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Oregon, South Willamette Valley

Flood Warning

Statement as of 6:31 PM PST on December 20, 2014

Expires 12:35 PM EST on December 22, 2014


The National Weather Service in Portland has issued a

* Flood Warning for
the santiam river at Jefferson.
* From Sunday morning to Monday evening... or until the warning is
cancelled.
* At 5 PM Saturday the stage was... 7.8 feet / 16300 cfs.
* Flood stage is 15.0 feet and flood flow is 56300 cfs.
* Minor flooding is forecast.
* Forecast... this river is forecast to rise above flood stage around
11 am Sunday and is expected to crest near 17.9 ft around 10 PM
Sunday.
* Impact... above 15.0 ft, expect widespread lowland and agricultural
flooding. Some secondary roads in low lying areas will be flooded
at this level.


Lat... Lon 4474 12310 4476 12309 4474 12303 4470 12298 4468 12300




631 PM PST Sat Dec 20 2014

The National Weather Service in Portland has issued a

* Flood Warning for
the N santiam river at Mehama.
* From Sunday morning to late Sunday night... or until the warning is
cancelled.
* At 5 PM Saturday the stage was... 6.8 feet / 8800 cfs.
* Flood stage is 11.0 feet and flood flow is 31000 cfs.
* Minor flooding is forecast.
* Forecast... this river is forecast to rise above flood stage around
10 am Sunday and is expected to crest near 11.4 ft around 4 PM
Sunday.
* Impact... above 11.0 feet, expect minor flooding of low-lying areas
along the North Santiam.


Lat... Lon 4478 12277 4480 12277 4480 12261 4476 12241 4474 12241




631 PM PST Sat Dec 20 2014

The National Weather Service in Portland has issued a

* Flood Warning for
the Marys River near Philomath.
* From late tonight to late Monday night... or until the warning is
cancelled.
* At 5 PM Saturday the stage was... 16.7 feet / 2900 cfs.
* Flood stage is 20.0 feet and flood flow is 5100 cfs.
* Major flooding is forecast.
* Forecast... this river is forecast to rise above flood stage around
3 am Sunday and is expected to crest near 21.0 ft around 10 PM
Sunday.
* Impact... above 20.8 ft, expect widespread flooding in Philomath,
especially on the south side in the vicinity of chapel drive and
Grange Hall Road, in central Benton County, and portions of
Corvallis.


Lat... Lon 4453 12338 4453 12331 4455 12327 4453 12327 4450 12331




631 PM PST Sat Dec 20 2014

The National Weather Service in Portland has issued a

* Flood Warning for
the Luckiamute river near Suver.
* From late tonight to Tuesday evening... or until the warning is
cancelled.
* At 5 PM Saturday the stage was... 18.4 feet / 3000 cfs.
* Flood stage is 27.0 feet and flood flow is 7500 cfs.
* Minor flooding is forecast.
* Forecast... this river is forecast to rise above flood stage around
3 am Sunday and is expected to crest near 30.8 ft around 4 am Monday.
* Impact... above 29.0 ft, expect widespread flooding of the lowland
agricultural lands upstream from Falls City and Maple Grove to the
confluence with the Willamette river. Also expect flooding and
possible closure of numerous secondary roads near the river.


Lat... Lon 4479 12327 4479 12321 4476 12316 4472 12316 4475 12323




523 PM PST Sat Dec 20 2014

The Flood Warning continues for
the Siuslaw river near Mapleton.
* Until Monday morning or until the warning is cancelled.
* At 5 PM Saturday the stage was... 17.5 feet / 21300 cfs.
* Flood stage is 18.0 feet and flood flow is 22400 cfs.
* Minor flooding is forecast.
* Forecast... this river will rise above flood stage around 6 PM
Saturday and is expected to crest near 21.4 ft around 10 am Sunday.
* Impact... above 20.O feet, expect water over east Mapleton Road.
Flooding of some low-lying homes and structures begins. Flooding
may be exacerbated by high tide.


Lat... Lon 4397 12402 4400 12404 4408 12387 4406 12380 4401 12384




523 PM PST Sat Dec 20 2014

The Flood Warning continues for
the Alsea river near Tidewater.
* From late tonight to Monday morning or until the warning is
cancelled.
* At 5 PM Saturday the stage was... 14.0 feet / 13100 cfs.
* Flood stage is 18.0 feet and flood flow is 19500 cfs.
* Minor flooding is forecast.
* Forecast... this river will rise above flood stage around 3 am
Sunday and is expected to crest near 19.5 ft around 4 PM Sunday.
* Impact... above 18 ft, expect minor flooding of low-lying pasture
land, roads, and a few structures close to the river.


Lat... Lon 4437 12382 4440 12402 4444 12402 4441 12382




Areal Flood Watch

Statement as of 8:21 AM PST on December 20, 2014

Expires 7:00 PM EST on December 22, 2014


... Flood Watch remains in effect from 4 PM PST this afternoon
through Monday afternoon for southwest Washington and northwest
Oregon...

The Flood Watch continues for southwest Washington and northwest
Oregon from 4 PM PST this afternoon through Monday afternoon.


A classic atmospheric river type precipitation event is setting up
over the Pacific northwest today... which will continue to impact
the region into early Monday. A very long fetch of moisture with
origins west to the South China Sea is feeding into this
system... bringing the potential for very large rainfall totals
across the region. A deep and moist westerly flow will develop
today and continue through Sunday. With the flow forecasted to
remain perpendicular to the Coast Range and Cascades for an
extended period of time... expect strong orographic enhancement to
lead to the highest rainfall totals over the mountains. The Coast
Range... foothills and Cascades are expected to see in the range of
6 to 12 inches of rain... with locally higher amounts possible.
Lower but still significant totals are expected for the lower
terrain. Projected rainfall along the coast is forecasted to be
around 4 to 8 inches. The interior lowlands should see 1 to 4
inches... with the highest amounts closer to the Cascade foothills.

Given the latest forecasted rainfall totals... it appears that
there is the strong potential for flooding over the weekend on
numerous rivers and tributaries draining the Coast Range and
Cascades. A few rivers may even reach major flood stage. The
Current River stage forecasts indicate that the faster responding
rivers could reach flood stage as early as tonight. There are also likely
to be impacts from Urban and Small Stream flooding and flooding
along low lying pasture land.

In addition to the flooding concerns... excessive rainfall has the
potential to create landslides... debris flows... and excessive runoff
in the vicinity of recent wildfire burn scars. Burn scars from two
large fires this Summer... the 36 pit fire in the Clackamas river
basin near Estacada and the deception complex near Oakridge... will
be particularly vulnerable.


Precautionary/preparedness actions...

A Flood Watch means there is a potential for flooding based on
current forecasts.

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.

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.

The next update for this watch will be issued by 10 PM Saturday
night.




Public Information Statement

Statement as of 5:12 PM PST on December 20, 2014



... Latest and heaviest 24 hour rainfall reports by region...

Location amount time/date lat/Lon

... South Washington coast...
1 N Klipsan Beach (36 ft) 1.79 in 0438 PM 12/20 46.48n/124.05w
Long Beach 1.70 in 0418 PM 12/20 46.35n/124.05w
1 ENE Long Beach (6 ft) 1.67 in 0436 PM 12/20 46.36n/124.03w

... North Oregon coast...
Tillamook (11 ft) 4.01 in 0412 PM 12/20 45.46n/123.80w
Tillamook Airport (36 ft) 3.41 in 0355 PM 12/20 45.42n/123.82w
Wilson r at Tillamook (10 ft 2.80 in 0400 PM 12/20 45.48n/123.81w
W f Satsop river (300 ft) 2.44 in 0430 PM 12/20 46.18n/123.56w
Pacific City (27 ft) 2.40 in 0438 PM 12/20 45.20n/123.97w
3 SW Sandlake (13 ft) 2.39 in 0428 PM 12/20 45.26n/123.95w
Astoria Airport (9 ft) 2.35 in 0355 PM 12/20 46.16n/123.88w
2 E Oceanside (1420 ft) 2.24 in 0437 PM 12/20 45.47n/123.92w
1 WSW Astoria (240 ft) 1.98 in 0400 PM 12/20 46.18n/123.84w
Knappa (104 ft) 1.71 in 0429 PM 12/20 46.17n/123.58w
1 ESE Pacific City (252 ft) 1.68 in 0438 PM 12/20 45.18n/123.93w
Oceanside (21 ft) 1.64 in 0433 PM 12/20 45.46n/123.97w
Cannon Beach (22 ft) 1.59 in 0430 PM 12/20 45.89n/123.96w

... Central Oregon coast...
1 NW Yachats (32 ft) 3.30 in 0439 PM 12/20 44.32n/124.11w
1 se Florence (45 ft) 3.18 in 0432 PM 12/20 43.98n/124.09w
2 NNE Yachats (81 ft) 2.77 in 0438 PM 12/20 44.34n/124.09w
1 NNE Lincoln Beach (72 ft) 2.70 in 0433 PM 12/20 44.87n/124.04w
dunes (120 ft) 2.65 in 0404 PM 12/20 43.96n/124.12w
1 S Otter Rock (141 ft) 2.32 in 0440 PM 12/20 44.72n/124.06w
Newport Muni ap 2.30 in 0355 PM 12/20 44.58n/124.05w
Newport (127 ft) 2.29 in 0438 PM 12/20 44.64n/124.06w
2 N Lincoln City (88 ft) 2.18 in 0438 PM 12/20 45.01n/124.01w
Waldport (164 ft) 1.80 in 0432 PM 12/20 44.42n/124.07w

... Willapa Hills...
Abernathy mtn (2000 ft) 2.72 in 0401 PM 12/20 46.35n/123.10w
Rock Creek (1445 ft) 2.46 in 0430 PM 12/20 46.53n/123.40w
Huckleberry Ridge (2424 ft) 2.39 in 0411 PM 12/20 46.50n/123.38w
Brooklyn (1036 ft) 1.80 in 0430 PM 12/20 46.73n/123.55w
Frances (231 ft) 1.40 in 0230 PM 12/20 46.54n/123.50w

... Coast Range of northwest Oregon...
Tillamook 8 ENE (71 ft) 5.03 in 0430 PM 12/20 45.48n/123.72w
Lees Camp (654 ft) 5.00 in 0400 PM 12/20 45.59n/123.52w
4 E Hebo (3160 ft) 4.93 in 0439 PM 12/20 45.21n/123.75w
4 ESE Hebo (2220 ft) 4.82 in 0410 PM 12/20 45.21n/123.77w
Rye Mountain (2000 ft) 4.65 in 0414 PM 12/20 45.22n/123.53w
South Fork (2256 ft) 4.11 in 0412 PM 12/20 45.60n/123.48w
Nehalem river nr Foss (40 ft 3.46 in 0400 PM 12/20 45.70n/123.75w
1 WNW Jewell (569 ft) 3.30 in 0400 PM 12/20 45.94n/123.53w
Tidewater (2035 ft) 3.06 in 0414 PM 12/20 46.01n/123.56w
Miller (1030 ft) 1.75 in 0412 PM 12/20 46.02n/123.27w
Nehalem river nr Vernonia 1.23 in 0415 PM 12/20 45.81n/123.28w

... Central Coast Range of western Oregon...
2 NNW Mapleton (41 ft) 3.80 in 0230 PM 12/20 44.06n/123.88w
Cannibal Mountain (1939 ft) 3.53 in 0403 PM 12/20 44.35n/123.89w
Summit (746 ft) 3.10 in 0400 PM 12/20 44.63n/123.58w
grande ronde (395 ft) 2.90 in 0400 PM 12/20 45.05n/123.62w
Village Creek (1565 ft) 2.72 in 0353 PM 12/20 44.25n/123.47w
Wilkinson Ridge (1346 ft) 2.37 in 0357 PM 12/20 44.33n/123.72w
High Point (1935 ft) 1.97 in 0353 PM 12/20 43.91n/123.40w

... Lower Columbia and I - 5 corridor in Cowlitz County...
Castle Rock (212 ft) 1.42 in 0409 PM 12/20 46.27n/122.89w
2 WNW Longview (22 ft) 1.02 in 0440 PM 12/20 46.15n/122.98w
Kelso-longview Airport 0.98 in 0355 PM 12/20 46.12n/122.89w
1 SSW Woodland (35 ft) 0.95 in 0433 PM 12/20 45.90n/122.75w
Saint Helens (79 ft) 0.85 in 0439 PM 12/20 45.85n/122.82w

... Greater Vancouver area...
Larch Mountain (1149 ft) 1.76 in 0409 PM 12/20 45.72n/122.35w
1 ESE Heisson (534 ft) 1.12 in 0424 PM 12/20 45.81n/122.46w
Battle Ground (346 ft) 1.09 in 0438 PM 12/20 45.79n/122.54w
1 NE Lacamas Lake (387 ft) 1.08 in 0440 PM 12/20 45.62n/122.41w
1 se Orchards (254 ft) 1.04 in 0434 PM 12/20 45.65n/122.53w
Lacamas Lake (331 ft) 1.02 in 0426 PM 12/20 45.61n/122.43w
1 NNW Lacamas Lake (246 ft) 1.01 in 0436 PM 12/20 45.62n/122.44w

... Greater Portland Metro area...
scoggins crk blo Henry hagg 2.27 in 0400 PM 12/20 45.47n/123.20w
4 WSW Scappoose (1430 ft) 2.10 in 0345 PM 12/20 45.71n/122.96w
Tualatin r nr Gaston (170 ft 1.93 in 0415 PM 12/20 45.44n/123.17w
1 NW Forest Grove (200 ft) 1.92 in 0430 PM 12/20 45.54n/123.13w
2 WNW Forest Grove (262 ft) 1.64 in 0428 PM 12/20 45.53n/123.14w
Tualatin (241 ft) 1.52 in 0440 PM 12/20 45.37n/122.76w
Scappoose Industrial Airpark 1.45 in 0353 PM 12/20 45.77n/122.86w
4 WNW Farmington (482 ft) 1.41 in 0440 PM 12/20 45.47n/123.02w
Sherwood (176 ft) 1.36 in 0428 PM 12/20 45.35n/122.84w
Cornelius (170 ft) 1.29 in 0347 PM 12/20 45.51n/123.06w
1 NW West Linn (649 ft) 1.28 in 0438 PM 12/20 45.38n/122.66w
Tigard (220 ft) 1.26 in 0440 PM 12/20 45.41n/122.77w
King City (175 ft) 1.20 in 0433 PM 12/20 45.40n/122.80w

... Central Willamette Valley...
6 SW Pike (755 ft) 4.00 in 0430 PM 12/20 45.31n/123.35w
Falls City (419 ft) 3.80 in 0345 PM 12/20 44.88n/123.46w
Rockhouse 1 (1797 ft) 3.14 in 0412 PM 12/20 44.92n/123.47w
4 SSW Dallas (459 ft) 2.83 in 0437 PM 12/20 44.86n/123.34w
1 WSW Dallas (436 ft) 2.40 in 0441 PM 12/20 44.92n/123.33w
1 NW Rickreall (205 ft) 2.11 in 0346 PM 12/20 44.95n/123.25w
3 WSW Scholls (1348 ft) 2.02 in 0428 PM 12/20 45.36n/123.01w
1 ESE Dallas (282 ft) 1.86 in 0440 PM 12/20 44.92n/123.30w
1 W Newberg (177 ft) 1.72 in 0440 PM 12/20 45.30n/122.99w
2 ENE Yamhill (666 ft) 1.64 in 0432 PM 12/20 45.35n/123.14w
MC Minnville Municipal airpo 1.47 in 0353 PM 12/20 45.19n/123.13w
Salem ap (mcnary field) 1.47 in 0358 PM 12/20 44.91n/123.00w
1 S Salem (319 ft) 1.46 in 0435 PM 12/20 44.90n/123.03w
1 NW Dallas (413 ft) 1.34 in 0438 PM 12/20 44.93n/123.33w
Marion (308 ft) 1.32 in 0428 PM 12/20 44.75n/122.93w
1 WSW Salem (295 ft) 1.31 in 0439 PM 12/20 44.92n/123.06w
1 SSE Aumsville (377 ft) 1.30 in 0424 PM 12/20 44.83n/122.86w

... South Willamette Valley...
Corvallis (308 ft) 1.89 in 0345 PM 12/20 44.42n/123.33w
1 S North Albany (207 ft) 1.73 in 0437 PM 12/20 44.65n/123.12w
Monroe (401 ft) 1.61 in 0440 PM 12/20 44.32n/123.31w
2 S Philomath (308 ft) 1.60 in 0433 PM 12/20 44.50n/123.35w
2 NW Lacomb (534 ft) 1.29 in 0440 PM 12/20 44.61n/122.76w
Eugene-Mahlon Sweet Field 1.28 in 0354 PM 12/20 44.13n/123.22w
2 SW Corvallis (238 ft) 1.14 in 0431 PM 12/20 44.55n/123.29w
7 ESE crow (810 ft) 1.12 in 0438 PM 12/20 43.94n/123.22w
Santa Clara (380 ft) 1.11 in 0433 PM 12/20 44.11n/123.15w
Eugene (1200 ft) 1.02 in 0439 PM 12/20 44.05n/123.11w

... South Washington Cascade foothills...
Cougar (540 ft) 3.54 in 0434 PM 12/20 46.06n/122.29w
1 WSW Yale (462 ft) 3.27 in 0431 PM 12/20 46.00n/122.40w
Canyon Creek (2500 ft) 1.73 in 0352 PM 12/20 45.92n/122.30w

... South Washington Cascades...
Cougar 6 E (659 ft) 2.95 in 0220 PM 12/20 46.06n/122.20w
Dry Creek (2700 ft) 2.26 in 0425 PM 12/20 45.94n/121.99w
1 NW Northwoods (1100 ft) 1.62 in 0438 PM 12/20 46.07n/122.02w
Buck Creek (2690 ft) 1.37 in 0425 PM 12/20 46.06n/121.54w
Elk Rock (2500 ft) 1.36 in 0401 PM 12/20 46.31n/122.39w

... Northern Oregon Cascade foothills...
Yellowstone mtn (3080 ft) 3.16 in 0417 PM 12/20 44.59n/122.43w
Horse Creek (3402 ft) 2.08 in 0427 PM 12/20 44.95n/122.40w
pebble (3450 ft) 2.01 in 0353 PM 12/20 44.23n/122.99w
6 ENE Silver Falls (2315 ft) 1.80 in 0400 PM 12/20 44.95n/122.52w
2 NE Cherryville (1250 ft) 1.72 in 0431 PM 12/20 45.39n/122.11w
4 SSW Estacada (1079 ft) 1.00 in 0431 PM 12/20 45.23n/122.35w

... Northern Oregon Cascades...
log creek (2800 ft) 2.86 in 0406 PM 12/20 45.50n/121.90w
Jump Off Joe (3500 ft) 2.60 in 0300 PM 12/20 44.39n/122.17w
South Fork Bull Run (2630 ft 2.10 in 0300 PM 12/20 45.45n/122.03w
Boulder Creek (3570 ft) 2.05 in 0358 PM 12/20 44.72n/122.00w
Santiam Junction (3750 ft) 2.00 in 0300 PM 12/20 44.44n/121.95w
Wanderers Peak (4350 ft) 1.54 in 0407 PM 12/20 45.11n/122.20w
Red Box (3250 ft) 1.48 in 0407 PM 12/20 45.03n/121.92w
Three Lynx (1120 ft) 1.40 in 0415 PM 12/20 45.13n/122.07w

... Cascade foothills in Lane County...
Trout Creek (2319 ft) 1.87 in 0414 PM 12/20 44.11n/122.58w
Brush Creek (2130 ft) 1.48 in 0414 PM 12/20 44.28n/122.85w
2 W Walterville (595 ft) 1.13 in 0436 PM 12/20 44.07n/122.85w
2 W Walterville (574 ft) 1.03 in 0433 PM 12/20 44.07n/122.83w
2 WNW Disston (3064 ft) 0.96 in 0413 PM 12/20 43.73n/122.81w

... Cascades in Lane County...
Emigrant (3840 ft) 1.20 in 0353 PM 12/20 43.48n/122.23w
fields (3373 ft) 0.90 in 0417 PM 12/20 43.68n/122.30w

... Western Columbia River gorge...
locks (127 ft) 2.33 in 0408 PM 12/20 45.67n/121.88w
Prindle (239 ft) 1.40 in 0400 PM 12/20 45.59n/122.16w
2 SSE Rooster Rock state par 1.27 in 0431 PM 12/20 45.52n/122.22w
1 E Corbett (839 ft) 1.08 in 0438 PM 12/20 45.53n/122.27w

... Central Columbia River gorge...
Hood River (698 ft) 1.27 in 0437 PM 12/20 45.70n/121.54w
Hood River-Tucker bridge 1.20 in 0430 PM 12/20 45.65n/121.55w
3 WSW Hood River (698 ft) 1.03 in 0435 PM 12/20 45.69n/121.57w
1 WSW Hood River (465 ft) 0.93 in 0440 PM 12/20 45.70n/121.54w
1 ENE Underwood (406 ft) 0.93 in 0436 PM 12/20 45.73n/121.53w

... Upper Hood River Valley...
3 E Dee (1542 ft) 1.18 in 0434 PM 12/20 45.57n/121.55w
middle mtn (2544 ft) 1.15 in 0414 PM 12/20 45.58n/121.60w



Observations are collected from a variety of sources with varying
equipment and exposure. Not all data listed are considered official.


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Washington - Flood Warning , Coastal Flood Advisory, Areal Flood Watch , Areal Flood Watch , Areal Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory , Record Report , Public Information Statement
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