Sunday, October22, 2017 L-36.com


Marine Weather and Tides
Klickitat, WA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:29AMSunset 6:02PM Sunday October 22, 2017 3:38 PM PDT (22:38 UTC) Moonrise 9:15AMMoonset 7:10PM Illumination 8% Phase: Waxing Crescent; Moon at 3 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Klickitat, WA
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location: 46.09, -121.02     debug


Area Discussion for - Pendleton, OR
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Fxus66 kpdt 222125
afdpdt
area forecast discussion
national weather service pendleton or
225 pm pdt Sun oct 22 2017

Short term Tonight through Wednesday... An upper level trough will
be exiting to the east overnight allowing a ridge of high pressure
to build over the region through the first of the week. There will be
a few lingering showers over the mountains through this evening but
then showers end by midnight. Breezy conditions will also persist
into the evening and then decrease overnight generally becoming
light. Could see some patchy fog develop late tonight through early
Monday in some low lying areas around the columbia basin but this
depends on winds ending and the amount of lingering cloud cover. Fog
will become more likely Monday night and Tuesday night under clear
skies and high pressure induced shallow or surface based inversions
forming. High pressure Monday and Tuesday will bring warmer and dry
conditions back to the forecast area. However, as mentioned, there
will be inversions to deal with which will cause slow or delayed
heating around the columbia basin resulting in a cool air pool in
the basin. This will hold MAX temperatures down a little but above
the inversions temperatures will be warm.

The ridge of high pressure will last through Tuesday but then
suddenly collapses and shifts to the west. This will allow a cold
front to drop into the area on Wednesday in a northwest flow.

Precipitation will be limited with this system and mainly confined
to the washington cascades and over northeast oregon and southeast
washington.

The areal flood warning continues for the yakima river in the elk
meadows subdivision between cle elum and easton in kittitas county
until 7pm. River gages show that the yakima river near easton is
close to cresting at this time. It is expected to begin to recede
this late this afternoon or evening.

Long term Wednesday night through Sunday... Wednesday night a
system and trough will be moving through the area with a slight
chance of showers along the cascade crest and a chance of rain from
the blue mountains eastward. Models have some timing differences so
have kept the showers going through the night. Rain amounts will be
fairly light and snow levels will be around 9000 feet so snow is not
expected to be a problem. Lower elevations will be dry. Winds will
reach 10 to 15 mph during the evening. On Thursday, the front and
trough will move off to the east and an offshore ridge will expand
over the area. The ridge will move overhead on Friday and remain
through the weekend though it will weaken on Sunday. This will give
us fair and dry weather with mostly clear skies and light winds
Thursday through Sunday. High temperatures will be in the mid 50s
through lower 60s each day. Lows will mainly be in the 30s with a
few lower 40s in the lower elevations and a few upper 20s in the
higher mountains valleys. Perry

Aviation 00z tafs... Rain has just about ended aside from a few
showers along the cascade crest and over the eastern oregon
mountains. Skies are scattered to broken but gradually clearing from
west to east. Skies will be mainly scattered above 6000 feet agl
after 04z through tomorrow morning. Skies will be mostly clear after
18z. Winds will remain 10 to 20 kts with gusts to 30 kts early this
evening then drop below 10 kts after 05z and remain there through
00z tomorrow afternoon. Perry

Preliminary point temps pops
Pdt 43 64 38 63 0 0 0 0
alw 44 64 39 64 0 0 0 0
psc 40 64 36 60 0 0 0 0
ykm 36 61 34 62 0 0 0 0
hri 41 64 35 62 0 0 0 0
eln 37 60 33 60 0 0 0 0
rdm 39 66 33 69 10 0 0 0
lgd 38 59 36 66 10 0 0 0
gcd 36 62 35 70 20 0 0 0
dls 41 67 41 65 10 0 0 0

Pdt watches warnings advisories
Or... None.

Wa... None.

91 83 83


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Dalles Municipal Airport, WA33 mi46 minW 810.00 miA Few Clouds65°F48°F54%1024.1 hPa

Wind History from DLS (wind in knots)
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Last 24hrNW6NW5N4CalmCalmCalmCalmCalm3CalmCalmCalmNE5E5CalmW6SW3NE3NW5NW7
G16
NW7NW7NW10W8
1 day agoW20
G27
NW14
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NW7NW9CalmSE5NE5CalmCalmCalmCalmCalmCalmE4E8SE3E5S3Calm3N6NW6NW5
2 days agoNW11NW9NW10NW12
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NW14N8SE4SW4S3NW6CalmW3NW5E3E3NW46NW11NW17NW14
G24
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G32
W15
G22
W14
G19

Tide / Current Tables for Ellsworth, Washington - IGNORE HEIGHTS
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Ellsworth
Click for MapNote: The Columbia River is subject to annual freshets. Short range predictions are available at local river forecast centers. The data for stations above Harrington Point apply only during low river stages. There is a tidal influence along most of the

Sun -- 05:43 AM PDT     -0.35 feet Low Tide
Sun -- 07:36 AM PDT     Sunrise
Sun -- 10:03 AM PDT     7.52 feet High Tide
Sun -- 10:19 AM PDT     Moonrise
Sun -- 05:37 PM PDT     1.99 feet Low Tide
Sun -- 06:11 PM PDT     Sunset
Sun -- 08:17 PM PDT     Moonset
Sun -- 09:33 PM PDT     8.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.24.631.60.5-0.2-0.31.346.47.57.36.55.54.43.42.62.12.13.86.48.28.57.9

Tide / Current Tables for Vancouver, Washington - IGNORE HEIGHTS
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Vancouver
Click for MapNote: The Columbia River is subject to annual freshets. Short range predictions are available at local river forecast centers. The data for stations above Harrington Point apply only during low river stages. There is a tidal influence along most of the

Sun -- 05:18 AM PDT     -0.35 feet Low Tide
Sun -- 07:37 AM PDT     Sunrise
Sun -- 09:37 AM PDT     7.52 feet High Tide
Sun -- 10:19 AM PDT     Moonrise
Sun -- 05:12 PM PDT     1.99 feet Low Tide
Sun -- 06:12 PM PDT     Sunset
Sun -- 08:18 PM PDT     Moonset
Sun -- 09:07 PM PDT     8.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.53.92.41.10.2-0.30.22.45.17.17.576.15.1432.322.64.97.38.58.37.5

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Pendleton, OR (18,4,5,8)
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Ground Weather Radar Station Pendleton, OR
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.