Flash Flood Watch
Issued by NWS Portland, OR

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WGUS66 KPQR 162328
FFAPQR

FLOOD WATCH
NATIONAL WEATHER SERVICE PORTLAND OR
328 PM PST MON JAN 16 2017

...FLOODING POSSIBLE TUESDAY THROUGH THURSDAY FOR PARTS OF
NORTHWEST OREGON AND SOUTHWEST WASHINGTON...

.PERIODS OF HEAVY RAIN COMBINED WITH SNOW MELT TUESDAY AFTERNOON
THROUGH WEDNESDAY NIGHT WILL CAUSE RISES ON SEVERAL
RIVERS...CREEKS AND STREAMS IN NORTHWEST OREGON AND SOUTHWEST
WASHINGTON. THE HEAVIEST RAIN WILL FALL ALONG THE COAST AND COAST
RANGE IN OREGON AND IN THE WILLAPA HILLS AND CASCADE FOOTHILLS IN
SOUTHWEST WASHINGTON...WHERE RAINFALL TOTALS OF 3 TO 6 INCHES ARE
EXPECTED. IN ADDITION TO RIVER FLOODING...SOME URBAN FLOODING IS
POSSIBLE...ESPECIALLY IN AREAS WHERE SNOW AND ICE ARE BLOCKING
STORM DRAINS.

ORZ014>016-WAZ019-045-046-170030-
/O.CAN.KPQR.FA.A.0001.170117T1800Z-170119T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UPPER HOOD RIVER VALLEY-WESTERN COLUMBIA RIVER GORGE-
CENTRAL COLUMBIA RIVER GORGE-SOUTH WASHINGTON CASCADES-
INCLUDING THE CITIES OF...PARKDALE...ODELL...CORBETT...
ROOSTER ROCK...MULTNOMAH FALLS...CASCADE LOCKS...HOOD RIVER...
COLDWATER RIDGE VISITORS CENTER...MOUNT ST. HELENS...
WIND RIVER VALLEY...NORTH BONNEVILLE...STEVENSON...CARSON...
UNDERWOOD
328 PM PST MON JAN 16 2017

...FLOOD WATCH IS CANCELLED FOR THE COLUMBIA RIVER GORGE AND SOUTH
WASHINGTON CASCADES...

THE FLOOD WATCH FOR THE COLUMBIA RIVER GORGE AND SOUTH WASHINGTON
CASCADES HAS BEEN CANCELLED.

$$

ORZ001-003-005-006-WAZ020>022-039-040-171800-
/O.CON.KPQR.FA.A.0001.170117T1800Z-170119T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTH OREGON COAST-COAST RANGE OF NORTHWEST OREGON-LOWER COLUMBIA-
GREATER PORTLAND METRO AREA-WILLAPA HILLS-SOUTH WASHINGTON COAST-
I-5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA-
SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF...ASTORIA...CANNON BEACH...TILLAMOOK...
NETARTS...PACIFIC CITY...VERNONIA...JEWELL...SUNSET SUMMIT...
LEES CAMP...TRASK...ST. HELENS...CLATSKANIE...HILLSBORO...
PORTLAND...WILSONVILLE...OREGON CITY...GRESHAM...TROUTDALE...
WILLAPA...FRANCES...ELK MOUNTAIN...RYDERWOOD...RAYMOND...
LONG BEACH...OCEAN PARK...NASELLE...CATHLAMET...
CAPE DISAPPOINTMENT...LONGVIEW...KELSO...CASTLE ROCK...
VANCOUVER...BATTLE GROUND...RIDGEFIELD...WASHOUGAL...YACOLT...
AMBOY...TOUTLE...ARIEL...LAKE MERWIN...YALE LAKE...COUGAR
328 PM PST MON JAN 16 2017

...FLOOD WATCH REMAINS IN EFFECT FOR THE NORTH OREGON COAST AND COAST
RANGE...PORTLAND/VANCOUVER METRO AREA...AND SOUTHWEST WASHINGTON
FROM THE WILLAPA HILLS TO THE SOUTH WASHINGTON CASCADE FOOTHILLS FROM
TUESDAY MORNING THROUGH LATE WEDNESDAY NIGHT...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHWEST OREGON AND SOUTHWEST WASHINGTON...
  INCLUDING THE FOLLOWING AREAS...IN NORTHWEST OREGON...COAST
  RANGE OF NORTHWEST OREGON...GREATER PORTLAND METRO AREA...
  LOWER COLUMBIA AND NORTH OREGON COAST. IN SOUTHWEST
  WASHINGTON...GREATER VANCOUVER AREA...I-5 CORRIDOR IN COWLITZ
  COUNTY...SOUTH WASHINGTON CASCADE FOOTHILLS...SOUTH WASHINGTON
  COAST AND WILLAPA HILLS.

* FROM TUESDAY MORNING THROUGH LATE WEDNESDAY NIGHT.

* FREEZING LEVELS WILL RISE TO 8000 FEET TONIGHT WHICH WILL ALLOW
  SNOWMELT TO BEGIN IN ELEVATIONS ABOVE LOW LEVEL INVERSIONS WHERE
  COLDER AIR IS TRAPPED. HEAVY RAIN WILL BEGIN TUESDAY AND CAUSE
  RISES ON RIVERS AND CREEKS DRAINING THE COAST RANGE...SOUTH
  WASHINGTON CASCADES...AND WILLAPA HILLS. THE HEAVY RAIN WILL
  LIKELY CAUSE URBAN FLOODING IN THE PORTLAND/VANCOUVER METRO
  AREAS AS THE RAIN WILL HELP MELT THE EXISTING SNOWPACK. BLOCKED
  STORM DRAINS MAY ALSO CONTRIBUTE TO PONDING OF WATER ON STREETS.

* RAINFALL AMOUNTS THROUGH THURSDAY...
  * PORTLAND/VANCOUVER METRO AREA...1 TO 2 INCHES
  * NORTH COAST RANGE/WILLAPA HILLS...3 TO 6 INCHES
  * SOUTH WASHINGTON CASCADES FOOTHILLS...3 TO 6 INCHES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

LANDSLIDES AND DEBRIS FLOWS ARE POSSIBLE DURING THIS FLOOD EVENT.
PEOPLE...STRUCTURES AND ROADS LOCATED BELOW STEEP SLOPES...IN
CANYONS AND NEAR THE MOUTHS OF CANYONS MAY BE AT SERIOUS RISK
FROM RAPIDLY MOVING LANDSLIDES.

&&

$$

ORZ002-004-007-008-010-012-171800-
/O.CON.KPQR.FA.A.0001.170118T0300Z-170119T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CENTRAL OREGON COAST-CENTRAL COAST RANGE OF WESTERN OREGON-
CENTRAL WILLAMETTE VALLEY-SOUTH WILLAMETTE VALLEY-
NORTHERN OREGON CASCADE FOOTHILLS-
CASCADE FOOTHILLS IN LANE COUNTY-
INCLUDING THE CITIES OF...LINCOLN CITY...NEWPORT...
CAPE FOULWEATHER...YACHATS...FLORENCE...GRANDE RONDE...
BURNT WOODS...TIDEWATER...SWISSHOME...VENETA...SALEM...
MCMINNVILLE...WOODBURN...STAYTON...DALLAS...EUGENE...
SPRINGFIELD...CORVALLIS...ALBANY...LEBANON...SANDY...ESTACADA...
SILVER FALLS STATE PARK...SWEET HOME...VIDA...JASPER...LOWELL...
COTTAGE GROVE
328 PM PST MON JAN 16 2017

...FLOOD WATCH REMAINS IN EFFECT FOR THE CENTRAL OREGON COAST AND COAST
RANGE...CENTRAL AND SOUTH WILLAMETTE VALLEY...AND NORTH OREGON
AND LANE COUNTY CASCADE FOOTHILLS FROM TUESDAY EVENING THROUGH
LATE WEDNESDAY NIGHT...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHWEST OREGON...INCLUDING THE FOLLOWING
  AREAS...CASCADE FOOTHILLS IN LANE COUNTY...CENTRAL COAST RANGE
  OF WESTERN OREGON...CENTRAL OREGON COAST...CENTRAL WILLAMETTE
  VALLEY...NORTHERN OREGON CASCADE FOOTHILLS AND SOUTH
  WILLAMETTE VALLEY.

* FROM TUESDAY EVENING THROUGH LATE WEDNESDAY NIGHT.

* FREEZING LEVELS WILL RISE TO 8000 FEET TONIGHT WHICH WILL ALLOW
  SNOWMELT TO BEGIN AT ELEVATIONS ABOVE LOW LEVEL INVERSIONS WHERE
  COLDER AIR IS TRAPPED. IN ADDITION...HEAVY RAIN BEGINNING
  TUESDAY WILL CAUSE RISES ON RIVERS AND CREEKS DRAINING THE
  COAST RANGE...AND NORTH OREGON CASCADE FOOTHILLS.

* RAINFALL AMOUNTS THROUGH THURSDAY...
  * WILLAMETTE VALLEY...1 TO 2 INCHES
  * CENTRAL OREGON COAST AND COAST RANGE...3 TO 6 INCHES
  * NORTH OREGON CASCADE FOOTHILLS...2 TO 4 INCHES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

LANDSLIDES AND DEBRIS FLOWS ARE POSSIBLE DURING THIS FLOOD EVENT.
PEOPLE...STRUCTURES AND ROADS LOCATED BELOW STEEP SLOPES...IN
CANYONS AND NEAR THE MOUTHS OF CANYONS MAY BE AT SERIOUS RISK
FROM RAPIDLY MOVING LANDSLIDES.

&&

$$



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