG THE
  COLUMBIA RIVER WILL LEAD TO VERY COLD WIND CHILLS AND POSSIBLY
  SOME BLOWING SNOW.

* IMPACTS...TRAVEL WILL BE DIFFICULT AS SOME BRIEF SNOW
  ACCUMULATIONS CHANGE TO SLEET AND THEN FREEZING RAIN AND ROADS
  BECOME SNOW AND ICE COVERED AND SLICK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW, SLEET, OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$



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