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3 products issued by NWS for: Lake Oswego OR
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Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
246 PM PDT Sat Oct 21 2017

ORZ006>008-WAZ039-220630-
/O.CON.KPQR.WI.Y.0008.000000T0000Z-171022T1100Z/
Greater Portland Metro Area-Central Willamette Valley-
South Willamette Valley-Greater Vancouver Area-
Including the cities of Hillsboro, Portland, Wilsonville,
Oregon City, Gresham, Troutdale, Salem, McMinnville, Woodburn,
Stayton, Dallas, Eugene, Springfield, Corvallis, Albany, Lebanon,
Vancouver, Battle Ground, Ridgefield, Washougal, Yacolt,
and Amboy
246 PM PDT Sat Oct 21 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM SUNDAY...

* WINDS...South winds 15 to 30 mph, with gusts 35 to 50 mph.
  Strongest winds will be over the higher exposed terrain, such
  as the Chehalem Mountains, foothills near the Coast Range, and
  the West Hills of Portland.

* TIMING...Strongest winds expected later this afternoon through
  this evening. Winds will gradually ease from north to south
  across the Willamette Valley later tonight and early Sunday
  morning.

* IMPACTS...Gusty winds could result in downed limbs and power
  lines. Isolated power outages are possible.

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.

&&

$$




Flood Advisory

Flood Advisory
National Weather Service Portland OR
209 PM PDT SAT OCT 21 2017

ORC005-007-009-041-047-051-053-057-067-071-WAC011-015-049-069-222100-
/O.NEW.KPQR.FA.Y.0001.171021T2109Z-171022T2100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Polk OR-Yamhill OR-Lincoln OR-Tillamook OR-Columbia OR-Multnomah OR-
Clatsop OR-Clackamas OR-Marion OR-Washington OR-Wahkiakum WA-
Pacific WA-Clark WA-Cowlitz WA-
209 PM PDT SAT OCT 21 2017

The National Weather Service in Portland has issued a

* Urban and Small Stream Flood Advisory for...
  Polk County in northwestern Oregon...
  Yamhill County in northwestern Oregon...
  Northwestern Lincoln County in western Oregon...
  Tillamook County in northwestern Oregon...
  Columbia County in northwestern Oregon...
  Multnomah County in northwestern Oregon...
  Clatsop County in northwestern Oregon...
  Western Clackamas County in northwestern Oregon...
  Western Marion County in northwestern Oregon...
  Washington County in northwestern Oregon...
  Wahkiakum County in southwestern Washington...
  Pacific County in southwestern Washington...
  Clark County in southwestern Washington...
  Western Cowlitz County in southwestern Washington...

* Until 200 PM PDT Sunday.

* At 2 PM PDT, Doppler radar and rain gauges indicated areas of
  heavy rain on the increase. Periods of moderate to heavy rain will
  continue through Saturday night and into Sunday morning, with
  rainfall totals of 1 to 3 inches in populated areas and higher
  amounts in the Coast Range and Cascade foothills. Flooding of some
  small streams and ponding of water in poor drainage areas is
  likely. Drivers should use extra caution and avoid driving through
  flooded areas.

LAT...LON 4679 12337 4639 12336 4639 12304 4617 12260
      4540 12220 4477 12254 4481 12308 4481 12408
      4525 12401 4536 12407 4563 12399 4595 12406
      4602 12399 4625 12411 4666 12411 4669 12406
      4679 12409

$$

Bryant




Flood Watch

Flood Watch
National Weather Service Portland OR
139 PM PDT Sat Oct 21 2017


ORZ001-003-005>007-010-011-WAZ019>022-039-040-045-046-221315-
/O.CON.KPQR.FA.A.0001.000000T0000Z-171023T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Oregon Coast-Coast Range of Northwest Oregon-Lower Columbia-
Greater Portland Metro Area-Central Willamette Valley-
Northern Oregon Cascade Foothills-Northern Oregon Cascades-
South Washington Cascades-Willapa Hills-South Washington Coast-I-
5 Corridor in Cowlitz County-Greater Vancouver Area-
South Washington Cascade Foothills-Western Columbia River Gorge-
Central Columbia River Gorge-
139 PM PDT Sat Oct 21 2017

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT FOR
PORTIONS OF NORTHWEST OREGON AND SOUTHWEST WASHINGTON...

The Flood Watch continues for

* Portions of Northwest Oregon and Southwest Washington,
  including the following areas, in Northwest Oregon, Central
  Willamette Valley, Coast Range of Northwest Oregon, Greater
  Portland Metro Area, Lower Columbia, North Oregon Coast,
  Northern Oregon Cascade Foothills, and Northern Oregon
  Cascades. In Southwest Washington, Central Columbia River
  Gorge, Greater Vancouver Area, I-5 Corridor in Cowlitz County,
  South Washington Cascade Foothills, South Washington Cascades,
  South Washington Coast, Western Columbia River Gorge, and
  Willapa Hills.

* Through late Sunday night

* Heavy rain expected on Saturday and Saturday night, with
  significant rises expected on many streams and rivers. Rivers
  currently forecast to crest above or near flood stage include
  the Wilson and Trask in Tillamook County and the Grays in
  Wahkiakum County.

* Total rainfall Coast Range and Willapa Hills...4 to 8 inches.
  South Washington and north Oregon Cascades... 3 to 7 inches.
  Coastal areas... 3 to 6 inches, heaviest north of Lincoln City.
  Columbia River Gorge... 3 to 7 inches, including Eagle Creek
  burn area. Interior lowlands...1 to 3 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.

&&

$$




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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